From patchwork Mon Aug 9 14:53:27 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: 494730 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=unavailable 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 303BBC4320A for ; Mon, 9 Aug 2021 14:55:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 07CF760C41 for ; Mon, 9 Aug 2021 14:55:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235113AbhHIOzk (ORCPT ); Mon, 9 Aug 2021 10:55:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:44418 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235300AbhHIOzW (ORCPT ); Mon, 9 Aug 2021 10:55:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A68AC610EA; Mon, 9 Aug 2021 14:54:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628520896; bh=Tj1KoLbRx36Cai5tD6gjvLCZPUH6QNJdzsfNne47jbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=htc7ntiNVjjtRoqW5Df/SjpGSqBwa5+lIWvnrkcmiyK66/JM83IPoj3QnnToLcn2H 3od8AyqjaEHy32nQREMGBqBXIFRSILjIWWbgxDhVDDnCDIzNo5NByj0/XFYRAggaWL gQHkItcE+0QwY40Rwg4Swz6iuAF/UfPM0GgrrmjqhvjSDDir/fskavMvhEeq570YKj rrx273dHAQeQ8gRLORWbpQozghWTL68cRElT1eQijF5PXEopxTnh8QSizx+xQRmRJQ 69vgwX7VXqafPHVStykQecLaU3WboM4RnmSCU2h5cfOqush5Kl6kbwPwYmMD9H9lUS cDyvauDd3ETPw== Received: by pali.im (Postfix) id C9F0228E5; Mon, 9 Aug 2021 16:54:54 +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 4/6] dt-bindings: mvebu-uart: update information about UART clock Date: Mon, 9 Aug 2021 16:53:27 +0200 Message-Id: <20210809145329.24177-5-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 Device "marvell,armada-3700-uart" should use "marvell,armada-3700-uart-clock" compatible clock. Signed-off-by: Pali Rohár --- Documentation/devicetree/bindings/serial/mvebu-uart.txt | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/mvebu-uart.txt b/Documentation/devicetree/bindings/serial/mvebu-uart.txt index 2d0dbdf32d1d..a062bbca532c 100644 --- a/Documentation/devicetree/bindings/serial/mvebu-uart.txt +++ b/Documentation/devicetree/bindings/serial/mvebu-uart.txt @@ -14,7 +14,10 @@ Required properties: is provided (possible only with the "marvell,armada-3700-uart" compatible string for backward compatibility), it will only work if the baudrate was initialized by the bootloader and no baudrate - change will then be possible. + change will then be possible. When provided it should be UART1-clk + for standard variant of UART and UART2-clk for extended variant + of UART. TBG clock (with UART TBG divisors d1=d2=1) or xtal clock + should not be used and are supported only for backward compatibility. - interrupts: - Must contain three elements for the standard variant of the IP (marvell,armada-3700-uart): "uart-sum", "uart-tx" and "uart-rx", @@ -34,7 +37,7 @@ Example: uart0: serial@12000 { compatible = "marvell,armada-3700-uart"; reg = <0x12000 0x18>; - clocks = <&xtalclk>; + clocks = <&uartclk 0>; interrupts = , , @@ -45,7 +48,7 @@ Example: uart1: serial@12200 { compatible = "marvell,armada-3700-uart-ext"; reg = <0x12200 0x30>; - clocks = <&xtalclk>; + clocks = <&uartclk 1>; interrupts = , ;