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ARM: dts: mxs: add pwm-backlight for imx23-evk and imx28-evk

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Add pwm device and pwm-backlight for imx23-evk and imx28-evk.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2012-06-28 11:45:06 +08:00
parent f98c990c18
commit 52f7176bd2
4 changed files with 54 additions and 2 deletions
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13
arch/arm/boot/dts/imx23-evk.dts
View file

@ -51,6 +51,12 @@ hog_pins_a: hog-gpios@0 {
};
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 @@ reg_vddio_sd0: vddio-sd0 {
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>;
};
};

15
arch/arm/boot/dts/imx23.dtsi
View file

@ -181,6 +181,16 @@ mmc0_pins_fixup: mmc0-pins-fixup {
>;
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 @@ rtc@8005c000 {
interrupts = <22>;
};
pwm@80064000 {
pwm: pwm@80064000 {
compatible = "fsl,imx23-pwm";
reg = <0x80064000 2000>;
#pwm-cells = <2>;
fsl,pwm-number = <5>;
status = "disabled";
};

13
arch/arm/boot/dts/imx28-evk.dts
View file

@ -95,6 +95,12 @@ sgtl5000: codec@0a {
};
};
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 @@ user {
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>;
};
};

15
arch/arm/boot/dts/imx28.dtsi
View file

@ -364,6 +364,16 @@ saif1_pins_a: saif1@0 {
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 @@ i2c1: i2c@8005a000 {
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";
};