arm64: dts: h3ulcb: enable SDHI0

This supports SDHI0 on H3ULCB board SD card slot

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
index adf2b0e44dac46e3debc185992297411e08f1d50..44f1184e1a14fef5b36e5c5ad8aac904abae7931 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -44,6 +44,30 @@ key-1 {
                        gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
                };
        };
+
+       vcc_sdhi0: regulator-vcc-sdhi0 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI0 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi0: regulator-vccq-sdhi0 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI0 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
 };
 
 &extal_clk {
@@ -78,6 +102,18 @@ avb_pins: avb {
                function = "avb";
        };
 
+       sdhi0_pins_3v3: sd0_3v3 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <3300>;
+       };
+
+       sdhi0_pins_1v8: sd0_1v8 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <1800>;
+       };
+
        usb1_pins: usb1 {
                groups = "usb1";
                function = "usb1";
@@ -103,6 +139,19 @@ &i2c2 {
        status = "okay";
 };
 
+&sdhi0 {
+       pinctrl-0 = <&sdhi0_pins_3v3>;
+       pinctrl-1 = <&sdhi0_pins_1v8>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi0>;
+       vqmmc-supply = <&vccq_sdhi0>;
+       cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+       bus-width = <4>;
+       sd-uhs-sdr50;
+       status = "okay";
+};
+
 &wdt0 {
        timeout-sec = <60>;
        status = "okay";