[PATCH v2] ARM: dts: iwg22d: Enable SDHI0 controller

[Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>]

Enable the SDHI0 controller on iWave RZ/G1E carrier board.

Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Signed-off-by: Chris Paterson <chris.paterson2@xxxxxxxxxxx>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index aac84c6..8772c56 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -24,6 +24,19 @@
 		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
 		stdout-path = "serial0:115200n8";
 	};
+
+	vccq_sdhi0: regulator-vccq-sdhi0 {
+		compatible = "regulator-gpio";
+
+		regulator-name = "SDHI0 VccQ";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+		gpios-states = <1>;
+		states = <3300000 1
+			  1800000 0>;
+	};
 };
 
 &pfc {
@@ -36,6 +49,12 @@
 		groups = "avb_mdio", "avb_gmii";
 		function = "avb";
 	};
+
+	sdhi0_pins: sd0 {
+		groups = "sdhi0_data4", "sdhi0_ctrl";
+		function = "sdhi0";
+		power-source = <3300>;
+	};
 };
 
 &scif4 {
@@ -63,3 +82,13 @@
 		micrel,led-mode = <1>;
 	};
 };
+
+&sdhi0 {
+	pinctrl-0 = <&sdhi0_pins>;
+	pinctrl-names = "default";
+
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&vccq_sdhi0>;
+	cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
-- 
2.7.4

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