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-rw-r--r--arch/arm/mach-mx5/Kconfig14
-rw-r--r--arch/arm/mach-mx5/Makefile2
-rw-r--r--arch/arm/mach-mx5/board-cpuimx51.c2
-rw-r--r--arch/arm/mach-mx5/board-mx51_babbage.c26
-rw-r--r--arch/arm/mach-mx5/board-mx51_efikamx.c6
-rw-r--r--arch/arm/mach-mx5/board-mx51_efikasb.c15
-rw-r--r--arch/arm/mach-mx5/board-mx53_ard.c254
-rw-r--r--arch/arm/mach-mx5/board-mx53_evk.c17
-rw-r--r--arch/arm/mach-mx5/board-mx53_loco.c39
-rw-r--r--arch/arm/mach-mx5/clock-mx51-mx53.c64
-rw-r--r--arch/arm/mach-mx5/crm_regs.h2
-rw-r--r--arch/arm/mach-mx5/devices-imx53.h8
-rw-r--r--arch/arm/mach-mx5/mm.c44
-rw-r--r--arch/arm/mach-mx5/mx51_efika.c6
-rw-r--r--arch/arm/mach-mx5/pm-imx5.c73
15 files changed, 534 insertions, 38 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index f25e9d7bf0f..b4e7c58bbb3 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -180,6 +180,7 @@ config MACH_MX53_EVK
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
select IMX_HAVE_PLATFORM_SPI_IMX
+ select LEDS_GPIO_REGISTER
help
Include support for MX53 EVK platform. This includes specific
configurations for the board and its peripherals.
@@ -203,10 +204,23 @@ config MACH_MX53_LOCO
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
select IMX_HAVE_PLATFORM_GPIO_KEYS
+ select LEDS_GPIO_REGISTER
help
Include support for MX53 LOCO platform. This includes specific
configurations for the board and its peripherals.
+config MACH_MX53_ARD
+ bool "Support MX53 ARD platforms"
+ select SOC_IMX53
+ select IMX_HAVE_PLATFORM_IMX2_WDT
+ select IMX_HAVE_PLATFORM_IMX_I2C
+ select IMX_HAVE_PLATFORM_IMX_UART
+ select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
+ select IMX_HAVE_PLATFORM_GPIO_KEYS
+ help
+ Include support for MX53 ARD platform. This includes specific
+ configurations for the board and its peripherals.
+
endif # ARCH_MX53_SUPPORTED
endif
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 0b9338cec51..383e7cd3fbc 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -6,12 +6,14 @@
obj-y := cpu.o mm.o clock-mx51-mx53.o devices.o ehci.o system.o
obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
+obj-$(CONFIG_PM) += pm-imx5.o
obj-$(CONFIG_CPU_FREQ_IMX) += cpu_op-mx51.o
obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
obj-$(CONFIG_MACH_MX53_EVK) += board-mx53_evk.o
obj-$(CONFIG_MACH_MX53_SMD) += board-mx53_smd.o
obj-$(CONFIG_MACH_MX53_LOCO) += board-mx53_loco.o
+obj-$(CONFIG_MACH_MX53_ARD) += board-mx53_ard.o
obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o
obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o
diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c
index 7c893fa7026..68934ea8725 100644
--- a/arch/arm/mach-mx5/board-cpuimx51.c
+++ b/arch/arm/mach-mx5/board-cpuimx51.c
@@ -81,7 +81,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
}, {
.mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x2000000),
- .irq = irq_to_gpio(CPUIMX51_QUARTD_GPIO),
+ .irq = gpio_to_irq(CPUIMX51_QUARTD_GPIO),
.irqflags = IRQF_TRIGGER_HIGH,
.uartclk = CPUIMX51_QUART_XTAL,
.regshift = CPUIMX51_QUART_REGSHIFT,
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index e54e4bf61cf..11b0ff67f89 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -41,6 +41,8 @@
#define BABBAGE_POWER_KEY IMX_GPIO_NR(2, 21)
#define BABBAGE_ECSPI1_CS0 IMX_GPIO_NR(4, 24)
#define BABBAGE_ECSPI1_CS1 IMX_GPIO_NR(4, 25)
+#define BABBAGE_SD2_CD IMX_GPIO_NR(1, 6)
+#define BABBAGE_SD2_WP IMX_GPIO_NR(1, 5)
/* USB_CTRL_1 */
#define MX51_USB_CTRL_1_OFFSET 0x10
@@ -142,6 +144,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = {
