arm64: dts: h3ulcb: enable SDHI2

This supports SDHI2 for H3ULCB onboard eMMC

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
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 f178fe1730dea2284185e3d460828d502bcc9bcf..8d0ac076d8e2cbef3c66720f9e6aa1aa03917b8f 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -62,6 +62,24 @@
                clock-frequency = <24576000>;
        };
 
+       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;
+       };
+
        vcc_sdhi0: regulator-vcc-sdhi0 {
                compatible = "regulator-fixed";
 
@@ -157,6 +175,18 @@
                power-source = <1800>;
        };
 
+       sdhi2_pins: sd2 {
+               groups = "sdhi2_data8", "sdhi2_ctrl";
+               function = "sdhi2";
+               power-source = <3300>;
+       };
+
+       sdhi2_pins_uhs: sd2_uhs {
+               groups = "sdhi2_data8", "sdhi2_ctrl";
+               function = "sdhi2";
+               power-source = <1800>;
+       };
+
        sound_pins: sound {
                groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
                function = "ssi";
@@ -273,6 +303,19 @@
        status = "okay";
 };
 
+&sdhi2 {
+       /* used for on-board 8bit 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>;
+       non-removable;
+       status = "okay";
+};
+
 &ssi1 {
        shared-pin;
 };