diff options
author | Benjamin Gaignard <benjamin.gaignard@st.com> | 2019-10-14 12:22:00 +0300 |
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committer | Rob Herring <robh@kernel.org> | 2019-10-14 20:18:59 +0300 |
commit | bf5c3ae18e4d73376ab892db4515ce6d55efb458 (patch) | |
tree | 9ba1448e23fb6e04b07d45251ea7da7db5cd24cd /Documentation | |
parent | 97721c5e66c79c3d2c89fe7caf9a53cc754069e1 (diff) | |
download | linux-bf5c3ae18e4d73376ab892db4515ce6d55efb458.tar.xz |
dt-bindings: thermal: Convert stm32 thermal bindings to json-schema
Convert the STM32 thermal binding to DT schema format using json-schema
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml | 79 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/thermal/stm32-thermal.txt | 61 |
2 files changed, 79 insertions, 61 deletions
diff --git a/Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml b/Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml new file mode 100644 index 000000000000..c0f59c56003d --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/st,stm32-thermal.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics STM32 digital thermal sensor (DTS) binding + +maintainers: + - David Hernandez Sanchez <david.hernandezsanchez@st.com> + +properties: + compatible: + const: st,stm32-thermal + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: pclk + + "#thermal-sensor-cells": + const: 0 + +required: + - "#thermal-sensor-cells" + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/stm32mp1-clks.h> + dts: thermal@50028000 { + compatible = "st,stm32-thermal"; + reg = <0x50028000 0x100>; + clocks = <&rcc TMPSENS>; + clock-names = "pclk"; + #thermal-sensor-cells = <0>; + interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>; + }; + + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <0>; + polling-delay = <0>; + + thermal-sensors = <&dts>; + trips { + cpu_alert1: cpu-alert1 { + temperature = <85000>; + hysteresis = <0>; + type = "passive"; + }; + + cpu_crit: cpu-crit { + temperature = <120000>; + hysteresis = <0>; + type = "critical"; + }; + }; + + cooling-maps { + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/thermal/stm32-thermal.txt b/Documentation/devicetree/bindings/thermal/stm32-thermal.txt deleted file mode 100644 index 8c0d5a4d8031..000000000000 --- a/Documentation/devicetree/bindings/thermal/stm32-thermal.txt +++ /dev/null @@ -1,61 +0,0 @@ -Binding for Thermal Sensor for STMicroelectronics STM32 series of SoCs. - -On STM32 SoCs, the Digital Temperature Sensor (DTS) is in charge of managing an -analog block which delivers a frequency depending on the internal SoC's -temperature. By using a reference frequency, DTS is able to provide a sample -number which can be translated into a temperature by the user. - -DTS provides interrupt notification mechanism by threshold. This mechanism -offers two temperature trip points: passive and critical. The first is intended -for passive cooling notification while the second is used for over-temperature -reset. - -Required parameters: -------------------- - -compatible: Should be "st,stm32-thermal" -reg: This should be the physical base address and length of the - sensor's registers. -clocks: Phandle of the clock used by the thermal sensor. - See: Documentation/devicetree/bindings/clock/clock-bindings.txt -clock-names: Should be "pclk" for register access clock and reference clock. - See: Documentation/devicetree/bindings/resource-names.txt -#thermal-sensor-cells: Should be 0. See ./thermal.txt for a description. -interrupts: Standard way to define interrupt number. - -Example: - - thermal-zones { - cpu_thermal: cpu-thermal { - polling-delay-passive = <0>; - polling-delay = <0>; - - thermal-sensors = <&thermal>; - - trips { - cpu_alert1: cpu-alert1 { - temperature = <85000>; - hysteresis = <0>; - type = "passive"; - }; - - cpu-crit: cpu-crit { - temperature = <120000>; - hysteresis = <0>; - type = "critical"; - }; - }; - - cooling-maps { - }; - }; - }; - - thermal: thermal@50028000 { - compatible = "st,stm32-thermal"; - reg = <0x50028000 0x100>; - clocks = <&rcc TMPSENS>; - clock-names = "pclk"; - #thermal-sensor-cells = <0>; - interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>; - }; |