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authorShawn Guo <shawn.guo@linaro.org>2012-06-28 11:45:06 +0800
committerShawn Guo <shawn.guo@linaro.org>2012-07-03 13:26:49 +0800
commit52f7176bd2a35ae712754d80c1206c69074a0a42 (patch)
treeeaffba7fd6ae7a9e33276cd048fbcf6d70849689 /arch/arm
parentf98c990c18fb6df88bfd8f3131215604a87d26b1 (diff)
downloadlinux-linaro-stable-52f7176bd2a35ae712754d80c1206c69074a0a42.tar.gz
ARM: dts: mxs: add pwm-backlight for imx23-evk and imx28-evk
Add pwm device and pwm-backlight for imx23-evk and imx28-evk. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/imx23-evk.dts13
-rw-r--r--arch/arm/boot/dts/imx23.dtsi15
-rw-r--r--arch/arm/boot/dts/imx28-evk.dts13
-rw-r--r--arch/arm/boot/dts/imx28.dtsi15
4 files changed, 54 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
index 9eca34fc93dc..3974959d16dd 100644
--- a/arch/arm/boot/dts/imx23-evk.dts
+++ b/arch/arm/boot/dts/imx23-evk.dts
@@ -51,6 +51,12 @@
};
apbx@80040000 {
+ pwm: pwm@80064000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm2_pins_a>;
+ status = "okay";
+ };
+
auart0: serial@8006c000 {
pinctrl-names = "default";
pinctrl-0 = <&auart0_pins_a>;
@@ -76,4 +82,11 @@
gpio = <&gpio1 29 0>;
};
};
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 2 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
};
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index a94ba1d48c0e..22e161753a5b 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -181,6 +181,16 @@
>;
fsl,pull-up = <0>;
};
+
+ pwm2_pins_a: pwm2@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x11c0 /* MX23_PAD_PWM2__PWM2 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
};
digctl@8001c000 {
@@ -294,8 +304,11 @@
interrupts = <22>;
};
- pwm@80064000 {
+ pwm: pwm@80064000 {
+ compatible = "fsl,imx23-pwm";
reg = <0x80064000 2000>;
+ #pwm-cells = <2>;
+ fsl,pwm-number = <5>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 856b26aa915a..fba72922d3a1 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -95,6 +95,12 @@
};
};
+ pwm: pwm@80064000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm2_pins_a>;
+ status = "okay";
+ };
+
duart: serial@80074000 {
pinctrl-names = "default";
pinctrl-0 = <&duart_pins_a>;
@@ -179,4 +185,11 @@
linux,default-trigger = "heartbeat";
};
};
+
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 2 5000000>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
};
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 669c1d02b0aa..0ad7b5673705 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -364,6 +364,16 @@
fsl,voltage = <1>;
fsl,pull-up = <1>;
};
+
+ pwm2_pins_a: pwm2@0 {
+ reg = <0>;
+ fsl,pinmux-ids = <
+ 0x3120 /* MX28_PAD_PWM2__PWM_2 */
+ >;
+ fsl,drive-strength = <0>;
+ fsl,voltage = <1>;
+ fsl,pull-up = <0>;
+ };
};
digctl@8001c000 {
@@ -526,8 +536,11 @@
status = "disabled";
};
- pwm@80064000 {
+ pwm: pwm@80064000 {
+ compatible = "fsl,imx28-pwm", "fsl,imx23-pwm";
reg = <0x80064000 2000>;
+ #pwm-cells = <2>;
+ fsl,pwm-number = <8>;
status = "disabled";
};