From patchwork Mon Apr 18 05:32:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Tu X-Patchwork-Id: 12816311 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7A622C433F5 for ; Mon, 18 Apr 2022 05:33:55 +0000 (UTC) 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=v2znoJg/PAVnTj8q4R6X4XPZB8G8FkJlEl5+wyg3XQA=; b=nG5fHq7WCrPSEK 6Ga300ANNu/02vx2+gUHrTkfaZ6Pda3aieg4rY9iVhuCtTmNa1qAVyYGlGu360SIf+EQoW//uEgyl 1tZRvkQw74oSLHuNkq6Fqi/hSlPpPutthv2hmb7pPAlIzxlaX5Hnj4b0mFW+ASHYC+lEkk2GtqfEf BbyhQ6VS/yJ3eUr4k+UdDXaDExdeTSFvkRLMVt/4YIy9wAlGXa7RuEvXH6ItDtY3qTEkI8A3Qc3XV 1temPG+SGIjB4Clx20ZHPv8vI5KwCtUkJuC5U9qJ4uFP/nbRfozq+wYo+56DBcANLM3+uQ/ZDGssN sxkxSG0L8/9q6MclsOpA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngK1H-00FgAf-8P; Mon, 18 Apr 2022 05:33:51 +0000 Received: from mail-sh.amlogic.com ([58.32.228.43]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngK0u-00Fg3n-Gf; Mon, 18 Apr 2022 05:33:29 +0000 Received: from droid06.amlogic.com (10.18.11.248) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.2176.14; Mon, 18 Apr 2022 13:33:26 +0800 From: Yu Tu To: , , , , Greg Kroah-Hartman , Neil Armstrong , Kevin Hilman , Jerome Brunet CC: Jiri Slaby , Martin Blumenstingl , Yu Tu Subject: [PATCH V2 2/2] tty: serial: meson: Added S4 SOC compatibility Date: Mon, 18 Apr 2022 13:32:02 +0800 Message-ID: <20220418053202.24528-3-yu.tu@amlogic.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220418053202.24528-1-yu.tu@amlogic.com> References: <20220418053202.24528-1-yu.tu@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.18.11.248] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220417_223328_591194_DBF4D9CF X-CRM114-Status: UNSURE ( 8.85 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Make UART driver compatible with S4 SOC UART. Meanwhile, the S4 SOC UART uses 12MHz as the clock source for baud rate calculations. Signed-off-by: Yu Tu --- drivers/tty/serial/meson_uart.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 58bd2723c004..43941f21735f 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -790,11 +790,19 @@ static int meson_uart_remove(struct platform_device *pdev) return 0; } +static struct meson_uart_data s4_uart_date = { + .has_xtal_div2 = true, +}; + static const struct of_device_id meson_uart_dt_match[] = { { .compatible = "amlogic,meson6-uart" }, { .compatible = "amlogic,meson8-uart" }, { .compatible = "amlogic,meson8b-uart" }, { .compatible = "amlogic,meson-gx-uart" }, + { + .compatible = "amlogic,meson-s4-uart", + .data = (void *)&s4_uart_date, + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, meson_uart_dt_match);