ARM: dts: exynos: Add pin configuration for SD write protect on Odroid XU3/XU4/HC1

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

Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
[backport of mainline commit 6135ee70cb1314681772645242beee46fcf5d185]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Ic23dfd37330417d7b0724247354f1aed1a84b9de

diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
index 65aa0e300c23b28b2d216f70afb404cde676b3fe..b8f60d908736d196cc71bb275d0fe7ffc67d072a 100644 (file)
--- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi
@@ -292,6 +292,13 @@
                samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
                samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
        };
+
+       sd2_wp: sd2-wp {
+               samsung,pins = "gpc4-0";
+               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
+               samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV4>;
+       };
 };
 
 &pinctrl_2 {

diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
index 0127ebcbdb5a414ba8d93b224031ccc928d60307..b375520af1a020f1aa1aa0357d46994fc89404c5 100644 (file)
--- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
@@ -518,7 +518,7 @@
        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_wp &sd2_bus1 &sd2_bus4>;
        bus-width = <4>;
        cap-sd-highspeed;
        max-frequency = <200000000>;