linux/drivers/clk/baikal-t1/ccu-pll.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
 *
 * Baikal-T1 CCU PLL interface driver
 */
#ifndef __CLK_BT1_CCU_PLL_H__
#define __CLK_BT1_CCU_PLL_H__

#include <linux/clk-provider.h>
#include <linux/spinlock.h>
#include <linux/regmap.h>
#include <linux/bits.h>
#include <linux/of.h>

/*
 * CCU PLL private flags
 * @CCU_PLL_BASIC: Basic PLL required by the kernel as early as possible.
 */
#define CCU_PLL_BASIC …

/*
 * struct ccu_pll_init_data - CCU PLL initialization data
 * @id: Clock private identifier.
 * @name: Clocks name.
 * @parent_name: Clocks parent name in a fw node.
 * @base: PLL registers base address with respect to the sys_regs base.
 * @sys_regs: Baikal-T1 System Controller registers map.
 * @np: Pointer to the node describing the CCU PLLs.
 * @flags: PLL clock flags.
 * @features: PLL private features.
 */
struct ccu_pll_init_data { … };

/*
 * struct ccu_pll - CCU PLL descriptor
 * @hw: clk_hw of the PLL.
 * @id: Clock private identifier.
 * @reg_ctl: PLL control register base.
 * @reg_ctl1: PLL control1 register base.
 * @sys_regs: Baikal-T1 System Controller registers map.
 * @lock: PLL state change spin-lock.
 */
struct ccu_pll { … };
#define to_ccu_pll(_hw) …

static inline struct clk_hw *ccu_pll_get_clk_hw(struct ccu_pll *pll)
{ … }

struct ccu_pll *ccu_pll_hw_register(const struct ccu_pll_init_data *init);

void ccu_pll_hw_unregister(struct ccu_pll *pll);

#endif /* __CLK_BT1_CCU_PLL_H__ */