Re: [PATCH v2 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add pinctrl names for SPI signal states

From: Krzysztof Kozlowski
Date: Wed Oct 05 2022 - 04:14:25 EST


On 04/10/2022 13:10, Amjad Ouled-Ameur wrote:
> SPI pins of the SPICC Controller in Meson-GX needs to be controlled by
> pin biais when idle. Therefore define three pinctrl names:
> - default: SPI pins are controlled by spi function.
> - idle-high: SCLK pin is pulled-up, but MOSI/MISO are still controlled
> by spi function.
> - idle-low: SCLK pin is pulled-down, but MOSI/MISO are still controlled
> by spi function.
>
> Reported-by: Da Xue <da@libre.computer>
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> Signed-off-by: Amjad Ouled-Ameur <aouledameur@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
> index 0c10f7678178..53013e27f507 100644
> --- a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
> +++ b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml
> @@ -43,6 +43,14 @@ properties:
> minItems: 1
> maxItems: 2
>
> + pinctrl-0:
> + minItems: 1

maxItems?

> +
> + pinctrl-1:
> + maxItems: 1
> +
> + pinctrl-names: true

Why do you need all these in the bindings?

> +
> if:
> properties:
> compatible:
> @@ -69,6 +77,13 @@ else:
> items:
> - const: core
>
> + pinctrl-names:
> + minItems: 1
> + items:
> + - const: default
> + - const: idle-high
> + - const: idle-low

This does not match what you wrote in the bindings - you mentioned only
two set of pin controls.


Best regards,
Krzysztof