RE: [PATCH 01/10] ARM: dts: exynos: add missing HDMI supplies on SMDK5250
flat view
From: Alim Akhtar <alim.akhtar@samsung.com>
Date: 2022-02-10 03:03:38
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-----Original Message----- From: Krzysztof Kozlowski [mailto:<redacted>] Sent: Tuesday, February 8, 2022 10:48 PM To: Inki Dae <inki.dae@samsung.com>; Joonyoung Shim [off-list ref]; Seung-Woo Kim [off-list ref]; Kyungmin Park [off-list ref]; David Airlie [off-list ref]; Daniel Vetter [off-list ref]; Rob Herring [off-list ref]; Krzysztof Kozlowski [off-list ref]; Alim Akhtar [off-list ref]; Kishon Vijay Abraham I [off-list ref]; Vinod Koul [off-list ref]; dri-devel@lists.freedesktop.org; devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux- samsung-soc@vger.kernel.org; linux-kernel@vger.kernel.org; linux- phy@lists.infradead.org Cc: Marek Szyprowski <m.szyprowski@samsung.com>; Sylwester Nawrocki [off-list ref]; stable@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
quoted hunk ↗ jump to hunk
on Arndale 5250 board (voltage matches). Cc: <redacted> # v3.15+ Signed-off-by: Krzysztof Kozlowski <redacted> --- arch/arm/boot/dts/exynos5250-smdk5250.dts | 3 +++ 1 file changed, 3 insertions(+)diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dtsb/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@samsung.com>
&i2c_0 {
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