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-rw-r--r--Documentation/devicetree/bindings/arm/exynos/power_domain.txt15
-rw-r--r--arch/arm/boot/dts/Makefile3
-rw-r--r--arch/arm/boot/dts/cros5250-common.dtsi184
-rw-r--r--arch/arm/boot/dts/exynos4.dtsi54
-rw-r--r--arch/arm/boot/dts/exynos4210-origen.dts54
-rw-r--r--arch/arm/boot/dts/exynos4210-pinctrl.dtsi56
-rw-r--r--arch/arm/boot/dts/exynos4210.dtsi5
-rw-r--r--arch/arm/boot/dts/exynos4x12-pinctrl.dtsi56
-rw-r--r--arch/arm/boot/dts/exynos5250-smdk5250.dts12
-rw-r--r--arch/arm/boot/dts/exynos5250-snow.dts43
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi12
-rw-r--r--arch/arm/mach-exynos/mach-exynos5-dt.c10
-rw-r--r--arch/arm/mach-exynos/pm_domains.c93
13 files changed, 485 insertions, 112 deletions
diff --git a/Documentation/devicetree/bindings/arm/exynos/power_domain.txt b/Documentation/devicetree/bindings/arm/exynos/power_domain.txt
index 6528e21..5216b41 100644
--- a/Documentation/devicetree/bindings/arm/exynos/power_domain.txt
+++ b/Documentation/devicetree/bindings/arm/exynos/power_domain.txt
@@ -4,14 +4,13 @@ Exynos processors include support for multiple power domains which are used
to gate power to one or more peripherals on the processor.
Required Properties:
-- compatiable: should be one of the following.
+- compatible: should be one of the following.
* samsung,exynos4210-pd - for exynos4210 type power domain.
- reg: physical base address of the controller and length of memory mapped
region.
-Optional Properties:
-- samsung,exynos4210-pd-off: Specifies that the power domain is in turned-off
- state during boot and remains to be turned-off until explicitly turned-on.
+Node of a device using power domains must have a samsung,power-domain property
+defined with a phandle to respective power domain.
Example:
@@ -19,3 +18,11 @@ Example:
compatible = "samsung,exynos4210-pd";
reg = <0x10023C00 0x10>;
};
+
+Example of the node using power domain:
+
+ node {
+ /* ... */
+ samsung,power-domain = <&lcd0>;
+ /* ... */
+ };
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 83faa72..a312119 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -26,7 +26,8 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \
exynos4210-smdkv310.dtb \
exynos4210-trats.dtb \
exynos4412-smdk4412.dtb \
- exynos5250-smdk5250.dtb
+ exynos5250-smdk5250.dtb \
+ exynos5250-snow.dtb
dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb
dtb-$(CONFIG_ARCH_INTEGRATOR) += integratorap.dtb \
integratorcp.dtb
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
new file mode 100644
index 0000000..fddd174
--- /dev/null
+++ b/arch/arm/boot/dts/cros5250-common.dtsi
@@ -0,0 +1,184 @@
+/*
+ * Common device tree include for all Exynos 5250 boards based off of Daisy.
+ *
+ * Copyright (c) 2012 Google, Inc
+ *
+ * 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.
+*/
+
+/ {
+ aliases {
+ };
+
+ memory {
+ reg = <0x40000000 0x80000000>;
+ };
+
+ chosen {
+ };
+
+ i2c@12C60000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <378000>;
+ gpios = <&gpb3 0 2 3 0>,
+ <&gpb3 1 2 3 0>;
+ };
+
+ i2c@12C70000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <378000>;
+ gpios = <&gpb3 2 2 3 0>,
+ <&gpb3 3 2 3 0>;
+ };
+
+ i2c@12C80000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <66000>;
+
+ /*
+ * Disabled pullups since external part has its own pullups and
+ * double-pulling gets us out of spec in some cases.
