77 строки
2.1 KiB
C
77 строки
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Purna Chandra Mandal,<purna.mandal@microchip.com>
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* Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
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*/
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#ifndef __MICROCHIP_CLK_PIC32_H_
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#define __MICROCHIP_CLK_PIC32_H_
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#include <linux/clk-provider.h>
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/* PIC32 clock data */
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struct pic32_clk_common {
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struct device *dev;
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void __iomem *iobase;
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spinlock_t reg_lock; /* clock lock */
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};
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/* System PLL clock */
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struct pic32_sys_pll_data {
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struct clk_init_data init_data;
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const u32 ctrl_reg;
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const u32 status_reg;
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const u32 lock_mask;
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};
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/* System clock */
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struct pic32_sys_clk_data {
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struct clk_init_data init_data;
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const u32 mux_reg;
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const u32 slew_reg;
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const u32 *parent_map;
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const u32 slew_div;
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};
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/* Reference Oscillator clock */
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struct pic32_ref_osc_data {
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struct clk_init_data init_data;
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const u32 ctrl_reg;
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const u32 *parent_map;
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};
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/* Peripheral Bus clock */
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struct pic32_periph_clk_data {
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struct clk_init_data init_data;
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const u32 ctrl_reg;
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};
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/* External Secondary Oscillator clock */
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struct pic32_sec_osc_data {
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struct clk_init_data init_data;
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const u32 enable_reg;
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const u32 status_reg;
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const u32 enable_mask;
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const u32 status_mask;
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const unsigned long fixed_rate;
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};
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extern const struct clk_ops pic32_pbclk_ops;
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extern const struct clk_ops pic32_sclk_ops;
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extern const struct clk_ops pic32_sclk_no_div_ops;
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extern const struct clk_ops pic32_spll_ops;
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extern const struct clk_ops pic32_roclk_ops;
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extern const struct clk_ops pic32_sosc_ops;
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struct clk *pic32_periph_clk_register(const struct pic32_periph_clk_data *data,
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struct pic32_clk_common *core);
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struct clk *pic32_refo_clk_register(const struct pic32_ref_osc_data *data,
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struct pic32_clk_common *core);
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struct clk *pic32_sys_clk_register(const struct pic32_sys_clk_data *data,
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struct pic32_clk_common *core);
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struct clk *pic32_spll_clk_register(const struct pic32_sys_pll_data *data,
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struct pic32_clk_common *core);
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struct clk *pic32_sosc_clk_register(const struct pic32_sec_osc_data *data,
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struct pic32_clk_common *core);
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#endif /* __MICROCHIP_CLK_PIC32_H_*/
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