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SubjectRe: [PATCH 2/3] dt-bindings: SPI: Add Ingenic SFC bindings.
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Hi Krzysztof,

On 2022/7/23 上午1:46, Krzysztof Kozlowski wrote:
> On 22/07/2022 18:48, 周琰杰 (Zhou Yanjie) wrote:
>> Add the SFC bindings for the X1000 SoC, the X1600 SoC, the X1830 SoC,
>> and the X2000 SoC from Ingenic.
>>
>> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
>> ---
>> .../devicetree/bindings/spi/ingenic,sfc.yaml | 64 ++++++++++++++++++++++
>> 1 file changed, 64 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/spi/ingenic,sfc.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/spi/ingenic,sfc.yaml b/Documentation/devicetree/bindings/spi/ingenic,sfc.yaml
>> new file mode 100644
>> index 00000000..b7c4cf4
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/spi/ingenic,sfc.yaml
>> @@ -0,0 +1,64 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/spi/ingenic,sfc.yaml#
> File name should be rather based on first compatible, so
> ingenic,x1000-sfc.yaml


No offense, does it really need to be named that way?
I can't seem to find documentation with instructions on this :(

The use of "ingenic,sfc.yaml" indicates that this is the documentation
for the SFC module for all Ingenic SoCs, without misleading people into
thinking it's only for a specific model of SoC. And there seem to be many
other yaml documents that use similar names (eg. fsl,spi-fsl-qspi.yaml,
spi-rockchip.yaml, spi-nxp-fspi.yaml, ingenic,spi.yaml, spi-sifive.yaml,
omap-spi.yaml), maybe these yaml files that are not named with first
compatible are also for the same consideration. :)


>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Bindings for SFC in Ingenic SoCs
>> +
>> +maintainers:
>> + - 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
>> +
>> +description:
>> + The SPI Flash Controller in Ingenic SoCs.
>> +
> You miss here allOf referencing spi-controller.


Sure, will add it in the next version.


>> +properties:
>> + compatible:
>> + oneOf:
>> + - enum:
>> + - ingenic,x1000-sfc
>> + - ingenic,x1600-sfc
>> + - ingenic,x2000-sfc
>> + - items:
>> + - enum:
>> + - ingenic,x1830-sfc
>> + - const: ingenic,x1000-sfc
>> +
>> + reg:
>> + maxItems: 1
>> +
>> + interrupts:
>> + maxItems: 1
>> +
>> + clocks:
>> + maxItems: 1
>> +
>> + clock-names:
>> + const: sfc
> Remove the clock-names entirely, no benefits.


Sure.


>> +
>> +required:
>> + - compatible
>> + - reg
>> + - interrupts
>> + - clocks
>> + - clock-names
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/clock/ingenic,x1000-cgu.h>
>> +
>> + sfc: spi@13440000 {
>> + compatible = "ingenic,x1000-sfc";
>
> Use 4 spaces for example indentation.


My fault, will fix it in the next version.


>> + reg = <0x13440000 0x1000>;
>> +
>> + interrupt-parent = <&intc>;
>> + interrupts = <7>;
>> +
>> + clocks = <&cgu X1000_CLK_SFC>;
>> + clock-names = "sfc";
>> +
>> + status = "disabled";
> No status in example.


Sure, will remove it in the next version.


Thanks and beset regards!


>
>> + };
>> +...
>
> Best regards,
> Krzysztof

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