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Message-ID: <CAPLW+4njX-R2e66qcCz=OT_bYKTRLHTH4nFv==EEovJyjN8qAg@mail.gmail.com>
Date: Tue, 10 Aug 2021 20:51:35 +0300
From: Sam Protsenko <semen.protsenko@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Sylwester Nawrocki <s.nawrocki@...sung.com>,
Tomasz Figa <tomasz.figa@...il.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
linux-clk <linux-clk@...r.kernel.org>,
devicetree <devicetree@...r.kernel.org>,
linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/8] dt-bindings: clock: samsung: convert Exynos5250 to dtschema
On Tue, 10 Aug 2021 at 12:32, Krzysztof Kozlowski
<krzysztof.kozlowski@...onical.com> wrote:
>
> Convert Samsung Exynos5250 clock controller bindings to DT schema format
> using json-schema.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
> ---
> .../bindings/clock/exynos5250-clock.txt | 41 ----------------
> .../bindings/clock/samsung,exynos-clock.yaml | 48 +++++++++++++++++++
> MAINTAINERS | 1 +
> 3 files changed, 49 insertions(+), 41 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/clock/exynos5250-clock.txt
> create mode 100644 Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml
>
> diff --git a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt b/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
> deleted file mode 100644
> index aff266a12eeb..000000000000
> --- a/Documentation/devicetree/bindings/clock/exynos5250-clock.txt
> +++ /dev/null
> @@ -1,41 +0,0 @@
> -* Samsung Exynos5250 Clock Controller
> -
> -The Exynos5250 clock controller generates and supplies clock to various
> -controllers within the Exynos5250 SoC.
> -
> -Required Properties:
> -
> -- compatible: should be one of the following.
> - - "samsung,exynos5250-clock" - controller compatible with Exynos5250 SoC.
> -
> -- reg: physical base address of the controller and length of memory mapped
> - region.
> -
> -- #clock-cells: should be 1.
> -
> -Each clock is assigned an identifier and client nodes can use this identifier
> -to specify the clock which they consume.
> -
> -All available clocks are defined as preprocessor macros in
> -dt-bindings/clock/exynos5250.h header and can be used in device
> -tree sources.
> -
> -Example 1: An example of a clock controller node is listed below.
> -
> - clock: clock-controller@...10000 {
> - compatible = "samsung,exynos5250-clock";
> - reg = <0x10010000 0x30000>;
> - #clock-cells = <1>;
> - };
> -
> -Example 2: UART 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.
> -
> - serial@...20000 {
> - compatible = "samsung,exynos4210-uart";
> - reg = <0x13820000 0x100>;
> - interrupts = <0 54 0>;
> - clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
> - clock-names = "uart", "clk_uart_baud0";
> - };
> diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml
> new file mode 100644
> index 000000000000..cd6567bd8cc7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/samsung,exynos-clock.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Samsung Exynos SoC clock controller
> +
> +maintainers:
> + - Chanwoo Choi <cw00.choi@...sung.com>
> + - Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
> + - Sylwester Nawrocki <s.nawrocki@...sung.com>
> + - Tomasz Figa <tomasz.figa@...il.com>
> +
> +description: |
> + All available clocks are defined as preprocessor macros in
> + dt-bindings/clock/ headers.
> +
> +properties:
> + compatible:
> + const: samsung,exynos5250-clock
> +
> + assigned-clocks: true
> + assigned-clock-parents: true
> + assigned-clock-rates: true
> + clocks: true
> +
> + "#clock-cells":
> + const: 1
> +
> + reg:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - "#clock-cells"
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/exynos5250.h>
> + clock: clock-controller@...10000 {
> + compatible = "samsung,exynos5250-clock";
> + reg = <0x10010000 0x30000>;
> + #clock-cells = <1>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 36aee8517ab0..2dbacacac3f5 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -16491,6 +16491,7 @@ L: linux-samsung-soc@...r.kernel.org
> S: Supported
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk.git
> F: Documentation/devicetree/bindings/clock/exynos*.txt
Are there any exynos*.txt bindings actually left after this series? If
no, maybe it's worth to remove this line while at it.
> +F: Documentation/devicetree/bindings/clock/samsung,*.yaml
> F: Documentation/devicetree/bindings/clock/samsung,s3c*
> F: Documentation/devicetree/bindings/clock/samsung,s5p*
> F: drivers/clk/samsung/
> --
> 2.30.2
>
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