linux-kernel - Re: [PATCH v2 03/15] dt-bindings: clock: Document qcom,gcc-ipq8064 binding

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Message-ID: <YeoUk3t2iVbQwj5s@robh.at.kernel.org>
Date:   Thu, 20 Jan 2022 20:04:03 -0600
From:   Rob Herring <robh@...nel.org>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Taniya Das <tdas@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 03/15] dt-bindings: clock: Document qcom,gcc-ipq8064
 binding

On Fri, Jan 21, 2022 at 12:20:16AM +0100, Ansuel Smith wrote:
> Document qcom,gcc-ipq8064 binding needed to declare pxo and cxo source
> clocks. The gcc node is also used by the tsens driver, already documented,
> to get the calib nvmem cells and the base reg from gcc.
> 
> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
>  .../bindings/clock/qcom,gcc-ipq8064.yaml      | 70 +++++++++++++++++++
>  1 file changed, 70 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml
> new file mode 100644
> index 000000000000..abc76a46b2ca
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml
> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-ipq8064.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller Binding for IPQ8064
> +
> +allOf:
> +  - $ref: qcom,gcc.yaml#
> +
> +maintainers:
> +  - Ansuel Smith <ansuelsmth@...il.com>
> +
> +description: |
> +  Qualcomm global clock control module which supports the clocks, resets and
> +  power domains on IPQ8064.
> +
> +  See also:
> +  - dt-bindings/clock/qcom,gcc-ipq806x.h
> +  - dt-bindings/reset/qcom,gcc-ipq806x.h
> +
> +properties:

This schema will never be applied because there is not a compatible 
property to use for matching. The base/common schema is the one that 
shouldn't have a compatible and then the specific schemas like this 
one do.

> +  clocks:
> +    items:
> +      - description: PXO source
> +      - description: CXO source
> +
> +  clock-names:
> +    items:
> +      - const: pxo
> +      - const: cxo
> +
> +  thermal-sensor:
> +    type: object
> +
> +    allOf:
> +      - $ref: /schemas/thermal/qcom-tsens.yaml#
> +
> +required:
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    gcc: clock-controller@...000 {
> +      compatible = "qcom,gcc-ipq8064", "syscon";
> +      reg = <0x00900000 0x4000>;
> +      clocks = <&pxo_board>, <&cxo_board>;
> +      clock-names = "pxo", "cxo";
> +      #clock-cells = <1>;
> +      #reset-cells = <1>;
> +      #power-domain-cells = <1>;
> +
> +      tsens: thermal-sensor {
> +        compatible = "qcom,ipq8064-tsens";
> +
> +        nvmem-cells = <&tsens_calib>, <&tsens_calib_backup>;
> +        nvmem-cell-names = "calib", "calib_backup";
> +        interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
> +        interrupt-names = "uplow";
> +
> +        #qcom,sensors = <11>;
> +        #thermal-sensor-cells = <1>;
> +      };
> +    };
> -- 
> 2.33.1
> 
>