On 22/01/2023 15:21, Christian Marangi wrote: > On Sun, Jan 22, 2023 at 03:17:54PM +0100, Krzysztof Kozlowski wrote: >> 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? >> > > It should have been added from the start when the schema was submitted > but I get what you mean with the other question. > >>> >>>>> + 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... >> > > Ok, will drop this and make it part of the ipq8064 opp series that will use > this binding. You can also link the DTS changes, it's also fine. Best regards, Krzysztof
