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SubjectRe: [PATCH v2 4/4] dt-binding: perf: Add Amlogic DDR PMU
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On 2022/7/27 15:09, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
>
> On 27/07/2022 01:03, Jiucheng Xu wrote:
>> Add binding documentation for the Amlogic G12 series DDR
>> performance monitor unit.
>>
>> Signed-off-by: Jiucheng Xu <jiucheng.xu@amlogic.com>
>> ---
>> Changes v1 -> v2:
>> - Rename file, from aml_ddr_pmu.yaml to amlogic,g12_ddr_pmu.yaml
>> - Delete "model", "dmc_nr", "chann_nr" new properties
>> - Fix compiling error
>> ---
>> .../bindings/perf/amlogic,g12_ddr_pmu.yaml | 45 +++++++++++++++++++
>> MAINTAINERS | 1 +
>> 2 files changed, 46 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/perf/amlogic,g12_ddr_pmu.yaml
> Does not look like you tested the bindings. Please run `make
> dt_binding_check` (see
> Documentation/devicetree/bindings/writing-schema.rst for instructions).
>
>> diff --git a/Documentation/devicetree/bindings/perf/amlogic,g12_ddr_pmu.yaml b/Documentation/devicetree/bindings/perf/amlogic,g12_ddr_pmu.yaml
>> new file mode 100644
>> index 000000000000..46ef52b61492
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/perf/amlogic,g12_ddr_pmu.yaml
>> @@ -0,0 +1,45 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/perf/amlogic,g12-ddr-pmu.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Amlogic G12 DDR performance monitor
>> +
>> +maintainers:
>> + - Jiucheng Xu <jiucheng.xu@amlogic.com>
>> +
>> +properties:
>> + compatible:
>> + oneOf:
> That's not oneOf...
>
>> + - items:
>> + - enum:
>> + - amlogic,g12b-ddr-pmu
>> + amlogic,g12a-ddr-pmu
>> + amlogic,sm1-ddr-pmu
>> + - const: amlogic,g12-ddr-pmu
>> +
>> + reg:
>> + maxItems: 2
> You need to list and describe the items.
>
>> +
>> + interrupts:
>> + maxItems: 1
>> +
>> +required:
>> + - compatible
>> + - reg
>> + - interrupts
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + ddr_pmu: ddr_pmu {
>> +
>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> Code looks terrible...
>
>> +
>> + compatible = "amlogic,g12a-ddr-pmu";
>> + reg = <0x0 0xff638000 0x0 0x100
>> + 0x0 0xff638c00 0x0 0x100>;
> That's one item. You need to separate regs.
>
>
>
> Best regards,
> Krzysztof
Thanks for your comments. Once I thought the example DTB got generated
means the yaml file is ok. I will learn the writing-schema. rst doc and
modify the binding doc as your comments.

--
Thanks,
Jiucheng

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