+ */
+ gpios = <&gpa0 6 3 0 0>,
+ <&gpa0 7 3 0 0>;
+
+ hdmiddc@50 {
+ compatible = "samsung,exynos5-hdmiddc";
+ reg = <0x50>;
+ };
+ };
+
+ i2c@12C90000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <66000>;
+ gpios = <&gpa1 2 3 3 0>,
+ <&gpa1 3 3 3 0>;
+ };
+
+ i2c@12CA0000 {
+ status = "disabled";
+ };
+
+ i2c@12CB0000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <66000>;
+ gpios = <&gpa2 2 3 3 0>,
+ <&gpa2 3 3 3 0>;
+ };
+
+ i2c@12CC0000 {
+ status = "disabled";
+ };
+
+ i2c@12CD0000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <66000>;
+ gpios = <&gpb2 2 3 3 0>,
+ <&gpb2 3 3 3 0>;
+ };
+
+ i2c@12CE0000 {
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <378000>;
+
+ hdmiphy@38 {
+ compatible = "samsung,exynos5-hdmiphy";
+ reg = <0x38>;
+ };
+ };
+
+ dwmmc0@12200000 {
+ num-slots = <1>;
+ supports-highspeed;
+ broken-cd;
+ fifo-depth = <0x80>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <2 3 3>;
+ samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <8>;
+ gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>,
+ <&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>,
+ <&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>,
+ <&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>,
+ <&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>;
+ };
+ };
+
+ dwmmc1@12210000 {
+ status = "disabled";
+ };
+
+ dwmmc2@12220000 {
+ num-slots = <1>;
+ supports-highspeed;
+ fifo-depth = <0x80>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <2 3 3>;
+ samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ samsung,cd-pinmux-gpio = <&gpc3 2 2 3 3>;
+ wp-gpios = <&gpc2 1 0 0 3>;
+ gpios = <&gpc3 0 2 0 3>, <&gpc3 1 2 0 3>,
+ <&gpc3 3 2 3 3>, <&gpc3 4 2 3 3>,
+ <&gpc3 5 2 3 3>, <&gpc3 6 2 3 3>;
+ };
+ };
+
+ dwmmc3@12230000 {
+ num-slots = <1>;
+ supports-highspeed;
+ broken-cd;
+ fifo-depth = <0x80>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <2 3 3>;
+ samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ /* See board-specific dts files for GPIOs */
+ };
+ };
+
+ spi_0: spi@12d20000 {
+ status = "disabled";
+ };
+
+ spi_1: spi@12d30000 {
+ gpios = <&gpa2 4 2 3 0>,
+ <&gpa2 6 2 3 0>,
+ <&gpa2 7 2 3 0>;
+ samsung,spi-src-clk = <0>;
+ num-cs = <1>;
+ };
+
+ spi_2: spi@12d40000 {
+ status = "disabled";
+ };
+
+ hdmi {
+ hpd-gpio = <&gpx3 7 0xf 1 3>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ power {
+ label = "Power";
+ gpios = <&gpx1 3 0 0x10000 0>;
+ linux,code = <116>; /* KEY_POWER */
+ gpio-key,wakeup;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index a26c3dd..3428f1a 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -28,6 +28,44 @@
spi0 = &spi_0;
spi1 = &spi_1;
spi2 = &spi_2;
+ i2c0 = &i2c_0;
+ i2c1 = &i2c_1;
+ i2c2 = &i2c_2;
+ i2c3 = &i2c_3;
+ i2c4 = &i2c_4;
+ i2c5 = &i2c_5;
+ i2c6 = &i2c_6;
+ i2c7 = &i2c_7;
+ };
+
+ pd_mfc: mfc-power-domain@10023C40 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023C40 0x20>;
+ };
+
+ pd_g3d: g3d-power-domain@10023C60 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023C60 0x20>;
+ };
+
+ pd_lcd0: lcd0-power-domain@10023C80 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023C80 0x20>;
+ };
+
+ pd_tv: tv-power-domain@10023C20 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023C20 0x20>;
+ };
+
+ pd_cam: cam-power-domain@10023C00 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023C00 0x20>;
+ };
+
+ pd_gps: gps-power-domain@10023CE0 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023CE0 0x20>;
};
gic:interrupt-controller@10490000 {
@@ -121,7 +159,7 @@
status = "disabled";
};
- i2c@13860000 {
+ i2c_0: i2c@13860000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -130,7 +168,7 @@
status = "disabled";
};
- i2c@13870000 {
+ i2c_1: i2c@13870000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -139,7 +177,7 @@
status = "disabled";
};
- i2c@13880000 {
+ i2c_2: i2c@13880000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -148,7 +186,7 @@
status = "disabled";
};
- i2c@13890000 {
+ i2c_3: i2c@13890000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -157,7 +195,7 @@
