[PATCH 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add pinctrl names for SPI signal states
Neil Armstrong
neil.armstrong at linaro.org
Tue Sep 27 01:29:58 PDT 2022
Hi,
On 09/08/2022 19:20, 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 at libre.computer>
> Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
> Signed-off-by: Amjad Ouled-Ameur <aouledameur at baylibre.com>
Don't forget to CC devicetree at vger.kernel.org otherwise it won't be reviewed.
> ---
> .../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 50de0da42c13..10707a8216f5 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
> +
> + pinctrl-1:
> + maxItems: 1
> +
> + pinctrl-names: true
> +
> if:
> properties:
> compatible:
> @@ -69,6 +77,13 @@ else:
> items:
> - const: core
>
> + pinctrl-names:
> + minItems: 1
> + items:
> + - const: default
> + - const: idle-high
> + - const: idle-low
> +
> required:
> - compatible
> - reg
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