MX51_PAD_SD1_DATA1__SD1_DATA1,
MX51_PAD_SD1_DATA2__SD1_DATA2,
MX51_PAD_SD1_DATA3__SD1_DATA3,
+ /* CD/WP from controller */
+ MX51_PAD_GPIO1_0__SD1_CD,
+ MX51_PAD_GPIO1_1__SD1_WP,
/* SD 2 */
MX51_PAD_SD2_CMD__SD2_CMD,
@@ -150,6 +155,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = {
MX51_PAD_SD2_DATA1__SD2_DATA1,
MX51_PAD_SD2_DATA2__SD2_DATA2,
MX51_PAD_SD2_DATA3__SD2_DATA3,
+ /* CD/WP gpio */
+ MX51_PAD_GPIO1_6__GPIO1_6,
+ MX51_PAD_GPIO1_5__GPIO1_5,
/* eCSPI1 */
MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
@@ -331,6 +339,18 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = {
.num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs),
};
+static const struct esdhc_platform_data mx51_babbage_sd1_data __initconst = {
+ .cd_type = ESDHC_CD_CONTROLLER,
+ .wp_type = ESDHC_WP_CONTROLLER,
+};
+
+static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = {
+ .cd_gpio = BABBAGE_SD2_CD,
+ .wp_gpio = BABBAGE_SD2_WP,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_GPIO,
+};
+
/*
* Board specific initialization.
*/
@@ -349,7 +369,7 @@ static void __init mx51_babbage_init(void)
ARRAY_SIZE(mx51babbage_pads));
imx51_add_imx_uart(0, &uart_pdata);
- imx51_add_imx_uart(1, &uart_pdata);
+ imx51_add_imx_uart(1, NULL);
imx51_add_imx_uart(2, &uart_pdata);
babbage_fec_reset();
@@ -376,8 +396,8 @@ static void __init mx51_babbage_init(void)
mxc_iomux_v3_setup_pad(usbh1stp);
babbage_usbhub_reset();
- imx51_add_sdhci_esdhc_imx(0, NULL);
- imx51_add_sdhci_esdhc_imx(1, NULL);
+ imx51_add_sdhci_esdhc_imx(0, &mx51_babbage_sd1_data);
+ imx51_add_sdhci_esdhc_imx(1, &mx51_babbage_sd2_data);
spi_register_board_info(mx51_babbage_spi_board_info,
ARRAY_SIZE(mx51_babbage_spi_board_info));
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index f70700dc0ec..551daf85ff8 100644
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -108,9 +108,9 @@ static void __init mx51_efikamx_board_id(void)
gpio_request(EFIKAMX_PCBID2, "pcbid2");
gpio_direction_input(EFIKAMX_PCBID2);
- id = gpio_get_value(EFIKAMX_PCBID0);
- id |= gpio_get_value(EFIKAMX_PCBID1) << 1;
- id |= gpio_get_value(EFIKAMX_PCBID2) << 2;
+ id = gpio_get_value(EFIKAMX_PCBID0) ? 1 : 0;
+ id |= (gpio_get_value(EFIKAMX_PCBID1) ? 1 : 0) << 1;
+ id |= (gpio_get_value(EFIKAMX_PCBID2) ? 1 : 0) << 2;
switch (id) {
case 7:
diff --git a/arch/arm/mach-mx5/board-mx51_efikasb.c b/arch/arm/mach-mx5/board-mx51_efikasb.c
index 2e4d9d32a87..8a9bca22beb 100644
--- a/arch/arm/mach-mx5/board-mx51_efikasb.c
+++ b/arch/arm/mach-mx5/board-mx51_efikasb.c
@@ -156,23 +156,24 @@ static struct gpio_keys_button mx51_efikasb_keys[] = {
{
.code = KEY_POWER,
.gpio = EFIKASB_PWRKEY,
- .type = EV_PWR,
+ .type = EV_KEY,
.desc = "Power Button",
.wakeup = 1,
- .debounce_interval = 10, /* ms */
+ .active_low = 1,
},
{
.code = SW_LID,
.gpio = EFIKASB_LID,
.type = EV_SW,
.desc = "Lid Switch",
+ .active_low = 1,
},
{
- /* SW_RFKILLALL vs KEY_RFKILL ? */
- .code = SW_RFKILL_ALL,
+ .code = KEY_RFKILL,
.gpio = EFIKASB_RFKILL,
- .type = EV_SW,
+ .type = EV_KEY,
.desc = "rfkill",
+ .active_low = 1,
},
};
@@ -224,8 +225,8 @@ static void __init mx51_efikasb_board_id(void)
gpio_request(EFIKASB_PCBID1, "pcb id1");
gpio_direction_input(EFIKASB_PCBID1);
- id = gpio_get_value(EFIKASB_PCBID0);
- id |= gpio_get_value(EFIKASB_PCBID1) << 1;
+ id = gpio_get_value(EFIKASB_PCBID0) ? 1 : 0;
+ id |= (gpio_get_value(EFIKASB_PCBID1) ? 1 : 0) << 1;
switch (id) {
default:
diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c
new file mode 100644
index 00000000000..76a67c4a2a0
--- /dev/null
