[RFC PATCH v2 1/4] dt-bindings: update the Allwinner GPADC device tree binding for H3

Icenowy Zheng icenowy at aosc.io
Mon Apr 3 02:31:11 PDT 2017



在 2017年04月03日 17:15, Maxime Ripard 写道:
> On Sun, Apr 02, 2017 at 09:33:01PM +0800, Icenowy Zheng wrote:
>> Allwinner H3 features a thermal sensor like the one in A33, but has its
>> register re-arranged, the clock divider moved to CCU (originally the
>> clock divider is in ADC) and added a pair of bus clock and reset.
>>
>> Update the binding document to cover H3.
>>
>> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
>> ---
>>  .../devicetree/bindings/mfd/sun4i-gpadc.txt        | 23 ++++++++++++++++++++--
>>  1 file changed, 21 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt
>> index badff3611a98..7753133ca0ff 100644
>> --- a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt
>> +++ b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt
>> @@ -4,12 +4,20 @@ The Allwinner SoCs all have an ADC that can also act as a thermal sensor
>>  and sometimes as a touchscreen controller.
>>
>>  Required properties:
>> -  - compatible: "allwinner,sun8i-a33-ths",
>> +  - compatible: must contain one of the following compatibles:
>> +		- "allwinner,sun8i-a33-ths"
>> +		- "allwinner,sun8i-h3-ths"
>>    - reg: mmio address range of the chip,
>>    - #thermal-sensor-cells: shall be 0,
>>    - #io-channel-cells: shall be 0,
>>
>> -Example:
>> +Required properties for the following compatibles:
>> +		- "allwinner,sun8i-h3-ths"
>> +  - clocks: the bus clock and the input clock of the ADC,
>> +  - clock-names: should be "bus" and "ths",
>
> I guess mod instead of ths would be more consistent.

In fact I will prefer "sample" here if not "ths", as it's used
for the sampling, not like other mod clocks, which controls
all the IP block's logic.

>
> Maxime
>



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