Commit dba8ee27 authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Geert Uytterhoeven
Browse files

arm64: dts: renesas: rzt2h-rzn2h-evk: Enable MicroSD card slot 



Enable MicroSD card slot which is connected to SDHI1 on the RZ/T2H and
RZ/N2H EVKs.

Signed-off-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250820200659.2048755-9-prabhakar.mahadev-lad.rj@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 4d7624fc

arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts

+9 −0
Original line number Diff line number Diff line
@@ -17,6 +17,13 @@ 
 */

#define SD0_EMMC	1



/*

 * P17_4 = SD1_CD; SW2[3] = ON

 * P08_5 = SD1_PWEN; SW2[3] = ON

 * P08_6 = SD1_IOVS; SW2[3] = ON; SW5[3] = OFF; SW5[4] = ON

 */

#define SD1_MICRO_SD	1



#include "rzt2h-n2h-evk-common.dtsi"



/ {
@@ -49,6 +56,7 @@ led-2 { 
			function-enumerator = <2>;

		};



#if (!SD1_MICRO_SD)

		led-3 {

			/* SW2-3: OFF */

			gpios = <&pinctrl RZT2H_GPIO(8, 5) GPIO_ACTIVE_HIGH>;
@@ -56,6 +64,7 @@ led-3 { 
			function = LED_FUNCTION_DEBUG;

			function-enumerator = <3>;

		};

#endif



		led-4 {

			/* SW8-3: ON, SW8-4: OFF */

arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts

+6 −0
Original line number Diff line number Diff line
@@ -18,6 +18,12 @@ 
 */

#define SD0_EMMC       1



/*

 * P17_4 = SD1_CD; DSW5[3] = ON; DSW19[1] = OFF; DSW19[2] = ON

 * P08_6 = SD1_IOVS; DSW5[3] = ON

 */

#define SD1_MICRO_SD	1



#include "rzt2h-n2h-evk-common.dtsi"



/*

arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi

+51 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ aliases { 
		i2c0 = &i2c0;

		i2c1 = &i2c1;

		mmc0 = &sdhi0;

		mmc1 = &sdhi1;

		serial0 = &sci0;

	};
@@ -38,6 +39,18 @@ reg_3p3v: regulator-3p3v { 
		regulator-boot-on;

		regulator-always-on;

	};



#if SD1_MICRO_SD

	vccq_sdhi1: regulator-vccq-sdhi1 {

		compatible = "regulator-gpio";

		regulator-name = "SDHI1 VccQ";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <3300000>;

		gpios = <&pinctrl RZT2H_GPIO(8, 6) GPIO_ACTIVE_HIGH>;

		gpios-states = <0>;

		states = <3300000 0>, <1800000 1>;

	};

#endif

};



&extal_clk {
@@ -93,6 +106,30 @@ ctrl-pins { 
				 <RZT2H_PORT_PINMUX(13, 2, 0x29)>; /* SD0_RST# */

		};

	};



#if SD1_MICRO_SD

	sdhi1-pwen-hog {

		gpio-hog;

		gpios = <RZT2H_GPIO(8, 5) GPIO_ACTIVE_HIGH>;

		output-high;

		line-name = "SD1_PWEN";

	};

#endif



	sdhi1_pins: sd1-group {

		data-pins {

			pinmux = <RZT2H_PORT_PINMUX(16, 7, 0x29)>, /* SD1_DATA0 */

				 <RZT2H_PORT_PINMUX(17, 0, 0x29)>, /* SD1_DATA1 */

				 <RZT2H_PORT_PINMUX(17, 1, 0x29)>, /* SD1_DATA2 */

				 <RZT2H_PORT_PINMUX(17, 2, 0x29)>; /* SD1_DATA3 */

		};



		ctrl-pins {

			pinmux = <RZT2H_PORT_PINMUX(16, 5, 0x29)>, /* SD1_CLK */

				 <RZT2H_PORT_PINMUX(16, 6, 0x29)>, /* SD1_CMD */

				 <RZT2H_PORT_PINMUX(17, 4, 0x29)>; /* SD1_CD */

		};

	};

};



&sci0 {
@@ -115,3 +152,17 @@ &sdhi0 { 
	status = "okay";

};

#endif



#if SD1_MICRO_SD

&sdhi1 {

	pinctrl-0 = <&sdhi1_pins>;

	pinctrl-1 = <&sdhi1_pins>;

	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;

	vqmmc-supply = <&vccq_sdhi1>;

	bus-width = <4>;

	sd-uhs-sdr50;

	sd-uhs-sdr104;

	status = "okay";

};

#endif