From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E9F9C433DB for ; Wed, 20 Jan 2021 13:12:39 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 32A0D22210 for ; Wed, 20 Jan 2021 13:12:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32A0D22210 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version: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=zaZ/xOWX7NFSU3UP8GPa+BxlPh9T9mrqPN63XrLIcHY=; b=xpqwQfSS3lfYHGAjE1JpTy+tP ou4n7x9FmViRUqa0SkHaMryTk8AYN278jskX1xTvFJspLk7aZ6WikEGrEGPYw3mvf1SnAHVVzBTi4 aH75HMpdfAxsT8LipBKIXOuk9OOzCu+R+udCCmRCvrHMul1PjBWZxz1g7J6NjC2e6FHxY4JvqxhYH fD1EGSovINGNYSdcmJaytI04i+YAK0/Ud2Laq27InXQAWNZCEXSsxkNC/bWipKtqLHSss1PtjcVpm +AxXMB/NlpBgq8Rz/5zTXX5m+nNEPnuU9mHs1tkNBh15K4+RxXIXgonl8cRvP15mzst1g45JmDY1N gW82hnflQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2DG1-0006uC-HN; Wed, 20 Jan 2021 13:10:45 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l2DFu-0006sP-MJ for linux-arm-kernel@lists.infradead.org; Wed, 20 Jan 2021 13:10:43 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8B74623139; Wed, 20 Jan 2021 13:10:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611148238; bh=/n5jpX+Dga0L4p7HwpIfjYOcjPdDWZ/CVpwJlDNpSAg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fsCHHXHNopSEqcUuWJtVqPqqbKUWcWdm4uLEhBdMfs7dWH/zXXsn9LOVtPCDFGup4 LqQqS1TCKnLWwZ1lsztvdxQMTDkoMx5/ZeOQlo/s+3iZ/Xqxwwt+vBnBDyc+aXfjqG o1kTtHYggstYj425ZIeb27S6DcSNQoNHzTCzzoZQ6qvrzxmtT7yCOpa+GHV7/WM4lq lt64Uz7a5o7yRN3h2I1yuwNB4Hst1cAafobzcwx/Z2ni42OaXMCx0hRjB4UEY7mvBX d741IsKW/R+ej6rGwqJY3uPTaX9lJpzWmZtAKUk/N/6YiDR4IaYNiHOW7dKaf0AUSE EVgD6BNPYm5Kg== From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Michael Turquette , Stephen Boyd Subject: [PATCH 1/4] clk: remove tango4 driver Date: Wed, 20 Jan 2021 14:10:23 +0100 Message-Id: <20210120131026.1721788-2-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210120131026.1721788-1-arnd@kernel.org> References: <20210120131026.1721788-1-arnd@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210120_081038_913321_9C192D1B X-CRM114-Status: GOOD ( 17.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mans Rullgard , Arnd Bergmann , Marc Gonzalez Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Arnd Bergmann The tango platform is getting removed, so the driver is no longer needed. Cc: Marc Gonzalez Cc: Mans Rullgard Signed-off-by: Arnd Bergmann --- .../bindings/clock/tango4-clock.txt | 23 ----- drivers/clk/Makefile | 1 - drivers/clk/clk-tango4.c | 85 ------------------- 3 files changed, 109 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/tango4-clock.txt delete mode 100644 drivers/clk/clk-tango4.c diff --git a/Documentation/devicetree/bindings/clock/tango4-clock.txt b/Documentation/devicetree/bindings/clock/tango4-clock.txt deleted file mode 100644 index 19c580a7bda2..000000000000 --- a/Documentation/devicetree/bindings/clock/tango4-clock.txt +++ /dev/null @@ -1,23 +0,0 @@ -* Sigma Designs Tango4 Clock Generator - -The Tango4 clock generator outputs cpu_clk and sys_clk (the latter is used -for RAM and various peripheral devices). The clock binding described here -is applicable to all Tango4 SoCs. - -Required Properties: - -- compatible: should be "sigma,tango4-clkgen". -- reg: physical base address of the device and length of memory mapped region. -- clocks: phandle of the input clock (crystal oscillator). -- clock-output-names: should be "cpuclk" and "sysclk". -- #clock-cells: should be set to 1. - -Example: - - clkgen: clkgen@10000 { - compatible = "sigma,tango4-clkgen"; - reg = <0x10000 0x40>; - clocks = <&xtal>; - clock-output-names = "cpuclk", "sysclk"; - #clock-cells = <1>; - }; diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index dbdc590e7de3..adf05704336e 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -63,7 +63,6 @@ obj-$(CONFIG_COMMON_CLK_SI570) += clk-si570.o obj-$(CONFIG_COMMON_CLK_STM32F) += clk-stm32f4.o obj-$(CONFIG_COMMON_CLK_STM32H7) += clk-stm32h7.o obj-$(CONFIG_COMMON_CLK_STM32MP157) += clk-stm32mp1.o -obj-$(CONFIG_ARCH_TANGO) += clk-tango4.o obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o obj-$(CONFIG_ARCH_U300) += clk-u300.o obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o diff --git a/drivers/clk/clk-tango4.c b/drivers/clk/clk-tango4.c deleted file mode 100644 index fe12a43f7a40..000000000000 --- a/drivers/clk/clk-tango4.c +++ /dev/null @@ -1,85 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include -#include -#include -#include -#include - -#define CLK_COUNT 4 /* cpu_clk, sys_clk, usb_clk, sdio_clk */ -static struct clk *clks[CLK_COUNT]; -static struct clk_onecell_data clk_data = { clks, CLK_COUNT }; - -#define SYSCLK_DIV 0x20 -#define CPUCLK_DIV 0x24 -#define DIV_BYPASS BIT(23) - -/*** CLKGEN_PLL ***/ -#define extract_pll_n(val) ((val >> 0) & ((1u << 7) - 1)) -#define extract_pll_k(val) ((val >> 13) & ((1u << 3) - 1)) -#define extract_pll_m(val) ((val >> 16) & ((1u << 3) - 1)) -#define extract_pll_isel(val) ((val >> 24) & ((1u << 3) - 1)) - -static void __init make_pll(int idx, const char *parent, void __iomem *base) -{ - char name[8]; - u32 val, mul, div; - - sprintf(name, "pll%d", idx); - val = readl(base + idx * 8); - mul = extract_pll_n(val) + 1; - div = (extract_pll_m(val) + 1) << extract_pll_k(val); - clk_register_fixed_factor(NULL, name, parent, 0, mul, div); - if (extract_pll_isel(val) != 1) - panic("%s: input not set to XTAL_IN\n", name); -} - -static void __init make_cd(int idx, void __iomem *base) -{ - char name[8]; - u32 val, mul, div; - - sprintf(name, "cd%d", idx); - val = readl(base + idx * 8); - mul = 1 << 27; - div = (2 << 27) + val; - clk_register_fixed_factor(NULL, name, "pll2", 0, mul, div); - if (val > 0xf0000000) - panic("%s: unsupported divider %x\n", name, val); -} - -static void __init tango4_clkgen_setup(struct device_node *np) -{ - struct clk **pp = clk_data.clks; - void __iomem *base = of_iomap(np, 0); - const char *parent = of_clk_get_parent_name(np, 0); - - if (!base) - panic("%pOFn: invalid address\n", np); - - if (readl(base + CPUCLK_DIV) & DIV_BYPASS) - panic("%pOFn: unsupported cpuclk setup\n", np); - - if (readl(base + SYSCLK_DIV) & DIV_BYPASS) - panic("%pOFn: unsupported sysclk setup\n", np); - - writel(0x100, base + CPUCLK_DIV); /* disable frequency ramping */ - - make_pll(0, parent, base); - make_pll(1, parent, base); - make_pll(2, parent, base); - make_cd(2, base + 0x80); - make_cd(6, base + 0x80); - - pp[0] = clk_register_divider(NULL, "cpu_clk", "pll0", 0, - base + CPUCLK_DIV, 8, 8, CLK_DIVIDER_ONE_BASED, NULL); - pp[1] = clk_register_fixed_factor(NULL, "sys_clk", "pll1", 0, 1, 4); - pp[2] = clk_register_fixed_factor(NULL, "usb_clk", "cd2", 0, 1, 2); - pp[3] = clk_register_fixed_factor(NULL, "sdio_clk", "cd6", 0, 1, 2); - - if (IS_ERR(pp[0]) || IS_ERR(pp[1]) || IS_ERR(pp[2]) || IS_ERR(pp[3])) - panic("%pOFn: clk registration failed\n", np); - - if (of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data)) - panic("%pOFn: clk provider registration failed\n", np); -} -CLK_OF_DECLARE(tango4_clkgen, "sigma,tango4-clkgen", tango4_clkgen_setup); -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel