diff mbox series

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

Message ID 20220208171823.226211-2-krzysztof.kozlowski@canonical.com
State New
Headers show
Series drm: dt-bindings: exynos: convert to dtschema | expand

Commit Message

Krzysztof Kozlowski Feb. 8, 2022, 5:18 p.m. UTC
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@vger.kernel.org> # v3.15+
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 arch/arm/boot/dts/exynos5250-smdk5250.dts | 3 +++
 1 file changed, 3 insertions(+)

Comments

Alim Akhtar Feb. 10, 2022, 3:03 a.m. UTC | #1
>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@canonical.com]
>Sent: Tuesday, February 8, 2022 10:48 PM
>To: Inki Dae <inki.dae@samsung.com>; Joonyoung Shim
><jy0922.shim@samsung.com>; Seung-Woo Kim
><sw0312.kim@samsung.com>; Kyungmin Park
><kyungmin.park@samsung.com>; David Airlie <airlied@linux.ie>; Daniel
>Vetter <daniel@ffwll.ch>; Rob Herring <robh+dt@kernel.org>; Krzysztof
>Kozlowski <krzysztof.kozlowski@canonical.com>; Alim Akhtar
><alim.akhtar@samsung.com>; Kishon Vijay Abraham I <kishon@ti.com>;
>Vinod Koul <vkoul@kernel.org>; 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
><snawrocki@kernel.org>; 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
>on Arndale 5250 board (voltage matches).
>
>Cc: <stable@vger.kernel.org> # v3.15+
>Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@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@samsung.com>

>
> &i2c_0 {
>--
>2.32.0
Krzysztof Kozlowski Feb. 12, 2022, 4:37 p.m. UTC | #2
On Tue, 8 Feb 2022 18:18:14 +0100, Krzysztof Kozlowski wrote:
> 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).
> 
> 

Applied, thanks!

[01/10] ARM: dts: exynos: add missing HDMI supplies on SMDK5250
        commit: 60a9914cb2061ba612a3f14f6ad329912b486360

Best regards,
diff mbox series

Patch

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 {