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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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97259e99bd
Move the different kinds of clocks into their own files. The reason is to aid readability of the code. This also goes along with the other SoC-specific clock drivers. The split introduces new structs for the three types of clocks and uses them. Other changes are not done to the code. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* Copyright (c) 2013, Steffen Trumtrar <s.trumtrar@pengutronix.de>
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*
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* based on drivers/clk/tegra/clk.h
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef __SOCFPGA_CLK_H
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#define __SOCFPGA_CLK_H
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#include <linux/clk-provider.h>
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#include <linux/clkdev.h>
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/* Clock Manager offsets */
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#define CLKMGR_CTRL 0x0
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#define CLKMGR_BYPASS 0x4
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#define CLKMGR_L4SRC 0x70
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#define CLKMGR_PERPLL_SRC 0xAC
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#define SOCFPGA_MAX_PARENTS 3
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extern void __iomem *clk_mgr_base_addr;
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void __init socfpga_pll_init(struct device_node *node);
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void __init socfpga_periph_init(struct device_node *node);
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void __init socfpga_gate_init(struct device_node *node);
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struct socfpga_pll {
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struct clk_gate hw;
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};
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struct socfpga_gate_clk {
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struct clk_gate hw;
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char *parent_name;
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u32 fixed_div;
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void __iomem *div_reg;
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u32 width; /* only valid if div_reg != 0 */
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u32 shift; /* only valid if div_reg != 0 */
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u32 clk_phase[2];
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};
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struct socfpga_periph_clk {
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struct clk_gate hw;
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char *parent_name;
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u32 fixed_div;
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};
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#endif /* SOCFPGA_CLK_H */
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