arm64: dts: renesas: gray-hawk-single: Add eMMC support

Describe the eMMC on the Gray Hawk Single board.

Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/208bfc781b1488e253e19626ad80876c34c86758.1707915763.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
index c900ccd..1163ac5 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
@@ -36,6 +36,24 @@
                device_type = "memory";
                reg = <0x4 0x80000000 0x1 0x80000000>;
        };
+
+       reg_1p8v: regulator-1p8v {
+                       compatible = "regulator-fixed";
+                       regulator-name = "fixed-1.8V";
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       regulator-boot-on;
+                       regulator-always-on;
+       };
+
+       reg_3p3v: regulator-3p3v {
+                       compatible = "regulator-fixed";
+                       regulator-name = "fixed-3.3V";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       regulator-boot-on;
+                       regulator-always-on;
+       };
 };
 
 &avb0 {
@@ -108,6 +126,23 @@
        };
 };
 
+&mmc0 {
+       pinctrl-0 = <&mmc_pins>;
+       pinctrl-1 = <&mmc_pins>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&reg_3p3v>;
+       vqmmc-supply = <&reg_1p8v>;
+       mmc-hs200-1_8v;
+       mmc-hs400-1_8v;
+       bus-width = <8>;
+       no-sd;
+       no-sdio;
+       non-removable;
+       full-pwr-cycle-in-suspend;
+       status = "okay";
+};
+
 &pfc {
        pinctrl-0 = <&scif_clk_pins>;
        pinctrl-names = "default";
@@ -140,6 +175,12 @@
                function = "i2c0";
        };
 
+       mmc_pins: mmc {
+               groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
+               function = "mmc";
+               power-source = <1800>;
+       };
+
        scif_clk_pins: scif-clk {
                groups = "scif_clk";
                function = "scif_clk";