Merge branch 'renesas-soc' into renesas-board

* renesas-soc: (31 commits)
  ARM: shmobile: Fix build problem in pm-sh7372.c for unusual .config
  ARM: shmobile: Take cpuidle dependencies into account correctly
  ARM: mach-shmobile: sh7377 generic board support via DT
  ARM: mach-shmobile: r8a7740 generic board support via DT
  ARM: shmobile: sh7372: completely switch over to using pm-rmobile API
  ARM: shmobile: ap4evb: switch to using pm-rmobile API
  ARM: shmobile: mackerel: switch to using pm-rmobile API
  ARM: shmobile: sh7372: add pm-rmobile domain support
  ARM: shmobile: r8a7740: add A4LC pm domain support
  ARM: shmobile: r8a7740: add A3SP pm domain support
  ARM: shmobile: r8a7740: add A4S pm domain support
  ARM: shmobile: r8a7740: fixup: MSEL1CR 7bit control
  ARM: shmobile: soc-core: add R-mobile PM domain common APIs
  ARM: shmobile: sh7372 A3SM CPUIdle support
  ARM: shmobile: Use INTCA with sh7372 A3SM power domain
  ARM: mach-shmobile: Convert sh_clk_mstp32_register to sh_clk_mstp_register
  ARM: shmobile: use common DMAEngine definitions on sh7372
  ARM: shmobile: use common DMAEngine definitions on sh73a0
  ARM: shmobile: sh73a0: add DMAEngine support for MPDMAC
  ARM: shmobile: sh73a0: add USB clock support
  ...

30 files changed, 1199 insertions, 434 deletions

diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
new file mode 100644
index 00000000000..798fa35c000
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -0,0 +1,21 @@
+/*
+ * Device Tree Source for the r8a7740 SoC
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "renesas,r8a7740";
+
+	cpus {
+		cpu@0 {
+			compatible = "arm,cortex-a9";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/sh7377.dtsi b/arch/arm/boot/dts/sh7377.dtsi
new file mode 100644
index 00000000000..767ee0796da
--- /dev/null
+++ b/arch/arm/boot/dts/sh7377.dtsi
@@ -0,0 +1,21 @@
+/*
+ * Device Tree Source for the sh7377 SoC
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	compatible = "renesas,sh7377";
+
+	cpus {
+		cpu@0 {
+			compatible = "arm,cortex-a8";
+		};
+	};
+};
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 4c3b031be6f..379cefd0ed8 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -19,6 +19,7 @@ config ARCH_SH7372
 	select CPU_V7
 	select SH_CLK_CPG
 	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select ARM_CPU_SUSPEND if PM || CPU_IDLE
 
 config ARCH_SH73A0
 	bool "SH-Mobile AG5 (R8A73A00)"
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 8aa1962c22a..0df5ae6740c 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -39,7 +39,9 @@ obj-$(CONFIG_ARCH_R8A7740)	+= entry-intc.o
 # PM objects
 obj-$(CONFIG_SUSPEND)		+= suspend.o
 obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
+obj-$(CONFIG_ARCH_SHMOBILE)	+= pm-rmobile.o
 obj-$(CONFIG_ARCH_SH7372)	+= pm-sh7372.o sleep-sh7372.o
+obj-$(CONFIG_ARCH_R8A7740)	+= pm-r8a7740.o
 obj-$(CONFIG_ARCH_R8A7779)	+= pm-r8a7779.o
 
 # Board objects
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index ace60246a5d..7cac1df3085 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -1447,14 +1447,14 @@ static void __init ap4evb_init(void)
 
 	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
 
-	sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
-	sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
-	sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
-
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device);
+
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device);
 
 	hdmi_init_pm_clock();
 	fsi_init_pm_clock();
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 2cce28b2e40..a513ebee98d 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -989,6 +989,7 @@ DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
 	.init_irq	= r8a7740_init_irq,
 	.handle_irq	= shmobile_handle_irq_intc,
 	.init_machine	= eva_init,
+	.init_late	= shmobile_init_late,
 	.timer		= &shmobile_timer,
 	.dt_compat	= eva_boards_compat_dt,
 MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-kzm9d.c b/arch/arm/mach-shmobile/board-kzm9d.c
index 7bc5e7d39f9..6a33cf39342 100644
--- a/arch/arm/mach-shmobile/board-kzm9d.c
+++ b/arch/arm/mach-shmobile/board-kzm9d.c
@@ -80,6 +80,7 @@ DT_MACHINE_START(KZM9D_DT, "kzm9d")
 	.init_irq	= emev2_init_irq,
 	.handle_irq	= gic_handle_irq,
 	.init_machine	= kzm9d_add_standard_devices,
+	.init_late	= shmobile_init_late,
 	.timer		= &shmobile_timer,
 	.dt_compat	= kzm9d_boards_compat_dt,
 MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index a5cb11358e0..c06d04b11b0 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -537,6 +537,7 @@ DT_MACHINE_START(KZM9G_DT, "kzm9g")
 	.init_irq	= sh73a0_init_irq,
 	.handle_irq	= gic_handle_irq,
 	.init_machine	= kzm_init,
+	.init_late	= shmobile_init_late,
 	.timer		= &shmobile_timer,
 	.dt_compat	= kzm9g_boards_compat_dt,
 MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 150122a4463..9640f34122b 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -1614,20 +1614,20 @@ static void __init mackerel_init(void)
 
 	platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
 
-	sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
-	sh7372_add_device_to_domain(&sh7372_a4lc, &hdmi_lcdc_device);
-	sh7372_add_device_to_domain(&sh7372_a4lc, &meram_device);
-	sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs0_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs1_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &nand_flash_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4lc, &hdmi_lcdc_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4lc, &meram_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &nand_flash_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device);
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device);
 #endif
-	sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi2_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi2_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device);
 
 	hdmi_init_pm_clock();
 	sh7372_pm_init();
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c
index 7b9e4ab34fa..ad5fccc7b5e 100644
--- a/arch/arm/mach-shmobile/clock-r8a7740.c
+++ b/arch/arm/mach-shmobile/clock-r8a7740.c
@@ -463,6 +463,7 @@ enum {
 
 	MSTP230,
 	MSTP222,
+	MSTP218, MSTP217, MSTP216, MSTP214,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
 
 	MSTP329, MSTP328, MSTP323, MSTP320,
@@ -485,6 +486,10 @@ static struct clk mstp_clks[MSTP_NR] = {
 
 	[MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB],	SMSTPCR2, 30, 0), /* SCIFA6 */
 	[MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB],	SMSTPCR2, 22, 0), /* SCIFA7 */
+	[MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 18, 0), /* DMAC1 */
+	[MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 17, 0), /* DMAC2 */
+	[MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 16, 0), /* DMAC3 */
+	[MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 14, 0), /* USBDMAC */
 	[MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB],	SMSTPCR2,  7, 0), /* SCIFA5 */
 	[MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB],	SMSTPCR2,  6, 0), /* SCIFB */
 	[MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB],	SMSTPCR2,  4, 0), /* SCIFA0 */
@@ -563,7 +568,10 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh-sci.0",		&mstp_clks[MSTP204]),
 	CLKDEV_DEV_ID("sh-sci.8",		&mstp_clks[MSTP206]),
 	CLKDEV_DEV_ID("sh-sci.5",		&mstp_clks[MSTP207]),
-
+	CLKDEV_DEV_ID("sh-dma-engine.3",	&mstp_clks[MSTP214]),
+	CLKDEV_DEV_ID("sh-dma-engine.2",	&mstp_clks[MSTP216]),
+	CLKDEV_DEV_ID("sh-dma-engine.1",	&mstp_clks[MSTP217]),
+	CLKDEV_DEV_ID("sh-dma-engine.0",	&mstp_clks[MSTP218]),
 	CLKDEV_DEV_ID("sh-sci.7",		&mstp_clks[MSTP222]),
 	CLKDEV_DEV_ID("sh-sci.6",		&mstp_clks[MSTP230]),
 
@@ -628,7 +636,7 @@ void __init r8a7740_clock_init(u8 md_ck)
 						    DIV6_REPARENT_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
 	for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
 		ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c
index 7d6e9fe47b5..339c62c824d 100644
--- a/arch/arm/mach-shmobile/clock-r8a7779.c
+++ b/arch/arm/mach-shmobile/clock-r8a7779.c
@@ -162,7 +162,7 @@ void __init r8a7779_clock_init(void)
 		ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
 
 	if (!ret)
-		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
 	for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
 		ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c
index 006e7b5d304..162b791b898 100644
--- a/arch/arm/mach-shmobile/clock-sh7367.c
+++ b/arch/arm/mach-shmobile/clock-sh7367.c
@@ -344,7 +344,7 @@ void __init sh7367_clock_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
 	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 94d1f88246d..5a2894b1c96 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -704,7 +704,7 @@ void __init sh7372_clock_init(void)
 		ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
 	for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
 		ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/clock-sh7377.c b/arch/arm/mach-shmobile/clock-sh7377.c
index 0798a15936c..85f2a3ec2c4 100644
--- a/arch/arm/mach-shmobile/clock-sh7377.c
+++ b/arch/arm/mach-shmobile/clock-sh7377.c
@@ -355,7 +355,7 @@ void __init sh7377_clock_init(void)
 		ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
 	clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index ad6f9ade740..7f8da18a858 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -475,9 +475,9 @@ static struct clk *late_main_clks[] = {
 
