ARM: dts: exynos: Configure Midas SD card CD pin

This pin is externally pulled up, so we need to disable the SoC's
internal pull down resistor to allow it to function properly.

Signed-off-by: Simon Shields <simon@lineageos.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi
index dd56e4d..c0476c2 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-midas.dtsi
+++ b/arch/arm/boot/dts/exynos4412-midas.dtsi
@@ -1035,6 +1035,11 @@
                samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
        };
 
+       sdhci2_cd: sdhci2-cd-irq {
+               samsung,pins = "gpx3-4";
+               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+       };
+
        hdmi_hpd: hdmi-hpd {
                samsung,pins = "gpx3-7";
                samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
@@ -1266,7 +1271,7 @@
        bus-width = <4>;
        cd-gpios = <&gpx3 4 GPIO_ACTIVE_HIGH>;
        cd-inverted;
-       pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
+       pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sdhci2_cd>;
        pinctrl-names = "default";
        vmmc-supply = <&ldo21_reg>;
        status = "okay";