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Message-ID: <562043e1-83d4-d4ab-2c18-20b770b02955@linaro.org>
Date:   Fri, 5 Aug 2022 11:15:46 +0200
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Subject: Re: [PATCH V3 4/6] dt-bindings: clk: meson: add S4 SoC peripheral
 clock controller bindings
Content-Language: en-US
To:     Yu Tu <yu.tu@amlogic.com>, linux-clk@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>
References: <20220805085716.5635-1-yu.tu@amlogic.com>
 <20220805085716.5635-5-yu.tu@amlogic.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220805085716.5635-5-yu.tu@amlogic.com>
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On 05/08/2022 10:57, Yu Tu wrote:
> Add peripheral clock controller compatible and dt-bindings header for
> the of the S4 SoC.
> 
> Signed-off-by: Yu Tu <yu.tu@amlogic.com>
> ---
>  .../bindings/clock/amlogic,s4-clkc.yaml       |  92 ++++++++++++
>  include/dt-bindings/clock/amlogic,s4-clkc.h   | 131 ++++++++++++++++++
>  2 files changed, 223 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/amlogic,s4-clkc.yaml
>  create mode 100644 include/dt-bindings/clock/amlogic,s4-clkc.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,s4-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,s4-clkc.yaml
> new file mode 100644
> index 000000000000..2471276afda9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,s4-clkc.yaml

Filename should be based on compatible, so amlogic,s4-periphs-clkc.yaml

> @@ -0,0 +1,92 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/amlogic,s4-clkc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Amlogic Meson S serials Peripheral Clock Controller Device Tree Bindings

s/Device Tree Bindings//

> +
> +maintainers:
> +  - Neil Armstrong <narmstrong@baylibre.com>
> +  - Jerome Brunet <jbrunet@baylibre.com>
> +  - Yu Tu <yu.hu@amlogic.com>
> +
> +
> +properties:
> +  compatible:
> +    const: amlogic,s4-periphs-clkc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: input fixed pll div2
> +      - description: input fixed pll div2p5
> +      - description: input fixed pll div3
> +      - description: input fixed pll div4
> +      - description: input fixed pll div5
> +      - description: input fixed pll div7
> +      - description: input hifi pll
> +      - description: input gp0 pll
> +      - description: input mpll0
> +      - description: input mpll1
> +      - description: input mpll2
> +      - description: input mpll3
> +      - description: input hdmi pll
> +      - description: input oscillator (usually at 24MHz)
> +
> +  clock-names:
> +    items:
> +      - const: fclk_div2
> +      - const: fclk_div2p5
> +      - const: fclk_div3
> +      - const: fclk_div4
> +      - const: fclk_div5
> +      - const: fclk_div7
> +      - const: hifi_pll
> +      - const: gp0_pll
> +      - const: mpll0
> +      - const: mpll1
> +      - const: mpll2
> +      - const: mpll3
> +      - const: hdmi_pll
> +      - const: xtal
> +
> +  "#clock-cells":
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - "#clock-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clkc_periphs: periphs-clock-controller@fe000000 {
> +      compatible = "amlogic,s4-periphs-clkc";
> +      reg = <0xfe000000 0x49c>;
> +      clocks = <&clkc_pll 3>,
> +              <&clkc_pll 13>,
> +              <&clkc_pll 5>,
> +              <&clkc_pll 7>,
> +              <&clkc_pll 9>,
> +              <&clkc_pll 11>,
> +              <&clkc_pll 17>,
> +              <&clkc_pll 15>,
> +              <&clkc_pll 25>,
> +              <&clkc_pll 27>,
> +              <&clkc_pll 29>,
> +              <&clkc_pll 31>,
> +              <&clkc_pll 20>,
> +              <&xtal>;
> +      clock-names = "fclk_div2", "fclk_div2p5", "fclk_div3", "fclk_div4",
> +                    "fclk_div5", "fclk_div7", "hifi_pll", "gp0_pll",
> +                    "mpll0", "mpll1", "mpll2", "mpll3", "hdmi_pll", "xtal";
> +      #clock-cells = <1>;
> +    };
> +...
> diff --git a/include/dt-bindings/clock/amlogic,s4-clkc.h b/include/dt-bindings/clock/amlogic,s4-clkc.h
> new file mode 100644
> index 000000000000..d203b9bbf29e
> --- /dev/null
> +++ b/include/dt-bindings/clock/amlogic,s4-clkc.h

Probably this should be then amlogic,s4-periphs-clkc.h

> @@ -0,0 +1,131 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
> +/*
> + * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
> + * Author: Yu Tu <yu.tu@amlogic.com>
> + */
> +
> +#ifndef _DT_BINDINGS_CLOCK_AMLOGIC_S4_CLKC_H
> +#define _DT_BINDINGS_CLOCK_AMLOGIC_S4_CLKC_H

Best regards,
Krzysztof