 enum { MSTP001,
 	MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
-	MSTP219, MSTP218,
+	MSTP219, MSTP218, MSTP217,
 	MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-	MSTP331, MSTP329, MSTP328, MSTP325, MSTP323,
+	MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
 	MSTP314, MSTP313, MSTP312, MSTP311,
 	MSTP303, MSTP302, MSTP301, MSTP300,
 	MSTP411, MSTP410, MSTP403,
@@ -498,6 +498,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
 	[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
 	[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */
+	[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */
 	[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
 	[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
 	[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -510,6 +511,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP328] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /*FSI*/
 	[MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
 	[MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
+	[MSTP322] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 22, 0), /* USB */
 	[MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */
 	[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
 	[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
@@ -554,6 +556,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
 	CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
 	CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
+	CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
 	CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
 	CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
 	CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
@@ -566,6 +569,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */
 	CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
 	CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
+	CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
@@ -614,7 +618,7 @@ void __init sh73a0_clock_init(void)
 		ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR);
 
 	if (!ret)
-		ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+		ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
 	for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
 		ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/include/mach/dma-register.h b/arch/arm/mach-shmobile/include/mach/dma-register.h
new file mode 100644
index 00000000000..97c40bd9b94
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/dma-register.h
@@ -0,0 +1,84 @@
+/*
+ * SH-ARM CPU-specific DMA definitions, used by both DMA drivers
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp
+ *
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * Based on arch/sh/include/cpu-sh4/cpu/dma-register.h
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef DMA_REGISTER_H
+#define DMA_REGISTER_H
+
+/*
+ *		Direct Memory Access Controller
+ */
+
+/* Transmit sizes and respective CHCR register values */
+enum {
+	XMIT_SZ_8BIT		= 0,
+	XMIT_SZ_16BIT		= 1,
+	XMIT_SZ_32BIT		= 2,
+	XMIT_SZ_64BIT		= 7,
+	XMIT_SZ_128BIT		= 3,
+	XMIT_SZ_256BIT		= 4,
+	XMIT_SZ_512BIT		= 5,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+static const unsigned int dma_ts_shift[] = {
+	[XMIT_SZ_8BIT]		= 0,
+	[XMIT_SZ_16BIT]		= 1,
+	[XMIT_SZ_32BIT]		= 2,
+	[XMIT_SZ_64BIT]		= 3,
+	[XMIT_SZ_128BIT]	= 4,
+	[XMIT_SZ_256BIT]	= 5,
+	[XMIT_SZ_512BIT]	= 6,
+};
+
+#define TS_LOW_BIT	0x3 /* --xx */
+#define TS_HI_BIT	0xc /* xx-- */
+
+#define TS_LOW_SHIFT	(3)
+#define TS_HI_SHIFT	(20 - 2)	/* 2 bits for shifted low TS */
+
+#define TS_INDEX2VAL(i) \
+	((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\
+	 (((i) & TS_HI_BIT)  << TS_HI_SHIFT))
+
+#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
+#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
+
+
+/*
+ *		USB High-Speed DMAC
+ */
+/* Transmit sizes and respective CHCR register values */
+enum {
+	USBTS_XMIT_SZ_8BYTE		= 0,
+	USBTS_XMIT_SZ_16BYTE		= 1,
+	USBTS_XMIT_SZ_32BYTE		= 2,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+static const unsigned int dma_usbts_shift[] = {
+	[USBTS_XMIT_SZ_8BYTE]	= 3,
+	[USBTS_XMIT_SZ_16BYTE]	= 4,
+	[USBTS_XMIT_SZ_32BYTE]	= 5,
+};
+
+#define USBTS_LOW_BIT	0x3 /* --xx */
+#define USBTS_HI_BIT	0x0 /* ---- */
+
+#define USBTS_LOW_SHIFT	6
+#define USBTS_HI_SHIFT	0
+
+#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
+
+#endif /* DMA_REGISTER_H */
diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h
index de795b42232..844507d937c 100644
--- a/arch/arm/mach-shmobile/include/mach/gpio.h
+++ b/arch/arm/mach-shmobile/include/mach/gpio.h
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/sh_pfc.h>
+#include <linux/io.h>
 
 #ifdef CONFIG_GPIOLIB
 
@@ -27,4 +28,35 @@ static inline int irq_to_gpio(unsigned int irq)
 
 #endif /* CONFIG_GPIOLIB */
 
+/*
+ * FIXME !!
+ *
+ * current gpio frame work doesn't have
+ * the method to control only pull up/down/free.
+ * this function should be replaced by correct gpio function
+ */
+static inline void __init gpio_direction_none(u32 addr)
+{
+	__raw_writeb(0x00, addr);
+}
+
+static inline void __init gpio_request_pullup(u32 addr)
+{
+	u8 data = __raw_readb(addr);
+
+	data &= 0x0F;
+	data |= 0xC0;
+	__raw_writeb(data, addr);
+}
+
+static inline void __init gpio_request_pulldown(u32 addr)
+{
+	u8 data = __raw_readb(addr);
+
+	data &= 0x0F;
+	data |= 0xA0;
+
+	__raw_writeb(data, addr);
+}
+
 #endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-shmobile/include/mach/pm-rmobile.h b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
new file mode 100644
index 00000000000..5a402840fe2
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef PM_RMOBILE_H
+#define PM_RMOBILE_H
+
+#include <linux/pm_domain.h>
+
+struct platform_device;
+
+struct rmobile_pm_domain {
+	struct generic_pm_domain genpd;
+	struct dev_power_governor *gov;
+	int (*suspend)(void);
+	void (*resume)(void);
+	unsigned int bit_shift;
+	bool no_debug;
+};
+
+static inline
+struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
+{
+	return container_of(d, struct rmobile_pm_domain, genpd);
+}
+
+#ifdef CONFIG_PM
+extern void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd);
+extern void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd,
+					struct platform_device *pdev);
+extern void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd,
+				    struct rmobile_pm_domain *rmobile_sd);
+#else
+#define rmobile_init_pm_domain(pd) do { } while (0)
+#define rmobile_add_device_to_domain(pd, pdev) do { } while (0)
+#define rmobile_pm_add_subdomain(pd, sd) do { } while (0)
+#endif /* CONFIG_PM */
+
+#endif /* PM_RMOBILE_H */
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h
index 6468fcc5ee4..7143147780d 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7740.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h
@@ -19,6 +19,8 @@
 #ifndef __ASM_R8A7740_H__
 #define __ASM_R8A7740_H__
 
+#include <mach/pm-rmobile.h>
+
 /*
  * MD_CKx pin
  */
@@ -588,4 +590,26 @@ enum {
 	GPIO_FN_TRACEAUD_FROM_MEMC,
 };
 
+/* DMA slave IDs */
+enum {
+	SHDMA_SLAVE_INVALID,
+	SHDMA_SLAVE_SDHI0_RX,
+	SHDMA_SLAVE_SDHI0_TX,
+	SHDMA_SLAVE_SDHI1_RX,
+	SHDMA_SLAVE_SDHI1_TX,
+	SHDMA_SLAVE_SDHI2_RX,
+	SHDMA_SLAVE_SDHI2_TX,
+	SHDMA_SLAVE_FSIA_RX,
+	SHDMA_SLAVE_FSIA_TX,
+	SHDMA_SLAVE_FSIB_TX,
+	SHDMA_SLAVE_USBHS_TX,
+	SHDMA_SLAVE_USBHS_RX,
+};
+
+#ifdef CONFIG_PM
+extern struct rmobile_pm_domain r8a7740_pd_a4s;
+extern struct rmobile_pm_domain r8a7740_pd_a3sp;
+extern struct rmobile_pm_domain r8a7740_pd_a4lc;
+#endif /* CONFIG_PM */
+
 #endif /* __ASM_R8A7740_H__ */
diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h
index 915d0093da0..b59048e6d8f 100644
--- a/arch/arm/mach-shmobile/include/mach/sh7372.h
+++ b/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -13,6 +13,7 @@
 
 #include <linux/sh_clk.h>
 #include <linux/pm_domain.h>
+#include <mach/pm-rmobile.h>
 
 /*
  * Pin Function Controller:
@@ -477,42 +478,16 @@ extern struct clk sh7372_fsibck_clk;
 extern struct clk sh7372_fsidiva_clk;
 extern struct clk sh7372_fsidivb_clk;
 
