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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/thermal/imx-thermal.yaml | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/thermal/imx-thermal.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/thermal/imx-thermal.yaml | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/imx-thermal.yaml b/Documentation/devicetree/bindings/thermal/imx-thermal.yaml new file mode 100644 index 000000000..16b57f57d --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/imx-thermal.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/imx-thermal.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX Thermal Binding + +maintainers: + - Shawn Guo <shawnguo@kernel.org> + - Anson Huang <Anson.Huang@nxp.com> + +properties: + compatible: + enum: + - fsl,imx6q-tempmon + - fsl,imx6sx-tempmon + - fsl,imx7d-tempmon + + interrupts: + description: | + The interrupt output of the controller, i.MX6Q has IRQ_HIGH which + will be triggered when temperature is higher than high threshold, + i.MX6SX and i.MX7S/D have two more IRQs than i.MX6Q, one is IRQ_LOW + and the other is IRQ_PANIC, when temperature is lower than low + threshold, IRQ_LOW will be triggered, when temperature is higher + than panic threshold, IRQ_PANIC will be triggered, and system can + be configured to auto reboot by SRC module for IRQ_PANIC. IRQ_HIGH, + IRQ_LOW and IRQ_PANIC share same interrupt output of controller. + maxItems: 1 + + nvmem-cells: + items: + - description: Phandle to the calibration data provided by ocotp + - description: Phandle to the temperature grade provided by ocotp + + nvmem-cell-names: + items: + - const: calib + - const: temp_grade + + fsl,tempmon: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: Phandle to anatop system controller node. + + fsl,tempmon-data: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: | + Deprecated property, phandle pointer to fuse controller that contains + TEMPMON calibration data, e.g. OCOTP on imx6q. The details about + calibration data can be found in SoC Reference Manual. + deprecated: true + + clocks: + maxItems: 1 + +required: + - compatible + - interrupts + - fsl,tempmon + - nvmem-cells + - nvmem-cell-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/imx6sx-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + efuse@21bc000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,imx6sx-ocotp", "syscon"; + reg = <0x021bc000 0x4000>; + clocks = <&clks IMX6SX_CLK_OCOTP>; + + tempmon_calib: calib@38 { + reg = <0x38 4>; + }; + + tempmon_temp_grade: temp-grade@20 { + reg = <0x20 4>; + }; + }; + + anatop@20c8000 { + compatible = "fsl,imx6q-anatop", "syscon", "simple-mfd"; + reg = <0x020c8000 0x1000>; + interrupts = <0 49 IRQ_TYPE_LEVEL_HIGH>, + <0 54 IRQ_TYPE_LEVEL_HIGH>, + <0 127 IRQ_TYPE_LEVEL_HIGH>; + + tempmon { + compatible = "fsl,imx6sx-tempmon"; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + fsl,tempmon = <&anatop>; + nvmem-cells = <&tempmon_calib>, <&tempmon_temp_grade>; + nvmem-cell-names = "calib", "temp_grade"; + clocks = <&clks IMX6SX_CLK_PLL3_USB_OTG>; + }; + }; |