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clk: sunxi-ng: Add common infrastructure

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Start our new clock infrastructure by adding the registration code, common
structure and common code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-3-maxime.ripard@free-electrons.com
This commit is contained in:
Maxime Ripard
2016-06-29 21:05:23 +02:00
committed by Michael Turquette
parent c0692d68a8
commit 1d80c14248
9 changed files with 293 additions and 0 deletions
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40
drivers/clk/sunxi-ng/ccu_reset.h Normal file
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/*
* Copyright (c) 2016 Maxime Ripard. All rights reserved.
*
* 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.
*/
#ifndef _CCU_RESET_H_
#define _CCU_RESET_H_
#include <linux/reset-controller.h>
struct ccu_reset_map {
u16 reg;
u32 bit;
};
struct ccu_reset {
void __iomem *base;
struct ccu_reset_map *reset_map;
spinlock_t *lock;
struct reset_controller_dev rcdev;
};
static inline struct ccu_reset *rcdev_to_ccu_reset(struct reset_controller_dev *rcdev)
{
return container_of(rcdev, struct ccu_reset, rcdev);
}
extern const struct reset_control_ops ccu_reset_ops;
#endif /* _CCU_RESET_H_ */