diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2012-06-28 05:45:06 +0200 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2012-07-03 07:26:49 +0200 |
| commit | 52f7176bd2a35ae712754d80c1206c69074a0a42 (patch) | |
| tree | eaffba7fd6ae7a9e33276cd048fbcf6d70849689 /arch/arm | |
| parent | ARM: dts: mxs: enable rtc for imx23 and imx28 (diff) | |
| download | linux-52f7176bd2a35ae712754d80c1206c69074a0a42.tar.xz linux-52f7176bd2a35ae712754d80c1206c69074a0a42.zip | |
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.dts | 13 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx23.dtsi | 15 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx28-evk.dts | 13 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx28.dtsi | 15 |
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"; }; |