[PATCH v2] ARM: dts: iwg20m: Add MMCIF0 support

[Chris Paterson <chris.paterson2@xxxxxxxxxxx>]

Define the iwg20m board dependent part of the MMCIF0 device node.

Signed-off-by: Chris Paterson <chris.paterson2@xxxxxxxxxxx>
---
This patch is based on:
   renesas-devel-20170713-v4.12
 + pinctrl: sh-pfc: r8a7791: Add R8A7743 support
 + pinctrl: sh-pfc: r8a7791: Add missing mmc_data8_b pin group

v1->v2:
 - Corrected data pin group to mmc_data8_b - Thanks Geert.


 arch/arm/boot/dts/r8a7743-iwg20m.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
index 001ca91..f78dbc5 100644
--- a/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
+++ b/arch/arm/boot/dts/r8a7743-iwg20m.dtsi
@@ -22,8 +22,34 @@
 		device_type = "memory";
 		reg = <2 0x00000000 0 0x20000000>;
 	};
+
+	reg_3p3v: 3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "3P3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &extal_clk {
 	clock-frequency = <20000000>;
 };
+
+&pfc {
+	mmcif0_pins: mmc {
+		groups = "mmc_data8_b", "mmc_ctrl";
+		function = "mmc";
+	};
+};
+
+&mmcif0 {
+		pinctrl-0 = <&mmcif0_pins>;
+		pinctrl-names = "default";
+
+		vmmc-supply = <&reg_3p3v>;
+		bus-width = <8>;
+		non-removable;
+		status = "okay";
+};
-- 
1.9.1

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