From patchwork Mon Feb 19 20:21:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 10228889 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 B71CC60392 for ; Mon, 19 Feb 2018 20:25:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A7C89287F0 for ; Mon, 19 Feb 2018 20:25:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9C6CA28B86; Mon, 19 Feb 2018 20:25:35 +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=ham 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 D0F43287F0 for ; Mon, 19 Feb 2018 20:25:34 +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=X/HLNvgXGIogGESuYVTevjka2wyRgKqL+Vopd1j+VIw=; b=Aw9tP2en81tENCnEWiUZsjsQ5E ahz0/4zj/c8ptbTcq7cvN3uxyLEOmP8wg9zRQegQ+thHhthpcz7fRMUY79UguXBTrFQEeXsrfkzsh NJY/ICvKaKpGeBBL+vkfD+jx+xTLLI+KxzwYA9eg8QE5X33tsu5zL8xv5Oom6bIK5PvItEIhu34bL n1R4SEk9pRu3KR1gJRzupb5W+tRkTSRHaJBbcuN090J/7lafB6ng+RPXoe/34XEIKx/DgbtOL5b8E VQg76IIdX9h1/vK45dD3rRHK5J7TlflNSeOSlEQ2MObpPs+KvfdptTXh4R6CnLE5UgVRcJ2ZO8sC8 ZBjacbZA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ens05-0004T9-9G; Mon, 19 Feb 2018 20:25:25 +0000 Received: from vern.gendns.com ([206.190.152.46]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1enrxX-0002gl-W0 for linux-arm-kernel@lists.infradead.org; Mon, 19 Feb 2018 20:22:53 +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=iHAvtWHponFHwhKyiSM1HtR54XGHfX0+OnQeJKhe+z8=; b=AGZCdsoZgFuD1cF8mjraORkJn pAXgON+r9kjdIMXIermyDhxBink5U8pbqebsAJsZ4QIrPzfaV5Ca5wipIX1YYRcY8G7DnGsr1pgd/ rYg7CeJlPrPFHIYWDMUEJwVsXykuj2zTrTOloDd2vTtldfm2Dsa9cKiGSPp80TPrNa9McSVetbepY tUTI2spj8U6s6NwBWR6UnkpOCpYCxpwmTLXtPjrij6+h1w8X+yCScZx4SZqw5B2rnf7DLJejmeRUc VUbYWG3gg+XptC1HIqn1NrWsVWwlfDEFKuYItjth5tIt/yQXUZapIS3yc/ux3FzEOhWRFG7MuePPq ndVF6tC3w==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:48842 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1enrwB-003xBV-P2; Mon, 19 Feb 2018 15:21:23 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 05/42] clk: davinci: Add platform information for TI DM355 PLL Date: Mon, 19 Feb 2018 14:21:26 -0600 Message-Id: <1519071723-31790-6-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1519071723-31790-1-git-send-email-david@lechnology.com> References: <1519071723-31790-1-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-20180219_122248_221022_0666471B X-CRM114-Status: GOOD ( 13.58 ) 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 DM355 based systems. Signed-off-by: David Lechner --- v7 changes: - split registration functions for each PLL - Add platform_device_id lookup v6 changes: - Added dm355_pll{1,2}_info with controller-specific information - Add empty lines between function calls drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/pll-dm355.c | 75 +++++++++++++++++++++++++++++++++++++++++ drivers/clk/davinci/pll.c | 2 ++ drivers/clk/davinci/pll.h | 3 ++ 4 files changed, 81 insertions(+) create mode 100644 drivers/clk/davinci/pll-dm355.c diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile index 13049d4..6720bd0 100644 --- a/drivers/clk/davinci/Makefile +++ b/drivers/clk/davinci/Makefile @@ -4,4 +4,5 @@ ifeq ($(CONFIG_COMMON_CLK), y) obj-y += pll.o obj-$(CONFIG_ARCH_DAVINCI_DA830) += pll-da830.o obj-$(CONFIG_ARCH_DAVINCI_DA850) += pll-da850.o +obj-$(CONFIG_ARCH_DAVINCI_DM355) += pll-dm355.o endif diff --git a/drivers/clk/davinci/pll-dm355.c b/drivers/clk/davinci/pll-dm355.c new file mode 100644 index 0000000..88bf310 --- /dev/null +++ b/drivers/clk/davinci/pll-dm355.