+++ b/arch/arm/mach-mx5/board-mx53_ard.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/iomux-mx53.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "crm_regs.h"
+#include "devices-imx53.h"
+
+#define ARD_ETHERNET_INT_B IMX_GPIO_NR(2, 31)
+#define ARD_SD1_CD IMX_GPIO_NR(1, 1)
+#define ARD_SD1_WP IMX_GPIO_NR(1, 9)
+#define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3)
+#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0)
+#define ARD_HOME IMX_GPIO_NR(5, 10)
+#define ARD_BACK IMX_GPIO_NR(5, 11)
+#define ARD_PROG IMX_GPIO_NR(5, 12)
+#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13)
+
+static iomux_v3_cfg_t mx53_ard_pads[] = {
+ /* UART1 */
+ MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
+ MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
+ /* WEIM for CS1 */
+ MX53_PAD_EIM_EB3__GPIO2_31, /* ETHERNET_INT_B */
+ MX53_PAD_EIM_D16__EMI_WEIM_D_16,
+ MX53_PAD_EIM_D17__EMI_WEIM_D_17,
+ MX53_PAD_EIM_D18__EMI_WEIM_D_18,
+ MX53_PAD_EIM_D19__EMI_WEIM_D_19,
+ MX53_PAD_EIM_D20__EMI_WEIM_D_20,
+ MX53_PAD_EIM_D21__EMI_WEIM_D_21,
+ MX53_PAD_EIM_D22__EMI_WEIM_D_22,
+ MX53_PAD_EIM_D23__EMI_WEIM_D_23,
+ MX53_PAD_EIM_D24__EMI_WEIM_D_24,
+ MX53_PAD_EIM_D25__EMI_WEIM_D_25,
+ MX53_PAD_EIM_D26__EMI_WEIM_D_26,
+ MX53_PAD_EIM_D27__EMI_WEIM_D_27,
+ MX53_PAD_EIM_D28__EMI_WEIM_D_28,
+ MX53_PAD_EIM_D29__EMI_WEIM_D_29,
+ MX53_PAD_EIM_D30__EMI_WEIM_D_30,
+ MX53_PAD_EIM_D31__EMI_WEIM_D_31,
+ MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
+ MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
+ MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
+ MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
+ MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
+ MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
+ MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
+ MX53_PAD_EIM_OE__EMI_WEIM_OE,
+ MX53_PAD_EIM_RW__EMI_WEIM_RW,
+ MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
+ /* SDHC1 */
+ MX53_PAD_SD1_CMD__ESDHC1_CMD,
+ MX53_PAD_SD1_CLK__ESDHC1_CLK,
+ MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
+ MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
+ MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
+ MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
+ MX53_PAD_PATA_DATA8__ESDHC1_DAT4,
+ MX53_PAD_PATA_DATA9__ESDHC1_DAT5,
+ MX53_PAD_PATA_DATA10__ESDHC1_DAT6,
+ MX53_PAD_PATA_DATA11__ESDHC1_DAT7,
+ MX53_PAD_GPIO_1__GPIO1_1,
+ MX53_PAD_GPIO_9__GPIO1_9,
+ /* I2C2 */
+ MX53_PAD_EIM_EB2__I2C2_SCL,
+ MX53_PAD_KEY_ROW3__I2C2_SDA,
+ /* I2C3 */
+ MX53_PAD_GPIO_3__I2C3_SCL,
+ MX53_PAD_GPIO_16__I2C3_SDA,
+ /* GPIO */
+ MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */
+ MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */
+ MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */
+ MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */
+ MX53_PAD_GPIO_10__GPIO4_0, /* vol down */
+};
+
+#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
+{ \
+ .gpio = gpio_num, \
+ .type = EV_KEY, \
+ .code = ev_code, \
+ .active_low = act_low, \
+ .desc = "btn " descr, \
+ .wakeup = wake, \
+}
+
+static struct gpio_keys_button ard_buttons[] = {
+ GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0),
+ GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0),
+ GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0),
+ GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0),
+ GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0),
+};
+
+static const struct gpio_keys_platform_data ard_button_data __initconst = {
+ .buttons = ard_buttons,
+ .nbuttons = ARRAY_SIZE(ard_buttons),
+};
+
+static struct resource ard_smsc911x_resources[] = {
+ {
+ .start = MX53_CS1_64MB_BASE_ADDR,