-struct platform_device;
-
-struct sh7372_pm_domain {
-	struct generic_pm_domain genpd;
-	struct dev_power_governor *gov;
-	int (*suspend)(void);
-	void (*resume)(void);
-	unsigned int bit_shift;
-	bool no_debug;
-};
-
-static inline struct sh7372_pm_domain *to_sh7372_pd(struct generic_pm_domain *d)
-{
-	return container_of(d, struct sh7372_pm_domain, genpd);
-}
-
 #ifdef CONFIG_PM
-extern struct sh7372_pm_domain sh7372_a4lc;
-extern struct sh7372_pm_domain sh7372_a4mp;
-extern struct sh7372_pm_domain sh7372_d4;
-extern struct sh7372_pm_domain sh7372_a4r;
-extern struct sh7372_pm_domain sh7372_a3rv;
-extern struct sh7372_pm_domain sh7372_a3ri;
-extern struct sh7372_pm_domain sh7372_a4s;
-extern struct sh7372_pm_domain sh7372_a3sp;
-extern struct sh7372_pm_domain sh7372_a3sg;
-
-extern void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd);
-extern void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
-					struct platform_device *pdev);
-extern void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd,
-				    struct sh7372_pm_domain *sh7372_sd);
-#else
-#define sh7372_init_pm_domain(pd) do { } while(0)
-#define sh7372_add_device_to_domain(pd, pdev) do { } while(0)
-#define sh7372_pm_add_subdomain(pd, sd) do { } while(0)
+extern struct rmobile_pm_domain sh7372_pd_a4lc;
+extern struct rmobile_pm_domain sh7372_pd_a4mp;
+extern struct rmobile_pm_domain sh7372_pd_d4;
+extern struct rmobile_pm_domain sh7372_pd_a4r;
+extern struct rmobile_pm_domain sh7372_pd_a3rv;
+extern struct rmobile_pm_domain sh7372_pd_a3ri;
+extern struct rmobile_pm_domain sh7372_pd_a4s;
+extern struct rmobile_pm_domain sh7372_pd_a3sp;
+extern struct rmobile_pm_domain sh7372_pd_a3sg;
 #endif /* CONFIG_PM */
 
 extern void sh7372_intcs_suspend(void);
diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h
index 398e2c10913..fe950f25d79 100644
--- a/arch/arm/mach-shmobile/include/mach/sh73a0.h
+++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h
@@ -516,6 +516,13 @@ enum {
 	SHDMA_SLAVE_SDHI2_RX,
 	SHDMA_SLAVE_MMCIF_TX,
 	SHDMA_SLAVE_MMCIF_RX,
+	SHDMA_SLAVE_FSI2A_TX,
+	SHDMA_SLAVE_FSI2A_RX,
+	SHDMA_SLAVE_FSI2B_TX,
+	SHDMA_SLAVE_FSI2B_RX,
+	SHDMA_SLAVE_FSI2C_TX,
+	SHDMA_SLAVE_FSI2C_RX,
+	SHDMA_SLAVE_FSI2D_RX,
 };
 
 /*
diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c
index 550b23df4fd..f04fad4ec4f 100644
--- a/arch/arm/mach-shmobile/intc-r8a7779.c
+++ b/arch/arm/mach-shmobile/intc-r8a7779.c
@@ -35,6 +35,9 @@
 #define INT2SMSKCR3 0xfe7822ac
 #define INT2SMSKCR4 0xfe7822b0
 
+#define INT2NTSR0 0xfe700060
+#define INT2NTSR1 0xfe700064
+
 static int r8a7779_set_wake(struct irq_data *data, unsigned int on)
 {
 	return 0; /* always allow wakeup */
@@ -49,6 +52,10 @@ void __init r8a7779_init_irq(void)
 	gic_init(0, 29, gic_dist_base, gic_cpu_base);
 	gic_arch_extn.irq_set_wake = r8a7779_set_wake;
 
+	/* route all interrupts to ARM */
+	__raw_writel(0xffffffff, INT2NTSR0);
+	__raw_writel(0x3fffffff, INT2NTSR1);
+
 	/* unmask all known interrupts in INTCS2 */
 	__raw_writel(0xfffffff0, INT2SMSKCR0);
 	__raw_writel(0xfff7ffff, INT2SMSKCR1);
diff --git a/arch/arm/mach-shmobile/pfc-r8a7740.c b/arch/arm/mach-shmobile/pfc-r8a7740.c
index 03def0fd7a0..ce9e7fa5cc8 100644
--- a/arch/arm/mach-shmobile/pfc-r8a7740.c
+++ b/arch/arm/mach-shmobile/pfc-r8a7740.c
@@ -1261,7 +1261,7 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(A21_MARK,			PORT120_FN1),
 	PINMUX_DATA(MSIOF0_RSYNC_MARK,		PORT120_FN2),
 	PINMUX_DATA(MSIOF1_TSYNC_PORT120_MARK,	PORT120_FN3,	MSEL4CR_10_0),
-	PINMUX_DATA(IRQ7_PORT120_MARK,		PORT120_FN0,	MSEL1CR_7_0),
+	PINMUX_DATA(IRQ7_PORT120_MARK,		PORT120_FN0,	MSEL1CR_7_1),
 
 	/* Port121 */
 	PINMUX_DATA(A20_MARK,			PORT121_FN1),
@@ -1623,7 +1623,7 @@ static pinmux_enum_t pinmux_data[] = {
 
 	/* Port209 */
 	PINMUX_DATA(VBUS_MARK,			PORT209_FN1),
-	PINMUX_DATA(IRQ7_PORT209_MARK,		PORT209_FN0,	MSEL1CR_7_1),
+	PINMUX_DATA(IRQ7_PORT209_MARK,		PORT209_FN0,	MSEL1CR_7_0),
 
 	/* Port210 */
 	PINMUX_DATA(IRQ9_PORT210_MARK,		PORT210_FN0,	MSEL1CR_9_1),
diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c
new file mode 100644
index 00000000000..893504d012a
--- /dev/null
+++ b/arch/arm/mach-shmobile/pm-r8a7740.c
@@ -0,0 +1,54 @@
+/*
+ * r8a7740 power management support
+ *
+ * Copyright (C) 2012  Renesas Solutions Corp.
+ * Copyright (C) 2012  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/console.h>
+#include <mach/pm-rmobile.h>
+
+#ifdef CONFIG_PM
+static int r8a7740_pd_a4s_suspend(void)
+{
+	/*
+	 * The A4S domain contains the CPU core and therefore it should
+	 * only be turned off if the CPU is in use.
+	 */
+	return -EBUSY;
+}
+
+struct rmobile_pm_domain r8a7740_pd_a4s = {
+	.genpd.name	= "A4S",
+	.bit_shift	= 10,
+	.gov		= &pm_domain_always_on_gov,
+	.no_debug	= true,
+	.suspend	= r8a7740_pd_a4s_suspend,
+};
+
+static int r8a7740_pd_a3sp_suspend(void)
+{
+	/*
+	 * Serial consoles make use of SCIF hardware located in A3SP,
+	 * keep such power domain on if "no_console_suspend" is set.
+	 */
+	return console_suspend_enabled ? 0 : -EBUSY;
+}
+
+struct rmobile_pm_domain r8a7740_pd_a3sp = {
+	.genpd.name	= "A3SP",
+	.bit_shift	= 11,
+	.gov		= &pm_domain_always_on_gov,
+	.no_debug	= true,
+	.suspend	= r8a7740_pd_a3sp_suspend,
+};
+
+struct rmobile_pm_domain r8a7740_pd_a4lc = {
+	.genpd.name	= "A4LC",
+	.bit_shift	= 1,
+};
+
+#endif /* CONFIG_PM */
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
new file mode 100644
index 00000000000..a8562540f1d
--- /dev/null
+++ b/arch/arm/mach-shmobile/pm-rmobile.c
@@ -0,0 +1,167 @@
+/*
+ * rmobile power management support
+ *
+ * Copyright (C) 2012  Renesas Solutions Corp.
+ * Copyright (C) 2012  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * based on pm-sh7372.c
+ *  Copyright (C) 2011 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_clock.h>
+#include <asm/io.h>
+#include <mach/pm-rmobile.h>
+
+/* SYSC */
+#define SPDCR		0xe6180008
+#define SWUCR		0xe6180014
+#define PSTR		0xe6180080
+
+#define PSTR_RETRIES	100
+#define PSTR_DELAY_US	10
+
+#ifdef CONFIG_PM
+static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
+{
+	struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
+	unsigned int mask = 1 << rmobile_pd->bit_shift;
+
+	if (rmobile_pd->suspend) {
+		int ret = rmobile_pd->suspend();
+
+		if (ret)
+			return ret;
+	}
+
+	if (__raw_readl(PSTR) & mask) {
+		unsigned int retry_count;
+		__raw_writel(mask, SPDCR);
+
+		for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
+			if (!(__raw_readl(SPDCR) & mask))
+				break;
+			cpu_relax();
+		}
+	}
+
+	if (!rmobile_pd->no_debug)
+		pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",
+			 genpd->name, mask, __raw_readl(PSTR));
+
+	return 0;
+}
+
+static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd,
+				 bool do_resume)
+{
+	unsigned int mask = 1 << rmobile_pd->bit_shift;
+	unsigned int retry_count;
+	int ret = 0;
+
+	if (__raw_readl(PSTR) & mask)
+		goto out;
+
+	__raw_writel(mask, SWUCR);
+
+	for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
+		if (!(__raw_readl(SWUCR) & mask))
+			break;
+		if (retry_count > PSTR_RETRIES)
+			udelay(PSTR_DELAY_US);
+		else
+			cpu_relax();
+	}
+	if (!retry_count)
+		ret = -EIO;
+
+	if (!rmobile_pd->no_debug)
+		pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
+			 rmobile_pd->genpd.name, mask, __raw_readl(PSTR));
+
+out:
+	if (ret == 0 && rmobile_pd->resume && do_resume)
+		rmobile_pd->resume();
+
+	return ret;
+}
+
+static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
+{
+	return __rmobile_pd_power_up(to_rmobile_pd(genpd), true);
+}
+
+static bool rmobile_pd_active_wakeup(struct device *dev)
+{
+	bool (*active_wakeup)(struct device *dev);
+
+	active_wakeup = dev_gpd_data(dev)->ops.active_wakeup;
+	return active_wakeup ? active_wakeup(dev) : true;
+}
+
+static int rmobile_pd_stop_dev(struct device *dev)
+{
+	int (*stop)(struct device *dev);
+
+	stop = dev_gpd_data(dev)->ops.stop;
+	if (stop) {
+		int ret = stop(dev);
+		if (ret)
+			return ret;
+	}
+	return pm_clk_suspend(dev);
+}
+
+static int rmobile_pd_start_dev(struct device *dev)
+{
+	int (*start)(struct device *dev);
+	int ret;
+
+	ret = pm_clk_resume(dev);
+	if (ret)
+		return ret;
+
+	start = dev_gpd_data(dev)->ops.start;
+	if (start)
+		ret = start(dev);
+
+	return ret;
+}
+
+void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
+{
+	struct generic_pm_domain *genpd = &rmobile_pd->genpd;
+	struct dev_power_governor *gov = rmobile_pd->gov;
+
+	pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
+	genpd->dev_ops.stop		= rmobile_pd_stop_dev;
+	genpd->dev_ops.start		= rmobile_pd_start_dev;
+	genpd->dev_ops.active_wakeup	= rmobile_pd_active_wakeup;
+	genpd->dev_irq_safe		= true;
+	genpd->power_off		= rmobile_pd_power_down;
+	genpd->power_on			= rmobile_pd_power_up;
+	__rmobile_pd_power_up(rmobile_pd, false);
+}
+
+void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd,
+				 struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+
+	pm_genpd_add_device(&rmobile_pd->genpd, dev);
+	if (pm_clk_no_clocks(dev))
+		pm_clk_add(dev, NULL);
+}
+
+void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd,
+			     struct rmobile_pm_domain *rmobile_sd)
+{
+	pm_genpd_add_subdomain(&rmobile_pd->genpd, &rmobile_sd->genpd);
+}
+#endif /* CONFIG_PM */
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index a3bdb12acde..79203706922 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -26,6 +26,7 @@
 #include <asm/suspend.h>
 #include <mach/common.h>
 #include <mach/sh7372.h>
+#include <mach/pm-rmobile.h>
 
