linux-kernel - Re: [PATCH v3 3/5] ARM: at91/dt: sama5d2: add adc device

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Date:	Sat, 16 Jan 2016 11:38:30 +0000
From:	Jonathan Cameron <jic23@...nel.org>
To:	Ludovic Desroches <ludovic.desroches@...el.com>,
	nicolas.ferre@...el.com, alexandre.belloni@...e-electrons.com
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, plagnioj@...osoft.com,
	linux-arm-kernel@...ts.infradead.org, pmeerw@...erw.net,
	robh@...nel.org
Subject: Re: [PATCH v3 3/5] ARM: at91/dt: sama5d2: add adc device

On 14/01/16 15:38, Ludovic Desroches wrote:
> Add the ADC device, and remove the adc_op_clk which is useless since the
> adc sampling frequency is configured with sysfs.
> 
> Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com>
I've now applied the driver to the togreg branch of iio.git.
Should get a pull request out to Greg in about 2 weeks time and it'll
probably be in linux-next a week after that.  I'm assuming all the device
tree changes will got through the at91 tree and arm-soc etc. 
Shout if you want me to take them through IIO.

Thanks,

Jonathan
> ---
>  arch/arm/boot/dts/sama5d2.dtsi | 18 ++++++++++++------
>  1 file changed, 12 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index 3f750f6..46dd430 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -88,12 +88,6 @@
>  			#clock-cells = <0>;
>  			clock-frequency = <0>;
>  		};
> -
> -		adc_op_clk: adc_op_clk{
> -			compatible = "fixed-clock";
> -			#clock-cells = <0>;
> -			clock-frequency = <1000000>;
> -		};
>  	};
>  
>  	ns_sram: sram@...00000 {
> @@ -1085,6 +1079,18 @@
>  				status = "disabled";
>  			};
>  
> +			adc: adc@...30000 {
> +				compatible = "atmel,sama5d2-adc";
> +				reg = <0xfc030000 0x100>;
> +				interrupts = <40 IRQ_TYPE_LEVEL_HIGH 7>;
> +				clocks = <&adc_clk>;
> +				clock-names = "adc_clk";
> +				atmel,min-sample-rate-hz = <200000>;
> +				atmel,max-sample-rate-hz = <20000000>;
> +				atmel,startup-time-ms = <4>;
> +				status = "disabled";
> +			};
> +
>  			pioA: pinctrl@...38000 {
>  				compatible = "atmel,sama5d2-pinctrl";
>  				reg = <0xfc038000 0x600>;
>