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[v5,3/3] dt-bindings: thermal: Add binding document for mt6873 thermal controller

Message ID 20210617114707.10618-4-ben.tseng@mediatek.com (mailing list archive)
State New
Delegated to: Daniel Lezcano
Headers show
Series thermal: mediatek: Add LVTS architecture thermal controller | expand

Commit Message

Ben Tseng June 17, 2021, 11:47 a.m. UTC
From: Michael Kao <michael.kao@mediatek.com>

This patch adds binding document for mt6873 thermal controller.

Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Ben Tseng <ben.tseng@mediatek.com>
---
This patch depends on [1].

[1] https://patchwork.kernel.org/project/linux-mediatek/patch/20210524122053.17155-7-chun-jie.chen@mediatek.com/
---
Feature: Thermal Management

Change-Id: Ibe06c699c6edc870aaee95170c3f182d1889472d
---
 .../thermal/mediatek-thermal-lvts.yaml        | 81 +++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/mediatek-thermal-lvts.yaml

Comments

Rob Herring June 18, 2021, 7:10 p.m. UTC | #1
On Thu, Jun 17, 2021 at 07:47:07PM +0800, Ben Tseng wrote:
> From: Michael Kao <michael.kao@mediatek.com>
> 
> This patch adds binding document for mt6873 thermal controller.
> 
> Signed-off-by: Michael Kao <michael.kao@mediatek.com>
> Signed-off-by: Ben Tseng <ben.tseng@mediatek.com>
> ---
> This patch depends on [1].
> 
> [1] https://patchwork.kernel.org/project/linux-mediatek/patch/20210524122053.17155-7-chun-jie.chen@mediatek.com/
> ---
> Feature: Thermal Management
> 
> Change-Id: Ibe06c699c6edc870aaee95170c3f182d1889472d
> ---
>  .../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..69ffe7b14c21
> --- /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@mediatek.com>
> +  - Ben Tseng <ben.tseng@mediatek.com>
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt6873-lvts
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: lvts_clk

Not really a useful name. I'd just drop 'clock-names'.

> +
> +  "#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@1100b000 {

thermal-sensor@...

> +        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
> 
>
diff mbox series

Patch

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..69ffe7b14c21
--- /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@mediatek.com>
+  - Ben Tseng <ben.tseng@mediatek.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@1100b000 {
+        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 {
+            };
+        };
+    };
+...