 /* DBG */
 #define DBGREG1 0xe6100020
@@ -41,13 +42,10 @@
 #define PLLC01STPCR 0xe61500c8
 
 /* SYSC */
-#define SPDCR 0xe6180008
-#define SWUCR 0xe6180014
 #define SBAR 0xe6180020
 #define WUPRMSK 0xe6180028
 #define WUPSMSK 0xe618002c
 #define WUPSMSK2 0xe6180048
-#define PSTR 0xe6180080
 #define WUPSFAC 0xe6180098
 #define IRQCR 0xe618022c
 #define IRQCR2 0xe6180238
@@ -71,188 +69,48 @@
 /* AP-System Core */
 #define APARMBAREA 0xe6f10020
 
-#define PSTR_RETRIES 100
-#define PSTR_DELAY_US 10
-
 #ifdef CONFIG_PM
 
-static int pd_power_down(struct generic_pm_domain *genpd)
-{
-	struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
-	unsigned int mask = 1 << sh7372_pd->bit_shift;
-
-	if (sh7372_pd->suspend) {
-		int ret = sh7372_pd->suspend();
-
-		if (ret)
-			return ret;
-	}
-
-	if (__raw_readl(PSTR) & mask) {
-		unsigned int retry_count;
-
-		__raw_writel(mask, SPDCR);
-
-		for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
-			if (!(__raw_readl(SPDCR) & mask))
-				break;
-			cpu_relax();
-		}
-	}
-
-	if (!sh7372_pd->no_debug)
-		pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",
-			 genpd->name, mask, __raw_readl(PSTR));
-
-	return 0;
-}
-
-static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
-{
-	unsigned int mask = 1 << sh7372_pd->bit_shift;
-	unsigned int retry_count;
-	int ret = 0;
-
-	if (__raw_readl(PSTR) & mask)
-		goto out;
-
-	__raw_writel(mask, SWUCR);
-
-	for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
-		if (!(__raw_readl(SWUCR) & mask))
-			break;
-		if (retry_count > PSTR_RETRIES)
-			udelay(PSTR_DELAY_US);
-		else
-			cpu_relax();
-	}
-	if (!retry_count)
-		ret = -EIO;
-
-	if (!sh7372_pd->no_debug)
-		pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
-			 sh7372_pd->genpd.name, mask, __raw_readl(PSTR));
-
- out:
-	if (ret == 0 && sh7372_pd->resume && do_resume)
-		sh7372_pd->resume();
-
-	return ret;
-}
-
-static int pd_power_up(struct generic_pm_domain *genpd)
-{
-	 return __pd_power_up(to_sh7372_pd(genpd), true);
-}
-
-static int sh7372_a4r_suspend(void)
-{
-	sh7372_intcs_suspend();
-	__raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */
-	return 0;
-}
-
-static bool pd_active_wakeup(struct device *dev)
-{
-	bool (*active_wakeup)(struct device *dev);
-
-	active_wakeup = dev_gpd_data(dev)->ops.active_wakeup;
-	return active_wakeup ? active_wakeup(dev) : true;
-}
-
-static int sh7372_stop_dev(struct device *dev)
-{
-	int (*stop)(struct device *dev);
-
-	stop = dev_gpd_data(dev)->ops.stop;
-	if (stop) {
-		int ret = stop(dev);
-		if (ret)
-			return ret;
-	}
-	return pm_clk_suspend(dev);
-}
-
-static int sh7372_start_dev(struct device *dev)
-{
-	int (*start)(struct device *dev);
-	int ret;
-
-	ret = pm_clk_resume(dev);
-	if (ret)
-		return ret;
-
-	start = dev_gpd_data(dev)->ops.start;
-	if (start)
-		ret = start(dev);
-
-	return ret;
-}
-
-void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd)
-{
-	struct generic_pm_domain *genpd = &sh7372_pd->genpd;
-	struct dev_power_governor *gov = sh7372_pd->gov;
-
-	pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
-	genpd->dev_ops.stop = sh7372_stop_dev;
-	genpd->dev_ops.start = sh7372_start_dev;
-	genpd->dev_ops.active_wakeup = pd_active_wakeup;
-	genpd->dev_irq_safe = true;
-	genpd->power_off = pd_power_down;
-	genpd->power_on = pd_power_up;
-	__pd_power_up(sh7372_pd, false);
-}
-
-void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
-				 struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-
-	pm_genpd_add_device(&sh7372_pd->genpd, dev);
-	if (pm_clk_no_clocks(dev))
-		pm_clk_add(dev, NULL);
-}
-
-void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd,
-			     struct sh7372_pm_domain *sh7372_sd)
-{
-	pm_genpd_add_subdomain(&sh7372_pd->genpd, &sh7372_sd->genpd);
-}
-
-struct sh7372_pm_domain sh7372_a4lc = {
+struct rmobile_pm_domain sh7372_pd_a4lc = {
 	.genpd.name = "A4LC",
 	.bit_shift = 1,
 };
 
-struct sh7372_pm_domain sh7372_a4mp = {
+struct rmobile_pm_domain sh7372_pd_a4mp = {
 	.genpd.name = "A4MP",
 	.bit_shift = 2,
 };
 
-struct sh7372_pm_domain sh7372_d4 = {
+struct rmobile_pm_domain sh7372_pd_d4 = {
 	.genpd.name = "D4",
 	.bit_shift = 3,
 };
 
-struct sh7372_pm_domain sh7372_a4r = {
+static int sh7372_a4r_pd_suspend(void)
+{
+	sh7372_intcs_suspend();
+	__raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */
+	return 0;
+}
+
+struct rmobile_pm_domain sh7372_pd_a4r = {
 	.genpd.name = "A4R",
 	.bit_shift = 5,
-	.suspend = sh7372_a4r_suspend,
+	.suspend = sh7372_a4r_pd_suspend,
 	.resume = sh7372_intcs_resume,
 };
 
-struct sh7372_pm_domain sh7372_a3rv = {
+struct rmobile_pm_domain sh7372_pd_a3rv = {
 	.genpd.name = "A3RV",
 	.bit_shift = 6,
 };
 
-struct sh7372_pm_domain sh7372_a3ri = {
+struct rmobile_pm_domain sh7372_pd_a3ri = {
 	.genpd.name = "A3RI",
 	.bit_shift = 8,
 };
 
-static int sh7372_a4s_suspend(void)
+static int sh7372_pd_a4s_suspend(void)
 {
 	/*
 	 * The A4S domain contains the CPU core and therefore it should
@@ -261,15 +119,15 @@ static int sh7372_a4s_suspend(void)
 	return -EBUSY;
 }
 
-struct sh7372_pm_domain sh7372_a4s = {
+struct rmobile_pm_domain sh7372_pd_a4s = {
 	.genpd.name = "A4S",
 	.bit_shift = 10,
 	.gov = &pm_domain_always_on_gov,
 	.no_debug = true,
-	.suspend = sh7372_a4s_suspend,
+	.suspend = sh7372_pd_a4s_suspend,
 };
 
-static int sh7372_a3sp_suspend(void)
+static int sh7372_a3sp_pd_suspend(void)
 {
 	/*
 	 * Serial consoles make use of SCIF hardware located in A3SP,
@@ -278,32 +136,22 @@ static int sh7372_a3sp_suspend(void)
 	return console_suspend_enabled ? 0 : -EBUSY;
 }
 
-struct sh7372_pm_domain sh7372_a3sp = {
+struct rmobile_pm_domain sh7372_pd_a3sp = {
 	.genpd.name = "A3SP",
 	.bit_shift = 11,
 	.gov = &pm_domain_always_on_gov,
 	.no_debug = true,
-	.suspend = sh7372_a3sp_suspend,
+	.suspend = sh7372_a3sp_pd_suspend,
 };
 
-struct sh7372_pm_domain sh7372_a3sg = {
+struct rmobile_pm_domain sh7372_pd_a3sg = {
 	.genpd.name = "A3SG",
 	.bit_shift = 13,
 };
 
