diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2017-04-27 17:37:41 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2017-05-22 15:54:49 +0300 |
| commit | b33be336702175334031f558951374b694bc4cb1 (patch) | |
| tree | 6898aab294939417b12d09974fa35f05891fe2fa /arch/arm64/boot/dts/renesas/salvator-x.dtsi | |
| parent | eaef33106799e3e58984479d85c80ddf94f9159d (diff) | |
| download | linux-b33be336702175334031f558951374b694bc4cb1.tar.xz | |
arm64: dts: salvator-x: Add panel backlight support
The panel backlight is controlled through a GPIO and a PWM channel.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[simon: apply to salvator-x.dtsi instead of r8a7795-salvator-x.dts]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/salvator-x.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/salvator-x.dtsi | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/salvator-x.dtsi b/arch/arm64/boot/dts/renesas/salvator-x.dtsi index d5eb022d247c..7240bcd75918 100644 --- a/arch/arm64/boot/dts/renesas/salvator-x.dtsi +++ b/arch/arm64/boot/dts/renesas/salvator-x.dtsi @@ -58,6 +58,16 @@ clock-frequency = <11289600>; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm1 0 50000>; + + brightness-levels = <256 128 64 16 8 4 0>; + default-brightness-level = <6>; + + enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>; + }; + reg_1p8v: regulator0 { compatible = "regulator-fixed"; regulator-name = "fixed-1.8V"; @@ -358,6 +368,11 @@ function = "i2c2"; }; + pwm1_pins: pwm { + groups = "pwm1_a"; + function = "pwm1"; + }; + scif1_pins: scif1 { groups = "scif1_data_a", "scif1_ctrl"; function = "scif1"; @@ -443,6 +458,13 @@ }; }; +&pwm1 { + pinctrl-0 = <&pwm1_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + &rcar_sound { pinctrl-0 = <&sound_pins &sound_clk_pins>; pinctrl-names = "default"; |