[PATCH v4 2/3] riscv: dts: sophgo: cv18xx: Add sensor device and thermal zone

[Chen Wang]

On 2024/7/16 17:42, Haylen Chu wrote:
> Add common sensor device Sophgo CV18xx SoCs and thermal zone for
> CV1800b SoCs.
>
> Signed-off-by: Haylen Chu <heylenay at outlook.com>
> ---
>   arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 30 +++++++++++++++++++++++++
>   arch/riscv/boot/dts/sophgo/cv18xx.dtsi  |  8 +++++++
>   2 files changed, 38 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> index ec9530972ae2..0b5c7bc94b05 100644
> --- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
> @@ -12,6 +12,34 @@ memory at 80000000 {
>   		device_type = "memory";
>   		reg = <0x80000000 0x4000000>;
>   	};
> +
> +	thermal-zones {
> +		soc-thermal {
> +			polling-delay-passive   = <1000>;
> +			polling-delay           = <1000>;
> +			thermal-sensors         = <&soc_temp>;
> +
> +			trips {
> +				soc_passive: soc-passive {
> +					temperature     = <75000>;
> +					hysteresis      = <5000>;
> +					type            = "passive";
> +				};
> +
> +				soc_hot: soc-hot {
> +					temperature     = <85000>;
> +					hysteresis      = <5000>;
> +					type            = "hot";
> +				};
> +
> +				soc_critical: soc-critical {
> +					temperature     = <100000>;
> +					hysteresis      = <0>;
> +					type            = "critical";
> +				};
> +			};
> +		};
> +	};
>   };
>   
>   &plic {
> @@ -25,3 +53,5 @@ &clint {
>   &clk {
>   	compatible = "sophgo,cv1800-clk";
>   };
> +
> +
> diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> index 891932ae470f..76b02cc279aa 100644
> --- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
> @@ -310,5 +310,13 @@ clint: timer at 74000000 {
>   			reg = <0x74000000 0x10000>;
>   			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
>   		};
> +
> +		soc_temp: thermal-sensor at 30e0000 {

Nodes on any bus, thus using unit addresses for children, shall be 
ordered by unit address in ascending order.

See https://docs.kernel.org/devicetree/bindings/dts-coding-style.html.

> +			compatible = "sophgo,cv1800-thermal";
> +			reg = <0x30e0000 0x100>;
> +			clocks = <&clk CLK_TEMPSEN>;
> +			interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
> +			#thermal-sensor-cells = <0>;
> +		};
>   	};
>   };