[PATCH] arm64: dts: rockchip: add workaround for microSD card detection on Radxa ROCK 3A

FUKAUMI Naoki naoki at radxa.com
Tue Sep 3 01:55:50 PDT 2024


Radxa ROCK 3A doesn't detect microSD card insertion/removal correctly.
it happens from Linux v5.19 to v6.11-rc6.

add workaround (broken-cd property) to make CD work.

Fixes: 22a442e6586c ("arm64: dts: rockchip: add basic dts for the radxa rock3 model a")
Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
---
 arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 59f1403b4fa5..89599258ef9c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -722,12 +722,12 @@ &sdhci {
 };
 
 &sdmmc0 {
+	broken-cd;
 	bus-width = <4>;
 	cap-sd-highspeed;
-	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
+	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd>;
 	sd-uhs-sdr50;
 	vmmc-supply = <&vcc3v3_sd>;
 	vqmmc-supply = <&vccio_sd>;
-- 
2.43.0




More information about the Linux-rockchip mailing list