Re: [PATCH v3 1/7] dt-bindings: pwm: allwinner: Add H6 PWM description

From: Rob Herring
Date: Tue Nov 05 2019 - 16:33:24 EST


On Tue, Nov 05, 2019 at 02:14:50PM +0100, Clément Péron wrote:
> From: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
>
> H6 PWM block is basically the same as A20 PWM, except that it also has
> bus clock and reset line which needs to be handled accordingly.
>
> Expand Allwinner PWM binding with H6 PWM specifics.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
> Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
> ---
> .../bindings/pwm/allwinner,sun4i-a10-pwm.yaml | 47 +++++++++++++++++++
> 1 file changed, 47 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> index 0ac52f83a58c..9fc32c1d94b4 100644
> --- a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> +++ b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
> @@ -30,13 +30,50 @@ properties:
> - items:
> - const: allwinner,sun50i-h5-pwm
> - const: allwinner,sun5i-a13-pwm
> + - const: allwinner,sun50i-h6-pwm
>
> reg:
> maxItems: 1
>
> clocks:
> + minItems: 1
> + maxItems: 2
> + items:
> + - description: Bus Clock
> + - description: Module Clock

The order here doesn't match the if/then or the example.

> +
> + # Even though it only applies to subschemas under the conditionals,
> + # not listing them here will trigger a warning because of the
> + # additionalsProperties set to false.
> + clock-names: true

blank line here.

> + resets:
> maxItems: 1
>
> + if:
> + properties:
> + compatible:
> + contains:
> + const: allwinner,sun50i-h6-pwm
> +
> + then:
> + properties:
> + clocks:
> + minItems: 2
> +
> + clock-names:
> + items:
> + - const: mod
> + - const: bus
> +
> + required:
> + - clock-names
> + - resets
> +
> + else:
> + properties:
> + clocks:
> + maxItems: 1
> +
> required:
> - "#pwm-cells"
> - compatible
> @@ -54,4 +91,14 @@ examples:
> #pwm-cells = <3>;
> };
>
> + - |
> + pwm@300a000 {
> + compatible = "allwinner,sun50i-h6-pwm";
> + reg = <0x0300a000 0x400>;
> + clocks = <&osc24M>, <&ccu CLK_BUS_PWM>;
> + clock-names = "mod", "bus";
> + resets = <&ccu RST_BUS_PWM>;
> + #pwm-cells = <3>;
> + };
> +
> ...
> --
> 2.20.1
>