rzv2-evk-cn15-sd.dtso

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Shared DT overlay for the microSD Sub Board (RTK0EF0186B01000BJ), which
 4 * is connected to the CN15 connector on the RZ/V2H and RZ/V2N EVKs.
 5 *
 6 * Copyright (C) 2025 Renesas Electronics Corp.
 7 */
 8
 9/dts-v1/;
10/plugin/;
11
12#include <dt-bindings/gpio/gpio.h>
13#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
14
15&{/} {
16	aliases {
17		mmc0 = "/soc/mmc@15c00000";
18	};
19
20	vqmmc_sdhi0: regulator-vqmmc-sdhi0 {
21		compatible = "regulator-gpio";
22		regulator-name = "SDHI0 VqmmC";
23		gpios = <&pinctrl RZG2L_GPIO(10, 0) GPIO_ACTIVE_HIGH>;
24		regulator-min-microvolt = <1800000>;
25		regulator-max-microvolt = <3300000>;
26		gpios-states = <0>;
27		states = <3300000 0>, <1800000 1>;
28		regulator-ramp-delay = <60>;
29	};
30};
31
32&pinctrl {
33	sdhi0-pwr-en-hog {
34		gpio-hog;
35		gpios = <RZG2L_GPIO(10, 1) GPIO_ACTIVE_HIGH>;
36		output-high;
37		line-name = "sd0_pwr_en";
38	};
39
40	sdhi0_pins: sd0 {
41		sd0-cd {
42			pinmux = <RZG2L_PORT_PINMUX(10, 5, 15)>; /* SD0_CD */
43		};
44
45		sd0-clk {
46			pins = "SD0CLK";
47			renesas,output-impedance = <3>;
48			slew-rate = <0>;
49		};
50
51		sd0-dat-cmd {
52			pins = "SD0DAT0", "SD0DAT1", "SD0DAT2", "SD0DAT3", "SD0CMD";
53			input-enable;
54			renesas,output-impedance = <3>;
55			slew-rate = <0>;
56		};
57	};
58};
59
60&sdhi0 {
61	pinctrl-0 = <&sdhi0_pins>;
62	pinctrl-1 = <&sdhi0_pins>;
63	pinctrl-names = "default", "state_uhs";
64	vmmc-supply = <&reg_3p3v>;
65	vqmmc-supply = <&vqmmc_sdhi0>;
66	bus-width = <4>;
67	sd-uhs-sdr50;
68	sd-uhs-sdr104;
69	status = "okay";
70};