-#else /* !CONFIG_PM */
-
-static inline void sh7372_a3sp_init(void) {}
-
-#endif /* !CONFIG_PM */
+#endif /* CONFIG_PM */
 
 #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE)
-static int sh7372_do_idle_core_standby(unsigned long unused)
-{
-	cpu_do_idle(); /* WFI when SYSTBCR == 0x10 -> Core Standby */
-	return 0;
-}
-
 static void sh7372_set_reset_vector(unsigned long address)
 {
 	/* set reset vector, translate 4k */
@@ -311,21 +159,6 @@ static void sh7372_set_reset_vector(unsigned long address)
 	__raw_writel(0, APARMBAREA);
 }
 
-static void sh7372_enter_core_standby(void)
-{
-	sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
-
-	/* enter sleep mode with SYSTBCR to 0x10 */
-	__raw_writel(0x10, SYSTBCR);
-	cpu_suspend(0, sh7372_do_idle_core_standby);
-	__raw_writel(0, SYSTBCR);
-
-	 /* disable reset vector translation */
-	__raw_writel(0, SBAR);
-}
-#endif
-
-#ifdef CONFIG_SUSPEND
 static void sh7372_enter_sysc(int pllc0_on, unsigned long sleep_mode)
 {
 	if (pllc0_on)
@@ -465,22 +298,42 @@ static void sh7372_setup_sysc(unsigned long msk, unsigned long msk2)
 
 static void sh7372_enter_a3sm_common(int pllc0_on)
 {
+	/* use INTCA together with SYSC for wakeup */
+	sh7372_setup_sysc(1 << 0, 0);
 	sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
 	sh7372_enter_sysc(pllc0_on, 1 << 12);
 }
+#endif /* CONFIG_SUSPEND || CONFIG_CPU_IDLE */
 
-static void sh7372_enter_a4s_common(int pllc0_on)
+#ifdef CONFIG_CPU_IDLE
+static int sh7372_do_idle_core_standby(unsigned long unused)
 {
-	sh7372_intca_suspend();
-	memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100);
-	sh7372_set_reset_vector(SMFRAM);
-	sh7372_enter_sysc(pllc0_on, 1 << 10);
-	sh7372_intca_resume();
+	cpu_do_idle(); /* WFI when SYSTBCR == 0x10 -> Core Standby */
+	return 0;
 }
 
-#endif
+static void sh7372_enter_core_standby(void)
+{
+	sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
 
-#ifdef CONFIG_CPU_IDLE
+	/* enter sleep mode with SYSTBCR to 0x10 */
+	__raw_writel(0x10, SYSTBCR);
+	cpu_suspend(0, sh7372_do_idle_core_standby);
+	__raw_writel(0, SYSTBCR);
+
+	 /* disable reset vector translation */
+	__raw_writel(0, SBAR);
+}
+
+static void sh7372_enter_a3sm_pll_on(void)
+{
+	sh7372_enter_a3sm_common(1);
+}
+
+static void sh7372_enter_a3sm_pll_off(void)
+{
+	sh7372_enter_a3sm_common(0);
+}
 
 static void sh7372_cpuidle_setup(struct cpuidle_driver *drv)
 {
@@ -492,7 +345,24 @@ static void sh7372_cpuidle_setup(struct cpuidle_driver *drv)
 	state->target_residency = 20 + 10;
 	state->flags = CPUIDLE_FLAG_TIME_VALID;
 	shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby;
+	drv->state_count++;
+
+	state = &drv->states[drv->state_count];
+	snprintf(state->name, CPUIDLE_NAME_LEN, "C3");
+	strncpy(state->desc, "A3SM PLL ON", CPUIDLE_DESC_LEN);
+	state->exit_latency = 20;
+	state->target_residency = 30 + 20;
+	state->flags = CPUIDLE_FLAG_TIME_VALID;
+	shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_on;
+	drv->state_count++;
 
+	state = &drv->states[drv->state_count];
+	snprintf(state->name, CPUIDLE_NAME_LEN, "C4");
+	strncpy(state->desc, "A3SM PLL OFF", CPUIDLE_DESC_LEN);
+	state->exit_latency = 120;
+	state->target_residency = 30 + 120;
+	state->flags = CPUIDLE_FLAG_TIME_VALID;
+	shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_off;
 	drv->state_count++;
 }
 
@@ -505,6 +375,14 @@ static void sh7372_cpuidle_init(void) {}
 #endif
 
 #ifdef CONFIG_SUSPEND
+static void sh7372_enter_a4s_common(int pllc0_on)
+{
+	sh7372_intca_suspend();
+	memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100);
+	sh7372_set_reset_vector(SMFRAM);
+	sh7372_enter_sysc(pllc0_on, 1 << 10);
+	sh7372_intca_resume();
+}
 
 static int sh7372_enter_suspend(suspend_state_t suspend_state)
 {
@@ -512,24 +390,21 @@ static int sh7372_enter_suspend(suspend_state_t suspend_state)
 
 	/* check active clocks to determine potential wakeup sources */
 	if (sh7372_sysc_valid(&msk, &msk2)) {
-		/* convert INTC mask and sense to SYSC mask and sense */
-		sh7372_setup_sysc(msk, msk2);
-
 		if (!console_suspend_enabled &&
-		    sh7372_a4s.genpd.status == GPD_STATE_POWER_OFF) {
+		    sh7372_pd_a4s.genpd.status == GPD_STATE_POWER_OFF) {
+			/* convert INTC mask/sense to SYSC mask/sense */
+			sh7372_setup_sysc(msk, msk2);
+
 			/* enter A4S sleep with PLLC0 off */
 			pr_debug("entering A4S\n");
 			sh7372_enter_a4s_common(0);
-		} else {
-			/* enter A3SM sleep with PLLC0 off */
-			pr_debug("entering A3SM\n");
-			sh7372_enter_a3sm_common(0);
+			return 0;
 		}
-	} else {
-		/* default to Core Standby that supports all wakeup sources */
-		pr_debug("entering Core Standby\n");
-		sh7372_enter_core_standby();
 	}
+
+	/* default to enter A3SM sleep with PLLC0 off */
+	pr_debug("entering A3SM\n");
+	sh7372_enter_a3sm_common(0);
 	return 0;
 }
 
@@ -550,7 +425,7 @@ static int sh7372_pm_notifier_fn(struct notifier_block *notifier,
 		 * executed during system suspend and resume, respectively, so
 		 * that those functions don't crash while accessing the INTCS.
 		 */
-		pm_genpd_poweron(&sh7372_a4r.genpd);
+		pm_genpd_poweron(&sh7372_pd_a4r.genpd);
 		break;
 	case PM_POST_SUSPEND:
 		pm_genpd_poweroff_unused();
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index 366311b3dc7..78948a9dba0 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -23,9 +23,14 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/of_platform.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
+#include <linux/dma-mapping.h>
+#include <mach/dma-register.h>
 #include <mach/r8a7740.h>
+#include <mach/pm-rmobile.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <asm/mach-types.h>
@@ -276,6 +281,272 @@ static struct platform_device *r8a7740_early_devices[] __initdata = {
 	&cmt10_device,
 };
 
