Re: [PATCH v2 2/2] dt-bindings: mediatek: Add assigned clock property and axi clock in example

From: Krzysztof Kozlowski
Date: Thu Jun 30 2022 - 14:42:06 EST


On 30/06/2022 11:01, Xiangsheng Hou wrote:
> For mt8173, it is needed to add the axi clock for dma mode.
> And it is may needed to adjust default spi frequency.
>
> Signed-off-by: Xiangsheng Hou <xiangsheng.hou@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
> index 41e60fe4b09f..7523d992a614 100644
> --- a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml
> @@ -61,6 +61,12 @@ properties:
> - const: axi
> - const: axi_s
>
> + assigned-clocks:
> + maxItems: 1
> +
> + assigned-clock-parents:
> + maxItems: 1
> +

There is usually no reason to put this in the bindings.

> required:
> - compatible
> - reg
> @@ -82,8 +88,8 @@ examples:
> compatible = "mediatek,mt8173-nor";
> reg = <0 0x1100d000 0 0xe0>;
> interrupts = <1>;
> - clocks = <&pericfg CLK_PERI_SPI>, <&topckgen CLK_TOP_SPINFI_IFR_SEL>;
> - clock-names = "spi", "sf";
> + clocks = <&pericfg CLK_PERI_SPI>, <&topckgen CLK_TOP_SPINFI_IFR_SEL>, <&pericfg CLK_PERI_NFI>;
> + clock-names = "spi", "sf", "axi";
> #address-cells = <1>;
> #size-cells = <0>;
>


Best regards,
Krzysztof