[RFC PATCH] arm64: dts: rockchip: Fix microSD card detect for Radxa ROCK 5 ITX

FUKAUMI Naoki naoki at radxa.com
Sun Nov 9 19:00:36 PST 2025


Due to the discussion about cd-gpios and sdmmmc_det pin
functionality[1], it would be better to use cd-gpios for now.

[1] https://lore.kernel.org/linux-rockchip/20240912152538.1.I858c2a0bf83606c8b59ba1ab6944978a398d2ac5@changeid/T/#u

Fixes: 31390eb8ffbf2 ("arm64: dts: rockchip: add ROCK 5 ITX board")
Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
---
 arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
index bc8140883de47..391c6482e8ee3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts
@@ -670,6 +670,12 @@ led_pins: led-pins {
 		};
 	};
 
+	mmc {
+		sdmmc_det_gpio: sdmmc-det-gpio {
+			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	pcie {
 		pcie20x1_2_perstn: pcie20x1-2-perstn {
 			rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -795,12 +801,13 @@ &sdmmc {
 	bus-width = <4>;
 	cap-mmc-highspeed;
 	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	max-frequency = <200000000>;
 	no-sdio;
 	no-mmc;
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_det>;
+	pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_det_gpio>;
 	sd-uhs-sdr104;
 	vmmc-supply = <&vcc_3v3_s3>;
 	vqmmc-supply = <&vccio_sd_s0>;
-- 
2.43.0




More information about the Linux-rockchip mailing list