On Sun, Jan 22, 2023 at 03:31:14PM +0100, Krzysztof Kozlowski wrote: > 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. > There are some required changes to do on the driver so the opp series still have to be submitted so I guess dropping this is the only way currently. But it's not a problem the real important patch in the series is the first one. -- Ansuel
