From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 76F1CC5CFDB for ; Thu, 13 Aug 2026 09:57:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=uLoojX40mcr5B+3xG4fUqCnkEz3kAjFhFE0JT64UF08=; b=sVvAcNujyoJ/9Y9/f7yKofmt6J 4ZqET64bS5nKTii6K+9nl3wdyAXAwe4pitw79zlZ/x5ceQAsl1NXQIjjbIWB1wozmBLvYMa8tnfBw QINNK/929weLuno7gaQDp4DMMAke5BZnLV1Yz4VSx1OeKyYOznW69b/vV518lf/vENjwES3A9XGN2 /CliFPcvdm+bAOEC9WllEDbk+RsZE/BgkWjE/pPH4PDrafT4jrQFR3/lZBsjUeMI6Q8Xn/HDTkuhD xBWrBeeOJzFQ+DBrYOXBCA+DRDaT3hGNKGUfjO+sF/vwYQOXtD6yQJLKbXm1PrYVVBN7Dw69Vxv1w gzMn29rA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuSBU-00000000OU5-1gPv; Thu, 13 Aug 2026 09:57:12 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuSBT-00000000OT0-3Fs9 for linux-arm-kernel@lists.infradead.org; Thu, 13 Aug 2026 09:57:11 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6FD684400D; Thu, 13 Aug 2026 09:57:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 4401EC2BD00; Thu, 13 Aug 2026 09:57:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1786615031; bh=aSJA2EFPPGSpWartqH3BCX1f9nWW1yxSp86dYBj9s5Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=V8JWG0Y0KojYzOxwRMG6MZ025QkxS735fGNL5QXosSI2xZ6R1y4Mdp2vsZWqTxQHk smclbAPj6LrDhkH0mKoEtADGne9yk0KR1x0P+kUe4bPfQp2PkmM6i98k9d6iqU6jEr LcoScTKEghnKXBxRibr5vJ8Z4n6YS2Fjo2dHNqC8qp9GdajINWahzn4Mub7b0PuyG5 WpfhCha0/w28MqVuF+dE5rwWJIUwtDJoJeB5/V6PelS6QmcO0avdfMRPHS6cKSgC9f b9c12QVgIPIFchodsVwCrV3XZ8PylcZjltauI4Ff082fDBzNHD+lunb1w7iAY8HFWs bRbw0/gbM3Gfw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26980C5CFEB; Thu, 13 Aug 2026 09:57:11 +0000 (UTC) From: Long Zhao via B4 Relay Date: Thu, 13 Aug 2026 17:56:14 +0800 Subject: [PATCH v3 3/6] dt-bindings: clock: add Ambarella CV75 RCT MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260813-cv75-v3-a-v3-3-cfdd20b1b4dd@ambarella.com> References: <20260813-cv75-v3-a-v3-0-cfdd20b1b4dd@ambarella.com> In-Reply-To: <20260813-cv75-v3-a-v3-0-cfdd20b1b4dd@ambarella.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Catalin Marinas , Will Deacon , Arnd Bergmann , Alexandre Belloni , Linus Walleij Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, soc@lists.linux.dev, Long Zhao X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786615029; l=2647; i=longzhao@ambarella.com; s=20260730; h=from:subject:message-id; bh=10b0bj80z69iNUeJ6xkO89WqeEirl990xJjncrVar6c=; b=+GveRNOHVJLxmO9iIuPI3qFB0pTqkG5nwUdiEvMgndDcqyay0kVz+JdAUZ0qITu6saweL9DhR soPCPX6RkO5AELmdzD2aofvSI3Ngnrz+3gAG6/Fo93PjB/0J6jQfOb7 X-Developer-Key: i=longzhao@ambarella.com; a=ed25519; pk=/xGhPTOX0/eYsyTWzyjjgAIW1Z/YD+IlnOnvcdRozow= X-Endpoint-Received: by B4 Relay for longzhao@ambarella.com/20260730 with auth_id=903 X-Original-From: Long Zhao X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: longzhao@ambarella.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Long Zhao Document the CV75 RCT clock controller and the clock ID header used by DT consumers. Signed-off-by: Long Zhao --- .../bindings/clock/ambarella,cv75-rct.yaml | 58 ++++++++++++++++++++++ include/dt-bindings/clock/ambarella,cv75-rct.h | 15 ++++++ 2 files changed, 73 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/ambarella,cv75-rct.yaml b/Documentation/devicetree/bindings/clock/ambarella,cv75-rct.yaml new file mode 100644 index 000000000000..eb5956fc32bc --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ambarella,cv75-rct.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/ambarella,cv75-rct.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ambarella CV75 RCT Clock Controller + +maintainers: + - Long Zhao + +description: | + The RCT (Reset and Clock Tree) block on the Ambarella CV75 SoC provides + PLLs, clock muxes and dividers for on-chip peripherals. + + The same register region is also exposed as a syscon for other SoC + blocks (e.g. pin drive-strength), hence the "syscon" compatible. + + Clock indices are defined in include/dt-bindings/clock/ambarella,cv75-rct.h. + +properties: + + compatible: + items: + - const: ambarella,cv75-rct + - const: syscon + + reg: + maxItems: 1 + + clocks: + description: Reference crystal oscillator (typically 24 MHz) + maxItems: 1 + + clock-names: + const: osc + + "#clock-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - "#clock-cells" + +additionalProperties: false + +examples: + - | + clock-controller@ed080000 { + compatible = "ambarella,cv75-rct", "syscon"; + reg = <0xed080000 0x1000>; + clocks = <&osc>; + clock-names = "osc"; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/ambarella,cv75-rct.h b/include/dt-bindings/clock/ambarella,cv75-rct.h new file mode 100644 index 000000000000..0a6e946c9108 --- /dev/null +++ b/include/dt-bindings/clock/ambarella,cv75-rct.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +/* + * Copyright (C) 2026 Ambarella, Inc. + */ + +#ifndef _DT_BINDINGS_CLOCK_AMBARELLA_CV75_RCT_H +#define _DT_BINDINGS_CLOCK_AMBARELLA_CV75_RCT_H + +/* Boot / bus clocks */ +#define CV75_GCLK_UART0 0 +#define CV75_GCLK_CORE 1 +#define CV75_GCLK_AHB 2 +#define CV75_GCLK_APB 3 + +#endif -- 2.34.1