From patchwork Sun May 8 19:43:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Patchwork-Id: 12842722 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6546C35278 for ; Sun, 8 May 2022 19:44:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231654AbiEHTsP (ORCPT ); Sun, 8 May 2022 15:48:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231340AbiEHTsN (ORCPT ); Sun, 8 May 2022 15:48:13 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA9B8B849; Sun, 8 May 2022 12:44:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1652039032; bh=STTQoU0Sy8AHWtV5pttLaup41ExmdLj7vMbHpMMcIaI=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=YX/rOCUpfUos0952/SYCVcW3WeHHLmrfMa+TpEoqiKWo/5gghjBsirvjryF8uyO1k hl221DfyokbMxUUhatWD2Ur8TSkSgJlYWCqXP6y3TU59UUVvbfBPv6fRqjKQ/Jeogw 2GSuQzWAi/PAgh7bZwFOmVxnIOMFWPe7X4+b/u+s= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([37.201.215.103]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N7QxB-1nrZRd2Fif-017jSc; Sun, 08 May 2022 21:43:52 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-clk@vger.kernel.org, openbmc@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Daniel Lezcano , Thomas Gleixner , Philipp Zabel , Wim Van Sebroeck , Guenter Roeck Subject: [PATCH v3 5/7] ARM: dts: wpcm450: Add clock controller node Date: Sun, 8 May 2022 21:43:30 +0200 Message-Id: <20220508194333.2170161-6-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220508194333.2170161-1-j.neuschaefer@gmx.net> References: <20220508194333.2170161-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:0ezSuU0zJBwh/ZGu333EDA+hPHK33sk6Mj8LKS926qLuWkkV0Lr dlWJ34pFrBPMP+BubdQlge6s8v05g/+Pw8q/DkOblN8fJZJXz6/G+h55hNbBSRoVg5QhuME c96yu2NoB9ByjKLcIk9UWVAlf3xUNrZdS+U7kt13w8l9lH6rxbylF9SfU8+ygCu1iIR94GN EeW6+i0WdHMcl83YXieiw== X-UI-Out-Filterresults: notjunk:1;V03:K0:hBfIvakNOYo=:mxNjkROiVYonEK1pOMv76V AV7jo26iOQybtrajPGVaCxGrHTPgAyZsyu50/u9Mmv4K1driDuNWXBaowvw1FtK8/mzmpBhoD ek9Nq6pzPavd+mUnYrSTtbMQV1ScIKduBP28Fy4Qu4GpS9JPoV/m/hxGwn1wEZ1KTyj9gYO2t mavKGYhY3MnbowCvFso/PyyHDGjChrTjPwl9pnXIpZ4Pwh/e4TG7od9X3Hs0MWrOdZZJ8x6Hp H7CXRX74gqZp4XW/WFCBGjdxKGKS74Qvm1l3qa/yKWjjI14j2saDfR8Y84/OVbmPiexWIhhis hf3djXzT1jG6d5ngB/nQsdoj1Z9rKa73s+AGAjdkYHU7XvaGMvmXMOEZ97dDM6bfQrGn93jv+ gpUkNpSWVMygGr55tm8k64U63O0SvECs8O1K5wXu+b5b/jEDKrLIc+mn9+uMA/SU0EnKW49Zk EqVHNPAmRUVVzAxC8HbChhxIIitk3lQq6rfvYgtuZAnhPbIwEQzAxN2Ib5ZPebbqTJ4LHmC4d dLOJi8sRBEFuP1X6S9zVIVrATxtzeFJHG6mH2xUrmXAf5x2pPBaSjzU9McfoF+lOAnSROtxoC P9BGHAuiHW4iyEtnapDrDCE8M5ThGPAo7qNrHh2grPwhTgsYDPB7zma97V0qzfpmo1wxAtT4M v32a5Cwa+QgGbCo1J5pID+cFDXj40XRQVxvJsZb5e9Xw1tMQLu/DlLWJ0+M30Lv9UlLnW6ys1 dzK0ZpBoYa0jSJgcNhItaXBjEhSAFDv8ZY6wfgkpvz1vvtwPCFoYnMm6/w+GxrTYOq6+cT2SX LNdE3V2AGtV+XiupBIGJBFtSahNzuCCFybs5TjiIF70sBN2bXq2Km3a1sTTkCvhiq2B6aRqo0 vM2YkBjGuGAbW4XbYuQjAfITGIPYxnd/v7Hf3VnWP02TZVRj10k+KQgYqc8Ppn388JlW+N80P nnaKS+A2SWH/82N9jMiGR9DrnMLF1RnSwACB0szJuQ7jIFfeGs38LqQ2sUs7h9T7K7zZaTcJD 8+KITAnYZQ5ck33U0ABcd6j+skb4e+u6zUOurQT7nJoTu/haYTONEYx3WXf3nPdEzW+0ynB9e XadG9D6dDllPFc= Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org This declares the clock controller and the necessary 48 Mhz reference clock in the WPCM450 device. Switching devices over to the clock controller is intentionally done in a separate patch to give time for the clock controller driver to land. Signed-off-by: Jonathan Neuschäfer --- v3: - Change clock-output-names and clock-names from "refclk" to "ref" v2: - https://lore.kernel.org/lkml/20220429172030.398011-6-j.neuschaefer@gmx.net/ - no changes --- arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) -- 2.35.1 diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi index 1c63ab14c4383..515e943787416 100644 --- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi +++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi @@ -39,6 +39,14 @@ clk24m: clock-24mhz { #clock-cells = <0>; }; + refclk: clock-48mhz { + /* 48 MHz reference oscillator */ + compatible = "fixed-clock"; + clock-output-names = "ref"; + clock-frequency = <48000000>; + #clock-cells = <0>; + }; + soc { compatible = "simple-bus"; #address-cells = <1>; @@ -51,6 +59,15 @@ gcr: syscon@b0000000 { reg = <0xb0000000 0x200>; }; + clk: clock-controller@b0000200 { + compatible = "nuvoton,wpcm450-clk"; + reg = <0xb0000200 0x100>; + clocks = <&refclk>; + clock-names = "ref"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + serial0: serial@b8000000 { compatible = "nuvoton,wpcm450-uart"; reg = <0xb8000000 0x20>;