Commit 4d7624fc authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Geert Uytterhoeven
Browse files

arm64: dts: renesas: rzt2h-rzn2h-evk: Enable eMMC 



Enable eMMC on RZ/T2H and RZ/N2H EVKs. As SDHI0 can be connected to
either eMMC0/SD0 `SD0_EMMC` macro is added.

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/20250820200659.2048755-8-prabhakar.mahadev-lad.rj@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent 0176c9e8

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

+9 −0
Original line number Diff line number Diff line
@@ -8,6 +8,15 @@ 
/dts-v1/;



#include "r9a09g077m44.dtsi"



/*

 * SD0 can be connected to either eMMC (IC49) or SD card slot CN31

 * Lets by default enable the eMMC, note we need the below SW settings

 * for eMMC.

 * SW2[1] = ON; SW2[2] = ON

 */

#define SD0_EMMC	1



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



/ {

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

+10 −0
Original line number Diff line number Diff line
@@ -8,6 +8,16 @@ 
/dts-v1/;



#include "r9a09g087m44.dtsi"



/*

 * SD0 can be connected to either eMMC (U33) or SD card slot CN21

 * Lets by default enable the eMMC, note we need the below SW settings

 * for eMMC.

 * DSW5[1] = ON; DSW5[2] = ON

 * DSW17[5] = OFF; DSW17[6] = ON

 */

#define SD0_EMMC       1



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



/*

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

+62 −0
Original line number Diff line number Diff line
@@ -13,12 +13,31 @@ / { 
	aliases {

		i2c0 = &i2c0;

		i2c1 = &i2c1;

		mmc0 = &sdhi0;

		serial0 = &sci0;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};



	reg_1p8v: regulator-1p8v {

		compatible = "regulator-fixed";

		regulator-name = "fixed-1.8V";

		regulator-min-microvolt = <1800000>;

		regulator-max-microvolt = <1800000>;

		regulator-boot-on;

		regulator-always-on;

	};



	reg_3p3v: regulator-3p3v {

		compatible = "regulator-fixed";

		regulator-name = "fixed-3.3V";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-boot-on;

		regulator-always-on;

	};

};



&extal_clk {
@@ -46,6 +65,34 @@ sci0_pins: sci0-pins { 
		pinmux = <RZT2H_PORT_PINMUX(27, 4, 0x14)>,

			 <RZT2H_PORT_PINMUX(27, 5, 0x14)>;

	};



#if SD0_EMMC

	sdhi0-emmc-iovs-hog {

		gpio-hog;

		gpios = <RZT2H_GPIO(2, 6) GPIO_ACTIVE_HIGH>;

		output-high;

		line-name = "SD0_IOVS";

	};

#endif



	sdhi0_emmc_pins: sd0-emmc-group {

		data-pins {

			pinmux = <RZT2H_PORT_PINMUX(12, 2, 0x29)>, /* SD0_DATA0 */

				 <RZT2H_PORT_PINMUX(12, 3, 0x29)>, /* SD0_DATA1 */

				 <RZT2H_PORT_PINMUX(12, 4, 0x29)>, /* SD0_DATA2 */

				 <RZT2H_PORT_PINMUX(12, 5, 0x29)>, /* SD0_DATA3 */

				 <RZT2H_PORT_PINMUX(12, 6, 0x29)>, /* SD0_DATA4 */

				 <RZT2H_PORT_PINMUX(12, 7, 0x29)>, /* SD0_DATA5 */

				 <RZT2H_PORT_PINMUX(13, 0, 0x29)>, /* SD0_DATA6 */

				 <RZT2H_PORT_PINMUX(13, 1, 0x29)>; /* SD0_DATA7 */

		};



		ctrl-pins {

			pinmux = <RZT2H_PORT_PINMUX(12, 0, 0x29)>, /* SD0_CLK */

				 <RZT2H_PORT_PINMUX(12, 1, 0x29)>, /* SD0_CMD */

				 <RZT2H_PORT_PINMUX(13, 2, 0x29)>; /* SD0_RST# */

		};

	};

};



&sci0 {
@@ -53,3 +100,18 @@ &sci0 { 
	pinctrl-names = "default";

	status = "okay";

};



#if SD0_EMMC

&sdhi0 {

	pinctrl-0 = <&sdhi0_emmc_pins>;

	pinctrl-1 = <&sdhi0_emmc_pins>;

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

	vmmc-supply = <&reg_3p3v>;

	vqmmc-supply = <&reg_1p8v>;

	bus-width = <8>;

	non-removable;

	mmc-hs200-1_8v;

	fixed-emmc-driver-type = <1>;

	status = "okay";

};

#endif