From patchwork Mon Dec 10 16:17:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10723263 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 16F8C112E for ; Tue, 11 Dec 2018 09:19:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 06D5329E9D for ; Tue, 11 Dec 2018 09:19:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EF91629EA6; Tue, 11 Dec 2018 09:19:16 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B35B529E9D for ; Tue, 11 Dec 2018 09:19:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B874489C93; Tue, 11 Dec 2018 09:18:54 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8B8C86EB26 for ; Mon, 10 Dec 2018 16:18:11 +0000 (UTC) Received: by mail-wm1-x343.google.com with SMTP id r24so6988576wmh.0 for ; Mon, 10 Dec 2018 08:18:11 -0800 (PST) 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=SS22PqBK8tWsdyn/FHAwZUavV4dNBBIV2/QUJd77h4k=; b=CdolixkfcwE6AR9p4SfUgoxEAnRhvutdDasY3Grsz6O4g94o3dy1nkardFgCfHPZTu MSXtCZ4bwn6x1CHkjrq/aX/td+fFkE5swrGjc1It0OZXEX0A8DhhOaLz1hDDiNLVaM/A 4T0CmL/Hnj8Ef8+9E2Es6fV44dm1pJV53H2yGUxSgXfenFVzogzYb3K2RMkVzjbP0Tau +svxAVmYmbc0w8m4vtBW1624m0G8eYSL/wWSDUtk2uZHJ+KsJ/xI+jvKXQULrGoYm8t+ dokmowgyuSrSSSx2fRfcegGUyMoIQJ2HehpUTu0v3QRUXooks+RLJI1E/FE6eWmZFTS4 5cEw== X-Gm-Message-State: AA+aEWZy3tMD0BNjGhwD1QmBq7mTysKDBNT6Jx0ZA02feNpCCjuT8pyd sjoJ6SrI0HnX1t611YBDs7KxPg== X-Google-Smtp-Source: AFSGD/UkunrLdyF1uFFqybjHZqBmchG32sEgRXZF3wFvzKBtIfF3Z3WDnTjOxaEb/dtfoyprq4epaA== X-Received: by 2002:a1c:990c:: with SMTP id b12mr11710901wme.106.1544458690275; Mon, 10 Dec 2018 08:18:10 -0800 (PST) Received: from localhost.localdomain (ip-162-59.sn-213-198.clouditalia.com. [213.198.162.59]) by smtp.gmail.com with ESMTPSA id b13sm8397503wrn.28.2018.12.10.08.18.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 10 Dec 2018 08:18:09 -0800 (PST) From: Jagan Teki To: Maxime Ripard , Chen-Yu Tsai , Michael Turquette , Stephen Boyd Subject: [PATCH v5 15/17] clk: sunxi-ng: a64: Add minimum rate for PLL_MIPI Date: Mon, 10 Dec 2018 21:47:27 +0530 Message-Id: <20181210161729.29720-16-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181210161729.29720-1-jagan@amarulasolutions.com> References: <20181210161729.29720-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 11 Dec 2018 09:18:52 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi , Jagan Teki , Michael Trimarchi , linux-amarula@amarulasolutions.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Minimum PLL used for MIPI is 500MHz, as per manual, 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 | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index 181b599dc163..b623c8150b4f 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -183,6 +183,7 @@ 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 */ .common = { .reg = 0x040, .hw.init = CLK_HW_INIT("pll-mipi", "pll-video0",