ARM: dts: imx7d-sdb: Pass 'enable-gpios' and 'power-supply' properties

Currently the LCD is turned on thanks to the bootloader initialization.

In order to make the kernel to turn on the LCD on is own, pass the
'enable-gpios' and 'power-supply' properties.

Also, the GPIO1_IO01 is not used as PWM functionality on this board. It is
connected to the PWREN pin of connector J14 and has a GPIO function, so
remove the PWM1 node and change the GPIO1_IO01 IOMUX to GPIO function.

Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 5827ae3..486752d 100644 (file)
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -118,8 +118,19 @@
                startup-delay-us = <200000>;
        };
 
+       reg_lcd_3v3: regulator-lcd-3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "lcd-3v3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&extended_io 7 GPIO_ACTIVE_LOW>;
+       };
+
        panel {
                compatible = "innolux,at043tn24";
+               pinctrl-0 = <&pinctrl_backlight>;
+               enable-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+               power-supply = <&reg_lcd_3v3>;
 
                port {
                        panel_in: endpoint {
@@ -347,12 +358,6 @@
        status = "okay";
 };
 
-&pwm1 {
-       pinctrl-names = "default";
-       pinctrl-0 = <&pinctrl_pwm1>;
-       status = "okay";
-};
-
 &uart1 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart1>;
@@ -684,9 +689,9 @@
                >;
        };
 
-       pinctrl_pwm1: pwm1grp {
+       pinctrl_backlight: backlightgrp {
                fsl,pins = <
-                       MX7D_PAD_LPSR_GPIO1_IO01__PWM1_OUT              0x110b0
+                       MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1             0x110b0
                >;
 
                pinctrl_spi4: spi4grp {