+/* DMA */
+static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
+	{
+		.slave_id	= SHDMA_SLAVE_SDHI0_TX,
+		.addr		= 0xe6850030,
+		.chcr		= CHCR_TX(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc1,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI0_RX,
+		.addr		= 0xe6850030,
+		.chcr		= CHCR_RX(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc2,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI1_TX,
+		.addr		= 0xe6860030,
+		.chcr		= CHCR_TX(XMIT_SZ_16BIT),
+		.mid_rid	= 0xc9,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI1_RX,
+		.addr		= 0xe6860030,
+		.chcr		= CHCR_RX(XMIT_SZ_16BIT),
+		.mid_rid	= 0xca,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI2_TX,
+		.addr		= 0xe6870030,
+		.chcr		= CHCR_TX(XMIT_SZ_16BIT),
+		.mid_rid	= 0xcd,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SDHI2_RX,
+		.addr		= 0xe6870030,
+		.chcr		= CHCR_RX(XMIT_SZ_16BIT),
+		.mid_rid	= 0xce,
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSIA_TX,
+		.addr		= 0xfe1f0024,
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb1,
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSIA_RX,
+		.addr		= 0xfe1f0020,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb2,
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSIB_TX,
+		.addr		= 0xfe1f0064,
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb5,
+	},
+};
+
+#define DMA_CHANNEL(a, b, c)			\
+{						\
+	.offset		= a,			\
+	.dmars		= b,			\
+	.dmars_bit	= c,			\
+	.chclr_offset	= (0x220 - 0x20) + a	\
+}
+
+static const struct sh_dmae_channel r8a7740_dmae_channels[] = {
+	DMA_CHANNEL(0x00, 0, 0),
+	DMA_CHANNEL(0x10, 0, 8),
+	DMA_CHANNEL(0x20, 4, 0),
+	DMA_CHANNEL(0x30, 4, 8),
+	DMA_CHANNEL(0x50, 8, 0),
+	DMA_CHANNEL(0x60, 8, 8),
+};
+
+static struct sh_dmae_pdata dma_platform_data = {
+	.slave		= r8a7740_dmae_slaves,
+	.slave_num	= ARRAY_SIZE(r8a7740_dmae_slaves),
+	.channel	= r8a7740_dmae_channels,
+	.channel_num	= ARRAY_SIZE(r8a7740_dmae_channels),
+	.ts_low_shift	= TS_LOW_SHIFT,
+	.ts_low_mask	= TS_LOW_BIT << TS_LOW_SHIFT,
+	.ts_high_shift	= TS_HI_SHIFT,
+	.ts_high_mask	= TS_HI_BIT << TS_HI_SHIFT,
+	.ts_shift	= dma_ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_ts_shift),
+	.dmaor_init	= DMAOR_DME,
+	.chclr_present	= 1,
+};
+
+/* Resource order important! */
+static struct resource r8a7740_dmae0_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xfe008020,
+		.end	= 0xfe00828f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xfe009000,
+		.end	= 0xfe00900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "error_irq",
+		.start	= evt2irq(0x20c0),
+		.end	= evt2irq(0x20c0),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-5 */
+		.start	= evt2irq(0x2000),
+		.end	= evt2irq(0x20a0),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+/* Resource order important! */
+static struct resource r8a7740_dmae1_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xfe018020,
+		.end	= 0xfe01828f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xfe019000,
+		.end	= 0xfe01900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "error_irq",
+		.start	= evt2irq(0x21c0),
+		.end	= evt2irq(0x21c0),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-5 */
+		.start	= evt2irq(0x2100),
+		.end	= evt2irq(0x21a0),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+/* Resource order important! */
+static struct resource r8a7740_dmae2_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xfe028020,
+		.end	= 0xfe02828f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xfe029000,
+		.end	= 0xfe02900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "error_irq",
+		.start	= evt2irq(0x22c0),
+		.end	= evt2irq(0x22c0),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-5 */
+		.start	= evt2irq(0x2200),
+		.end	= evt2irq(0x22a0),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dma0_device = {
+	.name		= "sh-dma-engine",
+	.id		= 0,
+	.resource	= r8a7740_dmae0_resources,
+	.num_resources	= ARRAY_SIZE(r8a7740_dmae0_resources),
+	.dev		= {
+		.platform_data	= &dma_platform_data,
+	},
+};
+
+static struct platform_device dma1_device = {
+	.name		= "sh-dma-engine",
+	.id		= 1,
+	.resource	= r8a7740_dmae1_resources,
+	.num_resources	= ARRAY_SIZE(r8a7740_dmae1_resources),
+	.dev		= {
+		.platform_data	= &dma_platform_data,
+	},
+};
+
+static struct platform_device dma2_device = {
+	.name		= "sh-dma-engine",
+	.id		= 2,
+	.resource	= r8a7740_dmae2_resources,
+	.num_resources	= ARRAY_SIZE(r8a7740_dmae2_resources),
+	.dev		= {
+		.platform_data	= &dma_platform_data,
+	},
+};
+
+/* USB-DMAC */
+static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = {
+	{
+		.offset = 0,
+	}, {
+		.offset = 0x20,
+	},
+};
+
+static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = {
+	{
+		.slave_id	= SHDMA_SLAVE_USBHS_TX,
+		.chcr		= USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
+	}, {
+		.slave_id	= SHDMA_SLAVE_USBHS_RX,
+		.chcr		= USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
+	},
+};
+
+static struct sh_dmae_pdata usb_dma_platform_data = {
+	.slave		= r8a7740_usb_dma_slaves,
+	.slave_num	= ARRAY_SIZE(r8a7740_usb_dma_slaves),
+	.channel	= r8a7740_usb_dma_channels,
+	.channel_num	= ARRAY_SIZE(r8a7740_usb_dma_channels),
+	.ts_low_shift	= USBTS_LOW_SHIFT,
+	.ts_low_mask	= USBTS_LOW_BIT << USBTS_LOW_SHIFT,
+	.ts_high_shift	= USBTS_HI_SHIFT,
+	.ts_high_mask	= USBTS_HI_BIT << USBTS_HI_SHIFT,
+	.ts_shift	= dma_usbts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_usbts_shift),
+	.dmaor_init	= DMAOR_DME,
+	.chcr_offset	= 0x14,
+	.chcr_ie_bit	= 1 << 5,
+	.dmaor_is_32bit	= 1,
+	.needs_tend_set	= 1,
+	.no_dmars	= 1,
+	.slave_only	= 1,
+};
+
+static struct resource r8a7740_usb_dma_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xe68a0020,
+		.end	= 0xe68a0064 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* VCR/SWR/DMICR */
+		.start	= 0xe68a0000,
+		.end	= 0xe68a0014 - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* IRQ for channels */
+		.start	= evt2irq(0x0a00),
+		.end	= evt2irq(0x0a00),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device usb_dma_device = {
+	.name		= "sh-dma-engine",
+	.id		= 3,
+	.resource	= r8a7740_usb_dma_resources,
+	.num_resources	= ARRAY_SIZE(r8a7740_usb_dma_resources),
+	.dev		= {
+		.platform_data	= &usb_dma_platform_data,
+	},
+};
+
 /* I2C */
 static struct resource i2c0_resources[] = {
 	[0] = {
@@ -322,6 +593,10 @@ static struct platform_device i2c1_device = {
 static struct platform_device *r8a7740_late_devices[] __initdata = {
 	&i2c0_device,
 	&i2c1_device,
+	&dma0_device,
+	&dma1_device,
+	&dma2_device,
+	&usb_dma_device,
 };
 
 /*
@@ -398,10 +673,31 @@ void __init r8a7740_add_standard_devices(void)
 	r8a7740_i2c_workaround(&i2c0_device);
 	r8a7740_i2c_workaround(&i2c1_device);
 
+	/* PM domain */
+	rmobile_init_pm_domain(&r8a7740_pd_a4s);
+	rmobile_init_pm_domain(&r8a7740_pd_a3sp);
+	rmobile_init_pm_domain(&r8a7740_pd_a4lc);
+
+	rmobile_pm_add_subdomain(&r8a7740_pd_a4s, &r8a7740_pd_a3sp);
+
+	/* add devices */
 	platform_add_devices(r8a7740_early_devices,
 			    ARRAY_SIZE(r8a7740_early_devices));
 	platform_add_devices(r8a7740_late_devices,
 			     ARRAY_SIZE(r8a7740_late_devices));
+
+	/* add devices to PM domain  */
+
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif0_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif1_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif2_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif3_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif4_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif5_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif6_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scif7_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&scifb_device);
+	rmobile_add_device_to_domain(&r8a7740_pd_a3sp,	&i2c1_device);
 }
 
 static void __init r8a7740_earlytimer_init(void)
@@ -421,3 +717,49 @@ void __init r8a7740_add_early_devices(void)
 	/* override timer setup with soc-specific code */
 	shmobile_timer.init = r8a7740_earlytimer_init;
 }
+
+#ifdef CONFIG_USE_OF
+
+void __init r8a7740_add_early_devices_dt(void)
+{
+	shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
+
+	early_platform_add_devices(r8a7740_early_devices,
+				   ARRAY_SIZE(r8a7740_early_devices));
+
+	/* setup early console here as well */
+	shmobile_setup_console();
+}
+
+static const struct of_dev_auxdata r8a7740_auxdata_lookup[] __initconst = {
+	{ }
+};
+
+void __init r8a7740_add_standard_devices_dt(void)
+{
+	/* clocks are setup late during boot in the case of DT */
+	r8a7740_clock_init(0);
+
+	platform_add_devices(r8a7740_early_devices,
+			    ARRAY_SIZE(r8a7740_early_devices));
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     r8a7740_auxdata_lookup, NULL);
+}
+
+static const char *r8a7740_boards_compat_dt[] __initdata = {
+	"renesas,r8a7740",
+	NULL,
+};
+
+DT_MACHINE_START(SH7372_DT, "Generic R8A7740 (Flattened Device Tree)")
+	.map_io		= r8a7740_map_io,
+	.init_early	= r8a7740_add_early_devices_dt,
+	.init_irq	= r8a7740_init_irq,
+	.handle_irq	= shmobile_handle_irq_intc,
+	.init_machine	= r8a7740_add_standard_devices_dt,
+	.timer		= &shmobile_timer,
+	.dt_compat	= r8a7740_boards_compat_dt,
+MACHINE_END
+
+#endif /* CONFIG_USE_OF */
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
index fafce9ce821..838a87be1d5 100644
--- a/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -33,6 +33,7 @@
 #include <linux/sh_timer.h>
 #include <linux/pm_domain.h>
 #include <linux/dma-mapping.h>
+#include <mach/dma-register.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/sh7372.h>
@@ -335,151 +336,126 @@ static struct platform_device iic1_device = {
 };
 
