linux-kernel - [PATCH 3/3] ARM: dts: rockchip: Add vcc50

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Message-Id: <20200123134641.30720-3-jagan@amarulasolutions.com>
Date:   Thu, 23 Jan 2020 19:16:41 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Michael Trimarchi <michael@...rulasolutions.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [PATCH 3/3] 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@...rulasolutions.com>
---
 arch/arm/boot/dts/rk3288-vyasa.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-vyasa.dts b/arch/arm/boot/dts/rk3288-vyasa.dts
index 88c63946f2a3..52291faf7aef 100644
--- a/arch/arm/boot/dts/rk3288-vyasa.dts
+++ b/arch/arm/boot/dts/rk3288-vyasa.dts
@@ -78,6 +78,17 @@
 		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 +457,12 @@
 		};
 	};
 
+	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>;
-- 
2.18.0.321.gffc6fa0e3