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// 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";
};
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