[PATCH 5/5] ARM: dts: exynos: configure midas SD card CD pin
From: Simon Shields
Date: Sat Jul 21 2018 - 08:53:01 EST
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@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4412-midas.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi
index d69bc3c2d0ff..3d3e6b74c12e 100644
--- a/arch/arm/boot/dts/exynos4412-midas.dtsi
+++ b/arch/arm/boot/dts/exynos4412-midas.dtsi
@@ -1152,6 +1152,11 @@
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>;
@@ -1383,7 +1388,7 @@
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";
--
2.18.0