From patchwork Tue Nov 13 11:16:29 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10680299 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A45C013BF for ; Tue, 13 Nov 2018 11:19:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 93F9A2A31D for ; Tue, 13 Nov 2018 11:19:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8789E2A355; Tue, 13 Nov 2018 11:19:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 390852A31D for ; Tue, 13 Nov 2018 11:19:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732554AbeKMVQs (ORCPT ); Tue, 13 Nov 2018 16:16:48 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:40483 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732570AbeKMVQr (ORCPT ); Tue, 13 Nov 2018 16:16:47 -0500 Received: by mail-pf1-f193.google.com with SMTP id x2-v6so5877951pfm.7 for ; Tue, 13 Nov 2018 03:19:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6bCnCXGvGb+WTYYXJyM90jNCA/shvWQ1MA/BQWovloI=; b=bxuNqRYpBAu9VCBSV2xKdby2vjCbZApxF6VWE7g3P467rZugpyPtHfEDsxU0jUeASu rs4BsJMNOfE/oqoBhzcE9jJwSUfu6iIJhC6PvIznSYG6+RFzecUfAGh2KpajM6waxJji XPAt7fUtRnuS5ZDB/EaLB7A8l2FAUaEgv9H7w= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6bCnCXGvGb+WTYYXJyM90jNCA/shvWQ1MA/BQWovloI=; b=Sz+1WcfHdp4hpsZXFc0JiZOMbgX5f7rKfBT2pAUk3VvmDKR2sDjmsi/ZMPCLZ7VCe2 Qenzf8jWJpbOomwiu9S0uRYpsX2/8cqiIII4T99qWLmu3h0JLA2+mk6/gGMKFV3yfnww tGCaVpLHKIC9BkXSzPkQxN80zlIQKmQCjjddoo7/8J7j8CfB2Y3btiGkG+YxRRVaEaYl uFhykb6rXD8elsGi+gC0720ufmv5DVzA2WEbDLzy4GVDrRvj6YEDCltVWBh9VntHzUNo VHm1geexRzNQaZoKub1kCaxqUk4enf59WTOCpRLCSvwNPNmnmi8BumovygyKZDNwUZr2 t3Dw== X-Gm-Message-State: AGRZ1gKm9jufAfeJkdvAou3uELFF4KYWkwhJklqaFDBruYBEiEdYaKLM Zy3i90p01l8s6ZEP9QK6VUFo6A== X-Google-Smtp-Source: AJdET5eaF1s0sTZp6ao9W52tLpPWrw8U7gFiJUfLK07iH+OQgequAz4aORnm+trYbFgKmqBjhOmZFA== X-Received: by 2002:a62:7687:: with SMTP id r129mr2444437pfc.17.1542107948545; Tue, 13 Nov 2018 03:19:08 -0800 (PST) Received: from localhost.localdomain ([2401:4900:3670:3f11:bc71:2ef7:4a39:e260]) by smtp.gmail.com with ESMTPSA id 27-v6sm28531377pfm.36.2018.11.13.03.19.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Nov 2018 03:19:08 -0800 (PST) From: Jagan Teki To: Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Vasily Khoruzhick , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , David Airlie , dri-devel@lists.freedesktop.org, Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Michael Trimarchi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, linux-amarula@amarulasolutions.com Cc: Jagan Teki Subject: [PATCH v4 22/26] clk: sunxi-ng: a64: Add min and max rate for PLL_MIPI Date: Tue, 13 Nov 2018 16:46:29 +0530 Message-Id: <20181113111633.20189-23-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181113111633.20189-1-jagan@amarulasolutions.com> References: <20181113111633.20189-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Manual noted to use PLL_MIPI rate 500MHz to 1.4GHz, but lowering the min rate by 300MHz can result proper working nkms divider with the help of desired dclock rate from panel driver. Signed-off-by: Jagan Teki Acked-by: Stephen Boyd --- drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index 019d67bf97c4..5a3a5b821f8b 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -167,6 +167,8 @@ static struct ccu_nkm pll_mipi_clk = { .n = _SUNXI_CCU_MULT(8, 4), .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), .m = _SUNXI_CCU_DIV(0, 4), + .min_rate = 300000000, /* Actual rate is 500MHz */ + .max_rate = 1400000000UL, .common = { .reg = 0x040, .hw.init = CLK_HW_INIT("pll-mipi", "pll-video0",