From patchwork Sun May 27 21:54:40 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 921227 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=agner.ch Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; secure) header.d=agner.ch header.i=@agner.ch header.b="jqnbWjsA"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40vDLx67w2z9s0q for ; Mon, 28 May 2018 07:55:37 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752089AbeE0Vze (ORCPT ); Sun, 27 May 2018 17:55:34 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:45112 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752044AbeE0Vyw (ORCPT ); Sun, 27 May 2018 17:54:52 -0400 Received: from trochilidae.lan (unknown [37.17.239.3]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 5D5265C1A26; Sun, 27 May 2018 23:54:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1527458090; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:content-type:content-transfer-encoding: in-reply-to:references; bh=q6rTqE6/tjF3jNBGI2vyupX4NB5A7Q7Afo1i3DQPlp4=; b=jqnbWjsAqrVImhBkcDqgSdHTe6zmKpC8vOxw/cEeHz9cwVhC0WPmGVKT/hzs66C4O+v+pb oqd/nz1QfAv60co/IY5+mYrUO8x8NNcIy4+a5sG4tyG4z4pznIb4pUmjciixl23QxyxOdR R3d/ijvWBq4a2BCKTE/kGtCoTI1+K04= From: Stefan Agner To: boris.brezillon@bootlin.com, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, thierry.reding@gmail.com, mturquette@baylibre.com, sboyd@kernel.org Cc: dev@lynxeye.de, miquel.raynal@bootlin.com, richard@nod.at, marcel@ziswiler.com, krzk@kernel.org, digetx@gmail.com, benjamin.lindqvist@endian.se, jonathanh@nvidia.com, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, mirza.krak@gmail.com, linux-mtd@lists.infradead.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Stefan Agner Subject: [PATCH v2 4/6] clk: tegra20: init NDFLASH clock to sensible rate Date: Sun, 27 May 2018 23:54:40 +0200 Message-Id: <20180527215442.14760-5-stefan@agner.ch> X-Mailer: git-send-email 2.17.0 X-Spamd-Result: default: False [-2.10 / 15.00]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWELVE(0.00)[26]; BAYES_HAM(-3.00)[100.00%]; TAGGED_RCPT(0.00)[dt]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_ZERO(0.00)[0]; MID_CONTAINS_FROM(1.00)[]; ASN(0.00)[asn:13030, ipnet:37.17.238.0/23, country:CH]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[] Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Lucas Stach Set up the NAND Flash controller clock to run at 150MHz instead of the rate set by the bootloader. This is a conservative rate which also yields good performance. Signed-off-by: Lucas Stach Signed-off-by: Stefan Agner --- drivers/clk/tegra/clk-tegra20.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 0ee56dd04cec..dff8c425cd28 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -1049,6 +1049,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA20_CLK_GR2D, TEGRA20_CLK_PLL_C, 300000000, 0 }, { TEGRA20_CLK_GR3D, TEGRA20_CLK_PLL_C, 300000000, 0 }, { TEGRA20_CLK_VDE, TEGRA20_CLK_CLK_MAX, 300000000, 0 }, + { TEGRA20_CLK_NDFLASH, TEGRA20_CLK_PLL_P, 150000000, 0 }, /* must be the last entry */ { TEGRA20_CLK_CLK_MAX, TEGRA20_CLK_CLK_MAX, 0, 0 }, };