linux/drivers/clk/sunxi-ng/ccu_common.h
Thomas Gleixner 9c92ab6191 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
Based on 1 normalized pattern(s):

  this software is licensed under the terms of the gnu general public
  license version 2 as published by the free software foundation and
  may be copied distributed and modified under those terms this
  program is distributed in the hope that 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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 285 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:36:37 +02:00

70 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
*/
#ifndef _COMMON_H_
#define _COMMON_H_
#include <linux/compiler.h>
#include <linux/clk-provider.h>
#define CCU_FEATURE_FRACTIONAL BIT(0)
#define CCU_FEATURE_VARIABLE_PREDIV BIT(1)
#define CCU_FEATURE_FIXED_PREDIV BIT(2)
#define CCU_FEATURE_FIXED_POSTDIV BIT(3)
#define CCU_FEATURE_ALL_PREDIV BIT(4)
#define CCU_FEATURE_LOCK_REG BIT(5)
#define CCU_FEATURE_MMC_TIMING_SWITCH BIT(6)
#define CCU_FEATURE_SIGMA_DELTA_MOD BIT(7)
/* MMC timing mode switch bit */
#define CCU_MMC_NEW_TIMING_MODE BIT(30)
struct device_node;
struct ccu_common {
void __iomem *base;
u16 reg;
u16 lock_reg;
u32 prediv;
unsigned long features;
spinlock_t *lock;
struct clk_hw hw;
};
static inline struct ccu_common *hw_to_ccu_common(struct clk_hw *hw)
{
return container_of(hw, struct ccu_common, hw);
}
struct sunxi_ccu_desc {
struct ccu_common **ccu_clks;
unsigned long num_ccu_clks;
struct clk_hw_onecell_data *hw_clks;
struct ccu_reset_map *resets;
unsigned long num_resets;
};
void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock);
struct ccu_pll_nb {
struct notifier_block clk_nb;
struct ccu_common *common;
u32 enable;
u32 lock;
};
#define to_ccu_pll_nb(_nb) container_of(_nb, struct ccu_pll_nb, clk_nb)
int ccu_pll_notifier_register(struct ccu_pll_nb *pll_nb);
int sunxi_ccu_probe(struct device_node *node, void __iomem *reg,
const struct sunxi_ccu_desc *desc);
#endif /* _COMMON_H_ */