status = "disabled";
};
- i2c@138A0000 {
+ i2c_4: i2c@138A0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -166,7 +204,7 @@
status = "disabled";
};
- i2c@138B0000 {
+ i2c_5: i2c@138B0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -175,7 +213,7 @@
status = "disabled";
};
- i2c@138C0000 {
+ i2c_6: i2c@138C0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
@@ -184,7 +222,7 @@
status = "disabled";
};
- i2c@138D0000 {
+ i2c_7: i2c@138D0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "samsung,s3c2440-i2c";
diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index f16c99f..f271001 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -22,38 +22,38 @@
compatible = "insignal,origen", "samsung,exynos4210";
memory {
- reg = <0x40000000 0x40000000>;
+ reg = <0x40000000 0x10000000
+ 0x50000000 0x10000000
+ 0x60000000 0x10000000
+ 0x70000000 0x10000000>;
};
chosen {
bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
};
+ mmc_reg: voltage-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "VMEM_VDD_2.8V";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ gpio = <&gpx1 1 0>;
+ enable-active-high;
+ };
+
sdhci@12530000 {
- samsung,sdhci-bus-width = <4>;
- linux,mmc_cap_4_bit_data;
- samsung,sdhci-cd-internal;
- gpio-cd = <&gpk2 2 2 3 3>;
- gpios = <&gpk2 0 2 0 3>,
- <&gpk2 1 2 0 3>,
- <&gpk2 3 2 3 3>,
- <&gpk2 4 2 3 3>,
- <&gpk2 5 2 3 3>,
- <&gpk2 6 2 3 3>;
+ bus-width = <4>;
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
+ pinctrl-names = "default";
+ vmmc-supply = <&mmc_reg>;
status = "okay";
};
sdhci@12510000 {
- samsung,sdhci-bus-width = <4>;
- linux,mmc_cap_4_bit_data;
- samsung,sdhci-cd-internal;
- gpio-cd = <&gpk0 2 2 3 3>;
- gpios = <&gpk0 0 2 0 3>,
- <&gpk0 1 2 0 3>,
- <&gpk0 3 2 3 3>,
- <&gpk0 4 2 3 3>,
- <&gpk0 5 2 3 3>,
- <&gpk0 6 2 3 3>;
+ bus-width = <4>;
+ pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
+ pinctrl-names = "default";
+ vmmc-supply = <&mmc_reg>;
status = "okay";
};
@@ -80,35 +80,35 @@
up {
label = "Up";
- gpios = <&gpx2 0 0 0x10000 2>;
+ gpios = <&gpx2 0 1>;
linux,code = <103>;
gpio-key,wakeup;
};
down {
label = "Down";
- gpios = <&gpx2 1 0 0x10000 2>;
+ gpios = <&gpx2 1 1>;
linux,code = <108>;
gpio-key,wakeup;
};
back {
label = "Back";
- gpios = <&gpx1 7 0 0x10000 2>;
+ gpios = <&gpx1 7 1>;
linux,code = <158>;
gpio-key,wakeup;
};
home {
label = "Home";
- gpios = <&gpx1 6 0 0x10000 2>;
+ gpios = <&gpx1 6 1>;
linux,code = <102>;
gpio-key,wakeup;
};
menu {
label = "Menu";
- gpios = <&gpx1 5 0 0x10000 2>;
+ gpios = <&gpx1 5 1>;
linux,code = <139>;
gpio-key,wakeup;
};
@@ -117,7 +117,7 @@
leds {
compatible = "gpio-leds";
status {
- gpios = <&gpx1 3 0 0x10000 2>;
+ gpios = <&gpx1 3 1>;
linux,default-trigger = "heartbeat";
};
};
diff --git a/arch/arm/boot/dts/exynos4210-pinctrl.dtsi b/arch/arm/boot/dts/exynos4210-pinctrl.dtsi
index 6a4a1a0..55a2efb 100644
--- a/arch/arm/boot/dts/exynos4210-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos4210-pinctrl.dtsi
@@ -482,196 +482,196 @@
samsung,pins = "gpk0-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_cmd: sd0-cmd {
samsung,pins = "gpk0-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_cd: sd0-cd {
samsung,pins = "gpk0-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_bus1: sd0-bus-width1 {
samsung,pins = "gpk0-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_bus4: sd0-bus-width4 {
samsung,pins = "gpk0-3", "gpk0-4", "gpk0-5", "gpk0-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_bus8: sd0-bus-width8 {
samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_clk: sd4-clk {
samsung,pins = "gpk0-0";
samsung,pin-function = <3>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_cmd: sd4-cmd {
samsung,pins = "gpk0-1";
samsung,pin-function = <3>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_cd: sd4-cd {
samsung,pins = "gpk0-2";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_bus1: sd4-bus-width1 {
samsung,pins = "gpk0-3";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_bus4: sd4-bus-width4 {
