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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2013, The Linux Foundation. All rights reserved. */
#ifndef __QCOM_CLK_BRANCH_H__
#define __QCOM_CLK_BRANCH_H__
#include <linux/clk-provider.h>
#include "clk-regmap.h"
/**
* struct clk_branch - gating clock with status bit and dynamic hardware gating
*
* @hwcg_reg: dynamic hardware clock gating register
* @hwcg_bit: ORed with @hwcg_reg to enable dynamic hardware clock gating
* @halt_reg: halt register
* @halt_bit: ANDed with @halt_reg to test for clock halted
* @halt_check: type of halt checking to perform
* @clkr: handle between common and hardware-specific interfaces
*
* Clock which can gate its output.
*/
struct clk_branch {
u32 hwcg_reg;
u32 halt_reg;
u8 hwcg_bit;
u8 halt_bit;
u8 halt_check;
#define BRANCH_VOTED BIT(7) /* Delay on disable */
#define BRANCH_HALT 0 /* pol: 1 = halt */
#define BRANCH_HALT_VOTED (BRANCH_HALT | BRANCH_VOTED)
#define BRANCH_HALT_ENABLE 1 /* pol: 0 = halt */
#define BRANCH_HALT_ENABLE_VOTED (BRANCH_HALT_ENABLE | BRANCH_VOTED)
#define BRANCH_HALT_DELAY 2 /* No bit to check; just delay */
#define BRANCH_HALT_SKIP 3 /* Don't check halt bit */
struct clk_regmap clkr;
};
extern const struct clk_ops clk_branch_ops;
extern const struct clk_ops clk_branch2_ops;
extern const struct clk_ops clk_branch_simple_ops;
#define to_clk_branch(_hw) \
container_of(to_clk_regmap(_hw), struct clk_branch, clkr)
#endif
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