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From: Rob Herring <robh@kernel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Chanwoo Choi <cw00.choi@samsung.com>,
	linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Sam Protsenko <semen.protsenko@linaro.org>
Subject: Re: [PATCH v2 6/8] dt-bindings: clock: samsung: convert Exynos AudSS to dtschema
Date: Tue, 17 Aug 2021 15:26:10 -0500	[thread overview]
Message-ID: <YRwbYiS7VTd/NdS5@robh.at.kernel.org> (raw)
In-Reply-To: <20210810093145.26153-7-krzysztof.kozlowski@canonical.com>

On Tue, Aug 10, 2021 at 11:31:43AM +0200, Krzysztof Kozlowski wrote:
> Convert Samsung Exynos Audio SubSystem clock controller bindings to DT
> schema format using json-schema.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/clock/clk-exynos-audss.txt       | 103 ------------------
>  .../clock/samsung,exynos-audss-clock.yaml     |  79 ++++++++++++++
>  2 files changed, 79 insertions(+), 103 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/clock/clk-exynos-audss.txt
>  create mode 100644 Documentation/devicetree/bindings/clock/samsung,exynos-audss-clock.yaml
> 
> diff --git a/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt b/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt
> deleted file mode 100644
> index 6030afb10b5c..000000000000
> --- a/Documentation/devicetree/bindings/clock/clk-exynos-audss.txt
> +++ /dev/null
> @@ -1,103 +0,0 @@
> -* Samsung Audio Subsystem Clock Controller
> -
> -The Samsung Audio Subsystem clock controller generates and supplies clocks
> -to Audio Subsystem block available in the S5PV210 and Exynos SoCs. The clock
> -binding described here is applicable to all SoCs in Exynos family.
> -
> -Required Properties:
> -
> -- compatible: should be one of the following:
> -  - "samsung,exynos4210-audss-clock" - controller compatible with all Exynos4 SoCs.
> -  - "samsung,exynos5250-audss-clock" - controller compatible with Exynos5250
> -    SoCs.
> -  - "samsung,exynos5410-audss-clock" - controller compatible with Exynos5410
> -    SoCs.
> -  - "samsung,exynos5420-audss-clock" - controller compatible with Exynos5420
> -    SoCs.
> -- reg: physical base address and length of the controller's register set.
> -
> -- #clock-cells: should be 1.
> -
> -- clocks:
> -  - pll_ref: Fixed rate PLL reference clock, parent of mout_audss. "fin_pll"
> -    is used if not specified.
> -  - pll_in: Input PLL to the AudioSS block, parent of mout_audss. "fout_epll"
> -    is used if not specified.
> -  - cdclk: External i2s clock, parent of mout_i2s. "cdclk0" is used if not
> -    specified.
> -  - sclk_audio: Audio bus clock, parent of mout_i2s. "sclk_audio0" is used if
> -    not specified.
> -  - sclk_pcm_in: PCM clock, parent of sclk_pcm.  "sclk_pcm0" is used if not
> -    specified.
> -
> -- clock-names: Aliases for the above clocks. They should be "pll_ref",
> -  "pll_in", "cdclk", "sclk_audio", and "sclk_pcm_in" respectively.
> -
> -Optional Properties:
> -
> -  - power-domains: a phandle to respective power domain node as described by
> -    generic PM domain bindings (see power/power_domain.txt for more
> -    information).
> -
> -The following is the list of clocks generated by the controller. Each clock is
> -assigned an identifier and client nodes use this identifier to specify the
> -clock which they consume. Some of the clocks are available only on a particular
> -Exynos4 SoC and this is specified where applicable.
> -
> -Provided clocks:
> -
> -Clock           ID      SoC (if specific)
> ------------------------------------------------
> -
> -mout_audss      0
> -mout_i2s        1
> -dout_srp        2
> -dout_aud_bus    3
> -dout_i2s        4
> -srp_clk         5
> -i2s_bus         6
> -sclk_i2s        7
> -pcm_bus         8
> -sclk_pcm        9
> -adma            10      Exynos5420
> -
> -Example 1: An example of a clock controller node using the default input
> -	   clock names is listed below.
> -
> -clock_audss: audss-clock-controller@3810000 {
> -	compatible = "samsung,exynos5250-audss-clock";
> -	reg = <0x03810000 0x0C>;
> -	#clock-cells = <1>;
> -};
> -
> -Example 2: An example of a clock controller node with the input clocks
> -           specified.
> -
> -clock_audss: audss-clock-controller@3810000 {
> -	compatible = "samsung,exynos5250-audss-clock";
> -	reg = <0x03810000 0x0C>;
> -	#clock-cells = <1>;
> -	clocks = <&clock 1>, <&clock 7>, <&clock 138>, <&clock 160>,
> -		<&ext_i2s_clk>;
> -	clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in", "cdclk";
> -};
> -
> -Example 3: I2S controller node that consumes the clock generated by the clock
> -           controller. Refer to the standard clock bindings for information
> -           about 'clocks' and 'clock-names' property.
> -
> -i2s0: i2s@3830000 {
> -	compatible = "samsung,i2s-v5";
> -	reg = <0x03830000 0x100>;
> -	dmas = <&pdma0 10
> -		&pdma0 9
> -		&pdma0 8>;
> -	dma-names = "tx", "rx", "tx-sec";
> -	clocks = <&clock_audss EXYNOS_I2S_BUS>,
> -		<&clock_audss EXYNOS_I2S_BUS>,
> -		<&clock_audss EXYNOS_SCLK_I2S>,
> -		<&clock_audss EXYNOS_MOUT_AUDSS>,
> -		<&clock_audss EXYNOS_MOUT_I2S>;
> -	clock-names = "iis", "i2s_opclk0", "i2s_opclk1",
> -		      "mout_audss", "mout_i2s";
> -};
> diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos-audss-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos-audss-clock.yaml
> new file mode 100644
> index 000000000000..d60b29fa22e7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/samsung,exynos-audss-clock.yaml
> @@ -0,0 +1,79 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/samsung,exynos-audss-clock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung Exynos SoC Audio SubSystem clock controller
> +
> +maintainers:
> +  - Chanwoo Choi <cw00.choi@samsung.com>
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +  - Sylwester Nawrocki <s.nawrocki@samsung.com>
> +  - Tomasz Figa <tomasz.figa@gmail.com>
> +
> +description: |
> +  All available clocks are defined as preprocessor macros in
> +  include/dt-bindings/clock/exynos-audss-clk.h header.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - samsung,exynos4210-audss-clock
> +      - samsung,exynos5250-audss-clock
> +      - samsung,exynos5410-audss-clock
> +      - samsung,exynos5420-audss-clock
> +
> +  clocks:
> +    minItems: 2
> +    items:
> +      - description:
> +          Fixed rate PLL reference clock, parent of mout_audss. "fin_pll" is
> +          used if not specified.
> +      - description:
> +          Input PLL to the AudioSS block, parent of mout_audss. "fout_epll" is
> +          used if not specified.
> +      - description:
> +          Audio bus clock, parent of mout_i2s. "sclk_audio0" is used if not
> +          specified.
> +      - description:
> +          PCM clock, parent of sclk_pcm.  "sclk_pcm0" is used if not specified.
> +      - description:
> +          External i2s clock, parent of mout_i2s. "cdclk0" is used if not
> +          specified.
> +
> +  clock-names:
> +    minItems: 2
> +    items:
> +      - const: pll_ref
> +      - const: pll_in
> +      - const: sclk_audio
> +      - const: sclk_pcm_in
> +      - const: cdclk
> +
> +  "#clock-cells":
> +    const: 1
> +
> +  power-domains: true