samsung,pins = "gpk0-3", "gpk0-4", "gpk0-5", "gpk0-6";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_bus8: sd4-bus-width8 {
samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6";
samsung,pin-function = <3>;
samsung,pin-pud = <4>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_clk: sd1-clk {
samsung,pins = "gpk1-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_cmd: sd1-cmd {
samsung,pins = "gpk1-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_cd: sd1-cd {
samsung,pins = "gpk1-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_bus1: sd1-bus-width1 {
samsung,pins = "gpk1-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_bus4: sd1-bus-width4 {
samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_clk: sd2-clk {
samsung,pins = "gpk2-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_cmd: sd2-cmd {
samsung,pins = "gpk2-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_cd: sd2-cd {
samsung,pins = "gpk2-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_bus1: sd2-bus-width1 {
samsung,pins = "gpk2-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_bus4: sd2-bus-width4 {
samsung,pins = "gpk2-3", "gpk2-4", "gpk2-5", "gpk2-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_bus8: sd2-bus-width8 {
samsung,pins = "gpk3-3", "gpk3-4", "gpk3-5", "gpk3-6";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_clk: sd3-clk {
samsung,pins = "gpk3-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_cmd: sd3-cmd {
samsung,pins = "gpk3-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_cd: sd3-cd {
samsung,pins = "gpk3-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_bus1: sd3-bus-width1 {
samsung,pins = "gpk3-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_bus4: sd3-bus-width4 {
samsung,pins = "gpk3-3", "gpk3-4", "gpk3-5", "gpk3-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
eint0: ext-int0 {
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 939f639..e31bfc4 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -31,6 +31,11 @@
pinctrl2 = &pinctrl_2;
};
+ pd_lcd1: lcd1-power-domain@10023CA0 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023CA0 0x20>;
+ };
+
gic:interrupt-controller@10490000 {
cpu-offset = <0x8000>;
};
diff --git a/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi b/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi
index 56f4669..8e6115a 100644
--- a/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi
@@ -586,196 +586,196 @@
samsung,pins = "gpk0-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_cmd: sd0-cmd {
samsung,pins = "gpk0-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_cd: sd0-cd {
samsung,pins = "gpk0-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_bus1: sd0-bus-width1 {
samsung,pins = "gpk0-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_bus4: sd0-bus-width4 {
samsung,pins = "gpk0-3", "gpk0-4", "gpk0-5", "gpk0-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd0_bus8: sd0-bus-width8 {
samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_clk: sd4-clk {
samsung,pins = "gpk0-0";
samsung,pin-function = <3>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_cmd: sd4-cmd {
samsung,pins = "gpk0-1";
samsung,pin-function = <3>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_cd: sd4-cd {
samsung,pins = "gpk0-2";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_bus1: sd4-bus-width1 {
samsung,pins = "gpk0-3";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_bus4: sd4-bus-width4 {
samsung,pins = "gpk0-3", "gpk0-4", "gpk0-5", "gpk0-6";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd4_bus8: sd4-bus-width8 {
samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6";
samsung,pin-function = <3>;
samsung,pin-pud = <4>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_clk: sd1-clk {
samsung,pins = "gpk1-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_cmd: sd1-cmd {
samsung,pins = "gpk1-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_cd: sd1-cd {
samsung,pins = "gpk1-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_bus1: sd1-bus-width1 {
