arm64: dts: renesas: rzg2l-smarc: Enable microSD on SMARC platform

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

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20211010142520.21976-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi
index a02784f..d8b3d32 100644 (file)
--- 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-hog {
+               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";