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

[Alim Akhtar]

>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski at canonical.com]
>Sent: Tuesday, February 8, 2022 10:48 PM
>To: Inki Dae <inki.dae at samsung.com>; Joonyoung Shim
><jy0922.shim at samsung.com>; Seung-Woo Kim
><sw0312.kim at samsung.com>; Kyungmin Park
><kyungmin.park at samsung.com>; David Airlie <airlied at linux.ie>; Daniel
>Vetter <daniel at ffwll.ch>; Rob Herring <robh+dt at kernel.org>; Krzysztof
>Kozlowski <krzysztof.kozlowski at canonical.com>; Alim Akhtar
><alim.akhtar at samsung.com>; Kishon Vijay Abraham I <kishon at ti.com>;
>Vinod Koul <vkoul at kernel.org>; dri-devel at lists.freedesktop.org;
>devicetree at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux-
>samsung-soc at vger.kernel.org; linux-kernel at vger.kernel.org; linux-
>phy at lists.infradead.org
>Cc: Marek Szyprowski <m.szyprowski at samsung.com>; Sylwester Nawrocki
><snawrocki at kernel.org>; stable at vger.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 at vger.kernel.org> # v3.15+
>Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.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>;
> };

Cross checked with SMDK schematic, looks correct.

Reviewed-by: Alim Akhtar <alim.akhtar at samsung.com>

>
> &i2c_0 {
>--
>2.32.0