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

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Enable SD card slot which is connected to SDHI0 on the RZ/T2H and
RZ/N2H EVKs.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250820200659.2048755-10-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Lad Prabhakar
2025-08-20 21:06:59 +01:00
committed by Geert Uytterhoeven
parent dba8ee27c5
commit d065453e5e
3 changed files with 65 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
View File

@@ -14,8 +14,13 @@
* Lets by default enable the eMMC, note we need the below SW settings
* for eMMC.
* SW2[1] = ON; SW2[2] = ON
*
* To enable SD card and disable eMMC on SDHI0 disable the below macro
* and set the below switch setting:
* SW2[1] = OFF; SW2[2] = ON
*/
#define SD0_EMMC 1
#define SD0_SD (!SD0_EMMC)
/*
* P17_4 = SD1_CD; SW2[3] = ON

9
arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts
View File

@@ -15,8 +15,17 @@
* for eMMC.
* DSW5[1] = ON; DSW5[2] = ON
* DSW17[5] = OFF; DSW17[6] = ON
*
* To enable SD card and disable eMMC on SDHI0 disable the below macro
* and set the below switch setting:
* DSW5[1] = OFF; DSW5[2] = ON
* P22_6 = SD0_WP; DSW15[1] = OFF; DSW15[2] = ON
* P22_5 = SD0_CD; DSW15[3] = OFF; DSW15[4] = ON
* P02_6 = SD0_IOVS; DSW17[5] = OFF; DSW17[6] = ON
* P02_5 = SD0_PWEN; DSW17[7] = OFF; DSW17[8] = ON
*/
#define SD0_EMMC 1
#define SD0_SD (!SD0_EMMC)
/*
* P17_4 = SD1_CD; DSW5[3] = ON; DSW19[1] = OFF; DSW19[2] = ON

51
arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
View File

@@ -40,6 +40,18 @@
regulator-always-on;
};
#if SD0_SD
vqmmc_sdhi0: regulator-vqmmc-sdhi0 {
compatible = "regulator-gpio";
regulator-name = "SDHI0 VqmmC";
gpios = <&pinctrl RZT2H_GPIO(2, 6) GPIO_ACTIVE_HIGH>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios-states = <0>;
states = <3300000 0>, <1800000 1>;
};
#endif
#if SD1_MICRO_SD
vccq_sdhi1: regulator-vccq-sdhi1 {
compatible = "regulator-gpio";
@@ -107,6 +119,31 @@
};
};
#if SD0_SD
sdhi0-pwen-hog {
gpio-hog;
gpios = <RZT2H_GPIO(2, 5) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "SD0_PWEN";
};
#endif
sdhi0_sd_pins: sd0-sd-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 */
};
ctrl-pins {
pinmux = <RZT2H_PORT_PINMUX(12, 0, 0x29)>, /* SD0_CLK */
<RZT2H_PORT_PINMUX(12, 1, 0x29)>, /* SD0_CMD */
<RZT2H_PORT_PINMUX(22, 5, 0x29)>, /* SD0_CD */
<RZT2H_PORT_PINMUX(22, 6, 0x29)>; /* SD0_WP */
};
};
#if SD1_MICRO_SD
sdhi1-pwen-hog {
gpio-hog;
@@ -153,6 +190,20 @@
};
#endif
#if SD0_SD
&sdhi0 {
pinctrl-0 = <&sdhi0_sd_pins>;
pinctrl-1 = <&sdhi0_sd_pins>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vqmmc_sdhi0>;
bus-width = <4>;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
};
#endif
#if SD1_MICRO_SD
&sdhi1 {
pinctrl-0 = <&sdhi1_pins>;