samsung,pins = "gpk1-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd1_bus4: sd1-bus-width4 {
samsung,pins = "gpk1-3", "gpk1-4", "gpk1-5", "gpk1-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_clk: sd2-clk {
samsung,pins = "gpk2-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_cmd: sd2-cmd {
samsung,pins = "gpk2-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_cd: sd2-cd {
samsung,pins = "gpk2-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_bus1: sd2-bus-width1 {
samsung,pins = "gpk2-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_bus4: sd2-bus-width4 {
samsung,pins = "gpk2-3", "gpk2-4", "gpk2-5", "gpk2-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd2_bus8: sd2-bus-width8 {
samsung,pins = "gpk3-3", "gpk3-4", "gpk3-5", "gpk3-6";
samsung,pin-function = <3>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_clk: sd3-clk {
samsung,pins = "gpk3-0";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_cmd: sd3-cmd {
samsung,pins = "gpk3-1";
samsung,pin-function = <2>;
samsung,pin-pud = <0>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_cd: sd3-cd {
samsung,pins = "gpk3-2";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_bus1: sd3-bus-width1 {
samsung,pins = "gpk3-3";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
sd3_bus4: sd3-bus-width4 {
samsung,pins = "gpk3-3", "gpk3-4", "gpk3-5", "gpk3-6";
samsung,pin-function = <2>;
samsung,pin-pud = <3>;
- samsung,pin-drv = <0>;
+ samsung,pin-drv = <3>;
};
keypad_col0: keypad-col0 {
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 29f1333..942d576 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -17,10 +17,6 @@
compatible = "samsung,smdk5250", "samsung,exynos5250";
aliases {
- mshc0 = &dwmmc_0;
- mshc1 = &dwmmc_1;
- mshc2 = &dwmmc_2;
- mshc3 = &dwmmc_3;
};
memory {
@@ -112,7 +108,7 @@
};
};
- dwmmc_0: dwmmc0@12200000 {
+ dwmmc0@12200000 {
num-slots = <1>;
supports-highspeed;
broken-cd;
@@ -133,11 +129,11 @@
};
};
- dwmmc_1: dwmmc1@12210000 {
+ dwmmc1@12210000 {
status = "disabled";
};
- dwmmc_2: dwmmc2@12220000 {
+ dwmmc2@12220000 {
num-slots = <1>;
supports-highspeed;
fifo-depth = <0x80>;
@@ -158,7 +154,7 @@
};
};
- dwmmc_3: dwmmc3@12230000 {
+ dwmmc3@12230000 {
status = "disabled";
};
diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
new file mode 100644
index 0000000..17dd951
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -0,0 +1,43 @@
+/*
+ * Google Snow board device tree source
+ *
+ * Copyright (c) 2012 Google, Inc
+ *
+ * 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.
+*/
+
+/dts-v1/;
+/include/ "exynos5250.dtsi"
+/include/ "cros5250-common.dtsi"
+
+/ {
+ model = "Google Snow";
+ compatible = "google,snow", "samsung,exynos5250";
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ lid-switch {
+ label = "Lid";
+ gpios = <&gpx3 5 0 0x10000 0>;
+ linux,input-type = <5>; /* EV_SW */
+ linux,code = <0>; /* SW_LID */
+ debounce-interval = <1>;
+ gpio-key,wakeup;
+ };
+ };
+
+ /*
+ * On Snow we've got SIP WiFi and so can keep drive strengths low to
+ * reduce EMI.
+ */
+ dwmmc3@12230000 {
+ slot@0 {
+ gpios = <&gpc4 0 2 0 0>, <&gpc4 1 2 3 0>,
+ <&gpc4 3 2 3 0>, <&gpc4 4 2 3 0>,
+ <&gpc4 5 2 3 0>, <&gpc4 6 2 3 0>;
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index b82b829..36d8246 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -31,6 +31,10 @@
gsc1 = &gsc_1;
gsc2 = &gsc_2;
gsc3 = &gsc_3;
+ mshc0 = &dwmmc_0;
+ mshc1 = &dwmmc_1;
+ mshc2 = &dwmmc_2;
+ mshc3 = &dwmmc_3;
};
gic:interrupt-controller@10481000 {
@@ -224,7 +228,7 @@
#size-cells = <0>;
};
- dwmmc0@12200000 {
+ dwmmc_0: dwmmc0@12200000 {
compatible = "samsung,exynos5250-dw-mshc";
reg = <0x12200000 0x1000>;
interrupts = <0 75 0>;
@@ -232,7 +236,7 @@
#size-cells = <0>;
};
- dwmmc1@12210000 {
+ dwmmc_1: dwmmc1@12210000 {
compatible = "samsung,exynos5250-dw-mshc";
reg = <0x12210000 0x1000>;
interrupts = <0 76 0>;
@@ -240,7 +244,7 @@
#size-cells = <0>;
};
- dwmmc2@12220000 {
+ dwmmc_2: dwmmc2@12220000 {
compatible = "samsung,exynos5250-dw-mshc";