+ .end = MX53_CS1_64MB_BASE_ADDR + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = gpio_to_irq(ARD_ETHERNET_INT_B),
+ .end = gpio_to_irq(ARD_ETHERNET_INT_B),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct smsc911x_platform_config ard_smsc911x_config = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_32BIT,
+};
+
+static struct platform_device ard_smsc_lan9220_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ard_smsc911x_resources),
+ .resource = ard_smsc911x_resources,
+ .dev = {
+ .platform_data = &ard_smsc911x_config,
+ },
+};
+
+static const struct esdhc_platform_data mx53_ard_sd1_data __initconst = {
+ .cd_gpio = ARD_SD1_CD,
+ .wp_gpio = ARD_SD1_WP,
+};
+
+static struct imxi2c_platform_data mx53_ard_i2c2_data = {
+ .bitrate = 50000,
+};
+
+static struct imxi2c_platform_data mx53_ard_i2c3_data = {
+ .bitrate = 400000,
+};
+
+static void __init mx53_ard_io_init(void)
+{
+ mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
+ ARRAY_SIZE(mx53_ard_pads));
+
+ gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
+ gpio_direction_input(ARD_ETHERNET_INT_B);
+
+ gpio_request(ARD_I2CPORTEXP_B, "i2cptexp-rst");
+ gpio_direction_output(ARD_I2CPORTEXP_B, 1);
+}
+
+/* Config CS1 settings for ethernet controller */
+static int weim_cs_config(void)
+{
+ u32 reg;
+ void __iomem *weim_base, *iomuxc_base;
+
+ weim_base = ioremap(MX53_WEIM_BASE_ADDR, SZ_4K);
+ if (!weim_base)
+ return -ENOMEM;
+
+ iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K);
+ if (!iomuxc_base)
+ return -ENOMEM;
+
+ /* CS1 timings for LAN9220 */
+ writel(0x20001, (weim_base + 0x18));
+ writel(0x0, (weim_base + 0x1C));
+ writel(0x16000202, (weim_base + 0x20));
+ writel(0x00000002, (weim_base + 0x24));
+ writel(0x16002082, (weim_base + 0x28));
+ writel(0x00000000, (weim_base + 0x2C));
+ writel(0x00000000, (weim_base + 0x90));
+
+ /* specify 64 MB on CS1 and CS0 on GPR1 */
+ reg = readl(iomuxc_base + 0x4);
+ reg &= ~0x3F;
+ reg |= 0x1B;
+ writel(reg, (iomuxc_base + 0x4));
+
+ iounmap(iomuxc_base);
+ iounmap(weim_base);
+
+ return 0;
+}
+
+static struct platform_device *devices[] __initdata = {
+ &ard_smsc_lan9220_device,
+};
+
+static void __init mx53_ard_board_init(void)
+{
+ imx53_soc_init();
+ imx53_add_imx_uart(0, NULL);
+
+ mx53_ard_io_init();
+ weim_cs_config();
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data);
+ imx53_add_imx2_wdt(0, NULL);
+ imx53_add_imx_i2c(1, &mx53_ard_i2c2_data);
+ imx53_add_imx_i2c(2, &mx53_ard_i2c3_data);
+ imx_add_gpio_keys(&ard_button_data);
+}
+
+static void __init mx53_ard_timer_init(void)
+{
+ mx53_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mx53_ard_timer = {
+ .init = mx53_ard_timer_init,
+};
+
+MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board")
+ .map_io = mx53_map_io,
+ .init_early = imx53_init_early,
+ .init_irq = mx53_init_irq,
+ .timer = &mx53_ard_timer,
+ .init_machine = mx53_ard_board_init,
+MACHINE_END
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 0d9218a6e2d..1b417b06b73 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -35,6 +35,7 @@
#define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6)
#define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30)
#define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19)
+#define MX53EVK_LED IMX_GPIO_NR(7, 7)
#include "crm_regs.h"
#include "devices-imx53.h"
@@ -58,12 +59,27 @@ static iomux_v3_cfg_t mx53_evk_pads[] = {
/* ecspi chip select lines */
MX53_PAD_EIM_EB2__GPIO2_30,
MX53_PAD_EIM_D19__GPIO3_19,
+ /* LED */
+ MX53_PAD_PATA_DA_1__GPIO7_7,
};
static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