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM355 + * + * Copyright (C) 2018 David Lechner + */ + +#include +#include +#include + +#include "pll.h" + +static const struct davinci_pll_clk_info dm355_pll1_info __initconst = { + .name = "pll1", + .pllm_mask = GENMASK(7, 0), + .pllm_min = 92, + .pllm_max = 184, + .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | + PLL_PREDIV_FIXED8 | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV, +}; + +static const struct davinci_pll_sysclk_info dm355_pll1_sysclk_info[] __initconst = { + SYSCLK(1, pll1_sysclk1, pll1, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED), + SYSCLK(2, pll1_sysclk2, pll1, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED), + SYSCLK(3, pll1_sysclk3, pll1, 5, SYSCLK_ALWAYS_ENABLED), + SYSCLK(4, pll1_sysclk4, pll1, 5, SYSCLK_ALWAYS_ENABLED), + { } +}; + +static const struct davinci_pll_clk_info dm355_pll2_info __initconst = { + .name = "pll2", + .pllm_mask = GENMASK(7, 0), + .pllm_min = 92, + .pllm_max = 184, + .flags = PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV, +}; + +static const struct davinci_pll_sysclk_info dm355_pll2_sysclk_info[] __initconst = { + SYSCLK(1, pll2_sysclk1, pll2, 5, SYSCLK_FIXED_DIV), + SYSCLK(2, pll2_sysclk2, pll2, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED), + { } +}; + +int __init dm355_pll1_init(struct device *dev, void __iomem *base) +{ + const struct davinci_pll_sysclk_info *info; + + davinci_pll_clk_register(dev, &dm355_pll1_info, "ref_clk", base); + + for (info = dm355_pll1_sysclk_info; info->name; info++) + davinci_pll_sysclk_register(dev, info, base); + + davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + return 0; +} + +int __init dm355_pll2_init(struct device *dev, void __iomem *base) +{ + const struct davinci_pll_sysclk_info *info; + + davinci_pll_clk_register(dev, &dm355_pll2_info, "oscin", base); + + for (info = dm355_pll2_sysclk_info; info->name; info++) + davinci_pll_sysclk_register(dev, info, 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 7c56397..f72ea30 100644 --- a/drivers/clk/davinci/pll.c +++ b/drivers/clk/davinci/pll.c @@ -756,6 +756,8 @@ static const struct platform_device_id davinci_pll_id_table[] = { { .name = "da830-pll", .driver_data = (kernel_ulong_t)da830_pll_init }, { .name = "da850-pll0", .driver_data = (kernel_ulong_t)da850_pll0_init }, { .name = "da850-pll1", .driver_data = (kernel_ulong_t)da850_pll1_init }, + { .name = "dm355-pll1", .driver_data = (kernel_ulong_t)dm355_pll1_init }, + { .name = "dm355-pll2", .driver_data = (kernel_ulong_t)dm355_pll2_init }, { } }; diff --git a/drivers/clk/davinci/pll.h b/drivers/clk/davinci/pll.h index 545a156..6bd73d7 100644 --- a/drivers/clk/davinci/pll.h +++ b/drivers/clk/davinci/pll.h @@ -126,4 +126,7 @@ int da850_pll1_init(struct device *dev, void __iomem *base); int of_da850_pll0_init(struct device *dev, void __iomem *base); int of_da850_pll1_init(struct device *dev, void __iomem *base); +int dm355_pll1_init(struct device *dev, void __iomem *base); +int dm355_pll2_init(struct device *dev, void __iomem *base); + #endif /* __CLK_DAVINCI_PLL_H___ */