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: 479746 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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 60F20C636CB for ; Sat, 17 Jul 2021 12:38:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48360611C1 for ; Sat, 17 Jul 2021 12:38:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233900AbhGQMlw (ORCPT ); Sat, 17 Jul 2021 08:41:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:38350 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233662AbhGQMlr (ORCPT ); Sat, 17 Jul 2021 08:41:47 -0400 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 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.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 = , ;