From patchwork Tue Oct 1 04:23:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yao Zi X-Patchwork-Id: 13817433 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 1AE3DCEB2F0 for ; Tue, 1 Oct 2024 04:30:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Wwzz5SGRwR3fL2H+xpRh6Cl77AFcZ9hjNQu0GOJVI5w=; b=rtINxMmC7C3uNdbdpa+azXxaTK mtpLRHkAbZrXdyUDtCZMwBS76hNFuHp2QmU/lSnKYTmsGgAZ/rQswrg8EOTbRCVlxhmfRzU1Hq9lX 7LdQVwllBnWJkzy1b8A8XV2WgPG8slgda/2TXAOqdXV/hGsZvFtn7CS2zDlPciubumyHJOt2DLnLr jUAEDdyaSPrbMHLHjdxn4ZdCGfPNcdYXr0X93MUGBZET8/Z6eZx6AzaLGiH8o2O888yKaZRWbII6+ 7YnyBCgQiMXxnN4dxMKZjMYoBTgjOn7uGR2Ck19n4DZfCQO3WZL2OwDb2oCxH+Anzj5omEPmrUSpk 9yrikWXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1svUX1-00000001ZG8-0cLy; Tue, 01 Oct 2024 04:30:39 +0000 Received: from layka.disroot.org ([178.21.23.139]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1svUSJ-00000001YOd-0Lz1; Tue, 01 Oct 2024 04:25:48 +0000 Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id E3B8023DA2; Tue, 1 Oct 2024 06:25:45 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 1GZLnuBHkKf2; Tue, 1 Oct 2024 06:25:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1727756745; bh=5MrQbBokfZMOsLxeFgXKXqngGLTWAVulicUDVAiD3dc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ZLb3Hg5JpYgyHICNo8PHo4FdgSJ1G15e47gYb5CK8D2WLjhQ5T/fw6PIa1TmdV9SM 8eq+uFmPbLAqquCYQoXg+fLbNlKvgQcuUcW2DTiDRvvsDDKJy0Gj/Ei9O/G7r8eikk QcV0pCNdKtAN8Qfc7yJf6LPleddthpbxyOotK/QQx3yFtKKSpygBMYGK3+LrZXnfXY ItcZlTAkQ04tyU1JYY+2F4u7fJS6wCzJwpfHdmUr5rzpxbGZY58g8pExdOR1yQoLk6 VOOKD62hErQXD6SEwCznQCFi1hnBMIaSV5gnNjF0pTa5LoCdOazF1MmfU+sxZAt3v7 xcB56LadeQYQQ== From: Yao Zi To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Philipp Zabel Cc: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Celeste Liu , Yao Zi Subject: [PATCH 3/8] dt-bindings: clock: Add rockchip,rk3528-cru Date: Tue, 1 Oct 2024 04:23:57 +0000 Message-ID: <20241001042401.31903-5-ziyao@disroot.org> In-Reply-To: <20241001042401.31903-2-ziyao@disroot.org> References: <20241001042401.31903-2-ziyao@disroot.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240930_212547_276778_832E9897 X-CRM114-Status: GOOD ( 11.70 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Document Rockchip RK3528 clock and reset unit. Signed-off-by: Yao Zi --- .../bindings/clock/rockchip,rk3528-cru.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml new file mode 100644 index 000000000000..ae51dfde5bb9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3528-cru.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/rockchip,rk3528-cru.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip RK3528 Clock and Reset Controller + +maintainers: + - Yao Zi + +description: | + The RK3528 clock controller generates the clock and also implements a reset + controller for SoC peripherals. For example, it provides SCLK_UART0 and + PCLK_UART0 as well as SRST_P_UART0 and SRST_S_UART0 for the first UART + module. + Each clock is assigned an identifier, consumer nodes can use it to specify + the clock. All available clock and reset IDs are defined in dt-binding + headers. + +properties: + compatible: + enum: + - rockchip,rk3528-cru + + reg: + maxItems: 1 + + assigned-clocks: true + + assigned-clock-rates: true + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: xin24m + - const: phy_50m_out + + "#clock-cells": + const: 1 + + "#reset-cells": + const: 1 + +required: + - compatible + - reg + - "#clock-cells" + - "#reset-cells" + +additionalProperties: false + +examples: + - | + cru: clock-controller@ff4a0000 { + compatible = "rockchip,rk3528-cru"; + reg = <0xff4a0000 0x30000>; + #clock-cells = <1>; + #reset-cells = <1>; + };