From mboxrd@z Thu Jan 1 00:00:00 1970 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=-15.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 EFE8DC433EF for ; Wed, 22 Sep 2021 10:56:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCA5461214 for ; Wed, 22 Sep 2021 10:56:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235277AbhIVK6F (ORCPT ); Wed, 22 Sep 2021 06:58:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:57050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235123AbhIVK6D (ORCPT ); Wed, 22 Sep 2021 06:58:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8A3CA60ED7; Wed, 22 Sep 2021 10:56:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632308193; bh=AU3eAVQ3E4tohBMshWxiOAyUqFg6wmmF2TEuQwxk1K4=; h=From:To:Cc:Subject:Date:From; b=uWaFnuBdoPKXKXfJE6p9k4asTcMuvae5MoYmInpwI5sELfZf0ouMwAJyXZ5c/cUr1 ztE9MezqTEsMJQHIyorJLO/OaEkyJacWUZgOjbK6mM2NGoW46/+ZE48//2aCkOtXdi 43OJEe/UrXcFIU23mgKcBW5TqVNlLUQOwcTKjegWwKdfIa3cs5ka5YzBBpcNzNuazK i+KxODgWFB0ePNaPOYrTmk7vzStZJLjKjx3XMqqgaXFK+K2jPjXNiBgoxD0Hp/YxJ2 yhIsKYMhSvFG4kRhOWHuVDVD0YHSYaUfmvyaXMvdlpi16gg6601S+2t3ORX+sXKg7+ OXPK/8V7j2x2Q== Received: by pali.im (Postfix) id 0F95E79F; Wed, 22 Sep 2021 12:56:31 +0200 (CEST) From: =?UTF-8?q?Pali=20Roh=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=20Beh=C3=BAn?= , linux-clk@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RESEND PATCH v5 0/6] serial: mvebu-uart: Support for higher baudrates Date: Wed, 22 Sep 2021 12:54:27 +0200 Message-Id: <20210922105433.11744-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Per Greg's request I'm resending this patch series, please review it: https://lore.kernel.org/linux-serial/YUmMli6LA%2F7Ew3hD@kroah.com/ This patch series add support for baudrates higher than 230400 on Marvell Armada 37xx boards. Pali Rohár (6): math64: New DIV_U64_ROUND_CLOSEST helper serial: mvebu-uart: implement UART clock driver for configuring UART base clock dt-bindings: mvebu-uart: document DT bindings for marvell,armada-3700-uart-clock dt-bindings: mvebu-uart: update information about UART clock arm64: dts: marvell: armada-37xx: add device node for UART clock and use it serial: mvebu-uart: implement support for baudrates higher than 230400 .../bindings/clock/armada3700-uart-clock.yaml | 57 ++ .../devicetree/bindings/serial/mvebu-uart.txt | 9 +- .../arm64/boot/dts/marvell/armada-3720-db.dts | 4 + .../dts/marvell/armada-3720-espressobin.dtsi | 4 + .../dts/marvell/armada-3720-turris-mox.dts | 4 + .../boot/dts/marvell/armada-3720-uDPU.dts | 4 + arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 