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

From: Rob Herring
Date: Fri Jun 18 2021 - 15:10:20 EST


On Thu, Jun 17, 2021 at 07:47:07PM +0800, Ben Tseng wrote:
> From: Michael Kao <michael.kao@xxxxxxxxxxxx>
>
> This patch adds binding document for mt6873 thermal controller.
>
> Signed-off-by: Michael Kao <michael.kao@xxxxxxxxxxxx>
> Signed-off-by: Ben Tseng <ben.tseng@xxxxxxxxxxxx>
> ---
> This patch depends on [1].
>
> [1] https://patchwork.kernel.org/project/linux-mediatek/patch/20210524122053.17155-7-chun-jie.chen@xxxxxxxxxxxx/
> ---
> 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@xxxxxxxxxxxx>
> + - Ben Tseng <ben.tseng@xxxxxxxxxxxx>
> +
> +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
>
>