 /* DMA */
-/* Transmit sizes and respective CHCR register values */
-enum {
-	XMIT_SZ_8BIT		= 0,
-	XMIT_SZ_16BIT		= 1,
-	XMIT_SZ_32BIT		= 2,
-	XMIT_SZ_64BIT		= 7,
-	XMIT_SZ_128BIT		= 3,
-	XMIT_SZ_256BIT		= 4,
-	XMIT_SZ_512BIT		= 5,
-};
-
-/* log2(size / 8) - used to calculate number of transfers */
-#define TS_SHIFT {			\
-	[XMIT_SZ_8BIT]		= 0,	\
-	[XMIT_SZ_16BIT]		= 1,	\
-	[XMIT_SZ_32BIT]		= 2,	\
-	[XMIT_SZ_64BIT]		= 3,	\
-	[XMIT_SZ_128BIT]	= 4,	\
-	[XMIT_SZ_256BIT]	= 5,	\
-	[XMIT_SZ_512BIT]	= 6,	\
-}
-
-#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | \
-			 (((i) & 0xc) << (20 - 2)))
-
 static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = {
 	{
 		.slave_id	= SHDMA_SLAVE_SCIF0_TX,
 		.addr		= 0xe6c40020,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x21,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF0_RX,
 		.addr		= 0xe6c40024,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x22,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF1_TX,
 		.addr		= 0xe6c50020,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x25,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF1_RX,
 		.addr		= 0xe6c50024,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x26,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF2_TX,
 		.addr		= 0xe6c60020,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x29,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF2_RX,
 		.addr		= 0xe6c60024,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x2a,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF3_TX,
 		.addr		= 0xe6c70020,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x2d,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF3_RX,
 		.addr		= 0xe6c70024,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x2e,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF4_TX,
 		.addr		= 0xe6c80020,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x39,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF4_RX,
 		.addr		= 0xe6c80024,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x3a,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF5_TX,
 		.addr		= 0xe6cb0020,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x35,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF5_RX,
 		.addr		= 0xe6cb0024,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x36,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF6_TX,
 		.addr		= 0xe6c30040,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x3d,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SCIF6_RX,
 		.addr		= 0xe6c30060,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_8BIT),
 		.mid_rid	= 0x3e,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SDHI0_TX,
 		.addr		= 0xe6850030,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_16BIT),
 		.mid_rid	= 0xc1,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SDHI0_RX,
 		.addr		= 0xe6850030,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_16BIT),
 		.mid_rid	= 0xc2,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SDHI1_TX,
 		.addr		= 0xe6860030,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_16BIT),
 		.mid_rid	= 0xc9,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SDHI1_RX,
 		.addr		= 0xe6860030,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_16BIT),
 		.mid_rid	= 0xca,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SDHI2_TX,
 		.addr		= 0xe6870030,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_16BIT),
 		.mid_rid	= 0xcd,
 	}, {
 		.slave_id	= SHDMA_SLAVE_SDHI2_RX,
 		.addr		= 0xe6870030,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_16BIT),
 		.mid_rid	= 0xce,
 	}, {
 		.slave_id	= SHDMA_SLAVE_FSIA_TX,
 		.addr		= 0xfe1f0024,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
 		.mid_rid	= 0xb1,
 	}, {
 		.slave_id	= SHDMA_SLAVE_FSIA_RX,
 		.addr		= 0xfe1f0020,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
 		.mid_rid	= 0xb2,
 	}, {
 		.slave_id	= SHDMA_SLAVE_MMCIF_TX,
 		.addr		= 0xe6bd0034,
-		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
 		.mid_rid	= 0xd1,
 	}, {
 		.slave_id	= SHDMA_SLAVE_MMCIF_RX,
 		.addr		= 0xe6bd0034,
-		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
 		.mid_rid	= 0xd2,
 	},
 };
@@ -520,19 +496,17 @@ static const struct sh_dmae_channel sh7372_dmae_channels[] = {
 	}
 };
 
-static const unsigned int ts_shift[] = TS_SHIFT;
-
 static struct sh_dmae_pdata dma_platform_data = {
 	.slave		= sh7372_dmae_slaves,
 	.slave_num	= ARRAY_SIZE(sh7372_dmae_slaves),
 	.channel	= sh7372_dmae_channels,
 	.channel_num	= ARRAY_SIZE(sh7372_dmae_channels),
-	.ts_low_shift	= 3,
-	.ts_low_mask	= 0x18,
-	.ts_high_shift	= (20 - 2),	/* 2 bits for shifted low TS */
-	.ts_high_mask	= 0x00300000,
-	.ts_shift	= ts_shift,
-	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.ts_low_shift	= TS_LOW_SHIFT,
+	.ts_low_mask	= TS_LOW_BIT << TS_LOW_SHIFT,
+	.ts_high_shift	= TS_HI_SHIFT,
+	.ts_high_mask	= TS_HI_BIT << TS_HI_SHIFT,
+	.ts_shift	= dma_ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_ts_shift),
 	.dmaor_init	= DMAOR_DME,
 	.chclr_present	= 1,
 };
@@ -654,17 +628,6 @@ static struct platform_device dma2_device = {
 /*
  * USB-DMAC
  */
-
-unsigned int usbts_shift[] = {3, 4, 5};
-
-enum {
-	XMIT_SZ_8BYTE		= 0,
-	XMIT_SZ_16BYTE		= 1,
-	XMIT_SZ_32BYTE		= 2,
-};
-
-#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
-
 static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
 	{
 		.offset = 0,
@@ -677,10 +640,10 @@ static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
 static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = {
 	{
 		.slave_id	= SHDMA_SLAVE_USB0_TX,
-		.chcr		= USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+		.chcr		= USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 	}, {
 		.slave_id	= SHDMA_SLAVE_USB0_RX,
-		.chcr		= USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+		.chcr		= USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 	},
 };
 
@@ -689,12 +652,12 @@ static struct sh_dmae_pdata usb_dma0_platform_data = {
 	.slave_num	= ARRAY_SIZE(sh7372_usb_dmae0_slaves),
 	.channel	= sh7372_usb_dmae_channels,
 	.channel_num	= ARRAY_SIZE(sh7372_usb_dmae_channels),
-	.ts_low_shift	= 6,
-	.ts_low_mask	= 0xc0,
-	.ts_high_shift	= 0,
-	.ts_high_mask	= 0,
-	.ts_shift	= usbts_shift,
-	.ts_shift_num	= ARRAY_SIZE(usbts_shift),
+	.ts_low_shift	= USBTS_LOW_SHIFT,
+	.ts_low_mask	= USBTS_LOW_BIT << USBTS_LOW_SHIFT,
+	.ts_high_shift	= USBTS_HI_SHIFT,
+	.ts_high_mask	= USBTS_HI_BIT << USBTS_HI_SHIFT,
+	.ts_shift	= dma_usbts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_usbts_shift),
 	.dmaor_init	= DMAOR_DME,
 	.chcr_offset	= 0x14,
 	.chcr_ie_bit	= 1 << 5,
@@ -739,10 +702,10 @@ static struct platform_device usb_dma0_device = {
 static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = {
 	{
 		.slave_id	= SHDMA_SLAVE_USB1_TX,
-		.chcr		= USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+		.chcr		= USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 	}, {
 		.slave_id	= SHDMA_SLAVE_USB1_RX,
-		.chcr		= USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+		.chcr		= USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
 	},
 };
 
@@ -751,12 +714,12 @@ static struct sh_dmae_pdata usb_dma1_platform_data = {
 	.slave_num	= ARRAY_SIZE(sh7372_usb_dmae1_slaves),
 	.channel	= sh7372_usb_dmae_channels,
 	.channel_num	= ARRAY_SIZE(sh7372_usb_dmae_channels),
-	.ts_low_shift	= 6,
-	.ts_low_mask	= 0xc0,
-	.ts_high_shift	= 0,
-	.ts_high_mask	= 0,
-	.ts_shift	= usbts_shift,
-	.ts_shift_num	= ARRAY_SIZE(usbts_shift),
+	.ts_low_shift	= USBTS_LOW_SHIFT,
+	.ts_low_mask	= USBTS_LOW_BIT << USBTS_LOW_SHIFT,
+	.ts_high_shift	= USBTS_HI_SHIFT,
+	.ts_high_mask	= USBTS_HI_BIT << USBTS_HI_SHIFT,
+	.ts_shift	= dma_usbts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_usbts_shift),
 	.dmaor_init	= DMAOR_DME,
 	.chcr_offset	= 0x14,
 	.chcr_ie_bit	= 1 << 5,
@@ -1038,21 +1001,21 @@ static struct platform_device *sh7372_late_devices[] __initdata = {
 
 void __init sh7372_add_standard_devices(void)
 {
-	sh7372_init_pm_domain(&sh7372_a4lc);
-	sh7372_init_pm_domain(&sh7372_a4mp);
-	sh7372_init_pm_domain(&sh7372_d4);
-	sh7372_init_pm_domain(&sh7372_a4r);
-	sh7372_init_pm_domain(&sh7372_a3rv);
-	sh7372_init_pm_domain(&sh7372_a3ri);
-	sh7372_init_pm_domain(&sh7372_a4s);
-	sh7372_init_pm_domain(&sh7372_a3sp);
-	sh7372_init_pm_domain(&sh7372_a3sg);
-
-	sh7372_pm_add_subdomain(&sh7372_a4lc, &sh7372_a3rv);
-	sh7372_pm_add_subdomain(&sh7372_a4r, &sh7372_a4lc);
-
-	sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sg);
-	sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sp);
+	rmobile_init_pm_domain(&sh7372_pd_a4lc);
+	rmobile_init_pm_domain(&sh7372_pd_a4mp);
+	rmobile_init_pm_domain(&sh7372_pd_d4);
+	rmobile_init_pm_domain(&sh7372_pd_a4r);
+	rmobile_init_pm_domain(&sh7372_pd_a3rv);
+	rmobile_init_pm_domain(&sh7372_pd_a3ri);
+	rmobile_init_pm_domain(&sh7372_pd_a4s);
+	rmobile_init_pm_domain(&sh7372_pd_a3sp);
+	rmobile_init_pm_domain(&sh7372_pd_a3sg);
+
+	rmobile_pm_add_subdomain(&sh7372_pd_a4lc, &sh7372_pd_a3rv);
+	rmobile_pm_add_subdomain(&sh7372_pd_a4r, &sh7372_pd_a4lc);
+
+	rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sg);
+	rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sp);
 
 	platform_add_devices(sh7372_early_devices,
 			    ARRAY_SIZE(sh7372_early_devices));
@@ -1060,30 +1023,30 @@ void __init sh7372_add_standard_devices(void)
 	platform_add_devices(sh7372_late_devices,
 			    ARRAY_SIZE(sh7372_late_devices));
 
