From patchwork Sat Jul 20 06:41:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 11050803 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B0103112C for ; Sat, 20 Jul 2019 06:42:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A41B289A2 for ; Sat, 20 Jul 2019 06:42:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8AF98289A7; Sat, 20 Jul 2019 06:42:35 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 171EF289A2 for ; Sat, 20 Jul 2019 06:42:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=eJC6+vB5xDBPQofq5A/m1i5zr3QB2m+LlCkfyRrbqYY=; b=EBNLO5TYB7kB22 qEKUTQJRH5+kSBr9FUGc1fCfo0sKKqLsfTSsoD0l34pdGYonTJWsxGdB9jmjYTWsS/RtC+r32q+ZV nf/ilLaz1o85PhMgUOOMSun2optipG4q4nYu/Z2J+o8FNwyNJ5bvXTfl7wAtZi3HCSbtB+rHGXNvP +Pn9CvOAD/45U1WmBHnEkHj/b48fzws8AV5djWK6uPMGadT16MjwKDHw3acQF9XNmcn0/ErbRK5sA gIh07YuSnltfTh6UpL9ybGKV1t3eZrFxjyxx/5fwLITHHAkDpgyn6SR3B1lClph38+g8suON6qIB5 hQLo7HCPs+lTUzV+2esQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hoj4j-00010k-Ty; Sat, 20 Jul 2019 06:42:34 +0000 Received: from merlin.infradead.org ([2001:8b0:10b:1231::1]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hoj4H-0000ms-F7 for linux-arm-kernel@bombadil.infradead.org; Sat, 20 Jul 2019 06:42:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=pr38ztlX4t7nzQsxuMuk7E+5DT6cBdsfuehrmWOl2PA=; b=gT0srbFdhjtyTuNdmBeTXeB90n t51VtydB7o/Lxouqr7Pg8nSskeuKKFYlnMSxoXYU8D8+5+KFfwZrR0Mhi2X0VdQ6IuqvYyOKZOZuD os3bdi5fR8GyHwQLZEk4kI/E1UJcXlQhq4eAqysH9wEyXMpXR/OkhKOd4zpJA8+oL7AFs4s6iEi2A V2O2nil59jyvc5hT9sVsJzjiI+btsuL/PFBISnIDGe/q0JJzGDnac/ESloD5CvQBIeZ7pBCa/GV81 62mAVkMYGiA+r6eRS9J5EcTVCsEOxazcOLQpkuILj+jj7EYYoCcF5jbuLH6KuQ8lB+a1NhgP3yX2H 7Uj+3Xeg==; Received: from relay12.mail.gandi.net ([217.70.178.232]) by merlin.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hoj4E-0006xV-4Q for linux-arm-kernel@lists.infradead.org; Sat, 20 Jul 2019 06:42:03 +0000 Received: from localhost (91-163-65-175.subs.proxad.net [91.163.65.175]) (Authenticated sender: maxime.ripard@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 179C7200007; Sat, 20 Jul 2019 06:41:28 +0000 (UTC) From: Maxime Ripard To: Mark Rutland , Rob Herring , Frank Rowand , Vinod Koul Subject: [PATCH 2/3] dt-bindings: dma: Convert Allwinner A10 DMA to a schema Date: Sat, 20 Jul 2019 08:41:22 +0200 Message-Id: <20190720064123.15411-2-maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190720064123.15411-1-maxime.ripard@bootlin.com> References: <20190720064123.15411-1-maxime.ripard@bootlin.com> MIME-Version: 1.0 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: devicetree@vger.kernel.org, Rob Herring , Maxime Ripard , Peter Ujfalusi , Chen-Yu Tsai , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The older Allwinner SoCs have a DMA controller supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Reviewed-by: Rob Herring Signed-off-by: Maxime Ripard --- .../bindings/dma/allwinner,sun4i-a10-dma.yaml | 55 +++++++++++++++++++ .../devicetree/bindings/dma/sun4i-dma.txt | 45 --------------- 2 files changed, 55 insertions(+), 45 deletions(-) create mode 100644 Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml delete mode 100644 Documentation/devicetree/bindings/dma/sun4i-dma.txt diff --git a/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml b/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml new file mode 100644 index 000000000000..15abc0f9429f --- /dev/null +++ b/Documentation/devicetree/bindings/dma/allwinner,sun4i-a10-dma.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/allwinner,sun4i-a10-dma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 DMA Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + "#dma-cells": + const: 2 + description: + The first cell is either 0 or 1, the former to use the normal + DMA, 1 for dedicated DMA. The second cell is the request line + number. + + compatible: + const: allwinner,sun4i-a10-dma + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - "#dma-cells" + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + dma: dma-controller@1c02000 { + compatible = "allwinner,sun4i-a10-dma"; + reg = <0x01c02000 0x1000>; + interrupts = <27>; + clocks = <&ahb_gates 6>; + #dma-cells = <2>; + }; + +... diff --git a/Documentation/devicetree/bindings/dma/sun4i-dma.txt b/Documentation/devicetree/bindings/dma/sun4i-dma.txt deleted file mode 100644 index 8ad556aca70b..000000000000 --- a/Documentation/devicetree/bindings/dma/sun4i-dma.txt +++ /dev/null @@ -1,45 +0,0 @@ -Allwinner A10 DMA Controller - -This driver follows the generic DMA bindings defined in dma.txt. - -Required properties: - -- compatible: Must be "allwinner,sun4i-a10-dma" -- reg: Should contain the registers base address and length -- interrupts: Should contain a reference to the interrupt used by this device -- clocks: Should contain a reference to the parent AHB clock -- #dma-cells : Should be 2, first cell denoting normal or dedicated dma, - second cell holding the request line number. - -Example: - dma: dma-controller@1c02000 { - compatible = "allwinner,sun4i-a10-dma"; - reg = <0x01c02000 0x1000>; - interrupts = <27>; - clocks = <&ahb_gates 6>; - #dma-cells = <2>; - }; - -Clients: - -DMA clients connected to the Allwinner A10 DMA controller must use the -format described in the dma.txt file, using a three-cell specifier for -each channel: a phandle plus two integer cells. -The three cells in order are: - -1. A phandle pointing to the DMA controller. -2. Whether it is using normal (0) or dedicated (1) channels -3. The port ID as specified in the datasheet - -Example: - spi2: spi@1c17000 { - compatible = "allwinner,sun4i-a10-spi"; - reg = <0x01c17000 0x1000>; - interrupts = <0 12 4>; - clocks = <&ahb_gates 22>, <&spi2_clk>; - clock-names = "ahb", "mod"; - dmas = <&dma 1 29>, <&dma 1 28>; - dma-names = "rx", "tx"; - #address-cells = <1>; - #size-cells = <0>; - };