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

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Message-ID: <20210618191007.GA2633228@robh.at.kernel.org>
Date:   Fri, 18 Jun 2021 13:10:07 -0600
From:   Rob Herring <robh@...nel.org>
To:     Ben Tseng <ben.tseng@...iatek.com>
Cc:     Fan Chen <fan.chen@...iatek.com>, Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-pm@...r.kernel.org, srv_heupstream@...iatek.com,
        Eduardo Valentin <edubezval@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>, hsinyi@...omium.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        Michael Kao <michael.kao@...iatek.com>
Subject: Re: [PATCH v5 3/3] dt-bindings: thermal: Add binding document for
 mt6873 thermal controller

On Thu, Jun 17, 2021 at 07:47:07PM +0800, Ben Tseng wrote:
> From: Michael Kao <michael.kao@...iatek.com>
> 
> This patch adds binding document for mt6873 thermal controller.
> 
> Signed-off-by: Michael Kao <michael.kao@...iatek.com>
> Signed-off-by: Ben Tseng <ben.tseng@...iatek.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@...iatek.com>
> +  - Ben Tseng <ben.tseng@...iatek.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@...0b000 {

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
> 
>