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Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:53590 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1ecwix-00059q-Ki; Sat, 20 Jan 2018 12:14:35 -0500 From: David Lechner To: linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 05/41] clk: davinci: Add platform information for TI DM355 PLL Date: Sat, 20 Jan 2018 11:13:44 -0600 Message-Id: <1516468460-4908-6-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516468460-4908-1-git-send-email-david@lechnology.com> References: <1516468460-4908-1-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-20180120_171616_682068_BF2D003B X-CRM114-Status: GOOD ( 14.20 ) 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 --- 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 | 66 +++++++++++++++++++++++++++++++++++++++++ include/linux/clk/davinci.h | 1 + 3 files changed, 68 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..ac93c52 --- /dev/null +++ b/drivers/clk/davinci/pll-dm355.c @@ -0,0 +1,66 @@ +// 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_OSCIN | 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), + { } +}; + +void __init dm355_pll_clk_init(void __iomem *pll1, void __iomem *pll2) +{ + const struct davinci_pll_sysclk_info *info; + + davinci_pll_clk_register(&dm355_pll1_info, "ref_clk", pll1); + + for (info = dm355_pll1_sysclk_info; info->name; info++) + davinci_pll_sysclk_register(info, pll1); + + davinci_pll_auxclk_register("pll1_auxclk", pll1); + + davinci_pll_sysclkbp_clk_register("pll1_sysclkbp", pll1); + + davinci_pll_clk_register(&dm355_pll2_info, "oscin", pll2); + + for (info = dm355_pll2_sysclk_info; info->name; info++) + davinci_pll_sysclk_register(info, pll2); + + davinci_pll_sysclkbp_clk_register("pll2_sysclkbp", 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__ */