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ARM: dts: exynos: add missing HDMI supplies on SMDK5420
authorKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Tue, 8 Feb 2022 17:18:15 +0000 (18:18 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Apr 2022 07:08:11 +0000 (09:08 +0200)
commit 453a24ded415f7fce0499c6b0a2c7b28f84911f2 upstream.

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@vger.kernel.org> # v3.15+
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220208171823.226211-3-krzysztof.kozlowski@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm/boot/dts/exynos5420-smdk5420.dts patch | blob | blame | history

diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 08c8ab173e871fdbea71bbea7207998dbe780daa..9bd317aee6a1db64d3b8caef5895dd3932db56a5 100644 (file)
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -133,6 +133,9 @@
        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>;
 };
 
 &hsi2c_4 {