On 21/08/2022 20:30, Clément Péron wrote:
> Add an Operating Performance Points table for the GPU to
> enable Dynamic Voltage & Frequency Scaling on the H6.
>
> The voltage range is set with minival voltage set to the target
> and the maximal voltage set to 1.2V. This allow DVFS framework to
> work properly on board with fixed regulator.
>
> Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
> ---
> .../boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi | 88 +++++++++++++++++++
> 1 file changed, 88 insertions(+)
> create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi
> new file mode 100644
> index 000000000000..a66204243515
> --- /dev/null
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi
> @@ -0,0 +1,88 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +// Copyright (C) 2022 Clément Péron <peron.clem@xxxxxxxxx>
> +
> +/ {
> + gpu_opp_table: gpu-opp-table {
I don't think you tested the change with dtbs_check. This does not match
the bindings.
> + compatible = "operating-points-v2";
> +
> + opp@216000000 {
> + opp-hz = /bits/ 64 <216000000>;
> + opp-microvolt = <810000 810000 1200000>;
> + };
> +
> + opp@264000000 {
> + opp-hz = /bits/ 64 <264000000>;
> + opp-microvolt = <810000 810000 1200000>;
> + };
> +
> + opp@312000000 {
> + opp-hz = /bits/ 64 <312000000>;
> + opp-microvolt = <810000 810000 1200000>;
> + };
> +
> + opp@336000000 {
> + opp-hz = /bits/ 64 <336000000>;
> + opp-microvolt = <810000 810000 1200000>;
> + };
> +
> + opp@360000000 {
> + opp-hz = /bits/ 64 <360000000>;
> + opp-microvolt = <820000 820000 1200000>;
> + };
> +
> + opp@384000000 {
> + opp-hz = /bits/ 64 <384000000>;
> + opp-microvolt = <830000 830000 1200000>;
> + };
> +
> + opp@408000000 {
> + opp-hz = /bits/ 64 <408000000>;
> + opp-microvolt = <840000 840000 1200000>;
> + };
> +
> + opp@420000000 {
> + opp-hz = /bits/ 64 <420000000>;
> + opp-microvolt = <850000 850000 1200000>;
> + };
> +
> + opp@432000000 {
> + opp-hz = /bits/ 64 <432000000>;
> + opp-microvolt = <860000 860000 1200000>;
> + };
> +
> + opp@456000000 {
> + opp-hz = /bits/ 64 <456000000>;
> + opp-microvolt = <870000 870000 1200000>;
> + };
> +
> + opp@504000000 {
> + opp-hz = /bits/ 64 <504000000>;
> + opp-microvolt = <890000 890000 1200000>;
> + };
> +
> + opp@540000000 {
> + opp-hz = /bits/ 64 <540000000>;
> + opp-microvolt = <910000 910000 1200000>;
> + };
> +
> + opp@576000000 {
> + opp-hz = /bits/ 64 <576000000>;
> + opp-microvolt = <930000 930000 1200000>;
> + };
> +
> + opp@624000000 {
> + opp-hz = /bits/ 64 <624000000>;
> + opp-microvolt = <950000 950000 1200000>;
> + };
> +
> + opp@756000000 {
> + opp-hz = /bits/ 64 <756000000>;
> + opp-microvolt = <1040000 1040000 1200000>;
> + };
> + };
> +
No need for such blank lines.
Best regards,
Krzysztof
