linux-kernel - Re: [PATCH v3 1/3] Documentation: DT: Add iproc-static-adc binding

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Date:	Mon, 27 Jun 2016 11:57:41 +0530
From:	Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
To:	Jonathan Cameron <jic23@...nel.org>
Cc:	Rob Herring <robh@...nel.org>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Jon Mason <jonmason@...adcom.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Anup Patel <anup.patel@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Pramod Kumar <pramod.kumar@...adcom.com>,
	linux-kernel@...r.kernel.org,
	bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>
Subject: Re: [PATCH v3 1/3] Documentation: DT: Add iproc-static-adc binding

On Sun, Jun 26, 2016 at 3:54 PM, Jonathan Cameron <jic23@...nel.org> wrote:
> On 24/06/16 16:43, Rob Herring wrote:
>> On Wed, Jun 22, 2016 at 11:41:51AM +0530, Raveendra Padasalagi wrote:
>>> The patch adds devicetree binding document for broadcom's
>>> iproc-static-adc controller driver.
>>>
>>> Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
>>> Reviewed-by: Ray Jui <ray.jui@...adcom.com>
>>> Reviewed-by: Scott Branden <scott.branden@...adcom.com>
>>> ---
>>>  .../bindings/iio/adc/brcm,iproc-static-adc.txt     | 38 ++++++++++++++++++++++
>>>  1 file changed, 38 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt b/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt
>>> new file mode 100644
>>> index 0000000..a82076e
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt
>>> @@ -0,0 +1,38 @@
>>> +* Broadcom's IPROC Static ADC controller
>>> +
>>> +Broadcom iProc ADC controller has 8 channels 10bit ADC.
>>> +Allows user to convert analog input voltage values to digital.
>>> +
>>> +Required properties:
>>> +
>>> +- compatible: Must be "brcm,iproc-static-adc"
>>> +
>>> +- adc-syscon: Handler of syscon node defining physical base address of the
>>> +  controller and length of memory mapped region.
>>> +
>>> +- #io-channel-cells = <1>; As ADC has multiple outputs
>>> +  refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
>>> +
>>> +- clocks: Clock used for this block.
>>> +
>>> +- clock-names: Clock name should be given as tsc_clk.
>>> +
>>> +- interrupts: interrupt line number.
>>> +
>>> +For example:
>>> +
>>> +    ts_adc_syscon: ts_adc_syscon@...a6000 {
>>> +            compatible = "brcm,iproc-ts-adc-syscon","syscon";
>>> +            reg = <0x180a6000 0xc30>;
>>> +    };
>>> +
>>> +    adc: adc@...a6000 {
>>> +            compatible = "brcm,iproc-static-adc";
>>> +            adc-syscon = <&ts_adc_syscon>;
>>> +            #io-channel-cells = <1>;
>>> +            io-channel-ranges;
>>
>> Not documented.
> Core iio docs, but obviously a cross reference would be good.

Yes, Will provide the cross reference to core iio docs in the next patch.
Thanks.

>>
>>> +            clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>;
>>> +            clock-names = "tsc_clk";
>>> +            interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
>>> +            status = "disabled";
>>> +    };
>>> --
>>> 1.9.1
>>>
>> --
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>