linux-kernel - [PATCH v8.1, 2/7] dt-bindings: thermal: Add binding document for LVTS thermal controllers

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Message-Id: <20220804130912.676043-3-bchihi@baylibre.com>
Date:   Thu,  4 Aug 2022 15:09:07 +0200
From:   bchihi@...libre.com
To:     rafael@...nel.org, rui.zhang@...el.com, daniel.lezcano@...aro.org,
        amitk@...nel.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        khilman@...libre.com, mka@...omium.org, robh+dt@...nel.org,
        krzk+dt@...nel.org, matthias.bgg@...il.com, p.zabel@...gutronix.de,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, james.lo@...iatek.com,
        fan.chen@...iatek.com, louis.yu@...iatek.com,
        rex-bc.chen@...iatek.com, abailon@...libre.com
Subject: [PATCH v8.1, 2/7] dt-bindings: thermal: Add binding document for LVTS thermal controllers

From: Alexandre Bailon <abailon@...libre.com>

This patch adds dt-binding documents for mt8192 and mt8195 thermal controllers.

Signed-off-by: Alexandre Bailon <abailon@...libre.com>
Signed-off-by: Balsam CHIHI <bchihi@...libre.com>
---
 .../thermal/mediatek,lvts-thermal.yaml        | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml

diff --git a/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
new file mode 100644
index 000000000000..53c44a73f3a4
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/mediatek,lvts-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek SoC LVTS thermal controller
+
+maintainers:
+  - Yu-Chia Chang <ethan.chang@...iatek.com>
+  - Ben Tseng <ben.tseng@...iatek.com>
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8192-lvts-ap
+      - mediatek,mt8192-lvts-mcu
+      - mediatek,mt8195-lvts-ap
+      - mediatek,mt8195-lvts-mcu
+
+  "#thermal-sensor-cells":
+    const: 1
+
+  reg:
+    maxItems: 2
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    items:
+      - description: SW reset HW AP/MCU domain to clean temporary data on HW initialization/resume.
+
+  nvmem-cells:
+    items:
+      - description: LVTS calibration data 1 for thermal sensors
+      - description: LVTS calibration data 2 for thermal sensors
+
+  nvmem-cell-names:
+    items:
+      - const: lvts_calib_data1
+      - const: lvts_calib_data2
+
+required:
+  - compatible
+  - '#thermal-sensor-cells'
+  - reg
+  - interrupts
+  - clocks
+  - resets
+  - nvmem-cells
+  - nvmem-cell-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/thermal/thermal.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/mt8195-clk.h>
+    #include <dt-bindings/reset/mt8195-resets.h>
+
+      lvtsmcu: thermal-sensor@...78000 {
+        compatible = "mediatek,mt8195-lvts-mcu";
+        #thermal-sensor-cells = <1>;
+        reg = <0 0x11278000 0 0x400>;
+        interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH 0>;
+        clocks = <&infracfg_ao CLK_INFRA_AO_THERM>;
+        resets = <&infracfg_ao MT8195_INFRA_RST4_THERM_CTRL_MCU_SWRST>;
+        nvmem-cells = <&lvts_efuse_data1 &lvts_efuse_data2>;
+        nvmem-cell-names = "lvts_calib_data1", "lvts_calib_data2";
+      };
+
+...
-- 
2.34.1