ARM: dts: exynos: Fix HDMI-HPD line handling on Arndale (21cb5a27) · Commits · 戴 / test

HDMI-HPD was set active low, moreover by default pincontrol chip sets pull-down on the pin. As a result HDMI driver assumes TV is always connected regardless of actual state. The patch fixes it. Signed-off-by:

Andrzej Hajda <a.hajda@samsung.com> Signed-off-by:

Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos5250-arndale.dts

+3 −1

Original line number	Diff line number	Diff line
		@@ -210,9 +210,11 @@
		};

		&hdmi {
		pinctrl-names = "default";
		pinctrl-0 = <&hdmi_hpd>;
		status = "okay";
		ddc = <&i2c_ddc>;
		hpd-gpios = <&gpx3 7 GPIO_ACTIVE_LOW>;
		hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
		vdd_osc-supply = <&ldo10_reg>;
		vdd_pll-supply = <&ldo8_reg>;
		vdd-supply = <&ldo8_reg>;

arch/arm/boot/dts/exynos5250-pinctrl.dtsi

+5 −0

Original line number	Diff line number	Diff line
		@@ -599,6 +599,11 @@
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
		};

		hdmi_hpd: hdmi-hpd {
		samsung,pins = "gpx3-7";
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		};
		};

		&pinctrl_1 {

Admin message