RE: [PATCH 02/10] ARM: dts: exynos: add missing HDMI supplies on SMDK5420

[Alim Akhtar]

>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@xxxxxxxxxxxxx]
>Sent: Tuesday, February 8, 2022 10:48 PM
>To: Inki Dae <inki.dae@xxxxxxxxxxx>; Joonyoung Shim
><jy0922.shim@xxxxxxxxxxx>; Seung-Woo Kim
><sw0312.kim@xxxxxxxxxxx>; Kyungmin Park
><kyungmin.park@xxxxxxxxxxx>; David Airlie <airlied@xxxxxxxx>; Daniel
>Vetter <daniel@xxxxxxxx>; Rob Herring <robh+dt@xxxxxxxxxx>; Krzysztof
>Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>; Alim Akhtar
><alim.akhtar@xxxxxxxxxxx>; Kishon Vijay Abraham I <kishon@xxxxxx>;
>Vinod Koul <vkoul@xxxxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx;
>devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
>samsung-soc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-
>phy@xxxxxxxxxxxxxxxxxxx
>Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>; Sylwester Nawrocki
><snawrocki@xxxxxxxxxx>; stable@xxxxxxxxxxxxxxx
>Subject: [PATCH 02/10] ARM: dts: exynos: add missing HDMI supplies on
>SMDK5420
>
>Add required VDD supplies to HDMI block on SMDK5420.  Without them, the
>HDMI driver won't probe.  Because of lack of schematics, use same supplies
as
>on Arndale Octa and Odroid XU3 boards (voltage matches).
>
>Cc: <stable@xxxxxxxxxxxxxxx> # v3.15+
>Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
>---
> arch/arm/boot/dts/exynos5420-smdk5420.dts | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts
>b/arch/arm/boot/dts/exynos5420-smdk5420.dts
>index 2978b5775a6d..4d7b6d9008a7 100644
>--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
>+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
>@@ -124,6 +124,9 @@ &hdmi {
> 	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
> 	pinctrl-names = "default";
> 	pinctrl-0 = <&hdmi_hpd_irq>;
>+	vdd-supply = <&ldo6_reg>;
>+	vdd_osc-supply = <&ldo7_reg>;
>+	vdd_pll-supply = <&ldo6_reg>;
> };


Same supply found on smdk5420 as well.

Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

>
> &hsi2c_4 {
>--
>2.32.0