reg = <0x12220000 0x1000>;
interrupts = <0 77 0>;
@@ -248,7 +252,7 @@
#size-cells = <0>;
};
- dwmmc3@12230000 {
+ dwmmc_3: dwmmc3@12230000 {
compatible = "samsung,exynos5250-dw-mshc";
reg = <0x12230000 0x1000>;
interrupts = <0 78 0>;
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 28146f2..25f464c 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -52,6 +52,16 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
"s3c2440-i2c.1", NULL),
OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2),
"s3c2440-i2c.2", NULL),
+ OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(3),
+ "s3c2440-i2c.3", NULL),
+ OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(4),
+ "s3c2440-i2c.4", NULL),
+ OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(5),
+ "s3c2440-i2c.5", NULL),
+ OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(6),
+ "s3c2440-i2c.6", NULL),
+ OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(7),
+ "s3c2440-i2c.7", NULL),
OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8),
"s3c2440-hdmiphy-i2c", NULL),
OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0,
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index c0bc83a..9f1351d 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -19,6 +19,8 @@
#include <linux/pm_domain.h>
#include <linux/delay.h>
#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/sched.h>
#include <mach/regs-pmu.h>
#include <plat/devs.h>
@@ -83,12 +85,88 @@ static struct exynos_pm_domain PD = { \
}
#ifdef CONFIG_OF
+static void exynos_add_device_to_domain(struct exynos_pm_domain *pd,
+ struct device *dev)
+{
+ int ret;
+
+ dev_dbg(dev, "adding to power domain %s\n", pd->pd.name);
+
+ while (1) {
+ ret = pm_genpd_add_device(&pd->pd, dev);
+ if (ret != -EAGAIN)
+ break;
+ cond_resched();
+ }
+
+ pm_genpd_dev_need_restore(dev, true);
+}
+
+static void exynos_remove_device_from_domain(struct device *dev)
+{
+ struct generic_pm_domain *genpd = dev_to_genpd(dev);
+ int ret;
+
+ dev_dbg(dev, "removing from power domain %s\n", genpd->name);
+
+ while (1) {
+ ret = pm_genpd_remove_device(genpd, dev);
+ if (ret != -EAGAIN)
+ break;
+ cond_resched();
+ }
+}
+
+static void exynos_read_domain_from_dt(struct device *dev)
+{
+ struct platform_device *pd_pdev;
+ struct exynos_pm_domain *pd;
+ struct device_node *node;
+
+ node = of_parse_phandle(dev->of_node, "samsung,power-domain", 0);
+ if (!node)
+ return;
+ pd_pdev = of_find_device_by_node(node);
+ if (!pd_pdev)
+ return;
+ pd = platform_get_drvdata(pd_pdev);
+ exynos_add_device_to_domain(pd, dev);
+}
+
+static int exynos_pm_notifier_call(struct notifier_block *nb,
+ unsigned long event, void *data)
+{
+ struct device *dev = data;
+
+ switch (event) {
+ case BUS_NOTIFY_BIND_DRIVER:
+ if (dev->of_node)
+ exynos_read_domain_from_dt(dev);
+
+ break;
+
+ case BUS_NOTIFY_UNBOUND_DRIVER:
+ exynos_remove_device_from_domain(dev);
+
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block platform_nb = {
+ .notifier_call = exynos_pm_notifier_call,
+};
+
static __init int exynos_pm_dt_parse_domains(void)
{
+ struct platform_device *pdev;
struct device_node *np;
for_each_compatible_node(np, NULL, "samsung,exynos4210-pd") {
struct exynos_pm_domain *pd;
+ int on;
+
+ pdev = of_find_device_by_node(np);
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd) {
@@ -97,15 +175,22 @@ static __init int exynos_pm_dt_parse_domains(void)
return -ENOMEM;
}
- if (of_get_property(np, "samsung,exynos4210-pd-off", NULL))
- pd->is_off = true;
- pd->name = np->name;
+ pd->pd.name = kstrdup(np->name, GFP_KERNEL);
+ pd->name = pd->pd.name;
pd->base = of_iomap(np, 0);
pd->pd.power_off = exynos_pd_power_off;
pd->pd.power_on = exynos_pd_power_on;
pd->pd.of_node = np;
- pm_genpd_init(&pd->pd, NULL, false);
+
+ platform_set_drvdata(pdev, pd);
+
+ on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN;
+
+ pm_genpd_init(&pd->pd, NULL, !on);
}
+
+ bus_register_notifier(&platform_bus_type, &platform_nb);
+
return 0;
}
#else
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