From: Yao Zi <ziyao@disroot.org>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Heiko Stuebner <heiko@sntech.de>, Jonas Karlman <jonas@kwiboo.se>,
Yao Zi <ziyao@disroot.org>, Chukun Pan <amadeus@jmu.edu.cn>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v6 2/2] arm64: dts: rockchip: Enable SD-card interface on Radxa E20C
Date: Thu, 8 May 2025 23:48:30 +0000 [thread overview]
Message-ID: <20250508234829.27111-4-ziyao@disroot.org> (raw)
In-Reply-To: <20250508234829.27111-2-ziyao@disroot.org>
SD-card is available on Radxa E20C board.
Signed-off-by: Yao Zi <ziyao@disroot.org>
---
.../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 0942baba6b8f..d45b6594b2de 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 @@ vcc5v0_sys: regulator-5v0-vcc-sys {
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 @@ wan_led_g: wan-led-g {
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 @@ &sdhci {
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>;
--
2.49.0
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next prev parent reply other threads:[~2025-05-08 23:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-08 23:48 [PATCH v6 0/2] Support SD/SDIO controllers on RK3528 Yao Zi
2025-05-08 23:48 ` [PATCH v6 1/2] arm64: dts: rockchip: Add SDMMC/SDIO controllers for RK3528 Yao Zi
2025-05-09 6:38 ` Jonas Karlman
2025-05-08 23:48 ` Yao Zi [this message]
2025-05-09 6:39 ` [PATCH v6 2/2] arm64: dts: rockchip: Enable SD-card interface on Radxa E20C Jonas Karlman
2025-05-09 20:00 ` [PATCH v6 0/2] Support SD/SDIO controllers on RK3528 Heiko Stuebner
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