ARM: dts: rockchip: Add vcc50_hdmi for rk3288-vyasa

Add vcc50_hdmi regulator for Vyasa RK3288 board.

VCC50_HDMI is the real name used for this regulator as
per the schematics.

This regulator used for HDMI connector by detecting the
cable via HDMI_EN gpio and input rails are sourced from
VSUS_5V regulator.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Link: https://lore.kernel.org/r/20200123134641.30720-3-jagan@amarulasolutions.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk3288-vyasa.dts b/arch/arm/boot/dts/rk3288-vyasa.dts
index 88c6394..385dd59 100644 (file)
--- a/arch/arm/boot/dts/rk3288-vyasa.dts
+++ b/arch/arm/boot/dts/rk3288-vyasa.dts
@@ -78,6 +78,18 @@
                vin-supply = <&vcc_io>;
        };
 
+       vcc50_hdmi: vcc50-hdmi {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc50_hdmi";
+               enable-active-high;
+               gpio = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>; /* HDMI_EN */
+               pinctrl-names = "default";
+               pinctrl-0 = <&vcc50_hdmi_en>;
+               regulator-always-on;
+               regulator-boot-on;
+               vin-supply = <&vsus_5v>;
+       };
+
        vusb1_5v: vusb1-5v {
                compatible = "regulator-fixed";
                regulator-name = "vusb1_5v";
@@ -446,6 +458,12 @@
                };
        };
 
+       hdmi {
+               vcc50_hdmi_en: vcc50-hdmi-en {
+                       rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
+
        pmic {
                pmic_int: pmic-int {
                        rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;