From patchwork Thu Jan 14 17:55:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 12020459 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D09CC433E9 for ; Thu, 14 Jan 2021 17:56:14 +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 C9DA423A57 for ; Thu, 14 Jan 2021 17:56:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9DA423A57 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-i3c-bounces+linux-i3c=archiver.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: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=3QqOthblQfmh9q129Cmiono5+H/O+1NYv9lmfEHn3T4=; b=uRnidSv/7LSlt01ZrfB5T1IE4 g6ceeKiCDBhUKiGbFSndRq/KMP88t3cb5DMHVzlZHenp9peMyN7MGrW4+z/wFqtBdT5qeFtLeCzcx mJpXmfy/JnSE1ABVQdwiemMwKaSAIOB12maPY+zZJpqvMmDIvcQcOZRvk9TzI7USzkuItsaIFIATq 5Tawuapyp2IcxAqaXxGgvFEkiWBmle6mdzS9iRlk5x8D8hH8JOyiTqwBIro/gN7RowShh++jnCL/a dlZWHJO6b7J/foZXG+OyoKX1R8C0tC54bdPnoCN2PApQ+BYt9Gtg05BoQWU2mas9PbRIDdDENndWu 3bYWh3BcQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l06qz-00068x-5W; Thu, 14 Jan 2021 17:56:13 +0000 Received: from relay9-d.mail.gandi.net ([217.70.183.199]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l06qu-00066J-1U for linux-i3c@lists.infradead.org; Thu, 14 Jan 2021 17:56:10 +0000 X-Originating-IP: 86.201.233.230 Received: from localhost.localdomain (lfbn-tou-1-151-230.w86-201.abo.wanadoo.fr [86.201.233.230]) (Authenticated sender: miquel.raynal@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id 50D73FF814; Thu, 14 Jan 2021 17:56:06 +0000 (UTC) From: Miquel Raynal To: Rob Herring , , Alexandre Belloni , linux-i3c@lists.infradead.org Subject: [PATCH v4 4/6] dt-bindings: i3c: Describe Silvaco master binding Date: Thu, 14 Jan 2021 18:55:56 +0100 Message-Id: <20210114175558.17097-5-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210114175558.17097-1-miquel.raynal@bootlin.com> References: <20210114175558.17097-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210114_125608_235630_66BE15F4 X-CRM114-Status: GOOD ( 10.20 ) X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Miquel Raynal , Rajeev Huralikoppi , Conor Culhane , Thomas Petazzoni , Nicolas Pitre Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org Silvaco provide a dual-role I3C master. Description is rather simple: it needs a register mapping, three clocks and an interrupt. Signed-off-by: Miquel Raynal Reviewed-by: Rob Herring --- .../bindings/i3c/silvaco,i3c-master.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml diff --git a/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml new file mode 100644 index 000000000000..adb5165505aa --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/silvaco,i3c-master.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i3c/silvaco,i3c-master.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Silvaco I3C master + +maintainers: + - Conor Culhane + +allOf: + - $ref: "i3c.yaml#" + +properties: + compatible: + const: silvaco,i3c-master-v1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: system clock + - description: bus clock + - description: other (slower) events clock + + clock-names: + items: + - const: pclk + - const: fast_clk + - const: slow_clk + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clock-names + - clocks + +additionalProperties: true + +examples: + - | + i3c-master@a0000000 { + compatible = "silvaco,i3c-master"; + clocks = <&zynqmp_clk 71>, <&fclk>, <&sclk>; + clock-names = "pclk", "fast_clk", "slow_clk"; + interrupt-parent = <&gic>; + interrupts = <0 89 4>; + reg = <0xa0000000 0x1000>; + #address-cells = <3>; + #size-cells = <0>; + };