>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlow...@canonical.com]
>Sent: Tuesday, February 8, 2022 10:48 PM
>To: Inki Dae <inki....@samsung.com>; Joonyoung Shim
><jy0922.s...@samsung.com>; Seung-Woo Kim
><sw0312....@samsung.com>; Kyungmin Park
><kyungmin.p...@samsung.com>; David Airlie <airl...@linux.ie>; Daniel
>Vetter <dan...@ffwll.ch>; Rob Herring <robh...@kernel.org>; Krzysztof
>Kozlowski <krzysztof.kozlow...@canonical.com>; Alim Akhtar
><alim.akh...@samsung.com>; Kishon Vijay Abraham I <kis...@ti.com>;
>Vinod Koul <vk...@kernel.org>; dri-devel@lists.freedesktop.org;
>devicet...@vger.kernel.org; linux-arm-ker...@lists.infradead.org; linux-
>samsung-...@vger.kernel.org; linux-ker...@vger.kernel.org; linux-
>p...@lists.infradead.org
>Cc: Marek Szyprowski <m.szyprow...@samsung.com>; Sylwester Nawrocki
><snawro...@kernel.org>; sta...@vger.kernel.org
>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: <sta...@vger.kernel.org> # v3.15+
>Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlow...@canonical.com>
>---
> 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.akh...@samsung.com>
>
> &hsi2c_4 {
>--
>2.32.0