-	sh7372_add_device_to_domain(&sh7372_a3rv, &vpu_device);
-	sh7372_add_device_to_domain(&sh7372_a4mp, &spu0_device);
-	sh7372_add_device_to_domain(&sh7372_a4mp, &spu1_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif0_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif1_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif2_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif3_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif4_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif5_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &scif6_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &iic1_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &dma0_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &dma1_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &dma2_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma0_device);
-	sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma1_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &iic0_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &veu0_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &veu1_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &veu2_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &veu3_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &tmu00_device);
-	sh7372_add_device_to_domain(&sh7372_a4r, &tmu01_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3rv, &vpu_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif2_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif3_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif4_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif5_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif6_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &iic1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma2_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &iic0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu0_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu1_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu2_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu3_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &jpu_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu00_device);
+	rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu01_device);
 }
 
 static void __init sh7372_earlytimer_init(void)
diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c
index d576a6abbad..855b1506caf 100644
--- a/arch/arm/mach-shmobile/setup-sh7377.c
+++ b/arch/arm/mach-shmobile/setup-sh7377.c
@@ -22,6 +22,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/of_platform.h>
 #include <linux/uio_driver.h>
 #include <linux/delay.h>
 #include <linux/input.h>
@@ -500,3 +501,49 @@ void __init sh7377_add_early_devices(void)
 	/* override timer setup with soc-specific code */
 	shmobile_timer.init = sh7377_earlytimer_init;
 }
+
+#ifdef CONFIG_USE_OF
+
+void __init sh7377_add_early_devices_dt(void)
+{
+	shmobile_setup_delay(600, 1, 3); /* Cortex-A8 @ 600MHz */
+
+	early_platform_add_devices(sh7377_early_devices,
+				   ARRAY_SIZE(sh7377_early_devices));
+
+	/* setup early console here as well */
+	shmobile_setup_console();
+}
+
+static const struct of_dev_auxdata sh7377_auxdata_lookup[] __initconst = {
+	{ }
+};
+
+void __init sh7377_add_standard_devices_dt(void)
+{
+	/* clocks are setup late during boot in the case of DT */
+	sh7377_clock_init();
+
+	platform_add_devices(sh7377_early_devices,
+			    ARRAY_SIZE(sh7377_early_devices));
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     sh7377_auxdata_lookup, NULL);
+}
+
+static const char *sh7377_boards_compat_dt[] __initdata = {
+	"renesas,sh7377",
+	NULL,
+};
+
+DT_MACHINE_START(SH7377_DT, "Generic SH7377 (Flattened Device Tree)")
+	.map_io		= sh7377_map_io,
+	.init_early	= sh7377_add_early_devices_dt,
+	.init_irq	= sh7377_init_irq,
+	.handle_irq	= shmobile_handle_irq_intc,
+	.init_machine	= sh7377_add_standard_devices_dt,
+	.timer		= &shmobile_timer,
+	.dt_compat	= sh7377_boards_compat_dt,
+MACHINE_END
+
+#endif /* CONFIG_USE_OF */
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index 04a0dfe7549..d230af656fc 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -30,6 +30,7 @@
 #include <linux/sh_dma.h>
 #include <linux/sh_intc.h>
 #include <linux/sh_timer.h>
+#include <mach/dma-register.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/sh73a0.h>
@@ -415,32 +416,6 @@ static struct platform_device i2c4_device = {
 	.num_resources	= ARRAY_SIZE(i2c4_resources),
 };
 
-/* Transmit sizes and respective CHCR register values */
-enum {
-	XMIT_SZ_8BIT		= 0,
-	XMIT_SZ_16BIT		= 1,
-	XMIT_SZ_32BIT		= 2,
-	XMIT_SZ_64BIT		= 7,
-	XMIT_SZ_128BIT		= 3,
-	XMIT_SZ_256BIT		= 4,
-	XMIT_SZ_512BIT		= 5,
-};
-
-/* log2(size / 8) - used to calculate number of transfers */
-#define TS_SHIFT {			\
-	[XMIT_SZ_8BIT]		= 0,	\
-	[XMIT_SZ_16BIT]		= 1,	\
-	[XMIT_SZ_32BIT]		= 2,	\
-	[XMIT_SZ_64BIT]		= 3,	\
-	[XMIT_SZ_128BIT]	= 4,	\
-	[XMIT_SZ_256BIT]	= 5,	\
-	[XMIT_SZ_512BIT]	= 6,	\
-}
-
-#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2)))
-#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
-#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
-
 static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = {
 	{
 		.slave_id	= SHDMA_SLAVE_SCIF0_TX,
@@ -604,19 +579,17 @@ static const struct sh_dmae_channel sh73a0_dmae_channels[] = {
 	DMAE_CHANNEL(0x8980),
 };
 
-static const unsigned int ts_shift[] = TS_SHIFT;
-
 static struct sh_dmae_pdata sh73a0_dmae_platform_data = {
 	.slave          = sh73a0_dmae_slaves,
 	.slave_num      = ARRAY_SIZE(sh73a0_dmae_slaves),
 	.channel        = sh73a0_dmae_channels,
 	.channel_num    = ARRAY_SIZE(sh73a0_dmae_channels),
-	.ts_low_shift   = 3,
-	.ts_low_mask    = 0x18,
-	.ts_high_shift  = (20 - 2),     /* 2 bits for shifted low TS */
-	.ts_high_mask   = 0x00300000,
-	.ts_shift       = ts_shift,
-	.ts_shift_num   = ARRAY_SIZE(ts_shift),
+	.ts_low_shift   = TS_LOW_SHIFT,
+	.ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
+	.ts_high_shift  = TS_HI_SHIFT,
+	.ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
+	.ts_shift       = dma_ts_shift,
+	.ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
 	.dmaor_init     = DMAOR_DME,
 };
 
@@ -651,6 +624,116 @@ static struct platform_device dma0_device = {
 	},
 };
 
+/* MPDMAC */
+static const struct sh_dmae_slave_config sh73a0_mpdma_slaves[] = {
+	{
+		.slave_id	= SHDMA_SLAVE_FSI2A_RX,
+		.addr		= 0xec230020,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xd6, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2A_TX,
+		.addr		= 0xec230024,
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xd5, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2C_RX,
+		.addr		= 0xec230060,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xda, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2C_TX,
+		.addr		= 0xec230064,
+		.chcr		= CHCR_TX(XMIT_SZ_32BIT),
+		.mid_rid	= 0xd9, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2B_RX,
+		.addr		= 0xec240020,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0x8e, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2B_TX,
+		.addr		= 0xec240024,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0x8d, /* CHECK ME */
+	}, {
+		.slave_id	= SHDMA_SLAVE_FSI2D_RX,
+		.addr		=  0xec240060,
+		.chcr		= CHCR_RX(XMIT_SZ_32BIT),
+		.mid_rid	= 0x9a, /* CHECK ME */
+	},
+};
+
+#define MPDMA_CHANNEL(a, b, c)			\
+{						\
+	.offset		= a,			\
+	.dmars		= b,			\
+	.dmars_bit	= c,			\
+	.chclr_offset	= (0x220 - 0x20) + a	\
+}
+
+static const struct sh_dmae_channel sh73a0_mpdma_channels[] = {
+	MPDMA_CHANNEL(0x00, 0, 0),
+	MPDMA_CHANNEL(0x10, 0, 8),
+	MPDMA_CHANNEL(0x20, 4, 0),
+	MPDMA_CHANNEL(0x30, 4, 8),
+	MPDMA_CHANNEL(0x50, 8, 0),
+	MPDMA_CHANNEL(0x70, 8, 8),
+};
+
+static struct sh_dmae_pdata sh73a0_mpdma_platform_data = {
+	.slave		= sh73a0_mpdma_slaves,
+	.slave_num	= ARRAY_SIZE(sh73a0_mpdma_slaves),
+	.channel	= sh73a0_mpdma_channels,
+	.channel_num	= ARRAY_SIZE(sh73a0_mpdma_channels),
+	.ts_low_shift	= TS_LOW_SHIFT,
+	.ts_low_mask	= TS_LOW_BIT << TS_LOW_SHIFT,
+	.ts_high_shift	= TS_HI_SHIFT,
+	.ts_high_mask	= TS_HI_BIT << TS_HI_SHIFT,
+	.ts_shift	= dma_ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(dma_ts_shift),
+	.dmaor_init	= DMAOR_DME,
+	.chclr_present	= 1,
+};
+
+/* Resource order important! */
+static struct resource sh73a0_mpdma_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xec618020,
+		.end	= 0xec61828f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xec619000,
+		.end	= 0xec61900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "error_irq",
+		.start	= gic_spi(181),
+		.end	= gic_spi(181),
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-5 */
+		.start	= gic_spi(175),
+		.end	= gic_spi(180),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device mpdma0_device = {
+	.name		= "sh-dma-engine",
+	.id		= 1,
+	.resource	= sh73a0_mpdma_resources,
+	.num_resources	= ARRAY_SIZE(sh73a0_mpdma_resources),
+	.dev		= {
+		.platform_data	= &sh73a0_mpdma_platform_data,
+	},
+};
+
 static struct platform_device *sh73a0_early_devices[] __initdata = {
 	&scif0_device,
 	&scif1_device,
@@ -673,6 +756,7 @@ static struct platform_device *sh73a0_late_devices[] __initdata = {
 	&i2c3_device,
 	&i2c4_device,
 	&dma0_device,
+	&mpdma0_device,
 };
 
 #define SRCR2          0xe61580b0