From patchwork Fri Oct 4 15:14:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11174893 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C51D7112B for ; Fri, 4 Oct 2019 15:14:35 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ADBF5222C4 for ; Fri, 4 Oct 2019 15:14:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADBF5222C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 07D5A6EBC7; Fri, 4 Oct 2019 15:14:35 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 958666EBC7 for ; Fri, 4 Oct 2019 15:14:34 +0000 (UTC) Received: from localhost.localdomain (unknown [194.230.155.145]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A4B08207FF; Fri, 4 Oct 2019 15:14:30 +0000 (UTC) From: Krzysztof Kozlowski To: Kukjin Kim , Krzysztof Kozlowski , Rob Herring , Mark Rutland , David Airlie , Daniel Vetter , Lee Jones , Greg Kroah-Hartman , Maciej Falkowski , Marek Szyprowski , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-serial@vger.kernel.org Subject: [PATCH 3/3] dt-bindings: serial: Convert Samsung UART bindings to json-schema Date: Fri, 4 Oct 2019 17:14:14 +0200 Message-Id: <20191004151414.8458-3-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191004151414.8458-1-krzk@kernel.org> References: <20191004151414.8458-1-krzk@kernel.org> X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570202074; bh=jGn2GriHknRcM7VEKcN/Vhe/Y3uO7QORd6PlkeTX3q4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=biAfqQM7ksmdl6mE9+E6iqLHtsiTP7ck7fq/ivIpyTTedBKFP9Se204xAqgDrwbNI jc/1GqGw5vGRFIzak0OnN/rnzhz6AFddTd+72tYCbnN6dVR/AbLTFaWYf8vf09giWG l5YRnMkEZuVKfYWfVWLpMBAoiP24ZYbX7xMUR79c= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Convert Samsung S3C/S5P/Exynos Serial/UART bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski --- .../bindings/mfd/samsung,exynos5433-lpass.txt | 2 +- .../bindings/serial/samsung_uart.txt | 58 ------- .../bindings/serial/samsung_uart.yaml | 148 ++++++++++++++++++ 3 files changed, 149 insertions(+), 59 deletions(-) delete mode 100644 Documentation/devicetree/bindings/serial/samsung_uart.txt create mode 100644 Documentation/devicetree/bindings/serial/samsung_uart.yaml diff --git a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt index d759da606f75..30ea27c3936d 100644 --- a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt +++ b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt @@ -18,7 +18,7 @@ an optional sub-node. For "samsung,exynos5433-lpass" compatible this includes: UART, SLIMBUS, PCM, I2S, DMAC, Timers 0...4, VIC, WDT 0...1 devices. Bindings of the sub-nodes are described in: - ../serial/samsung_uart.txt + ../serial/samsung_uart.yaml ../sound/samsung-i2s.txt ../dma/arm-pl330.txt diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.txt b/Documentation/devicetree/bindings/serial/samsung_uart.txt deleted file mode 100644 index e85f37ec33f0..000000000000 --- a/Documentation/devicetree/bindings/serial/samsung_uart.txt +++ /dev/null @@ -1,58 +0,0 @@ -* Samsung's UART Controller - -The Samsung's UART controller is used for interfacing SoC with serial -communicaion devices. - -Required properties: -- compatible: should be one of following: - - "samsung,exynos4210-uart" - Exynos4210 SoC, - - "samsung,s3c2410-uart" - compatible with ports present on S3C2410 SoC, - - "samsung,s3c2412-uart" - compatible with ports present on S3C2412 SoC, - - "samsung,s3c2440-uart" - compatible with ports present on S3C2440 SoC, - - "samsung,s3c6400-uart" - compatible with ports present on S3C6400 SoC, - - "samsung,s5pv210-uart" - compatible with ports present on S5PV210 SoC. - -- reg: base physical address of the controller and length of memory mapped - region. - -- interrupts: a single interrupt signal to SoC interrupt controller, - according to interrupt bindings documentation [1]. - -- clock-names: input names of clocks used by the controller: - - "uart" - controller bus clock, - - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...), - according to SoC User's Manual (only N = 0 is allowedfor SoCs without - internal baud clock mux). -- clocks: phandles and specifiers for all clocks specified in "clock-names" - property, in the same order, according to clock bindings documentation [2]. - -[1] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt -[2] Documentation/devicetree/bindings/clock/clock-bindings.txt - -Optional properties: -- samsung,uart-fifosize: The fifo size supported by the UART channel - -Note: Each Samsung UART should have an alias correctly numbered in the -"aliases" node, according to serialN format, where N is the port number -(non-negative decimal integer) as specified by User's Manual of respective -SoC. - -Example: - aliases { - serial0 = &uart0; - serial1 = &uart1; - serial2 = &uart2; - }; - -Example: - uart1: serial@7f005400 { - compatible = "samsung,s3c6400-uart"; - reg = <0x7f005400 0x100>; - interrupt-parent = <&vic1>; - interrupts = <6>; - clock-names = "uart", "clk_uart_baud2", - "clk_uart_baud3"; - clocks = <&clocks PCLK_UART1>, <&clocks PCLK_UART1>, - <&clocks SCLK_UART>; - samsung,uart-fifosize = <16>; - }; diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml new file mode 100644 index 000000000000..276bea1c231a --- /dev/null +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml @@ -0,0 +1,148 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/samsung_uart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3C, S5P and Exynos SoC UART Controller + +maintainers: + - Krzysztof Kozlowski + - Greg Kroah-Hartman + +description: |+ + Each Samsung UART should have an alias correctly numbered in the "aliases" + node, according to serialN format, where N is the port number (non-negative + decimal integer) as specified by User's Manual of respective SoC. + +properties: + compatible: + items: + - enum: + - samsung,s3c2410-uart + - samsung,s3c2412-uart + - samsung,s3c2440-uart + - samsung,s3c6400-uart + - samsung,s5pv210-uart + - samsung,exynos4210-uart + + reg: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 5 + + clock-names: + description: | + List of clock names: + - "uart" - controller bus clock, + - "clk_uart_baudN" - Nth baud base clock input (N = 0, 1, ...). + N = 0 is allowed for SoCs without internal baud clock mux. + minItems: 2 + maxItems: 5 + allOf: + - uniqueItems: true + - oneOf: + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + - pattern: '^clk_uart_baud[0-3]$' + + interrupts: + minItems: 1 + maxItems: 2 + + samsung,uart-fifosize: + description: The fifo size supported by the UART channel + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [16, 64, 256] + +required: + - compatible + - clocks + - clock-names + - interrupts + - reg + +allOf: + - if: + properties: + compatible: + contains: + enum: + - samsung,s3c2410-uart + - samsung,s5pv210-uart + then: + properties: + clocks: + minItems: 2 + maxItems: 3 + clock-names: + minItems: 2 + maxItems: 3 + allOf: + - uniqueItems: true + - oneOf: + - items: + - const: uart + - pattern: '^clk_uart_baud[0-1]$' + - items: + - const: uart + - pattern: '^clk_uart_baud[0-1]$' + - pattern: '^clk_uart_baud[0-1]$' + + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos4210-uart + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + minItems: 2 + maxItems: 2 + allOf: + - uniqueItems: true + - items: + - const: uart + - const: clk_uart_baud0 + +examples: + - | + #include + + aliases { + serial0 = &uart0; + }; + + 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 = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>, + <&clocks SCLK_UART>; + samsung,uart-fifosize = <16>; + };