i2c: rk3x: add support for rk3228

Enable the I2C core for this SoC.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
index f0d71bc..0b4a85f 100644 (file)
--- a/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
@@ -6,8 +6,8 @@ RK3xxx SoCs.
 Required properties :
 
  - reg : Offset and length of the register set for the device
- - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c" or
-               "rockchip,rk3288-i2c".
+ - compatible : should be "rockchip,rk3066-i2c", "rockchip,rk3188-i2c",
+               "rockchip,rk3228-i2c" or "rockchip,rk3288-i2c".
  - interrupts : interrupt number
  - clocks : parent clock
 

diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 9096d17..3dcc5f3 100644 (file)
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -855,6 +855,7 @@ static struct rk3x_i2c_soc_data soc_data[3] = {
 static const struct of_device_id rk3x_i2c_match[] = {
        { .compatible = "rockchip,rk3066-i2c", .data = (void *)&soc_data[0] },
        { .compatible = "rockchip,rk3188-i2c", .data = (void *)&soc_data[1] },
+       { .compatible = "rockchip,rk3228-i2c", .data = (void *)&soc_data[2] },
        { .compatible = "rockchip,rk3288-i2c", .data = (void *)&soc_data[2] },
        {},
 };