diff options
Diffstat (limited to 'arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso b/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso new file mode 100644 index 000000000000..0af1e0a6c7f4 --- /dev/null +++ b/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Shared DT overlay for the microSD Sub Board (RTK0EF0186B01000BJ), which + * is connected to the CN15 connector on the RZ/V2H and RZ/V2N EVKs. + * + * Copyright (C) 2025 Renesas Electronics Corp. + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> + +&{/} { + aliases { + mmc0 = "/soc/mmc@15c00000"; + }; + + vqmmc_sdhi0: regulator-vqmmc-sdhi0 { + compatible = "regulator-gpio"; + regulator-name = "SDHI0 VqmmC"; + gpios = <&pinctrl RZG2L_GPIO(10, 0) GPIO_ACTIVE_HIGH>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios-states = <0>; + states = <3300000 0>, <1800000 1>; + }; +}; + +&pinctrl { + sdhi0-pwr-en-hog { + gpio-hog; + gpios = <RZG2L_GPIO(10, 1) GPIO_ACTIVE_HIGH>; + output-high; + line-name = "sd0_pwr_en"; + }; + + sdhi0_pins: sd0 { + sd0-cd { + pinmux = <RZG2L_PORT_PINMUX(10, 5, 15)>; /* SD0_CD */ + }; + + sd0-clk { + pins = "SD0CLK"; + renesas,output-impedance = <3>; + slew-rate = <0>; + }; + + sd0-dat-cmd { + pins = "SD0DAT0", "SD0DAT1", "SD0DAT2", "SD0DAT3", "SD0CMD"; + input-enable; + renesas,output-impedance = <3>; + slew-rate = <0>; + }; + }; +}; + +&sdhi0 { + pinctrl-0 = <&sdhi0_pins>; + pinctrl-1 = <&sdhi0_pins>; + pinctrl-names = "default", "state_uhs"; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <&vqmmc_sdhi0>; + bus-width = <4>; + sd-uhs-sdr50; + sd-uhs-sdr104; + status = "okay"; +}; |