[v3,7/9] ARM: dts: imx7-colibri: specify backlight GPIO

Commit Message

Stefan Agner Dec. 19, 2017, 6:10 p.m. UTC

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 <[e-mail]>
Reviewed-by: Fabio Estevam <[e-mail]>
---
 arch/arm/boot/dts/imx7-colibri.dtsi | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

Patch

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