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@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

diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 69ce3e4308638fc5cb3ded38b3bef9d7d6532dfd..e94455c8eafcb4f74bbe59bb3be46b504a63622a 100644 (file)
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -124,6 +124,9 @@
        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 {