On Tue 25 May 15:02 CDT 2021, Konrad Dybcio wrote:
> Add an overlay for MSM8996v3.0, which is a pre-final revision
> of the said SoC. It has some stark differences with regards to
> GPU, or more specifically its power delivery path. Oh, and of
> course a different msm-id.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/msm8996-v3.0.dtsi | 59 ++++++++++++++++++++++
> 1 file changed, 59 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/msm8996-v3.0.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8996-v3.0.dtsi b/arch/arm64/boot/dts/qcom/msm8996-v3.0.dtsi
> new file mode 100644
> index 000000000000..b46f10b7413a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/msm8996-v3.0.dtsi
> @@ -0,0 +1,59 @@
> +// SPDX-License-Identifier: GPL-2.0
BSD license?
> +/*
> + * Copyright (c) 2021, Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
> + */
> +
> +#include "msm8996.dtsi"
> +
> + / {
> + qcom,msm-id = <246 0x30000>;
> + };
> +
> + /*
> + * This revision seems to have differ GPU CPR
> + * parameters, GPU frequencies and some differences
> + * when it comes to voltage delivery to.. once again
> + * the GPU. Funnily enough, it's simpler to make it an
> + * overlay on top of 3.1 (the final one) than vice versa.
> + * The differences will show here as more and more
> + * features get enabled upstream.
> + */
> +
> +gpu_opp_table_3_0: gpu-opp-table-30 {
Unused for now?
Can you link it up this with the &gpu even if you don't enable it
for now?
Regards,
Bjorn
> + compatible = "operating-points-v2";
> +
> + opp-624000000 {
> + opp-hz = /bits/ 64 <624000000>;
> + opp-level = <7>;
> + };
> +
> + opp-560000000 {
> + opp-hz = /bits/ 64 <560000000>;
> + opp-level = <6>;
> + };
> +
> + opp-510000000 {
> + opp-hz = /bits/ 64 <510000000>;
> + opp-level = <5>;
> + };
> +
> + opp-401800000 {
> + opp-hz = /bits/ 64 <401800000>;
> + opp-level = <4>;
> + };
> +
> + opp-315000000 {
> + opp-hz = /bits/ 64 <315000000>;
> + opp-level = <3>;
> + };
> +
> + opp-214000000 {
> + opp-hz = /bits/ 64 <214000000>;
> + opp-level = <3>;
> + };
> +
> + opp-133000000 {
> + opp-hz = /bits/ 64 <133000000>;
> + opp-level = <3>;
> + };
> +};
> --
> 2.31.1
>
