Hi Ulrich,
Thank you for the patch.
On Thursday 27 Apr 2017 16:37:39 Ulrich Hecht wrote:
> The panel backlight is controlled through a GPIO and a PWM channel.
>
> Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@xxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 22 ++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
> b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts index 14d9e51..abda84c
> 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts
> @@ -133,6 +133,11 @@
> function = "i2c2";
> };
>
> + pwm1_pins: pwm {
> + groups = "pwm1_a";
> + function = "pwm1";
> + };
> +
> sdhi0_pins: sd0 {
> groups = "sdhi0_data4", "sdhi0_ctrl";
> function = "sdhi0";
> @@ -183,6 +188,16 @@
> interrupt-parent = <&gpio2>;
> interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
> };
> +
> + 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>;
> + };
> };
>
> &extal_clk {
> @@ -235,6 +250,13 @@
> status = "okay";
> };
>
> +&pwm1 {
> + pinctrl-0 = <&pwm1_pins>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +};
> +
> &scif1 {
> pinctrl-0 = <&scif1_pins>;
> pinctrl-names = "default";
--
Regards,
Laurent Pinchart
