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/*
* Purna Chandra Mandal,<purna.mandal@microchip.com>
* Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef __MICROCHIP_CLK_PIC32_H_
#define __MICROCHIP_CLK_PIC32_H_
#include <linux/clk-provider.h>
/* PIC32 clock data */
struct pic32_clk_common {
struct device *dev;
void __iomem *iobase;
spinlock_t reg_lock; /* clock lock */
};
/* System PLL clock */
struct pic32_sys_pll_data {
struct clk_init_data init_data;
const u32 ctrl_reg;
const u32 status_reg;
const u32 lock_mask;
};
/* System clock */
struct pic32_sys_clk_data {
struct clk_init_data init_data;
const u32 mux_reg;
const u32 slew_reg;
const u32 *parent_map;
const u32 slew_div;
};
/* Reference Oscillator clock */
struct pic32_ref_osc_data {
struct clk_init_data init_data;
const u32 ctrl_reg;
const u32 *parent_map;
};
/* Peripheral Bus clock */
struct pic32_periph_clk_data {
struct clk_init_data init_data;
const u32 ctrl_reg;
};
/* External Secondary Oscillator clock */
struct pic32_sec_osc_data {
struct clk_init_data init_data;
const u32 enable_reg;
const u32 status_reg;
const u32 enable_mask;
const u32 status_mask;
const unsigned long fixed_rate;
};
extern const struct clk_ops pic32_pbclk_ops;
extern const struct clk_ops pic32_sclk_ops;
extern const struct clk_ops pic32_sclk_no_div_ops;
extern const struct clk_ops pic32_spll_ops;
extern const struct clk_ops pic32_roclk_ops;
extern const struct clk_ops pic32_sosc_ops;
struct clk *pic32_periph_clk_register(const struct pic32_periph_clk_data *data,
struct pic32_clk_common *core);
struct clk *pic32_refo_clk_register(const struct pic32_ref_osc_data *data,
struct pic32_clk_common *core);
struct clk *pic32_sys_clk_register(const struct pic32_sys_clk_data *data,
struct pic32_clk_common *core);
struct clk *pic32_spll_clk_register(const struct pic32_sys_pll_data *data,
struct pic32_clk_common *core);
struct clk *pic32_sosc_clk_register(const struct pic32_sec_osc_data *data,
struct pic32_clk_common *core);
#endif /* __MICROCHIP_CLK_PIC32_H_*/
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