dt-bindings: clock: samsung,s3c6400-clock: convert to DT Schema

Message ID	20240312185035.720491-1-krzysztof.kozlowski@linaro.org (mailing list archive)
State	Awaiting Upstream, archived
Headers	show Received: from mail-lf1-f54.google.com (mail-lf1-f54.google.com [209.85.167.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 32A881419B0 for <linux-clk@vger.kernel.org>; Tue, 12 Mar 2024 18:50:40 +0000 (UTC) From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Sylwester Nawrocki <s.nawrocki@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Alim Akhtar <alim.akhtar@samsung.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>, Conor Dooley <conor+dt@kernel.org>, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] dt-bindings: clock: samsung,s3c6400-clock: convert to DT Schema Date: Tue, 12 Mar 2024 19:50:35 +0100 Message-Id: <20240312185035.720491-1-krzysztof.kozlowski@linaro.org> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	dt-bindings: clock: samsung,s3c6400-clock: convert to DT Schema \| expand dt-bindings: clock: samsung,s3c6400-clock: convert to DT Schema

diff --git a/Documentation/devicetree/bindings/clock/samsung,s3c6400-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,s3c6400-clock.yaml new file mode 100644 index 000000000000..d0660313c262 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,s3c6400-clock.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,s3c6400-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3C6400 SoC clock controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +description: | + There are several clocks that are generated outside the SoC. It is expected + that they are defined using standard clock bindings with following + clock-output-names: + - "fin_pll" - PLL input clock (xtal/extclk) - required, + - "xusbxti" - USB xtal - required, + - "iiscdclk0" - I2S0 codec clock - optional, + - "iiscdclk1" - I2S1 codec clock - optional, + - "iiscdclk2" - I2S2 codec clock - optional, + - "pcmcdclk0" - PCM0 codec clock - optional, + - "pcmcdclk1" - PCM1 codec clock - optional, only S3C6410. + + All available clocks are defined as preprocessor macros in + include/dt-bindings/clock/samsung,s3c64xx-clock.h header. + +properties: + compatible: + enum: + - samsung,s3c6400-clock + - samsung,s3c6410-clock + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + "#clock-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - "#clock-cells" + +additionalProperties: false + +examples: + - | + clock-controller@7e00f000 { + compatible = "samsung,s3c6410-clock"; + reg = <0x7e00f000 0x1000>; + #clock-cells = <1>; + clocks = <&fin_pll>; + }; diff --git a/Documentation/devicetree/bindings/clock/samsung,s3c64xx-clock.txt b/Documentation/devicetree/bindings/clock/samsung,s3c64xx-clock.txt deleted file mode 100644 index 872ee8e0f041..000000000000 --- a/Documentation/devicetree/bindings/clock/samsung,s3c64xx-clock.txt +++ /dev/null @@ -1,76 +0,0 @@ -* Samsung S3C64xx Clock Controller - -The S3C64xx clock controller generates and supplies clock to various controllers -within the SoC. The clock binding described here is applicable to all SoCs in -the S3C64xx family. - -Required Properties: - -- compatible: should be one of the following. - - "samsung,s3c6400-clock" - controller compatible with S3C6400 SoC. - - "samsung,s3c6410-clock" - controller compatible with S3C6410 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. Some of the clocks are available only -on a particular S3C64xx SoC and this is specified where applicable. - -All available clocks are defined as preprocessor macros in -dt-bindings/clock/samsung,s3c64xx-clock.h header and can be used in device -tree sources. - -External clocks: - -There are several clocks that are generated outside the SoC. It is expected -that they are defined using standard clock bindings with following -clock-output-names: - - "fin_pll" - PLL input clock (xtal/extclk) - required, - - "xusbxti" - USB xtal - required, - - "iiscdclk0" - I2S0 codec clock - optional, - - "iiscdclk1" - I2S1 codec clock - optional, - - "iiscdclk2" - I2S2 codec clock - optional, - - "pcmcdclk0" - PCM0 codec clock - optional, - - "pcmcdclk1" - PCM1 codec clock - optional, only S3C6410. - -Example: Clock controller node: - - clock: clock-controller@7e00f000 { - compatible = "samsung,s3c6410-clock"; - reg = <0x7e00f000 0x1000>; - #clock-cells = <1>; - }; - -Example: Required external clocks: - - fin_pll: clock-fin-pll { - compatible = "fixed-clock"; - clock-output-names = "fin_pll"; - clock-frequency = <12000000>; - #clock-cells = <0>; - }; - - xusbxti: clock-xusbxti { - compatible = "fixed-clock"; - clock-output-names = "xusbxti"; - clock-frequency = <48000000>; - #clock-cells = <0>; - }; - -Example: 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" properties): - - uart0: serial@7f005000 { - compatible = "samsung,s3c6400-uart"; - reg = <0x7f005000 0x100>; - interrupt-parent = <&vic1>; - interrupts = <5>; - clock-names = "uart", "clk_uart_baud2", - "clk_uart_baud3"; - clocks = <&clock PCLK_UART0>, <&clocks PCLK_UART0>, - <&clock SCLK_UART>; - };

dt-bindings: clock: samsung,s3c6400-clock: convert to DT Schema

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