From patchwork Mon Aug 2 14:45:28 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: 12414181 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,URIBL_BLOCKED,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 8511DC4338F for ; Mon, 2 Aug 2021 14:50:28 +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 470B160F6E for ; Mon, 2 Aug 2021 14:50:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 470B160F6E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=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=Oytb1ZPoR+nQ2KiJISPykzs929d2BsqGLAn6uVF363Y=; b=5Aa6RTj29R/0df /mANl0DAWPK3Qnod/Z6sd+1vEqv3zQ4Eqyt+re3D2NySjdiXVf4d8yUKzj17OiMmpo90X8B77z6A2 Zxleb0BeuVTG8/BA4zczCp8AnevrFRFy97I/UqNcWw+l8KW8NzNYunn5VWPm1FNkB6GYpbc3zVKd+ 3iwQyIixgmiFAh2sIdH9kblKu3eudCveAnLJqWJydAZ/xZf/sQWC9gWgUk17f5lPPBdJ6dcpSEHyc C0Ybet6zLOlhG2h+1jmRlaHtWD0dHiE4f0SZ3ophwuT4nGtbuADRckbQr38rX99UIv4/R9PhLQ7Ee Eier6uKbaEk9QgKMkTnw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAZF7-00GjYG-5k; Mon, 02 Aug 2021 14:48:38 +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 1mAZCW-00GiRV-Mk for linux-arm-kernel@lists.infradead.org; Mon, 02 Aug 2021 14:45:58 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3F99E60EB2; Mon, 2 Aug 2021 14:45:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627915556; bh=wLgsCp5CDUhRCXB4S/ViBhPh4kOWYhkFzV2F5QKfBPc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HvAzO1mcwWpzWc4xVXHBh2bDLLrMUliOJ4sG+f1ZHe95YkYehZOvghzSKGuXNFBiA ymAC/GiHcf3ZC+A3nngzRpRygyYYJn7LKv8zmoVHX5D8vLfX30xkQ67zGj3P6O+8/u NAwoDwIcqY3cK4l9d9it86tx25oag/VfA//hATkhSfnYdXEDBDxOZ3+d4ngFj02o+f aeboJF6V4TiL0o9uNSSqVA1blk/wFx0MmP7ApdQduutHcdnozj6+i0sNpvQ8VzJYN9 0QoMg/zNMXLFIoFzBuARNLKM5C+/Ahct0POMm880GO6RY3742ZqzXwsG0qMSBdZuu1 xHfBmclaiMTqw== Received: by pali.im (Postfix) id 0215AB98; Mon, 2 Aug 2021 16:45:56 +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 v4 5/6] arm64: dts: marvell: armada-37xx: add device node for UART clock and use it Date: Mon, 2 Aug 2021 16:45:28 +0200 Message-Id: <20210802144529.1520-6-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210802144529.1520-1-pali@kernel.org> References: <20210624224909.6350-1-pali@kernel.org> <20210802144529.1520-1-pali@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210802_074556_821144_90E702A3 X-CRM114-Status: GOOD ( 12.08 ) 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 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 = , ;