[PATCH v3 1/2] riscv: dts: spacemit: add fixed regulators for OrangePi R2S
Yixun Lan
dlan at kernel.org
Mon May 11 00:07:18 PDT 2026
Hi Chukun,
On 18:00 Fri 10 Apr , Chukun Pan wrote:
> Define the power input and the 4V power as fixed regulator supplies.
>
> Signed-off-by: Chukun Pan <amadeus at jmu.edu.cn>
> ---
> .../boot/dts/spacemit/k1-orangepi-r2s.dts | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
> index de75f6aac740..409a6db269ae 100644
> --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
> +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-r2s.dts
> @@ -21,6 +21,25 @@ aliases {
> chosen {
> stdout-path = "serial0";
> };
> +
> + vcc_5v0: regulator-vcc-5v0 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_5v0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + vcc4v0: regulator-vcc4v0 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc4v0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <4000000>;
> + regulator-max-microvolt = <4000000>;
> + vin-supply = <&vcc_5v0>;
> + };
> };
please check my comment below, I think this patch has similar issue
https://lore.kernel.org/all/20260511065338-GKA3624147@kernel.org/
--
Yixun Lan (dlan)
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