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References: <20220817080757.352021-1-bchihi@baylibre.com> <20220817080757.352021-3-bchihi@baylibre.com>
 <18164de9-ad28-939c-a802-69647fc65a37@linaro.org>
In-Reply-To: <18164de9-ad28-939c-a802-69647fc65a37@linaro.org>
From:   Balsam CHIHI <bchihi@baylibre.com>
Date:   Thu, 18 Aug 2022 16:04:00 +0200
Message-ID: <CAGuA+op3tFL6M=H2rzAB4DJn+7ve4W5vUuRc+zBrq7zQY2CX7w@mail.gmail.com>
Subject: Re: [PATCH v9,2/7] dt-bindings: thermal: Add dt-binding document for
 LVTS thermal controllers
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     rafael@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org,
        amitk@kernel.org, linux-pm@vger.kernel.org,
        linux-kernel@vger.kernel.org, khilman@baylibre.com,
        mka@chromium.org, robh+dt@kernel.org, krzk+dt@kernel.org,
        matthias.bgg@gmail.com, p.zabel@pengutronix.de,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, james.lo@mediatek.com,
        fan.chen@mediatek.com, louis.yu@mediatek.com,
        rex-bc.chen@mediatek.com, abailon@baylibre.com
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Precedence: bulk

Hi Krzysztof,

Thank you for the reviews.
Would you please explain the meaning of "Rebase your patchset on
decent kernel tree. You seem to use something a bit old"?
It is rebased on top of linux-6.0.0-rc1.
Am I missing something?

Best regards,
Balsam

On Thu, Aug 18, 2022 at 3:48 PM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 17/08/2022 11:07, bchihi@baylibre.com wrote:
> > From: Alexandre Bailon <abailon@baylibre.com>
> >
> > Add dt-binding document for mt8192 and mt8195 LVTS thermal controllers.
>
> Rebase your patchset on decent kernel tree. You seem to use something a
> bit old.
>
> >
> > Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
> > Co-developed-by: Balsam CHIHI <bchihi@baylibre.com>
> > Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
> > ---
> >  .../thermal/mediatek,lvts-thermal.yaml        | 152 ++++++++++++++++++
> >  1 file changed, 152 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..31d9e220513a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
> > @@ -0,0 +1,152 @@
> > +# 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@mediatek.com>
> > +  - Ben Tseng <ben.tseng@mediatek.com>
> > +
> > +description: |
> > +  LVTS (Low Voltage Thermal Sensor).
> > +  The architecture will be first used on mt8192 and mt8195.
> > +
> > +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: 1
> > +    description: LVTS instance registers.
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +    description: LVTS instance interrupts.
> > +
> > +  clocks:
> > +    maxItems: 1
> > +    description: LVTS instance clock.
>
> Skip all these three descriptions. They are obvious.
>
> > +
> > +  resets:
> > +    maxItems: 1
> > +    description: |
> > +      LVTS instance SW reset for HW AP/MCU domain to clean temporary data
> > +      on HW initialization/resume.
> > +
> > +  nvmem-cells:
> > +    minItems: 1
> > +    maxItems: 2
> > +    description: Calibration efuse data for LVTS
> > +
> > +  nvmem-cell-names:
> > +    minItems: 1
> > +    maxItems: 2
> > +    description: Calibration efuse cell names for LVTS
> > +
> > +allOf:
> > +  - $ref: thermal-sensor.yaml#
> > +
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - mediatek,mt8192-lvts-ap
> > +              - mediatek,mt8192-lvts-mcu
> > +    then:
> > +      properties:
> > +        nvmem-cells:
> > +          items:
> > +            - description: Calibration efuse data for LVTS
> > +
> > +        nvmem-cell-names:
> > +          items:
> > +            - const: lvts_calib_data1
> > +
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - mediatek,mt8195-lvts-ap
> > +              - mediatek,mt8195-lvts-mcu
> > +    then:
> > +      properties:
> > +        nvmem-cells:
> > +          items:
> > +            - description: Calibration efuse data 1 for LVTS
> > +            - description: Calibration efuse data 2 for LVTS
> > +
> > +        nvmem-cell-names:
> > +          items:
> > +            - const: lvts_calib_data1
> > +            - const: lvts_calib_data2
> > +
> > +required:
> > +  - compatible
> > +  - '#thermal-sensor-cells'
>
> Use consistent quotes: either ' or "
>
> > +  - reg
> > +  - interrupts
> > +  - clocks
> > +  - resets
> > +  - nvmem-cells
> > +  - nvmem-cell-names
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +    #include <dt-bindings/clock/mt8192-clk.h>
> > +    #include <dt-bindings/reset/mt8192-resets.h>
> > +
> > +    soc {
> > +      #address-cells = <2>;
> > +      #size-cells = <2>;
> > +
> > +      lvts_ap: thermal-sensor@1100b000 {
> > +        compatible = "mediatek,mt8192-lvts-ap";
> > +        #thermal-sensor-cells = <1>;
> > +        reg = <0 0x1100b000 0 0x1000>;
>
> Convention is: compatible, then reg, then the rest of properties
>
> > +        interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH 0>;
> > +        clocks = <&infracfg CLK_INFRA_THERM>;
> > +        resets = <&infracfg MT8192_INFRA_RST0_THERM_CTRL_SWRST>;
> > +        nvmem-cells = <&lvts_e_data1>;
> > +        nvmem-cell-names = "lvts_calib_data1";
> > +      };
> > +
> > +      lvts_mcu: thermal-sensor@11278000 {
> > +        compatible = "mediatek,mt8192-lvts-mcu";
> > +        #thermal-sensor-cells = <1>;
> > +        reg = <0 0x11278000 0 0x1000>;
> > +        interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH 0>;
> > +        clocks = <&infracfg CLK_INFRA_THERM>;
> > +        resets = <&infracfg MT8192_INFRA_RST4_THERM_CTRL_MCU_SWRST>;
> > +        nvmem-cells = <&lvts_e_data1>;
> > +        nvmem-cell-names = "lvts_calib_data1";
> > +      };
> > +    };
>
> This part is the same as previous, so just skip it or replace with an
> example which is different somehow.
>
> Best regards,
> Krzysztof