From 908dbd539135f8bea04039dad1a667a3a36d7b42 Mon Sep 17 00:00:00 2001 From: David Wu Date: Mon, 16 May 2016 22:04:12 +0800 Subject: [PATCH] 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 Reviewed-by: Douglas Anderson Reviewed-by: Heiko Stuebner Tested-by: Heiko Stuebner Acked-by: Rob Herring Signed-off-by: Wolfram Sang --- .../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 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 : -- GitLab