diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2025-08-20 23:06:59 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2025-09-12 12:14:53 +0300 |
| commit | d065453e5ee097193e3da3f7a8aafcdfabbaf78f (patch) | |
| tree | a54e5600d4271aee48a9d93b9ed3f5d4a7de0ea6 | |
| parent | dba8ee27c5de15c3c347816bb189af939092aea9 (diff) | |
| download | linux-d065453e5ee097193e3da3f7a8aafcdfabbaf78f.tar.xz | |
arm64: dts: renesas: rzt2h-rzn2h-evk: Enable SD card slot
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>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts | 5 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts | 9 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi | 51 |
3 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts index 37330c837f64..264f7ddb8cc5 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts @@ -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 diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts index 87178933bee8..80f358fb2d74 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts @@ -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 diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi index 34572630ecbe..8b9d04dce8ae 100644 --- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi +++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi @@ -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 = <®_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>; |