From patchwork Fri Mar 16 02:52:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 10286211 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5F4F960386 for ; Fri, 16 Mar 2018 03:03:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0F03928558 for ; Fri, 16 Mar 2018 03:02:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 033B928742; Fri, 16 Mar 2018 03:02:54 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 69A6428558 for ; Fri, 16 Mar 2018 03:02:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=GT4zHcQ7ymP5CmUT8Kl0Bij5/u4iwleEJqESABKGkXg=; b=QJu7xqsfUikrNww8KkDj96ZHpn lPi2LEZ3+K/Pm3yecXdsRiYD7LA7iJYaoIINtt/66rcajrBQ5GYMQW2Nez2krjcEpnc6g2frQOqCt aYuA2a/+VpoMO/4i7PUtoI6mzSLIGPl6iIjHsbHfPL0IrzBlf5rqyO6VGjv3D4BQQasm5zfSgglqq jqUmivHdXusF0US9Mb3rFdYwdEZxdaUle302BgQqVeHUCuAVDq8TETg5r4jn1dCeC3f2I8FAkDjqd ZRZwd+GBeX/DK94m+DWe62pntb1usTHQin4XbsuRBEvYosA6JnXU1nOtiyCPGZyc+Yd661OGCgdKr jTdA36zQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewfdm-0006oh-Op; Fri, 16 Mar 2018 03:02:46 +0000 Received: from vern.gendns.com ([206.190.152.46]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ewfUu-0007X9-Pj for linux-arm-kernel@lists.infradead.org; Fri, 16 Mar 2018 02:53:42 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=t4Ee8s5HW10P367YjYzeQsIXz1iBEoLLJeWEEL6Fz0g=; b=UdgAffs1bO0dUyWMkhQT81F3j 8Kx6leT7xNrO3m2fpfmTDKstSKlykRX1DH8+/h14u7a3zv4KaZHZmOx4MF9HSohh1aL9SQFKnoHFW /cmtTTlfkdpg8JNa343H4Svf/EJSRk38+365TiaUKWEYQBgBcDy50NmW45Y1Ddx9moopbUmEJlafT 0FLE2gIdycpfku5+Vv/+VhfOAjKtrb2HoLf/tFW9q51fiai1rI7jxbMfe9D6pOjlZMwWBeBreXGTK RckS1HFPSm9KppBPUX4h4kYIVUs9aE5yXPLZetQT1KdZhZDnJNE+yD5KTKg0YPyOYlKBWu8LOPcs5 d0AY0ic4A==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:44986 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1ewfSx-002UlD-9T; Thu, 15 Mar 2018 22:51:35 -0400 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 07/42] clk: davinci: Add platform information for TI DM644x PLL Date: Thu, 15 Mar 2018 21:52:23 -0500 Message-Id: <1521168778-27236-8-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1521168778-27236-1-git-send-email-david@lechnology.com> References: <1521168778-27236-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180315_195337_157904_ACC4F6AA X-CRM114-Status: GOOD ( 11.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Lechner , Kevin Hilman , Stephen Boyd , Michael Turquette , Sekhar Nori , linux-kernel@vger.kernel.org, Bartosz Golaszewski , Rob Herring , Adam Ford MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This adds platform-specific declarations for the PLL clocks on TI DM644x based systems. Signed-off-by: David Lechner --- v8 changes: - drop __init and __initconst attributes - add a clkdev lookup for each SYSCLK v7 changes: - split registration functions for each PLL - Add platform_device_id lookup v6 changes: - Added dm644x_pll{1,2}_info with controller-specific information - Add empty lines between function calls drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/pll-dm644x.c | 80 ++++++++++++++++++++++++++++++++++++++++ drivers/clk/davinci/pll.c | 2 + drivers/clk/davinci/pll.h | 3 ++ 4 files changed, 86 insertions(+) create mode 100644 drivers/clk/davinci/pll-dm644x.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index 353aa02..59d8ab6 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -6,4 +6,5 @@ obj-$(CONFIG_ARCH_DAVINCI_DA830) += pll-da830.o obj-$(CONFIG_ARCH_DAVINCI_DA850) += pll-da850.o obj-$(CONFIG_ARCH_DAVINCI_DM355) += pll-dm355.o obj-$(CONFIG_ARCH_DAVINCI_DM365) += pll-dm365.o +obj-$(CONFIG_ARCH_DAVINCI_DM644x) += pll-dm644x.o endif diff --git a/drivers/clk/davinci/pll-dm644x.c b/drivers/clk/davinci/pll-dm644x.c new file mode 100644 index 0000000..69bf785 --- /dev/null +++ b/drivers/clk/davinci/pll-dm644x.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM644X + * + * Copyright (C) 2018 David Lechner + */ + +#include +#include +#include +#include + +#include "pll.h" + +static const struct davinci_pll_clk_info dm644x_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 1, + .pllm_max = 32, + .pllout_min_rate = 400000000, + .pllout_max_rate = 600000000, /* 810MHz @ 1.3V, -810 only */ + .flags = PLL_HAS_CLKMODE | PLL_HAS_POSTDIV, +}; + +SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, SYSCLK_FIXED_DIV); + +int dm644x_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm644x_pll1_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm644x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm644x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm644x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base); + clk_register_clkdev(clk, "pll1_sysclk5", "dm644x-psc"); + + clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + clk_register_clkdev(clk, "pll1_auxclk", "dm644x-psc"); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + return 0; +} + +static const struct davinci_pll_clk_info dm644x_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 1, + .pllm_max = 32, + .pllout_min_rate = 400000000, + .pllout_max_rate = 900000000, + .flags = PLL_HAS_POSTDIV | PLL_POSTDIV_FIXED_DIV, +}; + +SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, 0); +SYSCLK(2, pll2_sysclk2, pll2_pllen, 4, 0); + +int dm644x_pll2_init(struct device *dev, void __iomem *base) +{ + davinci_pll_clk_register(dev, &dm644x_pll2_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk2, base); + + davinci_pll_sysclkbp_clk_register(dev, "pll2_sysclkbp", base); + + return 0; +} diff --git a/drivers/clk/davinci/pll.c b/drivers/clk/davinci/pll.c index 3d8f4d2..0a1e68f 100644 --- a/drivers/clk/davinci/pll.c +++ b/drivers/clk/davinci/pll.c @@ -784,6 +784,8 @@ static const struct platform_device_id davinci_pll_id_table[] = { { .name = "dm355-pll2", .driver_data = (kernel_ulong_t)dm355_pll2_init }, { .name = "dm365-pll1", .driver_data = (kernel_ulong_t)dm365_pll1_init }, { .name = "dm365-pll2", .driver_data = (kernel_ulong_t)dm365_pll2_init }, + { .name = "dm644x-pll1", .driver_data = (kernel_ulong_t)dm644x_pll1_init }, + { .name = "dm644x-pll2", .driver_data = (kernel_ulong_t)dm644x_pll2_init }, { } }; diff --git a/drivers/clk/davinci/pll.h b/drivers/clk/davinci/pll.h index bf9fdc8..d8af4f5 100644 --- a/drivers/clk/davinci/pll.h +++ b/drivers/clk/davinci/pll.h @@ -132,4 +132,7 @@ int dm355_pll2_init(struct device *dev, void __iomem *base); int dm365_pll1_init(struct device *dev, void __iomem *base); int dm365_pll2_init(struct device *dev, void __iomem *base); +int dm644x_pll1_init(struct device *dev, void __iomem *base); +int dm644x_pll2_init(struct device *dev, void __iomem *base); + #endif /* __CLK_DAVINCI_PLL_H___ */