From patchwork Mon Oct 31 18:40:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siarhei Volkau X-Patchwork-Id: 620428 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FA8FECAAA1 for ; Mon, 31 Oct 2022 18:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229668AbiJaSkt (ORCPT ); Mon, 31 Oct 2022 14:40:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229468AbiJaSks (ORCPT ); Mon, 31 Oct 2022 14:40:48 -0400 Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6BF0DF77; Mon, 31 Oct 2022 11:40:46 -0700 (PDT) Received: by mail-wm1-x32f.google.com with SMTP id ay14-20020a05600c1e0e00b003cf6ab34b61so2038961wmb.2; Mon, 31 Oct 2022 11:40:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=zMgETaAE4cSZ0k4hJhUAcCXN4b9qeptJfCrItoYYMYI=; b=gu0KikZeI0bIt0XggQjkFqcYoKXY8TXoey1wf6kgwmriaGpLk68bf8r4BJNdJGSw9d a/d5mHoTYv5vGK1vKN6sgbY/eRdxVuHrwq9gIzWO2Gt7ochovMmMxhBLdFHpeyEQhOGI AG0hBNxeclmPenIBhCjh48FVT3jBZVCp8y112ZL/G6i7+dLzm/IJtnUXPcd6MUnzgl0Y 2fZK35rSyVip1kRU2zrZ5Efl2vyA9GreVtaigMXDQ1na98/m3Debqnnn7evrj0SDLoMr MFTNsUVmvmFVw3JNHDNiT2+vCbE7IOyin43/yam5p4CRiI58qWxTgeB8WoZ18xG8eRBK 5UNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=zMgETaAE4cSZ0k4hJhUAcCXN4b9qeptJfCrItoYYMYI=; b=1tvFfbkR98woGFkVl99vYXr1Ndslz8PmQX8dybbVZbKZn8xPei+MZWpViFjZkTOk+M A0+lHuYeR/4dbYVXGVsn6WpSD6O1IeQUhy+l0FDgpdGRAVUUhLXZhjGRByIIQm7JLP/a aw3A2vQl/AJhmU5XdrmW0NJairRTfcSSC7JDcQpesDMG0BLNF2WAmneJ3UJmptFRupi5 O9Fm9Izd7sGO0bDLAqrTEbBJzdsnTFmG9/wX4lzXCKXQrsgmjsmjtboKIQV8v7wuG+7U gvQXcMJnJz5ptp5KnQM0Y4gjDRsyV1xyBll44cJn2/58XoqDhAOItA0vhZLKd93k/6xN B/mA== X-Gm-Message-State: ACrzQf1g3uQ/H4D33NavtjwsaubuTq+nf3k/zlACyucAbraRZb2dz3jt 0ietxuDcyBUW9c6L7vdOQHs= X-Google-Smtp-Source: AMsMyM5sqUekBItN5y+a486TSf5NZ2MkgnKD5heHK2bdojq3gb9fZdANpYFY8qwzfXA82d4a0NhnWg== X-Received: by 2002:a05:600c:21c9:b0:3cf:7833:2940 with SMTP id x9-20020a05600c21c900b003cf78332940mr2003113wmj.35.1667241645352; Mon, 31 Oct 2022 11:40:45 -0700 (PDT) Received: from hp-power-15.localdomain (mm-167-8-212-37.vitebsk.dynamic.pppoe.byfly.by. [37.212.8.167]) by smtp.gmail.com with ESMTPSA id k18-20020a05600c081200b003b4935f04a4sm8525887wmp.5.2022.10.31.11.40.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Oct 2022 11:40:44 -0700 (PDT) From: Siarhei Volkau Cc: Siarhei Volkau , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Paul Cercueil , Jiri Slaby , linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org Subject: [PATCH v4 0/2] serial: 8250/ingenic: Add support for the JZ4750 Date: Mon, 31 Oct 2022 21:40:38 +0300 Message-Id: <20221031184041.1338129-1-lis8215@gmail.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org JZ4750 and JZ4755 have an extra clock divisor in CGU called CPCCR.ECS. It needs to be handled properly in the early console driver. v4: - move duplicate code - apply Paul's description for the quirk & commit msg v3: - fix build errors v2: - serial moved into separate patchset - code refactored to avoid peek in CGU register - Krzysztof's ack picked v1: - big patchset for the whole JZ4755 support Siarhei Volkau (2): dt-bindings: serial: ingenic: Add support for the JZ4750/55 SoCs serial: 8250/ingenic: Add support for the JZ4750/JZ4755 .../bindings/serial/ingenic,uart.yaml | 4 +++ drivers/tty/serial/8250/8250_ingenic.c | 32 +++++++++++++++++-- 2 files changed, 33 insertions(+), 3 deletions(-)