From a2130d9123b23d74a717f52240fa3cb92bf8113c Mon Sep 17 00:00:00 2001 From: Yao Zi Date: Thu, 8 May 2025 23:48:30 +0000 Subject: [PATCH] arm64: dts: rockchip: Enable SD-card interface on Radxa E20C SD-card is available on Radxa E20C board. Signed-off-by: Yao Zi Reviewed-by: Jonas Karlman Link: https://lore.kernel.org/r/20250508234829.27111-4-ziyao@disroot.org Signed-off-by: Heiko Stuebner --- .../boot/dts/rockchip/rk3528-radxa-e20c.dts | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts index 0942baba6b8fe..d45b6594b2dec 100644 --- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts @@ -18,6 +18,7 @@ aliases { mmc0 = &sdhci; + mmc1 = &sdmmc; }; chosen { @@ -130,6 +131,18 @@ regulator-max-microvolt = <5000000>; }; + vccio_sd: regulator-vccio-sd { + compatible = "regulator-gpio"; + gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc_vol_ctrl_h>; + regulator-name = "vccio_sd"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + states = <1800000 0x0>, <3300000 0x1>; + vin-supply = <&vcc5v0_sys>; + }; + vdd_arm: regulator-vdd-arm { compatible = "pwm-regulator"; pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>; @@ -205,6 +218,12 @@ rockchip,pins = <4 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>; }; }; + + sdmmc { + sdmmc_vol_ctrl_h: sdmmc-vol-ctrl-h { + rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; }; &pwm1 { @@ -235,6 +254,17 @@ status = "okay"; }; +&sdmmc { + bus-width = <4>; + cap-mmc-highspeed; + cap-sd-highspeed; + disable-wp; + sd-uhs-sdr104; + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vccio_sd>; + status = "okay"; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0m0_xfer>; -- 2.50.1