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Message-ID: <20191002152125.16227-1-benjamin.gaignard@st.com>
Date: Wed, 2 Oct 2019 17:21:25 +0200
From: Benjamin Gaignard <benjamin.gaignard@...com>
To: <robh+dt@...nel.org>, <alexandre.torgue@...com>,
<rui.zhang@...el.com>, <edubezval@...il.com>,
<daniel.lezcano@...aro.org>, <mark.rutland@....com>
CC: <devicetree@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH] 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@...com>
---
.../bindings/thermal/st,stm32-thermal.yaml | 74 ++++++++++++++++++++++
.../devicetree/bindings/thermal/stm32-thermal.txt | 61 ------------------
2 files changed, 74 insertions(+), 61 deletions(-)
create mode 100644 Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml
delete mode 100644 Documentation/devicetree/bindings/thermal/stm32-thermal.txt
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..be8e1c51c11e
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: GPL-2.0
+%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@...com>
+
+properties:
+ compatible:
+ const: st,stm32-thermal
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Module Clock
+
+ clock-names:
+ items:
+ - const: pclk
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/stm32mp1-clks.h>
+ dts: thermal@...28000 {
+ 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@...28000 {
- 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>;
- };
--
2.15.0
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