[PATCH v3 2/3] riscv: dts: thead: Add TH1520 I2C nodes

Drew Fustini dfustini at tenstorrent.com
Tue Jun 25 14:30:07 PDT 2024


On Tue, Jun 18, 2024 at 09:42:39AM +0200, Thomas Bonnefille wrote:
> Add nodes for the six I2C on the T-Head TH1520 RISCV SoC.
> 
> Signed-off-by: Thomas Bonnefille <thomas.bonnefille at bootlin.com>
> ---
>  arch/riscv/boot/dts/thead/th1520.dtsi | 60 +++++++++++++++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
> index d88d4cade02c..f0b2b05e9bd4 100644
> --- a/arch/riscv/boot/dts/thead/th1520.dtsi
> +++ b/arch/riscv/boot/dts/thead/th1520.dtsi
> @@ -232,6 +232,36 @@ uart3: serial at ffe7f04000 {
>  			status = "disabled";
>  		};
>  
> +		i2c0: i2c at ffe7f20000 {
> +			compatible = "thead,th1520-i2c", "snps,designware-i2c";
> +			reg = <0xff 0xe7f20000 0x0 0x4000>;
> +			interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk CLK_I2C0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		i2c1: i2c at ffe7f24000 {
> +			compatible = "thead,th1520-i2c", "snps,designware-i2c";
> +			reg = <0xff 0xe7f24000 0x0 0x4000>;
> +			interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk CLK_I2C1>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
> +		i2c4: i2c at ffe7f28000 {
> +			compatible = "thead,th1520-i2c", "snps,designware-i2c";
> +			reg = <0xff 0xe7f28000 0x0 0x4000>;
> +			interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk CLK_I2C4>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
>  		gpio at ffe7f34000 {
>  			compatible = "snps,dw-apb-gpio";
>  			reg = <0xff 0xe7f34000 0x0 0x1000>;
> @@ -320,6 +350,16 @@ padctrl0_apsys: pinctrl at ffec007000 {
>  			clocks = <&clk CLK_PADCTRL0>;
>  		};
>  
> +		i2c2: i2c at ffec00c000 {
> +			compatible = "thead,th1520-i2c", "snps,designware-i2c";
> +			reg = <0xff 0xec00c000 0x0 0x4000>;
> +			interrupts = <46 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk CLK_I2C2>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
>  		uart2: serial at ffec010000 {
>  			compatible = "snps,dw-apb-uart";
>  			reg = <0xff 0xec010000 0x0 0x4000>;
> @@ -331,6 +371,16 @@ uart2: serial at ffec010000 {
>  			status = "disabled";
>  		};
>  
> +		i2c3: i2c at ffec014000 {
> +			compatible = "thead,th1520-i2c", "snps,designware-i2c";
> +			reg = <0xff 0xec014000 0x0 0x4000>;
> +			interrupts = <47 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk CLK_I2C3>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
>  		dmac0: dma-controller at ffefc00000 {
>  			compatible = "snps,axi-dma-1.01a";
>  			reg = <0xff 0xefc00000 0x0 0x1000>;
> @@ -405,6 +455,16 @@ uart5: serial at fff7f0c000 {
>  			status = "disabled";
>  		};
>  
> +		i2c5: i2c at fff7f2c000 {
> +			compatible = "thead,th1520-i2c", "snps,designware-i2c";
> +			reg = <0xff 0xf7f2c000 0x0 0x4000>;
> +			interrupts = <49 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clk CLK_I2C5>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			status = "disabled";
> +		};
> +
>  		timer4: timer at ffffc33000 {
>  			compatible = "snps,dw-apb-timer";
>  			reg = <0xff 0xffc33000 0x0 0x14>;
> 
> -- 
> 2.45.2
> 

Reviewed-by: Drew Fustini <dfustini at tenstorrent.com>



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