+static const struct gpio_led mx53evk_leds[] __initconst = {
+ {
+ .name = "green",
+ .default_trigger = "heartbeat",
+ .gpio = MX53EVK_LED,
+ },
+};
+
+static const struct gpio_led_platform_data mx53evk_leds_data __initconst = {
+ .leds = mx53evk_leds,
+ .num_leds = ARRAY_SIZE(mx53evk_leds),
+};
+
static inline void mx53_evk_init_uart(void)
{
imx53_add_imx_uart(0, NULL);
@@ -135,6 +151,7 @@ static void __init mx53_evk_board_init(void)
ARRAY_SIZE(mx53_evk_spi_board_info));
imx53_add_ecspi(0, &mx53_evk_spi_data);
imx53_add_imx2_wdt(0, NULL);
+ gpio_led_register_device(-1, &mx53evk_leds_data);
}
static void __init mx53_evk_timer_init(void)
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 359c3e248ad..4e1d51d252d 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -38,6 +38,10 @@
#define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
#define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
+#define LOCO_LED IMX_GPIO_NR(7, 7)
+#define LOCO_SD3_CD IMX_GPIO_NR(3, 11)
+#define LOCO_SD3_WP IMX_GPIO_NR(3, 12)
+#define LOCO_SD1_CD IMX_GPIO_NR(3, 13)
static iomux_v3_cfg_t mx53_loco_pads[] = {
/* FEC */
@@ -70,6 +74,8 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
+ /* SD1_CD */
+ MX53_PAD_EIM_DA13__GPIO3_13,
/* SD3 */
MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
@@ -163,7 +169,7 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
MX53_PAD_GPIO_7__SPDIF_PLOCK,
MX53_PAD_GPIO_17__SPDIF_OUT1,
/* GPIO */
- MX53_PAD_PATA_DA_1__GPIO7_7,
+ MX53_PAD_PATA_DA_1__GPIO7_7, /* LED */
MX53_PAD_PATA_DA_2__GPIO7_8,
MX53_PAD_PATA_DATA5__GPIO2_5,
MX53_PAD_PATA_DATA6__GPIO2_6,
@@ -202,6 +208,19 @@ static const struct gpio_keys_platform_data loco_button_data __initconst = {
.nbuttons = ARRAY_SIZE(loco_buttons),
};
+static const struct esdhc_platform_data mx53_loco_sd1_data __initconst = {
+ .cd_gpio = LOCO_SD1_CD,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_NONE,
+};
+
+static const struct esdhc_platform_data mx53_loco_sd3_data __initconst = {
+ .cd_gpio = LOCO_SD3_CD,
+ .wp_gpio = LOCO_SD3_WP,
+ .cd_type = ESDHC_CD_GPIO,
+ .wp_type = ESDHC_WP_GPIO,
+};
+
static inline void mx53_loco_fec_reset(void)
{
int ret;
@@ -225,6 +244,19 @@ static const struct imxi2c_platform_data mx53_loco_i2c_data __initconst = {
.bitrate = 100000,
};
+static const struct gpio_led mx53loco_leds[] __initconst = {
+ {
+ .name = "green",
+ .default_trigger = "heartbeat",
+ .gpio = LOCO_LED,
+ },
+};
+
+static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {
+ .leds = mx53loco_leds,
+ .num_leds = ARRAY_SIZE(mx53loco_leds),
+};
+
static void __init mx53_loco_board_init(void)
{
imx53_soc_init();
@@ -237,9 +269,10 @@ static void __init mx53_loco_board_init(void)
imx53_add_imx2_wdt(0, NULL);
imx53_add_imx_i2c(0, &mx53_loco_i2c_data);
imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
- imx53_add_sdhci_esdhc_imx(0, NULL);
- imx53_add_sdhci_esdhc_imx(2, NULL);
+ imx53_add_sdhci_esdhc_imx(0, &mx53_loco_sd1_data);
+ imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
imx_add_gpio_keys(&loco_button_data);
+ gpio_led_register_device(-1, &mx53loco_leds_data);
}
static void __init mx53_loco_timer_init(void)
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 0adeea17d12..f7bf996f463 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -271,7 +271,11 @@ static int _clk_pll_enable(struct clk *clk)
int i = 0;
pllbase = _get_pll_base(clk);
- reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN;
+ reg = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+ if (reg & MXC_PLL_DP_CTL_UPEN)
+ return 0;
+
+ reg |= MXC_PLL_DP_CTL_UPEN;
