linux-kernel - Re: [PATCH v4] ARM: dts: add bcm2835-pwm bindings

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Date:	Wed, 25 Feb 2015 14:50:17 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Bart Tanghe <bart.tanghe@...masmore.be>
Cc:	swarren@...dotorg.org, lee@...nel.org, thierry.reding@...il.com,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux@....linux.org.uk, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rpi-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] ARM: dts: add bcm2835-pwm bindings

On Thu, 15 Jan 2015, Bart Tanghe wrote:

> To probe the bcm2835-pwm driver properly, this dts bindings has to be added 
> to the bcm2835 dtsi file.
> In expectation of a bcm2835 clock driver, I've added fixed-clock clock binding. 
> ---
> Changes in v4:
>  - node added by reg value  
> 
> Signed-off-by: Bart Tanghe <bart.tanghe@...masmore.be>
> Acked-by: Stephen Warren <swarren@...dotorg.org>

Applied, thanks.

> diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
> index 3342cb1..e8a0f13 100644
> --- a/arch/arm/boot/dts/bcm2835.dtsi
> +++ b/arch/arm/boot/dts/bcm2835.dtsi
> @@ -122,6 +123,14 @@
>  			status = "disabled";
>  		};
>  
> +                pwm: pwm@...0c000 {
> +                        compatible = "brcm,bcm2835-pwm";
> +                        reg = <0x7e20c000 0x28>;
> +                        clocks = <&clk_pwm>;
> +                        #pwm-cells = <2>;
> +                        status = "disabled";
> +                };
> +
>  		sdhci: sdhci@...00000 {
>  			compatible = "brcm,bcm2835-sdhci";
>  			reg = <0x7e300000 0x100>;
> @@ -179,5 +188,13 @@
>  			clock-output-names = "spi";
>  			clock-frequency = <250000000>;
>  		};
> +
> +		clk_pwm: clock@3 {
> +			compatible = "fixed-clock";
> +			reg = <3>;
> +			#clock-cells = <0>;
> +			clock-output-names = "pwm";
> +			clock-frequency = <9200000>;
> +		};
>  	};
>  };

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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