The i2c ip of sg2042 is a standard Synopsys i2c ip, which is already
supported by the mainline kernel.
Add i2c device node for sg2042.
Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxxxx>
---
arch/riscv/boot/dts/sophgo/sg2042.dtsi | 52 ++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index c61d8061119d..eebd6817520e 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -47,6 +47,58 @@ soc: soc {
interrupt-parent = <&intc>;
ranges;
+ i2c0: i2c@7030005000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30005000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <101 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C0>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@7030006000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30006000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <102 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C1>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@7030007000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30007000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <103 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C2>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@7030008000 {
+ compatible = "snps,designware-i2c";
+ reg = <0x70 0x30008000 0x0 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkgen GATE_CLK_APB_I2C>;
+ clock-names = "ref";
+ clock-frequency = <100000>;
+ interrupts = <104 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstgen RST_I2C3>;
+ status = "disabled";
+ };
+
pllclk: clock-controller@70300100c0 {
compatible = "sophgo,sg2042-pll";
reg = <0x70 0x300100c0 0x0 0x40>;
--
2.45.2