__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
/* Wait for lock */
@@ -1254,12 +1258,20 @@ DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET,
NULL, NULL, &ipg_clk, &aips_tz1_clk);
DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET,
NULL, NULL, &ipg_clk, &spba_clk);
+DEFINE_CLOCK(uart4_ipg_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG4_OFFSET,
+ NULL, NULL, &ipg_clk, &spba_clk);
+DEFINE_CLOCK(uart5_ipg_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG6_OFFSET,
+ NULL, NULL, &ipg_clk, &spba_clk);
DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET,
NULL, NULL, &uart_root_clk, &uart1_ipg_clk);
DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET,
NULL, NULL, &uart_root_clk, &uart2_ipg_clk);
DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET,
NULL, NULL, &uart_root_clk, &uart3_ipg_clk);
+DEFINE_CLOCK(uart4_clk, 3, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG5_OFFSET,
+ NULL, NULL, &uart_root_clk, &uart4_ipg_clk);
+DEFINE_CLOCK(uart5_clk, 4, MXC_CCM_CCGR7, MXC_CCM_CCGRx_CG7_OFFSET,
+ NULL, NULL, &uart_root_clk, &uart5_ipg_clk);
/* GPT */
DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
@@ -1279,6 +1291,8 @@ DEFINE_CLOCK(i2c2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG10_OFFSET,
NULL, NULL, &ipg_perclk, NULL);
DEFINE_CLOCK(hsi2c_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET,
NULL, NULL, &ipg_clk, NULL);
+DEFINE_CLOCK(i2c3_mx53_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET,
+ NULL, NULL, &ipg_perclk, NULL);
/* FEC */
DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET,
@@ -1412,11 +1426,13 @@ DEFINE_CLOCK(ipu_di1_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG6_OFFSET,
},
static struct clk_lookup mx51_lookups[] = {
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+ /* i.mx51 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ /* i.mx51 has the i.mx27 type fec */
+ _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("mxc_pwm.0", "pwm", pwm1_clk)
_REGISTER_CLOCK("mxc_pwm.1", "pwm", pwm2_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
@@ -1436,7 +1452,8 @@ static struct clk_lookup mx51_lookups[] = {
_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
_REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk)
- _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk)
+ /* i.mx51 has the i.mx35 type sdma */
+ _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
_REGISTER_CLOCK(NULL, "ckih", ckih_clk)
_REGISTER_CLOCK(NULL, "ckih2", ckih2_clk)
_REGISTER_CLOCK(NULL, "gpt_32k", gpt_32k_clk)
@@ -1444,10 +1461,10 @@ static struct clk_lookup mx51_lookups[] = {
_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
/* i.mx51 has the i.mx35 type cspi */
_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.1", NULL, esdhc2_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.2", NULL, esdhc3_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx51.3", NULL, esdhc4_clk)
_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
@@ -1460,25 +1477,36 @@ static struct clk_lookup mx51_lookups[] = {
};
static struct clk_lookup mx53_lookups[] = {
- _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
- _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
- _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+ /* i.mx53 has the i.mx21 type uart */
+ _REGISTER_CLOCK("imx21-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx21-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx21-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK("imx21-uart.3", NULL, uart4_clk)
+ _REGISTER_CLOCK("imx21-uart.4", NULL, uart5_clk)
_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
