On i.MX6SL EVK board, the MX6SL_PAD_KEY_ROW5 pin is used as lcd 3v3 regulator control pin, need to make sure MX6SL_PAD_KEY_ROW5 is muxed as GPIO function for controlling lcd 3v3 regulator.
Signed-off-by: Anson Huang <[email protected]> --- change since V1: using a separate pin group for lcd regulator instead of putting gpio pin in hog group. arch/arm/boot/dts/imx6sl-evk.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 50bdc65..046cfab 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -77,6 +77,8 @@ reg_lcd_3v3: regulator-lcd-3v3 { compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_lcd_3v3>; regulator-name = "lcd-3v3"; gpio = <&gpio4 3 GPIO_ACTIVE_HIGH>; enable-active-high; @@ -410,6 +412,12 @@ >; }; + pinctrl_reg_lcd_3v3: reglcd3v3grp { + fsl,pins = < + MX6SL_PAD_KEY_ROW5__GPIO4_IO03 0x17059 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX6SL_PAD_UART1_RXD__UART1_RX_DATA 0x1b0b1 -- 2.7.4
