7 files changed, 136 insertions, 9 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index fdb0290b89e..4179056f458 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -105,7 +105,8 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-cloudbox.dtb \
 	kirkwood-ts219-6282.dtb
 dtb-$(CONFIG_ARCH_MARCO) += marco-evb.dtb
 dtb-$(CONFIG_ARCH_MSM) += qcom-msm8660-surf.dtb \
-	qcom-msm8960-cdp.dtb
+	qcom-msm8960-cdp.dtb \
+	qcom-apq8074-dragonboard.dtb
 dtb-$(CONFIG_ARCH_MVEBU) += armada-370-db.dtb \
 	armada-370-mirabox.dtb \
 	armada-370-netgear-rn102.dtb \
diff --git a/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
new file mode 100644
index 00000000000..13ac3e22249
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-apq8074-dragonboard.dts
@@ -0,0 +1,6 @@
+#include "qcom-msm8974.dtsi"
+
+/ {
+	model = "Qualcomm APQ8074 Dragonboard";
+	compatible = "qcom,apq8074-dragonboard", "qcom,apq8074";
+};
diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
new file mode 100644
index 00000000000..6ac94967d2d
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
@@ -0,0 +1,97 @@
+/dts-v1/;
+
+#include "skeleton.dtsi"
+
+/ {
+	model = "Qualcomm MSM8974";
+	compatible = "qcom,msm8974";
+	interrupt-parent = <&intc>;
+
+	soc: soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		compatible = "simple-bus";
+
+		intc: interrupt-controller@f9000000 {
+			compatible = "qcom,msm-qgic2";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			reg = <0xf9000000 0x1000>,
+			      <0xf9002000 0x1000>;
+		};
+
+		timer {
+			compatible = "arm,armv7-timer";
+			interrupts = <1 2 0xf08>,
+				     <1 3 0xf08>,
+				     <1 4 0xf08>,
+				     <1 1 0xf08>;
+			clock-frequency = <19200000>;
+		};
+
+		timer@f9020000 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			compatible = "arm,armv7-timer-mem";
+			reg = <0xf9020000 0x1000>;
+			clock-frequency = <19200000>;
+
+			frame@f9021000 {
+				frame-number = <0>;
+				interrupts = <0 8 0x4>,
+					     <0 7 0x4>;
+				reg = <0xf9021000 0x1000>,
+				      <0xf9022000 0x1000>;
+			};
+
+			frame@f9023000 {
+				frame-number = <1>;
+				interrupts = <0 9 0x4>;
+				reg = <0xf9023000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@f9024000 {
+				frame-number = <2>;
+				interrupts = <0 10 0x4>;
+				reg = <0xf9024000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@f9025000 {
+				frame-number = <3>;
+				interrupts = <0 11 0x4>;
+				reg = <0xf9025000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@f9026000 {
+				frame-number = <4>;
+				interrupts = <0 12 0x4>;
+				reg = <0xf9026000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@f9027000 {
+				frame-number = <5>;
+				interrupts = <0 13 0x4>;
+				reg = <0xf9027000 0x1000>;
+				status = "disabled";
+			};
+
+			frame@f9028000 {
+				frame-number = <6>;
+				interrupts = <0 14 0x4>;
+				reg = <0xf9028000 0x1000>;
+				status = "disabled";
+			};
+		};
+
+		restart@fc4ab000 {
+			compatible = "qcom,pshold";
+			reg = <0xfc4ab000 0x4>;
+		};
+	};
+};
diff --git a/arch/arm/configs/msm_defconfig b/arch/arm/configs/msm_defconfig
index 690b5f9c746..c5698b7ce44 100644
--- a/arch/arm/configs/msm_defconfig
+++ b/arch/arm/configs/msm_defconfig
@@ -20,6 +20,7 @@ CONFIG_PARTITION_ADVANCED=y
 CONFIG_ARCH_MSM=y
 CONFIG_ARCH_MSM8X60=y
 CONFIG_ARCH_MSM8960=y
+CONFIG_ARCH_MSM8974=y
 CONFIG_SMP=y
 CONFIG_PREEMPT=y
 CONFIG_AEABI=y
@@ -88,6 +89,8 @@ CONFIG_SSBI=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
 CONFIG_POWER_SUPPLY=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_MSM=y
 CONFIG_THERMAL=y
 CONFIG_REGULATOR=y
 CONFIG_MEDIA_SUPPORT=y
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 2586c286587..702553b9613 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -44,6 +44,7 @@ endchoice
 
 config ARCH_MSM8X60
 	bool "MSM8X60"
+	select ARCH_MSM_DT
 	select ARM_GIC
 	select CPU_V7
 	select GPIO_MSM_V2
@@ -52,15 +53,25 @@ config ARCH_MSM8X60
 
 config ARCH_MSM8960
 	bool "MSM8960"
+	select ARCH_MSM_DT
 	select ARM_GIC
 	select CPU_V7
 	select HAVE_SMP
 	select GPIO_MSM_V2
 	select MSM_SCM if SMP
 
+config ARCH_MSM8974
+	bool "MSM8974"
+	select ARCH_MSM_DT
+	select ARM_GIC
+	select CPU_V7
+	select HAVE_ARM_ARCH_TIMER
+	select HAVE_SMP
+	select MSM_SCM if SMP
+	select USE_OF
+
 config ARCH_MSM_DT
-	def_bool y
-	depends on (ARCH_MSM8X60 || ARCH_MSM8960)
+	bool
 	select SPARSE_IRQ
 	select USE_OF
 
diff --git a/arch/arm/mach-msm/board-dt.c b/arch/arm/mach-msm/board-dt.c
index 16e6183ac9f..1f11d93e700 100644
--- a/arch/arm/mach-msm/board-dt.c
+++ b/arch/arm/mach-msm/board-dt.c
@@ -26,7 +26,16 @@ static const char * const msm_dt_match[] __initconst = {
 	NULL
 };
 
+static const char * const apq8074_dt_match[] __initconst = {
+	"qcom,apq8074-dragonboard",
+	NULL
+};
+
 DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
 	.smp = smp_ops(msm_smp_ops),
 	.dt_compat = msm_dt_match,
 MACHINE_END
+
+DT_MACHINE_START(APQ_DT, "Qualcomm MSM (Flattened Device Tree)")
+	.dt_compat = apq8074_dt_match,
+MACHINE_END
diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index ccf6621bc66..015d544aa01 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  *
  */
+#define pr_fmt(fmt) "%s: " fmt, __func__
 
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -68,12 +69,11 @@ static void __init trout_init(void)
 
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
-#ifdef CONFIG_MMC
-        rc = trout_init_mmc(system_rev);
-        if (rc)
-                printk(KERN_CRIT "%s: MMC init failure (%d)\n", __func__, rc);
-#endif
-
+	if (IS_ENABLED(CONFIG_MMC)) {
+		rc = trout_init_mmc(system_rev);
+		if (rc)
+			pr_crit("MMC init failure (%d)\n", rc);
+	}
 }
 
 static struct map_desc trout_io_desc[] __initdata = {