Add SDHCI node for supporting the micro SD card. On Trats2 board the
SDHCI does not use sd2_cd pins (gpk2-2) for card detect but gpx3-4
instead.
Power is supplied from LDO21 regulator which in off state is controlled
by external GPIO pin.
Signed-off-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
---
Changes since v1:
1. Drop FIXME comment (about findings during testing).
---
arch/arm/boot/dts/exynos4412-trats2.dts | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts
b/arch/arm/boot/dts/exynos4412-trats2.dts
index a5aa52bba72c..7a68e0832cd6 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -603,6 +603,16 @@
cap-mmc-highspeed;
};
+ sdhci@12530000 {
+ bus-width = <4>;
+ cd-gpios = <&gpx3 4 0>;
+ cd-inverted;
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
+ pinctrl-names = "default";
+ vmmc-supply = <&ldo21_reg>;
+ status = "okay";
+ };
+
serial@13800000 {
status = "okay";
};
--
1.9.1
--
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