diff options
| author | David Wu <david.wu@rock-chips.com> | 2016-05-16 22:04:12 +0800 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2016-06-17 13:39:15 +0200 |
| commit | 908dbd539135f8bea04039dad1a667a3a36d7b42 (patch) | |
| tree | b21d62f806713f11380c1d3bd4b12bdf0f15b68a /Documentation/devicetree/bindings/i2c/i2c-rk3x.txt | |
| parent | b58fd3be40a21a88520d4a3682330abbbc021cc7 (diff) | |
dt-bindings: i2c: rk3x: add support for rk3399
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>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-rk3x.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-rk3x.txt | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt index 0b4a85fe2d86..bbc5a1ed5fa1 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": This is used to derive the functional clock. + - "pclk": This is the bus clock. Required on RK3066, RK3188 : |