linux-kernel - Re: [PATCH v2 1/4] dt-bindings: pwm: binding allwinner sun8i.

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Message-ID: <20180226084433.jcahdixnz63jo34m@flea.lan>
Date:   Mon, 26 Feb 2018 09:44:33 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     hao_zhang <hao5781286@...il.com>
Cc:     thierry.reding@...il.com, robh+dt@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, wens@...e.org, Claudiu.Beznea@...rochip.com,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pwm@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 1/4] dt-bindings: pwm: binding allwinner sun8i.

Hi,

On Sun, Feb 25, 2018 at 09:50:45PM +0800, hao_zhang wrote:
> This patch adds allwinner sun8i pwm binding documents.
> 
> Signed-off-by: hao_zhang <hao5781286@...il.com>
> ---
>  Documentation/devicetree/bindings/pwm/pwm-sun8i.txt | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sun8i.txt
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-sun8i.txt b/Documentation/devicetree/bindings/pwm/pwm-sun8i.txt
> new file mode 100644
> index 0000000..e8c48be
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/pwm-sun8i.txt
> @@ -0,0 +1,18 @@
> +Allwinner sun8i R40/V40/T3 SoC PWM controller
> +
> +Required properties:
> +  - compatible: should be one of:
> +    - "allwinner,sun8i-r40-pwm"
> +  - reg: physical base address and length of the controller's registers
> +  - #pwm-cells: should be 3. See pwm.txt in this directory for a description of
> +    the cells format.
> +  - clocks: From common clock binding, handle to the parent clock.
> +
> +Example:
> +
> +pwm: pwm@...3400 {
> +	     compatible = "allwinner,sun8i-pwm";

The compatible you have here isn't the one documented.

> +	     reg = <0x01c23400 0x154>;

And the size isn't correct, even though that doesn't really make any
difference here.

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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