Enable support for SDHCI controller number 2 and add required regulator
for external SD card.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4210-trats.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 6f1d76cb7951..f9bbc6315cd9 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -385,6 +385,12 @@
regulator-max-microvolt = <1800000>;
};
+ tflash_reg: LDO17 {
+ regulator-name = "VTF_2.8V";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
vddq_reg: LDO21 {
regulator-name = "VDDQ_M1M2_1.2V";
regulator-min-microvolt = <1200000>;
@@ -452,6 +458,15 @@
status = "okay";
};
+&sdhci_2 {
+ bus-width = <4>;
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
+ pinctrl-names = "default";
+ vmmc-supply = <&tflash_reg>;
+ cd-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>;
+ status = "okay";
+};
+
&serial_0 {
status = "okay";
};
--
2.17.1
