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* [PATCH v4] ARM: dts: add bcm2835-pwm bindings
@ 2015-01-15 12:33 Bart Tanghe
       [not found] ` <1421325190-7648-1-git-send-email-bart.tanghe-2dq7lIxLGp5qkBXjtECzWg@public.gmane.org>
  0 siblings, 1 reply; 2+ messages in thread
From: Bart Tanghe @ 2015-01-15 12:33 UTC (permalink / raw)
  To: swarren-3lzwWm7+Weoh9ZMKESR00Q, lee-DgEjT+Ai2ygdnm+yROfE0A
  Cc: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A, pawel.moll-5wv7dgnIgG8,
	mark.rutland-5wv7dgnIgG8, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg,
	galak-sgV2jX0FEOL9JmXXK+q4OQ, linux-lFZ/pmaqli7XmaaqVzeoHQ,
	devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA, Bart Tanghe

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-2dq7lIxLGp5qkBXjtECzWg@public.gmane.org>
Acked-by: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>

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@7e20c000 {
+                        compatible = "brcm,bcm2835-pwm";
+                        reg = <0x7e20c000 0x28>;
+                        clocks = <&clk_pwm>;
+                        #pwm-cells = <2>;
+                        status = "disabled";
+                };
+
 		sdhci: sdhci@7e300000 {
 			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>;
+		};
 	};
 };
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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v4] ARM: dts: add bcm2835-pwm bindings
       [not found] ` <1421325190-7648-1-git-send-email-bart.tanghe-2dq7lIxLGp5qkBXjtECzWg@public.gmane.org>
@ 2015-02-25 14:50   ` Lee Jones
  0 siblings, 0 replies; 2+ messages in thread
From: Lee Jones @ 2015-02-25 14:50 UTC (permalink / raw)
  To: Bart Tanghe
  Cc: swarren-3lzwWm7+Weoh9ZMKESR00Q, lee-DgEjT+Ai2ygdnm+yROfE0A,
	thierry.reding-Re5JQEeQqe8AvxtiuMwx3w,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A, pawel.moll-5wv7dgnIgG8,
	mark.rutland-5wv7dgnIgG8, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg,
	galak-sgV2jX0FEOL9JmXXK+q4OQ, linux-lFZ/pmaqli7XmaaqVzeoHQ,
	devicetree-u79uwXL29TY76Z2rM5mHXA,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA

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-2dq7lIxLGp5qkBXjtECzWg@public.gmane.org>
> Acked-by: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.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@7e20c000 {
> +                        compatible = "brcm,bcm2835-pwm";
> +                        reg = <0x7e20c000 0x28>;
> +                        clocks = <&clk_pwm>;
> +                        #pwm-cells = <2>;
> +                        status = "disabled";
> +                };
> +
>  		sdhci: sdhci@7e300000 {
>  			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
Follow Linaro: Facebook | Twitter | Blog
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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2015-01-15 12:33 [PATCH v4] ARM: dts: add bcm2835-pwm bindings Bart Tanghe
     [not found] ` <1421325190-7648-1-git-send-email-bart.tanghe-2dq7lIxLGp5qkBXjtECzWg@public.gmane.org>
2015-02-25 14:50   ` Lee Jones

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