Re: [PATCH v1 3/4] arm64: dts: rockchip: rk3588-rock5b: Enable GPU

From: Boris Brezillon
Date: Mon Mar 25 2024 - 13:11:37 EST


On Mon, 25 Mar 2024 16:37:20 +0100
Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> wrote:

> From: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
>
> Enable the Mali GPU in the Rock 5B.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>

I don't remember writing this patch ;-), maybe I screwed authorship at
some point, dunno.

> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
> index 1fe8b2a0ed75..096ee7a98b89 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
> @@ -180,6 +180,11 @@ &cpu_l3 {
> cpu-supply = <&vdd_cpu_lit_s0>;
> };
>
> +&gpu {
> + mali-supply = <&vdd_gpu_s0>;
> + status = "okay";
> +};
> +
> &i2c0 {
> pinctrl-names = "default";
> pinctrl-0 = <&i2c0m2_xfer>;
> @@ -470,6 +475,7 @@ rk806_dvs3_null: dvs3-null-pins {
>
> regulators {
> vdd_gpu_s0: vdd_gpu_mem_s0: dcdc-reg1 {
> + regulator-always-on;

Hm, should we mention why the regulator is always on here?

> regulator-boot-on;
> regulator-min-microvolt = <550000>;
> regulator-max-microvolt = <950000>;