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SubjectRe: [PATCH v2 2/2] dt-bindings: opp: opp-v2-kryo-cpu: enlarge opp-supported-hw maximum
On Sun, 22 Jan 2023 at 19:46, Christian Marangi <ansuelsmth@gmail.com> wrote:
>
> Enlarge opp-supported-hw maximum value. In recent SoC we started
> matching more bit and we currently match mask of 112. The old maximum of
> 7 was good for old SoC that didn't had complex id, but now this is
> limiting and we need to enlarge it to support more variants.
>
> Document all the various mask that can be used and limit them to only
> reasonable values instead of using a generic maximum limit.
>
> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> ---
> .../bindings/opp/opp-v2-kryo-cpu.yaml | 20 +++++++++++++++++--
> 1 file changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
> index b4947b326773..908cb0d7695a 100644
> --- a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
> +++ b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
> @@ -50,12 +50,28 @@ patternProperties:
> opp-supported-hw:
> description: |
> A single 32 bit bitmap value, representing compatible HW.
> - Bitmap:
> + Bitmap for MSM8996 format:
> 0: MSM8996, speedbin 0
> 1: MSM8996, speedbin 1
> 2: MSM8996, speedbin 2
> 3-31: unused
> - maximum: 0x7
> +
> + Bitmap for MSM8996 later revision format:
> + 0: MSM8996, speedbin 0
> + 1: MSM8996, speedbin 1
> + 2: MSM8996, speedbin 2
> + 3: always set

This is used for speedbin 3

> + 4-31: unused
> +
> + Bitmap for MSM8996SG format (speedbin shifted of 4 left):
> + 0-3: unused
> + 4: MSM8996SG, speedbin 0
> + 5: MSM8996SG, speedbin 1
> + 6: MSM8996SG, speedbin 2
> + 7-31: unused
> + enum: [0x1, 0x2, 0x3, 0x4, 0x7,
> + 0x9, 0xd, 0xe, 0xf,
> + 0x10, 0x20, 0x30, 0x70]
>
> clock-latency-ns: true
>
> --
> 2.38.1
>


--
With best wishes
Dmitry

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