linux-kernel - [PATCH 01/10] ARM: dts: exynos: add missing HDMI supplies on SMDK5250

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Message-Id: <20220208171823.226211-2-krzysztof.kozlowski@canonical.com>
Date:   Tue,  8 Feb 2022 18:18:14 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Sylwester Nawrocki <snawrocki@...nel.org>,
        stable@...r.kernel.org
Subject: [PATCH 01/10] ARM: dts: exynos: add missing HDMI supplies on SMDK5250

Add required VDD supplies to HDMI block on SMDK5250.  Without them, the
HDMI driver won't probe.  Because of lack of schematics, use same
supplies as on Arndale 5250 board (voltage matches).

Cc: <stable@...r.kernel.org> # v3.15+
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 arch/arm/boot/dts/exynos5250-smdk5250.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 65d2474f83eb..21fbbf3d8684 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -118,6 +118,9 @@ &hdmi {
 	status = "okay";
 	ddc = <&i2c_2>;
 	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
+	vdd-supply = <&ldo8_reg>;
+	vdd_osc-supply = <&ldo10_reg>;
+	vdd_pll-supply = <&ldo8_reg>;
 };
 
 &i2c_0 {
-- 
2.32.0