From patchwork Tue May 8 16:26:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 910335 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-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="a2KF0OAL"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40gQ2d6jjPz9s27 for ; Wed, 9 May 2018 02:30:33 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755467AbeEHQ26 (ORCPT ); Tue, 8 May 2018 12:28:58 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:38827 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755462AbeEHQ25 (ORCPT ); Tue, 8 May 2018 12:28:57 -0400 Received: by mail-pf0-f193.google.com with SMTP id o76so24216901pfi.5; Tue, 08 May 2018 09:28:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Hen+wjG6wbWxgtH2nfl8nVcZ7pTN6V8XvKMD6k7Sj8U=; b=a2KF0OALddpQ2vWHYHV5Qoq8BhnWVs/UFlOsRRtLB73IqMOrRnnsyOgrH5lC38ncI2 xoK5SrutAVHOfQYZK8TIUQz3Nzq1IA0A+csvldiquS8fqrEQVfc9bReTFiuBpiv1bfWz HGicE+IJ0uzV82IY9N8C6LfLr5a94oVcbbksHgvhis8BCum2+bcSpoqo2ZdGyb+Sioh5 PlJ33wIC26xSu/98dCj++H/hSRRKT5HIjMTlJlQZiHVZqUBsSq+Bkt5Jamh4GPrbY66V kmTAezb52mfMDxxFoMuIIhNsxg+Bs0MhxB8Tr5wvSMAJq13TpZ+5jcrko6YtKnlatMnx p0cQ== 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; bh=Hen+wjG6wbWxgtH2nfl8nVcZ7pTN6V8XvKMD6k7Sj8U=; b=szBQdR9QzJgEz5hNkEcR9yidTyKuFqMuU2In9Q7CaEE7R8M5Ovp2tyZhkN/jHQmivD gAEpD7ccM+yXaO/doMd7gCsn82ffJsC025SagD4nJtfVP8/wweBOlwyabIeT4ZsKxEyY e06m9bIjhW1uy9VyULLXxjCWml+2SlrUFU91dRtMWsiCcQ4yoJ8cI8GDZt4QEZkylIr8 9dSR+AvpjdvLKZGwgRAoCN3n6UJYhBFbkAJD3O/lZ6U4IR2wNAEEK+PfL01RyHhDQjTq dB2F2sB9V5NF4k6SwohDwEBFhpu8NxrQepn4S+visfj34X4mSMF39KiFO6Ok1NdDOxNi Fr/w== X-Gm-Message-State: ALQs6tCqEv0zqwZVQtWOO4cSSJnAr5k9Y6nC4AMNX5fM59+z8n+W6Jzp vJVeWs5OLbL/8BtmXNLYznQ= X-Google-Smtp-Source: AB8JxZpHHOu6DZaAugfP8pLCJ9uySzC+baM39dD2VPdN9gcZUYXqPyM3DOH/cpWMBC2NA7wCckZX+A== X-Received: by 2002:a63:7543:: with SMTP id f3-v6mr29682301pgn.256.1525796936521; Tue, 08 May 2018 09:28:56 -0700 (PDT) Received: from localhost.localdomain ([109.252.91.130]) by smtp.gmail.com with ESMTPSA id o10-v6sm42083664pgc.80.2018.05.08.09.28.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 May 2018 09:28:55 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter De Schrijver , Prashant Gaikwad , Stephen Boyd , Michael Turquette , Linus Walleij , Marcel Ziswiler , Marc Dietrich Cc: linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/4] clk: tegra20: Add DEV1/DEV2 OSC dividers Date: Tue, 8 May 2018 19:26:03 +0300 Message-Id: <20180508162607.3500-2-digetx@gmail.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180508162607.3500-1-digetx@gmail.com> References: <20180508162607.3500-1-digetx@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org CDEV1/CDEV2 clocks could have corresponding oscillator clock divider as a parent. Add these dividers in order to be able to provide that parent option. Signed-off-by: Dmitry Osipenko Reviewed-by: Marcel Ziswiler Tested-by: Marcel Ziswiler Tested-by: Marc Dietrich Acked-by: Peter De Schrijver Acked-by: Stephen Boyd --- drivers/clk/tegra/clk-tegra20.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 0ee56dd04cec..ad5a7b5e3a39 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -26,6 +26,8 @@ #include "clk.h" #include "clk-id.h" +#define MISC_CLK_ENB 0x48 + #define OSC_CTRL 0x50 #define OSC_CTRL_OSC_FREQ_MASK (3<<30) #define OSC_CTRL_OSC_FREQ_13MHZ (0<<30) @@ -831,6 +833,18 @@ static void __init tegra20_periph_clk_init(void) periph_clk_enb_refcnt); clks[TEGRA20_CLK_PEX] = clk; + /* dev1 OSC divider */ + clk_register_divider(NULL, "dev1_osc_div", "clk_m", + 0, clk_base + MISC_CLK_ENB, 22, 2, + CLK_DIVIDER_POWER_OF_TWO | CLK_DIVIDER_READ_ONLY, + NULL); + + /* dev2 OSC divider */ + clk_register_divider(NULL, "dev2_osc_div", "clk_m", + 0, clk_base + MISC_CLK_ENB, 20, 2, + CLK_DIVIDER_POWER_OF_TWO | CLK_DIVIDER_READ_ONLY, + NULL); + /* cdev1 */ clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, 0, 26000000); clk = tegra_clk_register_periph_gate("cdev1", "cdev1_fixed", 0,