From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Wed, 26 Sep 2018 19:02:48 +0000 (+0200)
Subject: ARM: dts: exynos: Add pin configuration for SD write protect on Odroid XU
X-Git-Tag: v4.20-rc1~66^2~2^2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=48ab742ce3b0312f2ee23ed825d3c8820eda7acf;p=linux-block.git

ARM: dts: exynos: Add pin configuration for SD write protect on Odroid XU

Add SD card write-protect pin configuration to be sure that it will be
properly pulled down to indicate write access.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---

diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts
index a2046f5f998c..434a7591ff63 100644
--- a/arch/arm/boot/dts/exynos5410-odroidxu.dts
+++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts
@@ -530,7 +530,7 @@
 	samsung,dw-mshc-sdr-timing = <0 4>;
 	samsung,dw-mshc-ddr-timing = <0 2>;
 	pinctrl-names = "default";
-	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
+	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4 &sd2_wp>;
 	bus-width = <4>;
 	cap-sd-highspeed;
 	vmmc-supply = <&ldo21_reg>;
@@ -545,6 +545,14 @@
 		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
 	};
 
+	sd2_wp: sd2-wp {
+		samsung,pins = "gpm5-0";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+		/* Pin is floating so be sure to disable write-protect */
+		samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+	};
+
 	pmic_dvs_3: pmic-dvs-3 {
 		samsung,pins = "gpx0-0";
 		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;