There are four i2c controllers on rv1108, add
device tree node for them.
Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/rv1108.dtsi | 72 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
index 0da144c..a4d34d9 100644
--- a/arch/arm/boot/dts/rv1108.dtsi
+++ b/arch/arm/boot/dts/rv1108.dtsi
@@ -52,6 +52,10 @@
interrupt-parent = <&gic>;
aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
@@ -154,11 +158,67 @@
status = "disabled";
};
+ i2c1: i2c@10240000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x10240000 0x1000>;
+ interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C1>, <&cru PCLK_I2C1>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_xfer>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@10250000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x10250000 0x1000>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C2>, <&cru PCLK_I2C2>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2m1_xfer>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@10260000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x10260000 0x1000>;
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C3>, <&cru PCLK_I2C3>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3_xfer>;
+ status = "disabled";
+ };
+
grf: syscon@10300000 {
compatible = "rockchip,rv1108-grf", "syscon";
reg = <0x10300000 0x1000>;
};
+ i2c0: i2c@20000000 {
+ compatible = "rockchip,rv1108-i2c";
+ reg = <0x20000000 0x1000>;
+ interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+ rockchip,grf = <&grf>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cru SCLK_I2C0_PMU>, <&cru PCLK_I2C0_PMU>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_xfer>;
+ status = "disabled";
+ };
+
pmugrf: syscon@20060000 {
compatible = "rockchip,rv1108-pmugrf", "syscon";
reg = <0x20060000 0x1000>;
@@ -330,6 +390,18 @@
input-enable;
};
+ pcfg_pull_none_smt: pcfg-pull-none-smt {
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ i2c0 {
+ i2c0_xfer: i2c0-xfer {
+ rockchip,pins = <0 RK_PB1 RK_FUNC_1 &pcfg_pull_none_smt>,
+ <0 RK_PB2 RK_FUNC_1 &pcfg_pull_none_smt>;
+ };
+ };
+
i2c1 {
i2c1_xfer: i2c1-xfer {
rockchip,pins = <2 RK_PD3 RK_FUNC_1 &pcfg_pull_up>,
--
2.7.4
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