[PATCH 5/9] arm64: dts: rockchip: add rk3568 tsadc nodes

[Piotr Oniszczuk]

> Wiadomość napisana przez Peter Geis <pgwipeout at gmail.com> w dniu 28.07.2021, o godz. 15:55:
> 
> Add the thermal and tsadc nodes to the rk3568 device tree.
> There are two sensors, one for the cpu, one for the gpu.
> 
> Signed-off-by: Peter Geis <pgwipeout at gmail.com>
> ---
> .../boot/dts/rockchip/rk3568-pinctrl.dtsi     |  6 ++
> arch/arm64/boot/dts/rockchip/rk356x.dtsi      | 71 +++++++++++++++++++
> 2 files changed, 77 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3568-pinctrl.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-pinctrl.dtsi
> index a588ca95ace2..b464c7bda1f7 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3568-pinctrl.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3568-pinctrl.dtsi
> @@ -2420,6 +2420,12 @@ spi3m1_cs1: spi3m1-cs1 {
> 	};
> 
> 	tsadc {
> +		/omit-if-no-ref/
> +		tsadc_gpio: tsadc-gpio {
> +			rockchip,pins =
> +				<0 RK_PA1 0 &pcfg_pull_none>;
> +		};
> +
> 		/omit-if-no-ref/
> 		tsadcm0_shut: tsadcm0-shut {
> 			rockchip,pins =
> diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> index 77c679304916..0905fac0726a 100644
> --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
> @@ -51,6 +51,7 @@ cpu0: cpu at 0 {
> 			compatible = "arm,cortex-a55";
> 			reg = <0x0 0x0>;
> 			clocks = <&scmi_clk 0>;
> +			#cooling-cells = <2>;
> 			enable-method = "psci";
> 			operating-points-v2 = <&cpu0_opp_table>;
> 		};
> @@ -59,6 +60,7 @@ cpu1: cpu at 100 {
> 			device_type = "cpu";
> 			compatible = "arm,cortex-a55";
> 			reg = <0x0 0x100>;
> +			#cooling-cells = <2>;
> 			enable-method = "psci";
> 			operating-points-v2 = <&cpu0_opp_table>;
> 		};
> @@ -67,6 +69,7 @@ cpu2: cpu at 200 {
> 			device_type = "cpu";
> 			compatible = "arm,cortex-a55";
> 			reg = <0x0 0x200>;
> +			#cooling-cells = <2>;
> 			enable-method = "psci";
> 			operating-points-v2 = <&cpu0_opp_table>;
> 		};
> @@ -75,6 +78,7 @@ cpu3: cpu at 300 {
> 			device_type = "cpu";
> 			compatible = "arm,cortex-a55";
> 			reg = <0x0 0x300>;
> +			#cooling-cells = <2>;
> 			enable-method = "psci";
> 			operating-points-v2 = <&cpu0_opp_table>;
> 		};
> @@ -774,6 +778,73 @@ uart9: serial at fe6d0000 {
> 		status = "disabled";
> 	};
> 
> +	thermal_zones: thermal-zones {
> +		cpu_thermal: cpu-thermal {
> +			polling-delay-passive = <100>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsadc 0>;
> +
> +			trips {
> +				cpu_alert0: cpu_alert0 {
> +					temperature = <70000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu_alert1: cpu_alert1 {
> +					temperature = <75000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu_crit: cpu_crit {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu_alert0>;
> +					cooling-device =
> +						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
> +		};
> +
> +		gpu_thermal: gpu-thermal {
> +			polling-delay-passive = <20>; /* milliseconds */
> +			polling-delay = <1000>; /* milliseconds */
> +
> +			thermal-sensors = <&tsadc 1>;
> +		};
> +	};
> +
> +	tsadc: tsadc at fe710000 {
> +		compatible = "rockchip,rk3568-tsadc";
> +		reg = <0x0 0xfe710000 0x0 0x100>;
> +		interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
> +		assigned-clocks = <&cru CLK_TSADC_TSEN>, <&cru CLK_TSADC>;
> +		assigned-clock-rates = <17000000>, <700000>;
> +		clocks = <&cru CLK_TSADC>, <&cru PCLK_TSADC>;
> +		clock-names = "tsadc", "apb_pclk";
> +		resets = <&cru SRST_TSADC>, <&cru SRST_P_TSADC>,
> +			 <&cru SRST_TSADCPHY>;
> +		reset-names = "tsadc", "tsadc-apb", "tsadc-phy";
> +		rockchip,grf = <&grf>;
> +		rockchip,hw-tshut-temp = <95000>;
> +		rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
> +		rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
> +		pinctrl-names = "gpio", "otpout";
> +		pinctrl-0 = <&tsadc_gpio>;
> +		pinctrl-1 = <&tsadc_shutorg>;
> +		#thermal-sensor-cells = <1>;
> +		status = "disabled";
> +	};
> +
> 	saradc: saradc at fe720000 {
> 		compatible = "rockchip,rk3568-saradc", "rockchip,rk3399-saradc";
> 		reg = <0x0 0xfe720000 0x0 0x100>;
> -- 
> 2.25.1
> 
> 
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Peter,

I'm trying to use this series to get thermal on rk3566 based tvbox (x96-x6).
Driver loads but i'm getting following error:

[  132.873979] rockchip-thermal fe710000.tsadc: failed to register sensor 0: -517
[  132.874650] rockchip-thermal fe710000.tsadc: failed to register sensor[0] : error = -517

Maybe you have some hints here?