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arm64: dts: renesas: r9a09g047e57-smarc: Enable SDHI1

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Enable SDHI1 on the RZ/G3E SMARC EVK platform using gpio regulator for
voltage switching.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250206134047.67866-9-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Biju Das 2025-02-06 13:40:32 +00:00 committed by Geert Uytterhoeven
parent 4c85281bed
commit ae9edcbc71
2 changed files with 64 additions and 0 deletions
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46
arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
View File

@ -9,7 +9,9 @@
/* Switch selection settings */
#define SW_SD0_DEV_SEL 0
#define SW_SDIO_M2E 0
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/renesas,r9a09g047-pinctrl.h>
#include "r9a09g047e57.dtsi"
#include "rzg3e-smarc-som.dtsi"
@ -19,6 +21,16 @@ / {
model = "Renesas SMARC EVK version 2 based on r9a09g047e57";
compatible = "renesas,smarc2-evk", "renesas,rzg3e-smarcm",
"renesas,r9a09g047e57", "renesas,r9a09g047";
vqmmc_sd1_pvdd: regulator-vqmmc-sd1-pvdd {
compatible = "regulator-gpio";
regulator-name = "SD1_PVDD";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&pinctrl RZG3E_GPIO(1, 5) GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
states = <3300000 0>, <1800000 1>;
};
};
&pinctrl {
@ -26,9 +38,43 @@ scif_pins: scif {
pins = "SCIF_TXD", "SCIF_RXD";
renesas,output-impedance = <1>;
};
sd1-pwr-en-hog {
gpio-hog;
gpios = <RZG3E_GPIO(1, 6) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "sd1_pwr_en";
};
sdhi1_pins: sd1 {
sd1-cd {
pinmux = <RZG3E_PORT_PINMUX(1, 4, 8)>; /* SD1CD */
};
sd1-ctrl {
pinmux = <RZG3E_PORT_PINMUX(G, 0, 1)>, /* SD1CLK */
<RZG3E_PORT_PINMUX(G, 1, 1)>; /* SD1CMD */
};
sd1-data {
pinmux = <RZG3E_PORT_PINMUX(G, 2, 1)>, /* SD1DAT0 */
<RZG3E_PORT_PINMUX(G, 3, 1)>, /* SD1DAT1 */
<RZG3E_PORT_PINMUX(G, 4, 1)>, /* SD1DAT2 */
<RZG3E_PORT_PINMUX(G, 5, 1)>; /* SD1DAT3 */
};
};
};
&scif0 {
pinctrl-0 = <&scif_pins>;
pinctrl-names = "default";
};
&sdhi1 {
pinctrl-0 = <&sdhi1_pins>;
pinctrl-1 = <&sdhi1_pins>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vqmmc_sd1_pvdd>;
};

18
arch/arm64/boot/dts/renesas/renesas-smarc2.dtsi
View File

@ -5,6 +5,15 @@
* Copyright (C) 2024 Renesas Electronics Corp.
*/
/*
* Please set the switch position SW_OPT_MUX.1 on the carrier board and the
* corresponding macro SW_SDIO_M2E on the board DTS:
*
* SW_SDIO_M2E:
* 0 - SMARC SDIO signal is connected to uSD1
* 1 - SMARC SDIO signal is connected to M.2 Key E connector
*/
/ {
model = "Renesas RZ SMARC Carrier-II Board";
compatible = "renesas,smarc2-evk";
@ -16,9 +25,18 @@ chosen {
aliases {
serial3 = &scif0;
mmc1 = &sdhi1;
};
};
&scif0 {
status = "okay";
};
&sdhi1 {
bus-width = <4>;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
};