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ARM: dts: imx7-colibri: specify backlight GPIO 

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@agner.ch>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Stefan Agner 2017-12-19 19:10:36 +01:00 committed by Shawn Guo
parent 49e6ce614b
commit 6deb2260b2
1 changed files with 9 additions and 1 deletions
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10
arch/arm/boot/dts/imx7-colibri.dtsi
View File

@ -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 @@ pinctrl_gpio2: gpio2-grp { /* On X22 Camera interface */
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 @@ MX7D_PAD_GPIO1_IO15__FLEXCAN2_TX 0x59
>;
};
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