Add backlight for Tolino Shine2 HD. It uses the PWM
of the embedded controller.
Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts | 21 ++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
index 663ee9df79e6..ea0ce59aa4f1 100644
--- a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
+++ b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
@@ -18,6 +18,21 @@ / {
model = "Tolino Shine 2 HD";
compatible = "kobo,tolino-shine2hd", "fsl,imx6sl";
+ backlight {
+ compatible = "pwm-backlight";
+ pwms = <&ec 0 50000>;
+ power-supply = <&backlight_regulator>;
+ };
+
+ backlight_regulator: regulator-backlight {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_backlight_power>;
+ regulator-name = "backlight";
+ gpio = <&gpio2 10 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
chosen {
stdout-path = &uart1;
};
@@ -299,6 +314,12 @@ &iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
+ pinctrl_backlight_power: backlight-powergrp {
+ fsl,pins = <
+ MX6SL_PAD_EPDC_PWRCTRL3__GPIO2_IO10 0x10059
+ >;
+ };
+
pinctrl_gpio_keys: gpio-keysgrp {
fsl,pins = <
MX6SL_PAD_SD1_DAT1__GPIO5_IO08 0x17059
--
2.30.2
