On 22/01/2023 15:15, Christian Marangi wrote: > On Sun, Jan 22, 2023 at 03:00:22PM +0100, Krzysztof Kozlowski wrote: >> On 21/01/2023 01:01, Christian Marangi wrote: >>> The operating-points-v2-kryo-cpu driver supports defining multiple >>> opp-microvolt based on the blown efuses in the soc. It consist of 3 >>> values that are parsed: speedbin, psv and version. They are all >>> appended to the opp-microvolt name and selected by the nvmem driver and >>> loaded dynamically at runtime. >>> >>> Example: >>> >>> opp-microvolt-speed0-pvs0-v0 = <1050000 997500 1102500>; >>> opp-microvolt-speed0-pvs1-v0 = <975000 926250 1023750>; >>> opp-microvolt-speed0-pvs2-v0 = <925000 878750 971250>; >>> opp-microvolt-speed0-pvs3-v0 = <850000 807500 892500>; >>> >>> Add support for this and reject these special binding if we don't have a >>> nvmem-cell to read data from. >>> >>> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx> >>> --- >>> .../devicetree/bindings/opp/opp-v2-kryo-cpu.yaml | 16 ++++++++++++++++ >>> 1 file changed, 16 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml >>> index b4947b326773..cea932339faf 100644 >>> --- a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml >>> +++ b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml >>> @@ -61,6 +61,17 @@ patternProperties: >>> >>> required-opps: true >>> >>> + patternProperties: >>> + '^opp-microvolt-speed[0-9]-pvs[0-9]-v[0-9]$': >> >> This does not end with correct unit suffix. Should be >> opp-speed-.....-microvolt >> > > I think I didn't understand this? > > From opp-v2-base and from what we are using downstream, the named > opp-micrvolt works correctly. > > (speed[0-9]-pvs[0-9]-v[0-9] is the entire name of the named > opp-microvolt- binding) > > This is the reference I always used for the pattern. [1] > Here the pattern used by the driver. [2] > > [1] https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/opp/opp-v2-base.yaml#L209 > [2] https://elixir.bootlin.com/linux/latest/source/drivers/cpufreq/qcom-cpufreq-nvmem.c#L238 Are you documenting existing property or adding new? Commit msg suggests you add new property, so what do you reference here? How is it related? > >>> + description: | >>> + Assign a microvolt value to the opp hz based on the efuses value from >>> + speedbin, pvs and vers >> >> Where is the DTS change? > > You mean an additional example that use this additional binding? This > may be difficult to add since the current example in this schema is a > root one and I can't put multiple root example. No, I mean, you DTS using it. We do not want empty (unused) bindings... Best regards, Krzysztof
