On Fri, May 17, 2024 at 02:17:11PM +0800, Hal Feng wrote:
> The UART of StarFive JH7110 has two reset signals.
> Both of them are necessary for JH7110 to initialize UART.
>
> Signed-off-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
> ---
> .../bindings/serial/snps-dw-apb-uart.yaml | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> index 1001d2a6ace8..a6396c5cbfb1 100644
> --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> @@ -13,6 +13,16 @@ allOf:
> - $ref: serial.yaml#
> - $ref: rs485.yaml#
>
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: starfive,jh7110-uart
> + then:
> + properties:
> + resets:
> + minItems: 2
else:
properties:
resets:
maxItems: 1
Thanks,
Conor.
> +
> properties:
> compatible:
> oneOf:
> @@ -48,6 +58,7 @@ properties:
> - enum:
> - starfive,jh7100-hsuart
> - starfive,jh7100-uart
> + - starfive,jh7110-uart
> - const: snps,dw-apb-uart
> - const: snps,dw-apb-uart
>
> @@ -82,7 +93,8 @@ properties:
> type: boolean
>
> resets:
> - maxItems: 1
> + minItems: 1
> + maxItems: 2
>
> reg-shift: true
>
> --
> 2.43.2
>
>
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