[PATCH v2 13/14] dt-bindings: pinctrl: add binding for Ralink RT305X pinctrl

[Arınç ÜNAL]

On 19/04/2022 21:05, Rob Herring wrote:
> On Thu, Apr 14, 2022 at 08:39:15PM +0300, Arınç ÜNAL wrote:
>> Add binding for the Ralink RT305X pin controller for RT3050, RT3052,
>> RT3350, RT3352 and RT5350 SoCs.
>>
>> Signed-off-by: Arınç ÜNAL <arinc.unal at arinc9.com>
>> ---
>>   .../pinctrl/ralink,rt305x-pinctrl.yaml        | 92 +++++++++++++++++++
>>   1 file changed, 92 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
>> new file mode 100644
>> index 000000000000..425401c54269
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pinctrl/ralink,rt305x-pinctrl.yaml
>> @@ -0,0 +1,92 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/pinctrl/ralink,rt305x-pinctrl.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Ralink RT305X Pin Controller
>> +
>> +maintainers:
>> +  - Arınç ÜNAL <arinc.unal at arinc9.com>
>> +  - Sergio Paracuellos <sergio.paracuellos at gmail.com>
>> +
>> +description:
>> +  Ralink RT305X pin controller for RT3050, RT3052, RT3350, RT3352 and RT5350
>> +  SoCs.
>> +  The pin controller can only set the muxing of pin groups. Muxing individual
>> +  pins is not supported. There is no pinconf support.
>> +
>> +properties:
>> +  compatible:
>> +    const: ralink,rt305x-pinctrl
> 
> You should have a compatible for each SoC unless these are all just
> fused or package varients of the same chip.

The rt305x pin controller calls code from 
arch/mips/include/asm/mach-ralink/rt305x.h to determine the SoC and uses 
different pinmux data by the result of the determination.

I guess we can call this fused.

Arınç