diff mbox series

[v8,2/6] dt-bindings: thermal: Add binding document for LVTS thermal controllers

Message ID 20220726135506.485108-3-bchihi@baylibre.com
State New
Headers show
Series Add LVTS architecture thermal | expand

Commit Message

Balsam CHIHI July 26, 2022, 1:55 p.m. UTC 
This patch adds dt-binding documents for mt8192 and mt8195 thermal controllers.

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
---
 .../thermal/mediatek,mt8192-lvts.yaml         | 73 ++++++++++++++++++
 .../thermal/mediatek,mt8195-lvts.yaml         | 75 +++++++++++++++++++
 2 files changed, 148 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/mediatek,mt8192-lvts.yaml
 create mode 100644 Documentation/devicetree/bindings/thermal/mediatek,mt8195-lvts.yaml
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/thermal/mediatek,mt8192-lvts.yaml b/Documentation/devicetree/bindings/thermal/mediatek,mt8192-lvts.yaml
new file mode 100644
index 000000000000..8c5a02eb97c5
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/mediatek,mt8192-lvts.yaml
@@ -0,0 +1,73 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/mediatek,mt8192-lvts.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek SoC LVTS thermal controller
+
+maintainers:
+  - Yu-Chia Chang <ethan.chang@mediatek.com>
+  - Ben Tseng <ben.tseng@mediatek.com>
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8192-lvts-ap
+      - mediatek,mt8192-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 for clean temporary data when HW initialization and resume.
+
+  nvmem-cells:
+    items:
+      - description: LVTS calibration data for thermal sensors
+
+  nvmem-cell-names:
+    items:
+      - const: lvts_calib_data
+
+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/mt8192-clk.h>
+    #include <dt-bindings/reset/mt8192-resets.h>
+
+      lvtsmcu: thermal-sensor@11278000 {
+        compatible = "mediatek,mt8192-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_THERM>;
+        resets = <&infracfg_ao MT8192_INFRA_RST4_THERM_CTRL_MCU_SWRST>;
+        nvmem-cells = <&lvts_efuse_data>;
+        nvmem-cell-names = "lvts_calib_data";
+      };
+
+...
diff --git a/Documentation/devicetree/bindings/thermal/mediatek,mt8195-lvts.yaml b/Documentation/devicetree/bindings/thermal/mediatek,mt8195-lvts.yaml
new file mode 100644
index 000000000000..6b0b53a33272
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/mediatek,mt8195-lvts.yaml
@@ -0,0 +1,75 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/mediatek,mt8195-lvts.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek SoC LVTS thermal controller
+
+maintainers:
+  - Yu-Chia Chang <ethan.chang@mediatek.com>
+  - Ben Tseng <ben.tseng@mediatek.com>
+
+properties:
+  compatible:
+    enum:
+      - 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 for clean temporary data when HW initialization and 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@11278000 {
+        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";
+      };
+
+...