linux-kernel - Re: [PATCH 01/18] dt-bindings: clock: sa8775p: add bindings for Qualcomm gcc-sa8775p

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Date:   Mon, 9 Jan 2023 19:15:40 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Richard Cochran <richardcochran@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, Alex Elder <elder@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux.dev, linux-gpio@...r.kernel.org,
        netdev@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 01/18] dt-bindings: clock: sa8775p: add bindings for
 Qualcomm gcc-sa8775p

On 09/01/2023 18:44, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Add DT bindings for the GCC clock on SA8775P platforms. Add relevant
> DT include definitions as well.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>  .../bindings/clock/qcom,gcc-sa8775p.yaml      |  77 +++++

Use name style like SM8550.

>  include/dt-bindings/clock/qcom,gcc-sa8775p.h  | 320 ++++++++++++++++++
>  2 files changed, 397 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-sa8775p.yaml
>  create mode 100644 include/dt-bindings/clock/qcom,gcc-sa8775p.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sa8775p.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sa8775p.yaml
> new file mode 100644
> index 000000000000..35d92d94495a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sa8775p.yaml
> @@ -0,0 +1,77 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-sa8775p.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller on sa8775p
> +
> +maintainers:
> +  - Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> +
> +description: |
> +  Qualcomm global clock control module provides the clocks, resets and
> +  power domains on sa8775p.
> +
> +  See also:: include/dt-bindings/clock/qcom,gcc-sa8775p.h
> +
> +properties:
> +  compatible:
> +    const: qcom,gcc-sa8775p

Here as well.

> +
> +  clocks:
> +    items:
> +      - description: XO reference clock
> +      - description: Sleep clock
> +      - description: UFS memory first RX symbol clock
> +      - description: UFS memory second RX symbol clock
> +      - description: UFS memory first TX symbol clock
> +      - description: UFS card first RX symbol clock
> +      - description: UFS card second RX symbol clock
> +      - description: UFS card first TX symbol clock
> +      - description: Primary USB3 PHY wrapper pipe clock
> +      - description: Secondary USB3 PHY wrapper pipe clock
> +      - description: PCIe 0 pipe clock
> +      - description: PCIe 1 pipe clock
> +      - description: PCIe PHY clock
> +      - description: First EMAC controller reference clock
> +      - description: Second EMAC controller reference clock
> +
> +  protected-clocks:
> +    maxItems: 240
> +
> +required:
> +  - compatible
> +  - clocks
> +
> +allOf:
> +  - $ref: qcom,gcc.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,rpmh.h>
> +    gcc: clock-controller@...000 {
> +        compatible = "qcom,gcc-sa8775p";
> +        reg = <0x100000 0xc7018>;
> +        #clock-cells = <1>;
> +        #reset-cells = <1>;
> +        #power-domain-cells = <1>;
> +        clocks = <&rpmhcc RPMH_CXO_CLK>,
> +                 <&sleep_clk>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <&usb_0_ssphy>,
> +                 <0>,
> +                 <0>,
> +                 <0>,
> +                 <0>;

All these should be real in example.

> +    };
> +...
> diff --git a/include/dt-bindings/clock/qcom,gcc-sa8775p.h b/include/dt-bindings/clock/qcom,gcc-sa8775p.h
> new file mode 100644
> index 000000000000..badc253379c9
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,gcc-sa8775p.h

Filename needs adjustments.

> @@ -0,0 +1,320 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */

Dual license.

> +/*
> + * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
> + * Copyright (c) 2023, Linaro Limited
> + */
Best regards,
Krzysztof