From patchwork Mon Aug 9 14:53:28 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: 494187 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 5901FC19F35 for ; Mon, 9 Aug 2021 14:55:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C1896101E for ; Mon, 9 Aug 2021 14:55:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235374AbhHIOzY (ORCPT ); Mon, 9 Aug 2021 10:55:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:44132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235220AbhHIOzQ (ORCPT ); Mon, 9 Aug 2021 10:55:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BA4D261077; Mon, 9 Aug 2021 14:54:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628520896; bh=wLgsCp5CDUhRCXB4S/ViBhPh4kOWYhkFzV2F5QKfBPc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LAlLXGNt18Ga8tTosXLBXfS6LziOk5bmtooax2CFFfpVe0/S762P7pYCKq5aDDU2f G8tZcaFK9DUAiw/hipmydekcjk3aQtFF7rFn+ICWm1klorlzYoeLGxUzsW09BSdzJN bI9L/xUd8FwgpmdWZt3zLceEvKZg6JWR5RRz12oHuY2+lhSyC1UWUb2xDEx6cwyzxz 7eZYN/LRbsHWGY/wzyvDdv/eY3NeqGunak9mtVgvuouXw456Qap1RerixHHYEUEiOO TjqyO4gb5Sbj3G3eYqKBcNMmDsZCucZ/nn26z17fPXiXtHuwfLjBtG0Y64145P2Djn w7SkaNa9Z4H2Q== Received: by pali.im (Postfix) id 63D702ACE; Mon, 9 Aug 2021 16:54:55 +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?= , linux-clk@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 5/6] arm64: dts: marvell: armada-37xx: add device node for UART clock and use it Date: Mon, 9 Aug 2021 16:53:28 +0200 Message-Id: <20210809145329.24177-6-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210809145329.24177-1-pali@kernel.org> References: <20210624224909.6350-1-pali@kernel.org> <20210809145329.24177-1-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 cacf2a05fb22..972c6d400f8b 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -167,6 +167,10 @@ 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 20dd9d9e9d58..d9bdd374cf45 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 = , ;