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i2c: rockchip: add i2c supported for rk3228

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Change-Id: I3836b589f3ba456869f20a0ad97e6cde031debfd
Signed-off-by: David Wu <wdc@rock-chips.com>
This commit is contained in:
David Wu
2015-10-22 16:25:35 +08:00
committed by Huang, Tao
parent eb96bacfb3
commit 8a7a4119c6
1 changed files with 72 additions and 0 deletions
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72
arch/arm/boot/dts/rk3228.dtsi
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@@ -13,6 +13,10 @@
aliases {
serial2 = &uart_dbg;
i2c0 = &i2c0;
i2c1 = &i2c1;
i2c2 = &i2c2;
i2c3 = &i2c3;
};
cpus {
@@ -199,6 +203,74 @@
<&clk_gates1 3>;/*clk_jtag*/
};
i2c0: i2c@11050000 {
compatible = "rockchip,rk30-i2c";
reg = <0x11050000 0x1000>;
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default", "gpio", "sleep";
pinctrl-0 = <&i2c0_xfer>;
pinctrl-1 = <&i2c0_gpio>;
pinctrl-2 = <&i2c0_sleep>;
gpios = <&gpio0 GPIO_A1 GPIO_ACTIVE_LOW>,
<&gpio0 GPIO_A0 GPIO_ACTIVE_LOW>;
clocks = <&clk_gates8 15>;
rockchip,check-idle = <1>;
status = "disabled";
};
i2c1: i2c@11060000 {
compatible = "rockchip,rk30-i2c";
reg = <0x11060000 0x1000>;
interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default", "gpio", "sleep";
pinctrl-0 = <&i2c1_xfer>;
pinctrl-1 = <&i2c1_gpio>;
pinctrl-2 = <&i2c1_sleep>;
gpios = <&gpio0 GPIO_A3 GPIO_ACTIVE_LOW>,
<&gpio0 GPIO_A2 GPIO_ACTIVE_LOW>;
clocks = <&clk_gates9 0>;
rockchip,check-idle = <1>;
status = "disabled";
};
i2c2: i2c@11070000 {
compatible = "rockchip,rk30-i2c";
reg = <0x11070000 0x1000>;
interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default", "gpio", "sleep";
pinctrl-0 = <&i2c2_xfer>;
pinctrl-1 = <&i2c2_gpio>;
pinctrl-2 = <&i2c2_sleep>;
gpios = <&gpio2 GPIO_C4 GPIO_ACTIVE_LOW>,
<&gpio2 GPIO_C5 GPIO_ACTIVE_LOW>;
clocks = <&clk_gates9 1>;
rockchip,check-idle = <1>;
status = "disabled";
};
i2c3: i2c@11080000 {
compatible = "rockchip,rk30-i2c";
reg = <0x11080000 0x1000>;
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default", "gpio", "sleep";
pinctrl-0 = <&i2c3_xfer>;
pinctrl-1 = <&i2c3_gpio>;
pinctrl-2 = <&i2c3_sleep>;
gpios = <&gpio0 GPIO_A7 GPIO_ACTIVE_LOW>,
<&gpio0 GPIO_A6 GPIO_ACTIVE_LOW>;
clocks = <&clk_gates9 2>;
rockchip,check-idle = <1>;
status = "disabled";
};
amba {
#address-cells = <1>;
#size-cells = <1>;