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Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:53904 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89) (envelope-from ) id 1eYN10-0009GR-8D; Sun, 07 Jan 2018 21:18:18 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 05/44] clk: davinci: Add platform information for TI DM355 PLL Date: Sun, 7 Jan 2018 20:17:04 -0600 Message-Id: <1515377863-20358-6-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1515377863-20358-1-git-send-email-david@lechnology.com> References: <1515377863-20358-1-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-20180107_181831_361319_18ADBE4A X-CRM114-Status: GOOD ( 10.64 ) 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, 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 DaVinci 355 based systems. Signed-off-by: David Lechner Reviewed-by: Sekhar Nori --- drivers/clk/davinci/Makefile | 1 + drivers/clk/davinci/pll-dm355.c | 40 ++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 42 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..972fd2b --- /dev/null +++ b/drivers/clk/davinci/pll-dm355.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM355 + * + * Copyright (C) 2017 David Lechner + */ + +#include +#include + +#include "pll.h" + +static const struct davinci_pll_divclk_info dm355_pll1_divclk_info[] __initconst = { + DIVCLK(1, pll1_sysclk1, pll1, DIVCLK_FIXED_DIV), + DIVCLK(2, pll1_sysclk2, pll1, DIVCLK_FIXED_DIV), + DIVCLK(3, pll1_sysclk3, pll1, 0), + DIVCLK(4, pll1_sysclk4, pll1, 0), + { } +}; + +static const struct davinci_pll_divclk_info dm355_pll2_divclk_info[] __initconst = { + DIVCLK(1, pll2_sysclk1, pll2, DIVCLK_FIXED_DIV), + { } +}; + +void __init dm355_pll_clk_init(void __iomem *pll1, void __iomem *pll2) +{ + const struct davinci_pll_divclk_info *info; + + davinci_pll_clk_register("pll1", "ref_clk", pll1); + for (info = dm355_pll1_divclk_info; info->name; info++) + davinci_pll_divclk_register(info, pll1); + davinci_pll_aux_clk_register("pll1_aux_clk", "ref_clk", pll1); + davinci_pll_bpdiv_clk_register("pll1_sysclkbp", "ref_clk", pll1); + + davinci_pll_clk_register("pll2", "ref_clk", pll2); + for (info = dm355_pll2_divclk_info; info->name; info++) + davinci_pll_divclk_register(info, pll2); + davinci_pll_bpdiv_clk_register("pll2_sysclkbp", "ref_clk", pll2); +} diff --git a/include/linux/clk/davinci.h b/include/linux/clk/davinci.h index 7b08fe0..95333fe 100644 --- a/include/linux/clk/davinci.h +++ b/include/linux/clk/davinci.h @@ -11,5 +11,6 @@ void da830_pll_clk_init(void __iomem *pll); void da850_pll_clk_init(void __iomem *pll0, void __iomem *pll1); +void dm355_pll_clk_init(void __iomem *pll1, void __iomem *pll2); #endif /* __LINUX_CLK_DAVINCI_H__ */