linux/drivers/clk/qcom/clk-hfpll.h
Stephen Boyd b3f2f10693 clk: qcom: Add support for High-Frequency PLLs (HFPLLs)
HFPLLs are the main frequency source for Krait CPU clocks. Add
support for changing the rate of these PLLs.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Craig Tatlor <ctatlor97@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2018-10-17 13:14:37 -07:00

45 lines
742 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __QCOM_CLK_HFPLL_H__
#define __QCOM_CLK_HFPLL_H__
#include <linux/clk-provider.h>
#include <linux/spinlock.h>
#include "clk-regmap.h"
struct hfpll_data {
u32 mode_reg;
u32 l_reg;
u32 m_reg;
u32 n_reg;
u32 user_reg;
u32 droop_reg;
u32 config_reg;
u32 status_reg;
u8 lock_bit;
u32 droop_val;
u32 config_val;
u32 user_val;
u32 user_vco_mask;
unsigned long low_vco_max_rate;
unsigned long min_rate;
unsigned long max_rate;
};
struct clk_hfpll {
struct hfpll_data const *d;
int init_done;
struct clk_regmap clkr;
spinlock_t lock;
};
#define to_clk_hfpll(_hw) \
container_of(to_clk_regmap(_hw), struct clk_hfpll, clkr)
extern const struct clk_ops clk_ops_hfpll;
#endif