[PATCH v7 7/9] dt-bindings: i2c: rk3x: add support for rk3399
david.wu at rock-chips.com
Thu May 5 23:09:48 PDT 2016
在 2016/5/6 6:12, Rob Herring 写道:
> On Wed, May 04, 2016 at 10:35:23PM +0800, David Wu 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 at rock-chips.com>
>> 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..82b6f6b 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 followings
>> + - "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. REQUIRED.
> This is the required section, so REQUIRED is redundant.
>> + - For newer hardware (rk3399): specify by name
>> + - "i2c": REQUIRED. This is used to derive the functional clock.
>> + - "pclk": REQUIRED. This is the bus clock.equired on RK3066, RK3188 :
> This doesn't make sense. The first line says this applies to rk3399, but
> then here it is talking about other parts.
> And there's a typo.
Okay, I will remove the "equired on RK3066, RK3188 :".
>> Required on RK3066, RK3188 :
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