[PATCH 2/2] arm64: dts: r8a77990: ebisu: Enable SDHI interfaces

[Marek Vasut <marek.vasut@xxxxxxxxx>]

From: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>

This patch enables SD card slot connected to SDHI0, micro SD card slot
connected to SDHI1 and eMMC connected to SDHI3 on the Ebisu board using
the R8A77990 SoC.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
 .../arm64/boot/dts/renesas/r8a77990-ebisu.dts | 136 ++++++++++++++++++
 1 file changed, 136 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 611f0265fcc5..bda1765dcdbd 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -119,6 +119,15 @@
 		};
 	};
 
+	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";
@@ -133,6 +142,54 @@
 		#clock-cells = <0>;
 		clock-frequency = <74250000>;
 	};
+
+	vcc_sdhi0: regulator-vcc-sdhi0 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "SDHI0 Vcc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&gpio5 17 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 18 GPIO_ACTIVE_HIGH>;
+		gpios-states = <1>;
+		states = <3300000 1
+			  1800000 0>;
+	};
+
+	vcc_sdhi1: regulator-vcc-sdhi1 {
+		compatible = "regulator-fixed";
+
+		regulator-name = "SDHI1 Vcc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vccq_sdhi1: regulator-vccq-sdhi1 {
+		compatible = "regulator-gpio";
+
+		regulator-name = "SDHI1 VccQ";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
+		gpios-states = <1>;
+		states = <3300000 1
+			  1800000 0>;
+	};
 };
 
 &avb {
@@ -326,6 +383,42 @@
 		function = "scif2";
 	};
 
+	sdhi0_pins: sd0 {
+		groups = "sdhi0_data4", "sdhi0_ctrl";
+		function = "sdhi0";
+		power-source = <3300>;
+	};
+
+	sdhi0_pins_uhs: sd0_uhs {
+		groups = "sdhi0_data4", "sdhi0_ctrl";
+		function = "sdhi0";
+		power-source = <1800>;
+	};
+
+	sdhi1_pins: sd1 {
+		groups = "sdhi1_data4", "sdhi1_ctrl";
+		function = "sdhi1";
+		power-source = <3300>;
+	};
+
+	sdhi1_pins_uhs: sd1_uhs {
+		groups = "sdhi1_data4", "sdhi1_ctrl";
+		function = "sdhi1";
+		power-source = <1800>;
+	};
+
+	sdhi3_pins: sd3 {
+		groups = "sdhi3_data8", "sdhi3_ctrl";
+		function = "sdhi3";
+		power-source = <1800>;
+	};
+
+	sdhi3_pins_uhs: sd3_uhs {
+		groups = "sdhi3_data8", "sdhi3_ctrl";
+		function = "sdhi3";
+		power-source = <1800>;
+	};
+
 	usb0_pins: usb {
 		groups = "usb0_b";
 		function = "usb0";
@@ -380,3 +473,46 @@
 
 	status = "okay";
 };
+
+&sdhi0 {
+	pinctrl-0 = <&sdhi0_pins>;
+	pinctrl-1 = <&sdhi0_pins_uhs>;
+	pinctrl-names = "default", "state_uhs";
+
+	vmmc-supply = <&vcc_sdhi0>;
+	vqmmc-supply = <&vccq_sdhi0>;
+	cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+	wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+	bus-width = <4>;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
+&sdhi1 {
+	pinctrl-0 = <&sdhi1_pins>;
+	pinctrl-1 = <&sdhi1_pins_uhs>;
+	pinctrl-names = "default", "state_uhs";
+
+	vmmc-supply = <&vcc_sdhi1>;
+	vqmmc-supply = <&vccq_sdhi1>;
+	cd-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>;
+	bus-width = <4>;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
+&sdhi3 {
+	/* used for on-board 8bit eMMC */
+	pinctrl-0 = <&sdhi3_pins>;
+	pinctrl-1 = <&sdhi3_pins_uhs>;
+	pinctrl-names = "default", "state_uhs";
+
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	mmc-hs200-1_8v;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
-- 
2.18.0