From patchwork Wed Aug 5 04:54:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11701313 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 737B813B1 for ; Wed, 5 Aug 2020 04:59:28 +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 54882207FC for ; Wed, 5 Aug 2020 04:59:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uns5lBdA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 54882207FC 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=+WP61ip1mWNJ6nPXxWZsaBF1fKng10yeGJa7WvHo0lc=; b=uns5lBdAF4fLHvUKGm28iI1BEi A87CxpvcZeitiJWOtuw8Q321x+tmLY769WxudYiLmCVI0IfdhweU+A5Yu6PcApqAEg/c+jU+4K8PX +snZbSJyHNf+C+gOJzEXckNXN+y2pVfe4uImcViOuWv7X9U7/RsuRmiq7/XZJFnAagudTsKWZyWQw Cl0DHjIn45zhh7vONL1GvY3XbQf04EP1mIBVedWGU5MKhMhg/KFRqI0vmO4fhbAUpfBNMRZBanQgf Am/F96vtIVTdVEEcZvhAsbBZ/9uZMEGKI5iNbu9fPh+T8bv4nDDKHBLIj8vP74+LclLtCj2BkoTZ6 /m1lk0/Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k3BW5-0000gb-L3; Wed, 05 Aug 2020 04:59:05 +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 1k3BW1-0000f7-Hr for linux-arm-kernel@lists.infradead.org; Wed, 05 Aug 2020 04:59:02 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 6865F2013D5; Wed, 5 Aug 2020 06:59:00 +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 3C7072013E5; Wed, 5 Aug 2020 06:58:55 +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 3E5A9402E5; Wed, 5 Aug 2020 06:58:49 +0200 (CEST) From: Anson Huang To: gregkh@linuxfoundation.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, galak@codeaurora.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] dt-bindings: serial: Convert MXS auart to json-schema Date: Wed, 5 Aug 2020 12:54:18 +0800 Message-Id: <1596603259-5367-2-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596603259-5367-1-git-send-email-Anson.Huang@nxp.com> References: <1596603259-5367-1-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-20200805_005901_832567_70EBF7F4 X-CRM114-Status: GOOD ( 17.27 ) 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 MXS auart binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- .../devicetree/bindings/serial/fsl-mxs-auart.txt | 53 ------------ .../devicetree/bindings/serial/fsl-mxs-auart.yaml | 93 ++++++++++++++++++++++ 2 files changed, 93 insertions(+), 53 deletions(-) delete mode 100644 Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt create mode 100644 Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml diff --git a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt deleted file mode 100644 index 5c96d41..0000000 --- a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt +++ /dev/null @@ -1,53 +0,0 @@ -* Freescale MXS Application UART (AUART) - -Required properties for all SoCs: -- compatible : Should be one of fallowing variants: - "fsl,imx23-auart" - Freescale i.MX23 - "fsl,imx28-auart" - Freescale i.MX28 - "alphascale,asm9260-auart" - Alphascale ASM9260 -- reg : Address and length of the register set for the device -- interrupts : Should contain the auart interrupt numbers -- dmas: DMA specifier, consisting of a phandle to DMA controller node - and AUART DMA channel ID. - Refer to dma.txt and fsl-mxs-dma.txt for details. -- dma-names: "rx" for RX channel, "tx" for TX channel. - -Required properties for "alphascale,asm9260-auart": -- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt -- clock-names : should be set to - "mod" - source for tick counter. - "ahb" - ahb gate. - -Optional properties: -- uart-has-rtscts : Indicate the UART has RTS and CTS lines - for hardware flow control, - it also means you enable the DMA support for this UART. -- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD - line respectively. It will use specified PIO instead of the peripheral - function pin for the USART feature. - If unsure, don't specify this property. - -Example: -auart0: serial@8006a000 { - compatible = "fsl,imx28-auart", "fsl,imx23-auart"; - reg = <0x8006a000 0x2000>; - interrupts = <112>; - dmas = <&dma_apbx 8>, <&dma_apbx 9>; - dma-names = "rx", "tx"; - cts-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>; - dsr-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>; - dcd-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; -}; - -Note: Each auart port should have an alias correctly numbered in "aliases" -node. - -Example: - -aliases { - serial0 = &auart0; - serial1 = &auart1; - serial2 = &auart2; - serial3 = &auart3; - serial4 = &auart4; -}; diff --git a/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml new file mode 100644 index 0000000..096ef05 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/fsl-mxs-auart.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/serial/fsl-mxs-auart.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MXS Application UART (AUART) + +maintainers: + - Kumar Gala + +allOf: + - $ref: "serial.yaml" + +properties: + compatible: + enum: + - fsl,imx23-auart + - fsl,imx28-auart + - alphascale,asm9260-auart + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + 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 + + clocks: + items: + - description: mod clock + - description: ahb clock + + clock-names: + items: + - const: mod + - const: ahb + + uart-has-rtscts: true + rts-gpios: true + cts-gpios: true + dtr-gpios: true + dsr-gpios: true + rng-gpios: true + dcd-gpios: true + +if: + properties: + compatible: + contains: + enum: + - alphascale,asm9260-auart +then: + required: + - clocks + - clock-names + +required: + - compatible + - reg + - interrupts + - dmas + - dma-names + +unevaluatedProperties: false + +examples: + - | + #include + + aliases { + serial0 = &auart0; + }; + + auart0: serial@8006a000 { + compatible = "fsl,imx28-auart"; + reg = <0x8006a000 0x2000>; + interrupts = <112>; + dmas = <&dma_apbx 8>, <&dma_apbx 9>; + dma-names = "rx", "tx"; + cts-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>; + dsr-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>; + dcd-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; + };