1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Purna Chandra Mandal,<purna.mandal@microchip.com>
 4 * Copyright (C) 2015 Microchip Technology Inc.  All rights reserved.
 5 */
 6#ifndef __MICROCHIP_CLK_PIC32_H_
 7#define __MICROCHIP_CLK_PIC32_H_
 8
 9#include <linux/clk-provider.h>
10
11/* PIC32 clock data */
12struct pic32_clk_common {
13	struct device *dev;
14	void __iomem *iobase;
15	spinlock_t reg_lock; /* clock lock */
16};
17
18/* System PLL clock */
19struct pic32_sys_pll_data {
20	struct clk_init_data init_data;
21	const u32 ctrl_reg;
22	const u32 status_reg;
23	const u32 lock_mask;
24};
25
26/* System clock */
27struct pic32_sys_clk_data {
28	struct clk_init_data init_data;
29	const u32 mux_reg;
30	const u32 slew_reg;
31	const u32 *parent_map;
32	const u32 slew_div;
33};
34
35/* Reference Oscillator clock */
36struct pic32_ref_osc_data {
37	struct clk_init_data init_data;
38	const u32 ctrl_reg;
39	const u32 *parent_map;
40};
41
42/* Peripheral Bus clock */
43struct pic32_periph_clk_data {
44	struct clk_init_data init_data;
45	const u32 ctrl_reg;
46};
47
48/* External Secondary Oscillator clock  */
49struct pic32_sec_osc_data {
50	struct clk_init_data init_data;
51	const u32 enable_reg;
52	const u32 status_reg;
53	const u32 enable_mask;
54	const u32 status_mask;
55	const unsigned long fixed_rate;
56};
57
58extern const struct clk_ops pic32_pbclk_ops;
59extern const struct clk_ops pic32_sclk_ops;
60extern const struct clk_ops pic32_sclk_no_div_ops;
61extern const struct clk_ops pic32_spll_ops;
62extern const struct clk_ops pic32_roclk_ops;
63extern const struct clk_ops pic32_sosc_ops;
64
65struct clk *pic32_periph_clk_register(const struct pic32_periph_clk_data *data,
66				      struct pic32_clk_common *core);
67struct clk *pic32_refo_clk_register(const struct pic32_ref_osc_data *data,
68				    struct pic32_clk_common *core);
69struct clk *pic32_sys_clk_register(const struct pic32_sys_clk_data *data,
70				   struct pic32_clk_common *core);
71struct clk *pic32_spll_clk_register(const struct pic32_sys_pll_data *data,
72				    struct pic32_clk_common *core);
73struct clk *pic32_sosc_clk_register(const struct pic32_sec_osc_data *data,
74				    struct pic32_clk_common *core);
75
76#endif /* __MICROCHIP_CLK_PIC32_H_*/