[PATCH 3/3] arm64: dts: renesas: rzg2l-smarc: Enable microSD on SMARC platform

[Biju Das <biju.das.jz@xxxxxxxxxxxxxx>]

This patch enables microSD card slot connected to SDHI1 on RZ/G2L SMARC
platform.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
This patch has dependency upon [1] and [2]
[1] https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=559045
[2] https://patchwork.kernel.org/project/linux-renesas-soc/patch/20211006171605.6861-1-biju.das.jz@xxxxxxxxxxxxxx/
---
 arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi | 62 ++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index a02784fab46a..a7d01a10d286 100644
--- a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
@@ -70,6 +70,16 @@
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
 	};
+
+	vccq_sdhi1: regulator-vccq-sdhi1 {
+		compatible = "regulator-gpio";
+		regulator-name = "SDHI1 VccQ";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>;
+		gpios-states = <1>;
+		states = <3300000 1 1800000 0>;
+	};
 };
 
 &audio_clk1{
@@ -199,6 +209,45 @@
 			 <RZG2L_PORT_PINMUX(38, 1, 1)>;	/* RxD */
 	};
 
+	sd1_pwr_en {
+		gpio-hog;
+		gpios = <RZG2L_GPIO(39, 2) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "sd1_pwr_en";
+	};
+
+	sdhi1_pins: sd1 {
+		sd1_data {
+			pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
+			power-source  = <3300>;
+		};
+
+		sd1_ctrl {
+			pins = "SD1_CLK", "SD1_CMD";
+			power-source  = <3300>;
+		};
+
+		sd1_mux {
+			pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */
+		};
+	};
+
+	sdhi1_pins_uhs: sd1_uhs {
+		sd1_data_uhs {
+			pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
+			power-source  = <1800>;
+		};
+
+		sd1_ctrl_uhs {
+			pins = "SD1_CLK", "SD1_CMD";
+			power-source  = <1800>;
+		};
+
+		sd1_mux_uhs {
+			pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */
+		};
+	};
+
 	sound_clk_pins: sound_clk {
 		pins = "AUDIO_CLK1", "AUDIO_CLK2";
 		input-enable;
@@ -229,6 +278,19 @@
 	status = "okay";
 };
 
+&sdhi1 {
+	pinctrl-0 = <&sdhi1_pins>;
+	pinctrl-1 = <&sdhi1_pins_uhs>;
+	pinctrl-names = "default", "state_uhs";
+
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&vccq_sdhi1>;
+	bus-width = <4>;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
 &ssi0 {
 	pinctrl-0 = <&ssi0_pins>;
 	pinctrl-names = "default";
-- 
2.17.1