linux-kernel - [v3,3/3] dt-bindings: thermal: Add binding document for mt6873 thermal controller

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Message-ID: <20210312034018.17437-4-michael.kao@mediatek.com>
Date:   Fri, 12 Mar 2021 11:40:18 +0800
From:   Michael Kao <michael.kao@...iatek.com>
To:     <michael.kao@...iatek.com>, Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        <linux-pm@...r.kernel.org>, <srv_heupstream@...iatek.com>
CC:     Eduardo Valentin <edubezval@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <hsinyi@...omium.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>
Subject: [v3,3/3] dt-bindings: thermal: Add binding document for mt6873 thermal controller

This patch adds binding document for mt6873 thermal controller.

Signed-off-by: Michael Kao <michael.kao@...iatek.com>
---
This patch depends on [1].

[1]https://patchwork.kernel.org/project/linux-mediatek/cover/1608642587-15634-1-git-send-email-weiyi.lu@mediatek.com/
---
 .../thermal/mediatek-thermal-lvts.yaml        | 81 +++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/mediatek-thermal-lvts.yaml

diff --git a/Documentation/devicetree/bindings/thermal/mediatek-thermal-lvts.yaml b/Documentation/devicetree/bindings/thermal/mediatek-thermal-lvts.yaml
new file mode 100644
index 000000000000..0c6535abeb81
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/mediatek-thermal-lvts.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/mediatek-thermal-lvts.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek SoC LVTS thermal controller (DTS) binding
+
+maintainers:
+  - Yu-Chia Chang <ethan.chang@...iatek.com>
+  - Michael Kao <michael.kao@...iatek.com>
+
+properties:
+  compatible:
+    const: mediatek,mt6873-lvts
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: lvts_clk
+
+  "#thermal-sensor-cells":
+    const: 0
+
+required:
+  - "#thermal-sensor-cells"
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/thermal/thermal.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/mt8192-clk.h>
+    dts: lvts@...0b000 {
+        compatible = "mediatek,mt6873-lvts";
+        reg = <0x1100b000 0x1000>;
+        clocks = <&infracfg CLK_INFRA_THERM>;
+        clock-names = "lvts_clk";
+        #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 {
+            };
+        };
+    };
+...
-- 
2.18.0