mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 19:26:51 +07:00
1a7e7c388d
Some clocks in the Allwinner SoCs clocks unit are just simple gates. Add support for those clocks. Since it's a feature that can also be found in more complex clocks, provide a bunch of helpers that can be reused later on. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com> Link: lkml.kernel.org/r/20160629190535.11855-5-maxime.ripard@free-electrons.com
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
|
|
* 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_GATE_H_
|
|
#define _CCU_GATE_H_
|
|
|
|
#include <linux/clk-provider.h>
|
|
|
|
#include "ccu_common.h"
|
|
|
|
struct ccu_gate {
|
|
u32 enable;
|
|
|
|
struct ccu_common common;
|
|
};
|
|
|
|
#define SUNXI_CCU_GATE(_struct, _name, _parent, _reg, _gate, _flags) \
|
|
struct ccu_gate _struct = { \
|
|
.enable = _gate, \
|
|
.common = { \
|
|
.reg = _reg, \
|
|
.hw.init = CLK_HW_INIT(_name, \
|
|
_parent, \
|
|
&ccu_gate_ops, \
|
|
_flags), \
|
|
} \
|
|
}
|
|
|
|
static inline struct ccu_gate *hw_to_ccu_gate(struct clk_hw *hw)
|
|
{
|
|
struct ccu_common *common = hw_to_ccu_common(hw);
|
|
|
|
return container_of(common, struct ccu_gate, common);
|
|
}
|
|
|
|
void ccu_gate_helper_disable(struct ccu_common *common, u32 gate);
|
|
int ccu_gate_helper_enable(struct ccu_common *common, u32 gate);
|
|
int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate);
|
|
|
|
extern const struct clk_ops ccu_gate_ops;
|
|
|
|
#endif /* _CCU_GATE_H_ */
|