How many?

> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - clocks
> +  - clock-names
> +  - "#clock-cells"
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    clock-controller@3810000 {
> +        compatible = "samsung,exynos5250-audss-clock";
> +        reg = <0x03810000 0x0c>;
> +        #clock-cells = <1>;
> +        clocks = <&clock 1>, <&clock 7>, <&clock 138>, <&clock 160>, <&ext_i2s_clk>;
> +        clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in", "cdclk";
> +    };
> -- 
> 2.30.2
> 
> 

  parent reply	other threads:[~2021-08-17 20:26 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10  9:31 [PATCH v2 0/8] dt-bindings: clock: samsung: convert " Krzysztof Kozlowski
2021-08-10  9:31 ` [PATCH v2 1/8] dt-bindings: clock: samsung: convert Exynos5250 " Krzysztof Kozlowski
2021-08-10 17:51   ` Sam Protsenko
2021-08-11  6:44     ` Krzysztof Kozlowski
2021-08-17 20:16   ` Rob Herring
2021-08-18  6:49     ` Krzysztof Kozlowski
2021-08-10  9:31 ` [PATCH v2 2/8] dt-bindings: clock: samsung: add bindings for Exynos external clock Krzysztof Kozlowski
2021-08-10 17:49   ` Sam Protsenko
2021-08-11  6:45     ` Krzysztof Kozlowski
2021-08-17 20:17   ` Rob Herring
2021-08-10  9:31 ` [PATCH v2 3/8] dt-bindings: clock: samsung: convert Exynos542x to dtschema Krzysztof Kozlowski
2021-08-17 20:21   ` Rob Herring
2021-08-18  6:53     ` Krzysztof Kozlowski
2021-08-10  9:31 ` [PATCH v2 4/8] dt-bindings: clock: samsung: convert Exynos3250 " Krzysztof Kozlowski
2021-08-17 20:21   ` Rob Herring
2021-08-10  9:31 ` [PATCH v2 5/8] dt-bindings: clock: samsung: convert Exynos4 " Krzysztof Kozlowski
2021-08-17 20:24   ` Rob Herring
2021-08-18  7:05     ` Krzysztof Kozlowski
2021-08-10  9:31 ` [PATCH v2 6/8] dt-bindings: clock: samsung: convert Exynos AudSS " Krzysztof Kozlowski
2021-08-10 17:46   ` Sam Protsenko
2021-08-11  6:46     ` Krzysztof Kozlowski
2021-08-17 20:25       ` Rob Herring
2021-08-17 20:26   ` Rob Herring [this message]
2021-08-18  7:06     ` Krzysztof Kozlowski
2021-08-10  9:31 ` [PATCH v2 7/8] dt-bindings: clock: samsung: convert S5Pv210 " Krzysztof Kozlowski
2021-08-10  9:31 ` [PATCH v2 8/8] MAINTAINERS: clock: include S3C and S5P in Samsung SoC clock entry Krzysztof Kozlowski
2021-08-10 17:52 ` [PATCH v2 0/8] dt-bindings: clock: samsung: convert to dtschema Sam Protsenko

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