- _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+ /* i.mx53 has the i.mx25 type fec */
+ _REGISTER_CLOCK("imx25-fec.0", NULL, fec_clk)
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.2", NULL, esdhc3_mx53_clk)
- _REGISTER_CLOCK("sdhci-esdhc-imx.3", NULL, esdhc4_mx53_clk)
+ _REGISTER_CLOCK("imx-i2c.2", NULL, i2c3_mx53_clk)
/* i.mx53 has the i.mx51 type ecspi */
_REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk)
_REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk)
/* i.mx53 has the i.mx25 type cspi */
_REGISTER_CLOCK("imx35-cspi.0", NULL, cspi_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.0", NULL, esdhc1_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.1", NULL, esdhc2_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.2", NULL, esdhc3_mx53_clk)
+ _REGISTER_CLOCK("sdhci-esdhc-imx53.3", NULL, esdhc4_mx53_clk)
_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
_REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk)
+ /* i.mx53 has the i.mx35 type sdma */
+ _REGISTER_CLOCK("imx35-sdma", NULL, sdma_clk)
+ _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
+ _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
+ _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk)
+ _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk)
};
static void clk_tree_init(void)
diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h
index 87c0c58f27a..5e11ba7daee 100644
--- a/arch/arm/mach-mx5/crm_regs.h
+++ b/arch/arm/mach-mx5/crm_regs.h
@@ -114,6 +114,8 @@
#define MXC_CCM_CCGR4 (MX51_CCM_BASE + 0x78)
#define MXC_CCM_CCGR5 (MX51_CCM_BASE + 0x7C)
#define MXC_CCM_CCGR6 (MX51_CCM_BASE + 0x80)
+#define MXC_CCM_CCGR7 (MX51_CCM_BASE + 0x84)
+
#define MXC_CCM_CMEOR (MX51_CCM_BASE + 0x84)
/* Define the bits in register CCR */
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index 48f4c8cc42f..c27fe8bb476 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -32,3 +32,11 @@ extern const struct imx_spi_imx_data imx53_ecspi_data[];
extern const struct imx_imx2_wdt_data imx53_imx2_wdt_data[];
#define imx53_add_imx2_wdt(id, pdata) \
imx_add_imx2_wdt(&imx53_imx2_wdt_data[id])
+
+extern const struct imx_imx_ssi_data imx53_imx_ssi_data[];
+#define imx53_add_imx_ssi(id, pdata) \
+ imx_add_imx_ssi(&imx53_imx_ssi_data[id], pdata)
+
+extern const struct imx_imx_keypad_data imx53_imx_keypad_data;
+#define imx53_add_imx_keypad(pdata) \
+ imx_add_imx_keypad(&imx53_imx_keypad_data, pdata)
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index 665843d6c2b..baea6e5cddd 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -18,6 +18,7 @@
#include <mach/hardware.h>
#include <mach/common.h>
+#include <mach/devices-common.h>
#include <mach/iomux-v3.h>
/*
@@ -100,6 +101,43 @@ void __init mx53_init_irq(void)
tzic_init_irq(tzic_virt);
}
+static struct sdma_script_start_addrs imx51_sdma_script __initdata = {
+ .ap_2_ap_addr = 642,
+ .uart_2_mcu_addr = 817,
+ .mcu_2_app_addr = 747,
+ .mcu_2_shp_addr = 961,
+ .ata_2_mcu_addr = 1473,
+ .mcu_2_ata_addr = 1392,
+ .app_2_per_addr = 1033,
+ .app_2_mcu_addr = 683,
+ .shp_2_per_addr = 1251,
+ .shp_2_mcu_addr = 892,
+};
+
+static struct sdma_platform_data imx51_sdma_pdata __initdata = {
+ .fw_name = "sdma-imx51.bin",
+ .script_addrs = &imx51_sdma_script,
+};
+
+static struct sdma_script_start_addrs imx53_sdma_script __initdata = {
+ .ap_2_ap_addr = 642,
+ .app_2_mcu_addr = 683,
+ .mcu_2_app_addr = 747,
+ .uart_2_mcu_addr = 817,
+ .shp_2_mcu_addr = 891,
+ .mcu_2_shp_addr = 960,
+ .uartsh_2_mcu_addr = 1032,
+ .spdif_2_mcu_addr = 1100,
+ .mcu_2_spdif_addr = 1134,
+ .firi_2_mcu_addr = 1193,
