From patchwork Tue May 10 09:50:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 67414 Delivered-To: patch@linaro.org Received: by 10.140.92.199 with SMTP id b65csp2033036qge; Tue, 10 May 2016 02:52:26 -0700 (PDT) X-Received: by 10.66.26.110 with SMTP id k14mr57276935pag.66.1462873946913; Tue, 10 May 2016 02:52:26 -0700 (PDT) Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org. [2001:1868:205::9]) by mx.google.com with ESMTPS id b26si1941427pfj.138.2016.05.10.02.52.26 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 10 May 2016 02:52:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) client-ip=2001:1868:205::9; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@nifty.com; spf=pass (google.com: best guess record for domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) smtp.mailfrom=linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b04K5-0003dM-J2; Tue, 10 May 2016 09:51:25 +0000 Received: from conuserg-10.nifty.com ([210.131.2.77]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b04Jh-00038P-KM for linux-arm-kernel@lists.infradead.org; Tue, 10 May 2016 09:51:04 +0000 Received: from beagle.diag.org (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-10.nifty.com with ESMTP id u4A9o2q0001762; Tue, 10 May 2016 18:50:09 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com u4A9o2q0001762 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1462873809; bh=Izq65OmYMxAQZ7Z9AgVYrMS9o5Ndn2VL/ohRqc+OsLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M0XFtR4wPpD3Z/w4Zq37UvGEMJ67FpzwdLEAbjIIEHgerZJYEzHA4gjWLmuRw37v4 /y868OLHcZsP+Ax1yA7Fhb8dLJunmabRBwixIexJyWtIzxQVz7CqgakCWw3KfW/HK4 NXZ8MK4y4SeEwWlP6XL2nnHWpA+Xi/csfaV5cOKU6IGz8/2kABUkfDlP4gVXMQapzr +znMJvXR+ECsoU3xV9lKWriVVeAcwVxde1fo6xCIixLyFWpbLEyd1IkV2MC7BqNoWQ 0qS4Inq8bOXOa6NZBx7O3y1eXaDQCZJA7YwdeqBI9dlRqy4Gw528K3dfuYzqk/vkfb rIWN4xe2x1Xkg== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-clk@vger.kernel.org, Arnd Bergmann , Philipp Zabel Subject: [RFC PATCH 03/21] clk: uniphier: add clock driver for UniPhier PH1-LD4 SoC Date: Tue, 10 May 2016 18:50:44 +0900 Message-Id: <1462873862-30940-4-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1462873862-30940-1-git-send-email-yamada.masahiro@socionext.com> References: <1462873862-30940-1-git-send-email-yamada.masahiro@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160510_025102_142820_023F7098 X-CRM114-Status: GOOD ( 14.90 ) X-Spam-Score: -1.2 (-) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Masahiro Yamada , Michael Turquette , Stephen Boyd , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org This series is just for review. Please do not apply this patch. Signed-off-by: Masahiro Yamada --- drivers/clk/uniphier/Kconfig | 4 ++ drivers/clk/uniphier/Makefile | 2 + drivers/clk/uniphier/clk-uniphier-ld4.c | 112 ++++++++++++++++++++++++++++++++ 3 files changed, 118 insertions(+) create mode 100644 drivers/clk/uniphier/clk-uniphier-ld4.c -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel diff --git a/drivers/clk/uniphier/Kconfig b/drivers/clk/uniphier/Kconfig index f36529a..f5a7fbb 100644 --- a/drivers/clk/uniphier/Kconfig +++ b/drivers/clk/uniphier/Kconfig @@ -6,4 +6,8 @@ menuconfig CLK_UNIPHIER if CLK_UNIPHIER +config CLK_UNIPHIER_LD4 + tristate "Clock driver for UniPhier PH1-LD4 SoC" + default ARM + endif diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile index 4d6daa8..2ca2070 100644 --- a/drivers/clk/uniphier/Makefile +++ b/drivers/clk/uniphier/Makefile @@ -3,3 +3,5 @@ obj-y += clk-uniphier-fixed-factor.o obj-y += clk-uniphier-fixed-rate.o obj-y += clk-uniphier-gate.o obj-y += clk-uniphier-mux.o + +obj-$(CONFIG_CLK_UNIPHIER_LD4) += clk-uniphier-ld4.o diff --git a/drivers/clk/uniphier/clk-uniphier-ld4.c b/drivers/clk/uniphier/clk-uniphier-ld4.c new file mode 100644 index 0000000..229729a --- /dev/null +++ b/drivers/clk/uniphier/clk-uniphier-ld4.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include + +#include "clk-uniphier.h" + +static const struct uniphier_clk_data uniphier_ld4_clk_data[] = { + { + .name = "spll", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = -1, + .data.factor = { + .parent_name = "ref", + .mult = 65, + .div = 1, + }, + }, + { + .name = "upll", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = -1, + .data.factor = { + .parent_name = "ref", + .mult = 288000, + .div = 24576, + }, + }, + { + .name = "a2pll", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = -1, + .data.factor = { + .parent_name = "ref", + .mult = 24, + .div = 1, + }, + }, + { + .name = "uart", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = 0, + .data.factor = { + .parent_name = "a2pll", + .mult = 1, + .div = 16, + }, + }, + { + .name = "i2c", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = 1, + .data.factor = { + .parent_name = "spll", + .mult = 1, + .div = 16, + }, + }, + { + .name = "ehci", + .type = UNIPHIER_CLK_TYPE_FIXED_FACTOR, + .output_index = 5, + .data.factor = { + .parent_name = "upll", + .mult = 1, + .div = 12, + }, + }, + { + .name = "stdmac", + .type = UNIPHIER_CLK_TYPE_GATE, + .output_index = 7, + .data.gate = { + .parent_name = NULL, + .reg = 0x2104, + .mask = BIT(10), + .enable_val = BIT(10), + }, + }, + { /* sentinel */ } +}; + +static int uniphier_ld4_clk_probe(struct platform_device *pdev) +{ + return uniphier_clk_probe(pdev, uniphier_ld4_clk_data); +} + +static struct platform_driver uniphier_ld4_clk_driver = { + .probe = uniphier_ld4_clk_probe, + .remove = uniphier_clk_remove, + .driver = { + .name = "uniphier-ld4-clk", + }, +}; +module_platform_driver(uniphier_ld4_clk_driver); + +MODULE_AUTHOR("Masahiro Yamada "); +MODULE_DESCRIPTION("UniPhier PH1-LD4 System Clock Driver"); +MODULE_LICENSE("GPL");