[PATCH 3/4] arm64: dts: r8a77995: draak: enable SDHI2

[Ulrich Hecht]

The single SDHI controller is connected to eMMC.

Signed-off-by: Ulrich Hecht <ulrich.hecht+rene...@gmail.com>
---
 arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 44 ++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts 
b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index 91f247f..cd3823b 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -32,6 +32,24 @@
                /* first 128MB is reserved for secure area. */
                reg = <0x0 0x48000000 0x0 0x18000000>;
        };
+
+       reg_1p8v: regulator0 {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-1.8V";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
+
+       reg_3p3v: regulator1 {
+               compatible = "regulator-fixed";
+               regulator-name = "fixed-3.3V";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               regulator-always-on;
+       };
 };
 
 &extal_clk {
@@ -71,6 +89,18 @@
                function = "scif2";
        };
 
+       sdhi2_pins: sd2 {
+               groups = "mmc_data8", "mmc_ctrl";
+               function = "mmc";
+               power-source = <3300>;
+       };
+
+       sdhi2_pins_uhs: sd2_uhs {
+               groups = "mmc_data8", "mmc_ctrl";
+               function = "mmc";
+               power-source = <1800>;
+       };
+
        usb0_pins: usb0 {
                groups = "usb0";
                function = "usb0";
@@ -125,6 +155,20 @@
        status = "okay";
 };
 
+&sdhi2 {
+       /* used for on-board eMMC */
+       pinctrl-0 = <&sdhi2_pins>;
+       pinctrl-1 = <&sdhi2_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&reg_3p3v>;
+       vqmmc-supply = <&reg_1p8v>;
+       bus-width = <8>;
+       mmc-hs200-1_8v;
+       non-removable;
+       status = "okay";
+};
+
 &usb2_phy0 {
        pinctrl-0 = <&usb0_pins>;
        pinctrl-names = "default";
-- 
2.7.4