From patchwork Sat Jul 17 12:38:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 12383597 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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 3C6A5C636C9 for ; Sat, 17 Jul 2021 12:41:25 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 078B4611C1 for ; Sat, 17 Jul 2021 12:41:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 078B4611C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=G/QINrvfOJ6SScJ0d+UPMpCISZuTa5wtDUu66SkheVg=; b=uItrksyfGHLyGb ObqkMlodcVNsZZxZEHQlCzB0QlYh3JucKebBrZftfx0BgpXbRl4Qih6mVCb8VWC4qt914dbh1d4RY YEqEek5lt72Xt4xL9h2pb+A5ugkG7tOrQtiPvWme1VEQQ96H4busiLWmTxQqv/tQQN+/+5pTQnYE7 qPJhwiebi77NfPh1g6Mj8G5P6fcfI7B1TrmVHhG6NgkGLgJSuOSxIJTjUWh90vid/flNBfAZCcidI cVt6VmE3BtCYxOkVR28HUNpevvZ0yLejvCQ4slOHmL4r/AIv1U4BUNK8Ehpt21++DvXc386yCJHZi D1lzqwdLpHdMMu6m3hdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m4jbL-006c4y-FG; Sat, 17 Jul 2021 12:39:27 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m4jal-006byf-2o for linux-arm-kernel@lists.infradead.org; Sat, 17 Jul 2021 12:38:52 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7A677613EE; Sat, 17 Jul 2021 12:38:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626525530; bh=LXDwk1gYabXV3hYmtYeDzVFhnOPDvwkZMuYNH7JDko4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vv7wBrIE89Kqpg6BYR0gzeYc066s2aDJNwrk33el8nW03OEmHWfpe7JefsP/BQpvR 2pZ2hrUrm/DkUlV+Lap33tB8pZE1JL4eLhb4ihqxi00g8YHUrqazPXKeHv2CNMuVmr S3lChivJ0nRp83gjlIbWWr5bfD+sDMX4SD5KMIeEqX2mAjHBa9gkpR68czRoP+MDNR /3MiyaJMi7WudRh77Ca3A9XzUKkDWJhItt+PgRl+cVnayA6EPTJiXYDmPWhhg3ZEat kz6FLI+TeBtmpwPlQJMw/w6JvKGwDQkAhnzoHaH+SZJRsCB2PInWNwtYFQ8vMGS+N4 +wvGtzlPdlHSg== Received: by pali.im (Postfix) id 35C6DEA7; Sat, 17 Jul 2021 14:38:50 +0200 (CEST) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Michael Turquette , Stephen Boyd , Rob Herring , Greg Kroah-Hartman Cc: "Andrew Lunn" , "Gregory Clement" , "Sebastian Hesselbarth" , "Vladimir Vid" , =?utf-8?q?Marek_Beh=C3=BAn?= , "Geert Uytterhoeven" , linux-clk@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 4/5] arm64: dts: marvell: armada-37xx: add device node for UART clock and use it Date: Sat, 17 Jul 2021 14:38:28 +0200 Message-Id: <20210717123829.5201-5-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210717123829.5201-1-pali@kernel.org> References: <20210624224909.6350-1-pali@kernel.org> <20210717123829.5201-1-pali@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210717_053851_227452_7824B13C X-CRM114-Status: GOOD ( 11.45 ) 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 This change defines DT node for UART clock "marvell,armada-3700-uart-clock" and use this UART clock as a base clock for all UART devices. Signed-off-by: Pali Rohár --- arch/arm64/boot/dts/marvell/armada-3720-db.dts | 4 ++++ .../boot/dts/marvell/armada-3720-espressobin.dtsi | 4 ++++ .../boot/dts/marvell/armada-3720-turris-mox.dts | 4 ++++ arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 4 ++++ arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 15 +++++++++++++-- 5 files changed, 29 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts index 3e5789f37206..accf014a6a1e 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts @@ -191,6 +191,10 @@ }; }; +&uartclk { + status = "okay"; +}; + /* * Exported on the micro USB connector CON30(V2.0)/CON32(V1.4) through * an FTDI (also on CON24(V2.0)/CON26(V1.4)). diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi index 5fc613d24151..d03c7cdfbfb3 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi @@ -117,6 +117,10 @@ }; }; +&uartclk { + status = "okay"; +}; + /* Exported on the micro USB connector J5 through an FTDI */ &uart0 { pinctrl-names = "default"; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index ce2bcddf396f..724b41cca3b6 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -137,6 +137,10 @@ status = "disabled"; }; +&uartclk { + status = "okay"; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts index 95d46e8d081c..c8217440b8dd 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts @@ -183,6 +183,10 @@ phy-names = "usb2-utmi-otg-phy"; }; +&uartclk { + status = "okay"; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi index 5db81a416cd6..d62bf4a798d9 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi @@ -132,10 +132,21 @@ reg = <0x11500 0x40>; }; + uartclk: uartclk@12000 { + compatible = "marvell,armada-3700-uart-clock"; + reg = <0x12010 0x4>, <0x12210 0x4>; + clocks = <&tbg 0>, <&tbg 1>, <&tbg 2>, + <&tbg 3>, <&xtalclk>; + clock-names = "TBG-A-P", "TBG-B-P", "TBG-A-S", + "TBG-B-S", "xtal"; + #clock-cells = <1>; + status = "disabled"; + }; + uart0: serial@12000 { compatible = "marvell,armada-3700-uart"; reg = <0x12000 0x18>; - clocks = <&xtalclk>; + clocks = <&uartclk 0>; interrupts = , , @@ -147,7 +158,7 @@ uart1: serial@12200 { compatible = "marvell,armada-3700-uart-ext"; reg = <0x12200 0x30>; - clocks = <&xtalclk>; + clocks = <&uartclk 1>; interrupts = , ;