[PATCH v3 1/3] Documentation: DT: Add iproc-static-adc binding
Jonathan Cameron
jic23 at kernel.org
Sun Jun 26 03:24:36 PDT 2016
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 at broadcom.com>
>> Reviewed-by: Ray Jui <ray.jui at broadcom.com>
>> Reviewed-by: Scott Branden <scott.branden at broadcom.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 at 180a6000 {
>> + compatible = "brcm,iproc-ts-adc-syscon","syscon";
>> + reg = <0x180a6000 0xc30>;
>> + };
>> +
>> + adc: adc at 180a6000 {
>> + 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.
>
>> + 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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