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SubjectRe: [PATCH v3 1/2] dt-bindings: reset: Add YAML schemas for the Intel Reset controller
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On 11/23/2019 8:42 AM, Rob Herring wrote:
> On Wed, Nov 20, 2019 at 02:10:23PM +0800, Dilip Kota wrote:
>> Add YAML schemas for the reset controller on Intel
>> Gateway SoC.
>>
>> Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com>
>> ---
>> Changes on v3:
>> Fix DTC warnings
>> Add support to legacy xrx200 SoC
>> Change file name to intel,rcu-gw.yaml
>>
>> .../devicetree/bindings/reset/intel,rcu-gw.yaml | 59 ++++++++++++++++++++++
>> 1 file changed, 59 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/reset/intel,rcu-gw.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/reset/intel,rcu-gw.yaml b/Documentation/devicetree/bindings/reset/intel,rcu-gw.yaml
>> new file mode 100644
>> index 000000000000..743be2c49fb8
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/reset/intel,rcu-gw.yaml
>> @@ -0,0 +1,59 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/reset/intel,rcu-gw.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: System Reset Controller on Intel Gateway SoCs
>> +
>> +maintainers:
>> + - Dilip Kota <eswara.kota@linux.intel.com>
>> +
>> +properties:
>> + compatible:
>> + oneOf:
>> + - items:
> You can drop oneOf and items here.
Ok.
Got it, mentioning 'enum:' tells that compatible will take one of the
enum values. (Again, I just gone through existing yaml files after
reading your comment).

So, no need of oneOf and items:,  I will update in the next patch revision.

>
>> + - enum:
>> + - intel,rcu-lgm
>> + - intel,rcu-xrx200
>> +
>> + reg:
>> + description: Reset controller registers.
> maxItems: 1
Ok. I will add it.
>
>> +
>> + intel,global-reset:
>> + $ref: /schemas/types.yaml#/definitions/uint32-array
>> + description: Global reset register offset and bit offset.
> maxItems: 2
Ok. I will add it.

Regards,
Dilip
>
>> +
>> + "#reset-cells":
>> + minimum: 2
>> + maximum: 3
>> + description: |
>> + First cell is reset request register offset.
>> + Second cell is bit offset in reset request register.
>> + Third cell is bit offset in reset status register.
>> +
>> +required:
>> + - compatible
>> + - reg
>> + - intel,global-reset
>> + - "#reset-cells"
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + rcu0: reset-controller@e0000000 {
>> + compatible = "intel,rcu-lgm";
>> + reg = <0xe0000000 0x20000>;
>> + intel,global-reset = <0x10 30>;
>> + #reset-cells = <2>;
>> + };
>> +
>> + pwm: pwm@e0d00000 {
>> + status = "disabled";
>> + compatible = "intel,lgm-pwm";
>> + reg = <0xe0d00000 0x30>;
>> + clocks = <&cgu0 1>;
>> + #pwm-cells = <2>;
>> + resets = <&rcu0 0x30 21>;
>> + };
>> --
>> 2.11.0
>>

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