1*3d6c2bc7SLad Prabhakar// SPDX-License-Identifier: GPL-2.0 2*3d6c2bc7SLad Prabhakar/* 3*3d6c2bc7SLad Prabhakar * Shared DT overlay for the microSD Sub Board (RTK0EF0186B01000BJ), which 4*3d6c2bc7SLad Prabhakar * is connected to the CN15 connector on the RZ/V2H and RZ/V2N EVKs. 5*3d6c2bc7SLad Prabhakar * 6*3d6c2bc7SLad Prabhakar * Copyright (C) 2025 Renesas Electronics Corp. 7*3d6c2bc7SLad Prabhakar */ 8*3d6c2bc7SLad Prabhakar 9*3d6c2bc7SLad Prabhakar/dts-v1/; 10*3d6c2bc7SLad Prabhakar/plugin/; 11*3d6c2bc7SLad Prabhakar 12*3d6c2bc7SLad Prabhakar#include <dt-bindings/gpio/gpio.h> 13*3d6c2bc7SLad Prabhakar#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> 14*3d6c2bc7SLad Prabhakar 15*3d6c2bc7SLad Prabhakar&{/} { 16*3d6c2bc7SLad Prabhakar aliases { 17*3d6c2bc7SLad Prabhakar mmc0 = "/soc/mmc@15c00000"; 18*3d6c2bc7SLad Prabhakar }; 19*3d6c2bc7SLad Prabhakar 20*3d6c2bc7SLad Prabhakar vqmmc_sdhi0: regulator-vqmmc-sdhi0 { 21*3d6c2bc7SLad Prabhakar compatible = "regulator-gpio"; 22*3d6c2bc7SLad Prabhakar regulator-name = "SDHI0 VqmmC"; 23*3d6c2bc7SLad Prabhakar gpios = <&pinctrl RZG2L_GPIO(10, 0) GPIO_ACTIVE_HIGH>; 24*3d6c2bc7SLad Prabhakar regulator-min-microvolt = <1800000>; 25*3d6c2bc7SLad Prabhakar regulator-max-microvolt = <3300000>; 26*3d6c2bc7SLad Prabhakar gpios-states = <0>; 27*3d6c2bc7SLad Prabhakar states = <3300000 0>, <1800000 1>; 28*3d6c2bc7SLad Prabhakar }; 29*3d6c2bc7SLad Prabhakar}; 30*3d6c2bc7SLad Prabhakar 31*3d6c2bc7SLad Prabhakar&pinctrl { 32*3d6c2bc7SLad Prabhakar sdhi0-pwr-en-hog { 33*3d6c2bc7SLad Prabhakar gpio-hog; 34*3d6c2bc7SLad Prabhakar gpios = <RZG2L_GPIO(10, 1) GPIO_ACTIVE_HIGH>; 35*3d6c2bc7SLad Prabhakar output-high; 36*3d6c2bc7SLad Prabhakar line-name = "sd0_pwr_en"; 37*3d6c2bc7SLad Prabhakar }; 38*3d6c2bc7SLad Prabhakar 39*3d6c2bc7SLad Prabhakar sdhi0_pins: sd0 { 40*3d6c2bc7SLad Prabhakar sd0-cd { 41*3d6c2bc7SLad Prabhakar pinmux = <RZG2L_PORT_PINMUX(10, 5, 15)>; /* SD0_CD */ 42*3d6c2bc7SLad Prabhakar }; 43*3d6c2bc7SLad Prabhakar 44*3d6c2bc7SLad Prabhakar sd0-clk { 45*3d6c2bc7SLad Prabhakar pins = "SD0CLK"; 46*3d6c2bc7SLad Prabhakar renesas,output-impedance = <3>; 47*3d6c2bc7SLad Prabhakar slew-rate = <0>; 48*3d6c2bc7SLad Prabhakar }; 49*3d6c2bc7SLad Prabhakar 50*3d6c2bc7SLad Prabhakar sd0-dat-cmd { 51*3d6c2bc7SLad Prabhakar pins = "SD0DAT0", "SD0DAT1", "SD0DAT2", "SD0DAT3", "SD0CMD"; 52*3d6c2bc7SLad Prabhakar input-enable; 53*3d6c2bc7SLad Prabhakar renesas,output-impedance = <3>; 54*3d6c2bc7SLad Prabhakar slew-rate = <0>; 55*3d6c2bc7SLad Prabhakar }; 56*3d6c2bc7SLad Prabhakar }; 57*3d6c2bc7SLad Prabhakar}; 58*3d6c2bc7SLad Prabhakar 59*3d6c2bc7SLad Prabhakar&sdhi0 { 60*3d6c2bc7SLad Prabhakar pinctrl-0 = <&sdhi0_pins>; 61*3d6c2bc7SLad Prabhakar pinctrl-1 = <&sdhi0_pins>; 62*3d6c2bc7SLad Prabhakar pinctrl-names = "default", "state_uhs"; 63*3d6c2bc7SLad Prabhakar vmmc-supply = <®_3p3v>; 64*3d6c2bc7SLad Prabhakar vqmmc-supply = <&vqmmc_sdhi0>; 65*3d6c2bc7SLad Prabhakar bus-width = <4>; 66*3d6c2bc7SLad Prabhakar sd-uhs-sdr50; 67*3d6c2bc7SLad Prabhakar sd-uhs-sdr104; 68*3d6c2bc7SLad Prabhakar status = "okay"; 69*3d6c2bc7SLad Prabhakar}; 70