Subject: [PATCH] arm64: dts: rockchip: regulator for sd needs to be always on for BPI-R2Pro

With default dts configuration for BPI-R2Pro, the regulator for sd card is
powered off when reboot is commanded, and the only solution to detect the
sd card again, and therefore, allow rebooting from there, is to do a
hardware reset.

Configure the regulator for sd to be always on for BPI-R2Pro in order to
avoid this issue.

Signed-off-by: Jose Ignacio Tornos Martinez <[email protected]>
---
arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index f9127ddfbb7d..b3ea54b6ba37 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -416,6 +416,8 @@ regulator-state-mem {

vccio_sd: LDO_REG5 {
regulator-name = "vccio_sd";
+ regulator-always-on;
+ regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;

--
2.43.2



2024-04-11 18:43:14

by Heiko Stübner

[permalink] [raw]
Subject: Re: [PATCH] arm64: dts: rockchip: regulator for sd needs to be always on for BPI-R2Pro

On Tue, 5 Mar 2024 15:32:18 +0100, Jose Ignacio Tornos Martinez wrote:
> With default dts configuration for BPI-R2Pro, the regulator for sd card is
> powered off when reboot is commanded, and the only solution to detect the
> sd card again, and therefore, allow rebooting from there, is to do a
> hardware reset.
>
> Configure the regulator for sd to be always on for BPI-R2Pro in order to
> avoid this issue.
>
> [...]

Applied, thanks!

[1/1] arm64: dts: rockchip: regulator for sd needs to be always on for BPI-R2Pro
commit: 433d54818f64a2fe0562f8c04c7a81f562368515

Best regards,
--
Heiko Stuebner <[email protected]>