linux-kernel - [PATCH 5.10 080/563] arm64: dts: meson-gxbb-wetek: fix HDMI in early boot

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Date:   Mon, 24 Jan 2022 19:37:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christian Hewitt <christianshewitt@...il.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 080/563] arm64: dts: meson-gxbb-wetek: fix HDMI in early boot

From: Christian Hewitt <christianshewitt@...il.com>

[ Upstream commit 8182a35868db5f053111d5d9d4da8fcb3f99259d ]

Mark the VDDIO_AO18 regulator always-on and set hdmi-supply for the hdmi_tx
node to ensure HDMI is powered in the early stages of boot.

Fixes: fb72c03e0e32 ("ARM64: dts: meson-gxbb-wetek: add a wetek specific dtsi to cleanup hub and play2")

Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
Reviewed-by: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Link: https://lore.kernel.org/r/20211012052522.30873-2-christianshewitt@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
index a350fee1264d7..8e2af986cebaf 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi
@@ -64,6 +64,7 @@
 		regulator-name = "VDDIO_AO18";
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
 	};
 
 	vcc_3v3: regulator-vcc_3v3 {
@@ -161,6 +162,7 @@
 	status = "okay";
 	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
 	pinctrl-names = "default";
+	hdmi-supply = <&vddio_ao18>;
 };
 
 &hdmi_tx_tmds_port {
-- 
2.34.1