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...@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
s/followings/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. 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. > > Required on RK3066, RK3188 : > > -- > 1.9.1 > >