The Colibri standard defines SODIMM 71 as backlight enable
GPIO. Assign the GPIO to the backlight node in the module
level device tree.
Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
Reviewed-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
arch/arm/boot/dts/imx7-colibri.dtsi | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index d623ef0f6e3e..689ff6822634 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -43,7 +43,10 @@
/ {
bl: backlight {
compatible = "pwm-backlight";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_bl_on>;
pwms = <&pwm1 0 5000000 0>;
+ enable-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
};
reg_module_3v3: regulator-module-3v3 {
@@ -360,7 +363,6 @@
fsl,pins = <
MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x14 /* SODIMM 65 */
MX7D_PAD_SD1_CD_B__GPIO5_IO0 0x74 /* SODIMM 69 */
- MX7D_PAD_SD1_WP__GPIO5_IO1 0x14 /* SODIMM 71 */
MX7D_PAD_I2C4_SDA__GPIO4_IO15 0x14 /* SODIMM 75 */
MX7D_PAD_ECSPI1_MISO__GPIO4_IO18 0x14 /* SODIMM 79 */
MX7D_PAD_I2C3_SCL__GPIO4_IO12 0x14 /* SODIMM 81 */
@@ -436,6 +438,12 @@
>;
};
+ pinctrl_gpio_bl_on: gpio-bl-on {
+ fsl,pins = <
+ MX7D_PAD_SD1_WP__GPIO5_IO1 0x14 /* SODIMM 71 */
+ >;
+ };
+
pinctrl_gpmi_nand: gpmi-nand-grp {
fsl,pins = <
MX7D_PAD_SD3_CLK__NAND_CLE 0x71
--
2.15.1
--
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