179 lines
3.8 KiB
YAML
179 lines
3.8 KiB
YAML
# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/thermal/rockchip-thermal.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Temperature Sensor ADC (TSADC) on Rockchip SoCs
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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$ref: thermal-sensor.yaml#
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properties:
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compatible:
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enum:
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- rockchip,px30-tsadc
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- rockchip,rk3228-tsadc
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- rockchip,rk3288-tsadc
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- rockchip,rk3328-tsadc
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- rockchip,rk3368-tsadc
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- rockchip,rk3399-tsadc
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- rockchip,rk3568-tsadc
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- rockchip,rk3576-tsadc
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- rockchip,rk3588-tsadc
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- rockchip,rv1108-tsadc
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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items:
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- const: tsadc
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- const: apb_pclk
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nvmem-cells:
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items:
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- description: cell handle to where the trim's base temperature is stored
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- description:
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cell handle to where the trim's tenths of Celsius base value is stored
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nvmem-cell-names:
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items:
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- const: trim_base
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- const: trim_base_frac
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resets:
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minItems: 1
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maxItems: 3
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reset-names:
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minItems: 1
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items:
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- const: tsadc-apb
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- const: tsadc
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- const: tsadc-phy
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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"#thermal-sensor-cells":
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const: 1
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rockchip,grf:
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description: The phandle of the syscon node for the general register file.
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$ref: /schemas/types.yaml#/definitions/phandle
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rockchip,hw-tshut-temp:
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description: The hardware-controlled shutdown temperature value.
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$ref: /schemas/types.yaml#/definitions/uint32
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rockchip,hw-tshut-mode:
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description: The hardware-controlled shutdown mode 0:CRU 1:GPIO.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [0, 1]
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rockchip,hw-tshut-polarity:
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description: The hardware-controlled active polarity 0:LOW 1:HIGH.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [0, 1]
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patternProperties:
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"@[0-9a-f]+$":
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type: object
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properties:
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reg:
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maxItems: 1
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description: sensor ID, a.k.a. channel number
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nvmem-cells:
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items:
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- description: handle of cell containing calibration data
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nvmem-cell-names:
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items:
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- const: trim
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required:
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- reg
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unevaluatedProperties: false
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- resets
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- rockchip,px30-tsadc
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- rockchip,rk3366-tsadc
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- rockchip,rk3399-tsadc
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- rockchip,rk3568-tsadc
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then:
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required:
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- rockchip,grf
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else:
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properties:
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rockchip,grf: false
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- if:
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not:
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properties:
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compatible:
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contains:
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const: rockchip,rk3568-tsadc
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then:
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properties:
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nvmem-cells: false
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nvmem-cell-names: false
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- if:
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not:
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properties:
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compatible:
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contains:
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enum:
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- rockchip,rk3568-tsadc
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- rockchip,rk3576-tsadc
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then:
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patternProperties:
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"@[0-9a-f]+$": false
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/rk3288-cru.h>
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tsadc: tsadc@ff280000 {
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compatible = "rockchip,rk3288-tsadc";
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reg = <0xff280000 0x100>;
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interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
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clock-names = "tsadc", "apb_pclk";
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resets = <&cru SRST_TSADC>;
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reset-names = "tsadc-apb";
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#thermal-sensor-cells = <1>;
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rockchip,hw-tshut-temp = <95000>;
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rockchip,hw-tshut-mode = <0>;
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rockchip,hw-tshut-polarity = <0>;
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};
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