linux-kernel - [PATCH v6 2/7] dt-bindings: thermal: add YAML schema for sun8i-thermal driver bindings

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Message-Id: <20191127052935.1719897-3-anarsoul@gmail.com>
Date:   Tue, 26 Nov 2019 21:29:30 -0800
From:   Vasily Khoruzhick <anarsoul@...il.com>
To:     Yangtao Li <tiny.windzz@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Ondřej Jirman <megous@...ous.com>,
        linux-kernel@...r.kernel.org
Cc:     Vasily Khoruzhick <anarsoul@...il.com>
Subject: [PATCH v6 2/7] dt-bindings: thermal: add YAML schema for sun8i-thermal driver bindings

From: Yangtao Li <tiny.windzz@...il.com>

sun8i-thermal driver supports thermal sensor in wide range of Allwinner
SoCs. Add YAML schema for its bindings.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@...il.com>
---
 .../thermal/allwinner,sun8i-a83t-ths.yaml     | 103 ++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml

diff --git a/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml b/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml
new file mode 100644
index 000000000000..e622f0a4be90
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/allwinner,sun8i-a83t-ths.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner SUN8I Thermal Controller Device Tree Bindings
+
+maintainers:
+  - Yangtao Li <tiny.windzz@...il.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: allwinner,sun8i-a83t-ths
+      - const: allwinner,sun8i-h3-ths
+      - const: allwinner,sun8i-r40-ths
+      - const: allwinner,sun50i-a64-ths
+      - const: allwinner,sun50i-h5-ths
+      - const: allwinner,sun50i-h6-ths
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 2
+
+  clock-names:
+    anyOf:
+      - items:
+        - const: bus
+        - const: mod
+      - items:
+        - const: bus
+
+  '#thermal-sensor-cells':
+    enum: [ 0, 1 ]
+    description: |
+      Definition depends on soc version:
+
+      For "allwinner,sun8i-h3-ths",
+      value must be 0.
+      For all other compatibles
+      value must be 1.
+
+  nvmem-cells:
+    maxItems: 1
+    items:
+      - description: Calibration data for thermal sensors
+
+  nvmem-cell-names:
+    items:
+      - const: calibration
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - '#thermal-sensor-cells'
+
+examples:
+  - |
+    ths_a83t: ths@...4000 {
+         compatible = "allwinner,sun8i-a83t-ths";
+         reg = <0x01f04000 0x100>;
+         interrupts = <0 31 0>;
+         nvmem-cells = <&ths_calibration>;
+         nvmem-cell-names = "calibration";
+         #thermal-sensor-cells = <1>;
+    };
+  - |
+    ths_h3: ths@...5000 {
+         compatible = "allwinner,sun8i-h3-ths";
+         reg = <0x01c25000 0x400>;
+         clocks = <&ccu 0>, <&ccu 1>;
+         clock-names = "bus", "mod";
+         resets = <&ccu 2>;
+         interrupts = <0 31 0>;
+         nvmem-cells = <&ths_calibration>;
+         nvmem-cell-names = "calibration";
+         #thermal-sensor-cells = <0>;
+    };
+  - |
+    ths_h6: ths@...0400 {
+         compatible = "allwinner,sun50i-h6-ths";
+         reg = <0x05070400 0x100>;
+         clocks = <&ccu 0>;
+         clock-names = "bus";
+         resets = <&ccu 2>;
+         interrupts = <0 15 0>;
+         nvmem-cells = <&ths_calibration>;
+         nvmem-cell-names = "calibration";
+         #thermal-sensor-cells = <1>;
+    };
+
+...
-- 
2.24.0