Re: [PATCH v8 6/8] dt-bindings: i2c: rk3x: add support for rk3399

David.Wu
2016-05-12T01:13:52Z

Hi Doug,

在 2016/5/12 0:35, Doug Anderson 写道:
> Hi,
>
> On Tue, May 10, 2016 at 12:30 PM, David Wu <david.wu@rock-chips.com> wrote:
>> The bus clock and function clock are separated at rk3399,
>> and others use one clock as the bus clock and function clock.
>>
>> Signed-off-by: David Wu <david.wu@rock-chips.com>
>> Reviewed-by: Douglas Anderson <dianders@chromium.org>
>> ---
>> Change in v8:
>> - remove error description.
>>
>> Documentation/devicetree/bindings/i2c/i2c-rk3x.txt | 16 +++++++++++++---
>> 1 file changed, 13 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
>> index 0b4a85f..5429301 100644
>> --- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
>> +++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
>> @@ -6,10 +6,20 @@ RK3xxx SoCs.
>> Required properties :
>>
>> - reg : Offset and length of the register set for the device
>> - - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c",
>> - "rockchip,rk3228-i2c" or "rockchip,rk3288-i2c".
>> + - compatible: should be one of the following:
>> + - "rockchip,rk3066-i2c": for rk3066
>> + - "rockchip,rk3188-i2c": for rk3188
>> + - "rockchip,rk3228-i2c": for rk3228
>> + - "rockchip,rk3288-i2c": for rk3288
>> + - "rockchip,rk3399-i2c": for rk3399
>> - interrupts : interrupt number
>> - - clocks : parent clock
>> + - clocks: See ../clock/clock-bindings.txt
>> + - For older hardware (rk3066, rk3188, rk3228, rk3288):
>> + - There is one clock that's used both to derive the functional clock
>> + for the device and as the bus clock.
>> + - For newer hardware (rk3399): specified by name
>> + - "i2c": REQUIRED. This is used to derive the functional clock.
>> + - "pclk": REQUIRED. This is the bus clock.
>
> Depending on what Rob thinks, it might make sense to remove the above
> two "REQUIRED" bits. That would match his earlier feedback since
> we're still in the "Required" section and thus it is redundant.
>

Okay, i make a little misunderstand for that, so i will fix it in next
version.

> -Doug
>
>
>