From patchwork Tue Aug 18 03:34:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11719823 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 A40F314E3 for ; Tue, 18 Aug 2020 03:42:30 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 7992B20706 for ; Tue, 18 Aug 2020 03:42:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="zpzNljBe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7992B20706 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=hnAFzCv1AAWEGVxORpuhyiSzEAX4/TcoQnEkKvOcZqs=; b=zpzNljBeZ9XtwQVEAY6K9nuCkO CKAGxNrPfRoAQx/3kAGMQFcU4xsaMFChAhIf724K+5LfZMqOnOO/G58bsCYpdo9VtJiJj2V8LU/T+ jHIJoBRsvZL79pqNeO1SuR0mWijYNhMx9H8CiIihFrJY6KozqseUT4sWZb32+k29BKewk1r8Wn4/h JDffHMcYYaiPXsfd+yl8TcZSSl695TOFkNjlQfZAJlq8xPzzIFCPw5YjiyJvxKiGoj+wggotI4eOU 9OEA2pLVylyG6fPO/3gF+Ia68sq6XJTQB5cXup31AxSvSojEHqQMVakAtuQ0LBwyIii9CgzzCvo3s 7+3ZzFWQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k7sU8-0004ei-KF; Tue, 18 Aug 2020 03:40:28 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k7sTv-0004ag-4o for linux-arm-kernel@lists.infradead.org; Tue, 18 Aug 2020 03:40:19 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 4AC772016E6; Tue, 18 Aug 2020 05:40:14 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 437C82016E5; Tue, 18 Aug 2020 05:40:08 +0200 (CEST) Received: from 10.192.242.69 (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 6E8E4402E1; Tue, 18 Aug 2020 05:39:59 +0200 (CEST) From: Anson Huang To: mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, gregkh@linuxfoundation.org, fugang.duan@nxp.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH V3 5/5] dt-bindings: serial: Convert NXP lpuart to json-schema Date: Tue, 18 Aug 2020 11:34:45 +0800 Message-Id: <1597721685-9280-5-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1597721685-9280-1-git-send-email-Anson.Huang@nxp.com> References: <1597721685-9280-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200817_234015_439547_1E1CD2E7 X-CRM114-Status: GOOD ( 17.59 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [92.121.34.21 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux-imx@nxp.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Convert the NXP lpuart binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- changes since V2: - update maintainer, the original owner's email address is no longer valid, use one of the patch contributors as well as NXP's UART owner as maintainer. --- .../devicetree/bindings/serial/fsl-lpuart.txt | 43 ------------ .../devicetree/bindings/serial/fsl-lpuart.yaml | 79 ++++++++++++++++++++++ 2 files changed, 79 insertions(+), 43 deletions(-) delete mode 100644 Documentation/devicetree/bindings/serial/fsl-lpuart.txt create mode 100644 Documentation/devicetree/bindings/serial/fsl-lpuart.yaml diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt deleted file mode 100644 index e7448b9..0000000 --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt +++ /dev/null @@ -1,43 +0,0 @@ -* Freescale low power universal asynchronous receiver/transmitter (lpuart) - -Required properties: -- compatible : - - "fsl,vf610-lpuart" for lpuart compatible with the one integrated - on Vybrid vf610 SoC with 8-bit register organization - - "fsl,ls1021a-lpuart" for lpuart compatible with the one integrated - on LS1021A SoC with 32-bit big-endian register organization - - "fsl,ls1028a-lpuart" for lpuart compatible with the one integrated - on LS1028A SoC with 32-bit little-endian register organization - - "fsl,imx7ulp-lpuart" for lpuart compatible with the one integrated - on i.MX7ULP SoC with 32-bit little-endian register organization - - "fsl,imx8qxp-lpuart" for lpuart compatible with the one integrated - on i.MX8QXP SoC with 32-bit little-endian register organization - - "fsl,imx8qm-lpuart" for lpuart compatible with the one integrated - on i.MX8QM SoC with 32-bit little-endian register organization -- reg : Address and length of the register set for the device -- interrupts : Should contain uart interrupt -- clocks : phandle + clock specifier pairs, one for each entry in clock-names -- clock-names : For vf610/ls1021a/ls1028a/imx7ulp, "ipg" clock is for uart - bus/baud clock. For imx8qxp lpuart, "ipg" clock is bus clock that is used - to access lpuart controller registers, it also requires "baud" clock for - module to receive/transmit data. - -Optional properties: -- dmas: A list of two dma specifiers, one for each entry in dma-names. -- dma-names: should contain "tx" and "rx". -- rs485-rts-active-low, linux,rs485-enabled-at-boot-time: see rs485.txt - -Note: Optional properties for DMA support. Write them both or both not. - -Example: - -uart0: serial@40027000 { - compatible = "fsl,vf610-lpuart"; - reg = <0x40027000 0x1000>; - interrupts = <0 61 0x00>; - clocks = <&clks VF610_CLK_UART0>; - clock-names = "ipg"; - dmas = <&edma0 0 2>, - <&edma0 0 3>; - dma-names = "rx","tx"; - }; diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml new file mode 100644 index 0000000..e82c2cf --- /dev/null +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/fsl-lpuart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale low power universal asynchronous receiver/transmitter (lpuart) + +maintainers: + - Fugang Duan + +allOf: + - $ref: "rs485.yaml" + +properties: + compatible: + enum: + - fsl,vf610-lpuart + - fsl,ls1021a-lpuart + - fsl,ls1028a-lpuart + - fsl,imx7ulp-lpuart + - fsl,imx8qxp-lpuart + - fsl,imx8qm-lpuart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: ipg clock + - description: baud clock + minItems: 1 + maxItems: 2 + + clock-names: + items: + - const: ipg + - const: baud + minItems: 1 + maxItems: 2 + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: + items: + - const: rx + - const: tx + + rs485-rts-active-low: true + linux,rs485-enabled-at-boot-time: true + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + + serial@40027000 { + compatible = "fsl,vf610-lpuart"; + reg = <0x40027000 0x1000>; + interrupts = <0 61 0x00>; + clocks = <&clks VF610_CLK_UART0>; + clock-names = "ipg"; + dmas = <&edma0 0 2>, <&edma0 0 3>; + dma-names = "rx","tx"; + };