15 +- drivers/tty/serial/Kconfig | 1 + drivers/tty/serial/mvebu-uart.c | 592 +++++++++++++++++- include/linux/math64.h | 13 + 10 files changed, 682 insertions(+), 21 deletions(-) create mode 100644 Documentation/devicetree/bindings/clock/armada3700-uart-clock.yaml -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNWANTED_LANGUAGE_BODY,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 240FBC433EF for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org UGVyIEdyZWcncyByZXF1ZXN0IEknbSByZXNlbmRpbmcgdGhpcyBwYXRjaCBzZXJpZXMsIHBsZWFz ZSByZXZpZXcgaXQ6Cmh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xpbnV4LXNlcmlhbC9ZVW1NbGk2 TEElMkY3RXczaERAa3JvYWguY29tLwoKVGhpcyBwYXRjaCBzZXJpZXMgYWRkIHN1cHBvcnQgZm9y IGJhdWRyYXRlcyBoaWdoZXIgdGhhbiAyMzA0MDAgb24KTWFydmVsbCBBcm1hZGEgMzd4eCBib2Fy ZHMuCgpQYWxpIFJvaMOhciAoNik6CiAgbWF0aDY0OiBOZXcgRElWX1U2NF9ST1VORF9DTE9TRVNU IGhlbHBlcgogIHNlcmlhbDogbXZlYnUtdWFydDogaW1wbGVtZW50IFVBUlQgY2xvY2sgZHJpdmVy IGZvciBjb25maWd1cmluZyBVQVJUCiAgICBiYXNlIGNsb2NrCiAgZHQtYmluZGluZ3M6IG12ZWJ1 LXVhcnQ6IGRvY3VtZW50IERUIGJpbmRpbmdzIGZvcgogICAgbWFydmVsbCxhcm1hZGEtMzcwMC11 YXJ0LWNsb2NrCiAgZHQtYmluZGluZ3M6IG12ZWJ1LXVhcnQ6IHVwZGF0ZSBpbmZvcm1hdGlvbiBh Ym91dCBVQVJUIGNsb2NrCiAgYXJtNjQ6IGR0czogbWFydmVsbDogYXJtYWRhLTM3eHg6IGFkZCBk ZXZpY2Ugbm9kZSBmb3IgVUFSVCBjbG9jayBhbmQKICAgIHVzZSBpdAogIHNlcmlhbDogbXZlYnUt dWFydDogaW1wbGVtZW50IHN1cHBvcnQgZm9yIGJhdWRyYXRlcyBoaWdoZXIgdGhhbiAyMzA0MDAK CiAuLi4vYmluZGluZ3MvY2xvY2svYXJtYWRhMzcwMC11YXJ0LWNsb2NrLnlhbWwgfCAgNTcgKysK IC4uLi9kZXZpY2V0cmVlL2JpbmRpbmdzL3NlcmlhbC9tdmVidS11YXJ0LnR4dCB8ICAgOSArLQog Li4uL2FybTY0L2Jvb3QvZHRzL21hcnZlbGwvYXJtYWRhLTM3MjAtZGIuZHRzIHwgICA0ICsKIC4u Li9kdHMvbWFydmVsbC9hcm1hZGEtMzcyMC1lc3ByZXNzb2Jpbi5kdHNpICB8ICAgNCArCiAuLi4v ZHRzL21hcnZlbGwvYXJtYWRhLTM3MjAtdHVycmlzLW1veC5kdHMgICAgfCAgIDQgKwogLi4uL2Jv b3QvZHRzL21hcnZlbGwvYXJtYWRhLTM3MjAtdURQVS5kdHMgICAgIHwgICA0ICsKIGFyY2gvYXJt NjQvYm9vdC9kdHMvbWFydmVsbC9hcm1hZGEtMzd4eC5kdHNpICB8ICAxNSArLQogZHJpdmVycy90 dHkvc2VyaWFsL0tjb25maWcgICAgICAgICAgICAgICAgICAgIHwgICAxICsKIGRyaXZlcnMvdHR5 L3NlcmlhbC9tdmVidS11YXJ0LmMgICAgICAgICAgICAgICB8IDU5MiArKysrKysrKysrKysrKysr Ky0KIGluY2x1ZGUvbGludXgvbWF0aDY0LmggICAgICAgICAgICAgICAgICAgICAgICB8ICAxMyAr CiAxMCBmaWxlcyBjaGFuZ2VkLCA2ODIgaW5zZXJ0aW9ucygrKSwgMjEgZGVsZXRpb25zKC0pCiBj cmVhdGUgbW9kZSAxMDA2NDQgRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL2Nsb2Nr L2FybWFkYTM3MDAtdWFydC1jbG9jay55YW1sCgotLSAKMi4yMC4xCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5n IGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5p bmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=