+ .mcu_2_firi_addr = 1290,
+};
+
+static struct sdma_platform_data imx53_sdma_pdata __initdata = {
+ .fw_name = "sdma-imx53.bin",
+ .script_addrs = &imx53_sdma_script,
+};
+
void __init imx51_soc_init(void)
{
/* i.mx51 has the i.mx31 type gpio */
@@ -107,6 +145,9 @@ void __init imx51_soc_init(void)
mxc_register_gpio("imx31-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO2_LOW, MX51_MXC_INT_GPIO2_HIGH);
mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO3_LOW, MX51_MXC_INT_GPIO3_HIGH);
mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_MXC_INT_GPIO4_LOW, MX51_MXC_INT_GPIO4_HIGH);
+
+ /* i.mx51 has the i.mx35 type sdma */
+ imx_add_imx_sdma("imx35-sdma", MX51_SDMA_BASE_ADDR, MX51_INT_SDMA, &imx51_sdma_pdata);
}
void __init imx53_soc_init(void)
@@ -119,4 +160,7 @@ void __init imx53_soc_init(void)
mxc_register_gpio("imx31-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH);
mxc_register_gpio("imx31-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH);
mxc_register_gpio("imx31-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH);
+
+ /* i.mx53 has the i.mx35 type sdma */
+ imx_add_imx_sdma("imx35-sdma", MX53_SDMA_BASE_ADDR, MX53_INT_SDMA, &imx53_sdma_pdata);
}
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
index 56739c23aca..c9209454807 100644
--- a/arch/arm/mach-mx5/mx51_efika.c
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -186,7 +186,7 @@ static int initialize_usbh1_port(struct platform_device *pdev)
mdelay(10);
- return mx51_initialize_usb_hw(0, MXC_EHCI_ITC_NO_THRESHOLD);
+ return mx51_initialize_usb_hw(pdev->id, MXC_EHCI_ITC_NO_THRESHOLD);
}
static struct mxc_usbh_platform_data usbh1_config = {
@@ -260,8 +260,8 @@ static struct regulator_consumer_supply vvideo_consumers[] = {
};
static struct regulator_consumer_supply vsd_consumers[] = {
- REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.0"),
- REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.1"),
+ REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.0"),
+ REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx51.1"),
};
static struct regulator_consumer_supply pwgt1_consumer[] = {
diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
new file mode 100644
index 00000000000..e4529af0da7
--- /dev/null
+++ b/arch/arm/mach-mx5/pm-imx5.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#include <linux/suspend.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <mach/system.h>
+#include "crm_regs.h"
+
+static struct clk *gpc_dvfs_clk;
+
+static int mx5_suspend_enter(suspend_state_t state)
+{
+ clk_enable(gpc_dvfs_clk);
+ switch (state) {
+ case PM_SUSPEND_MEM:
+ mx5_cpu_lp_set(STOP_POWER_OFF);
+ break;
+ case PM_SUSPEND_STANDBY:
+ mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (state == PM_SUSPEND_MEM) {
+ local_flush_tlb_all();
+ flush_cache_all();
+
+ /*clear the EMPGC0/1 bits */
+ __raw_writel(0, MXC_SRPG_EMPGC0_SRPGCR);
+ __raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
+ }
+ cpu_do_idle();
+ clk_disable(gpc_dvfs_clk);
+
+ return 0;
+}
+
+static int mx5_pm_valid(suspend_state_t state)
+{
+ return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
+}
+
+static const struct platform_suspend_ops mx5_suspend_ops = {
+ .valid = mx5_pm_valid,
+ .enter = mx5_suspend_enter,
+};
+
+static int __init mx5_pm_init(void)
+{
+ if (gpc_dvfs_clk == NULL)
+ gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
+
+ if (!IS_ERR(gpc_dvfs_clk)) {
+ if (cpu_is_mx51())
+ suspend_set_ops(&mx5_suspend_ops);
+ } else
+ return -EPERM;
+
+ return 0;
+}
+device_initcall(mx5_pm_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 13:23:48 +0000