arm-trusted-firmware/include/drivers/st/stm32mp1_clkfunc.h
Yann Gautier 0d21680c35 stm32mp1: update clock driver
Remove useless private structure in function prototypes.
Add a reference counter on clocks.
Prepare for future secured/shared/non-secured clocks.

Change-Id: I3dbed81721da5ceff5e10b2c4155b1e340c036ee
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Nicolas LE BAYON <nicolas.le.bayon@st.com>
2019-02-14 11:20:23 +01:00

33 lines
670 B
C

/*
* Copyright (c) 2017-2019, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef STM32MP1_CLKFUNC_H
#define STM32MP1_CLKFUNC_H
#include <stdbool.h>
#include <libfdt.h>
enum stm32mp_osc_id {
_HSI,
_HSE,
_CSI,
_LSI,
_LSE,
_I2S_CKIN,
NB_OSC,
_UNKNOWN_OSC_ID = 0xFF
};
extern const char *stm32mp_osc_node_label[NB_OSC];
int fdt_osc_read_freq(const char *name, uint32_t *freq);
bool fdt_osc_read_bool(enum stm32mp_osc_id osc_id, const char *prop_name);
uint32_t fdt_osc_read_uint32_default(enum stm32mp_osc_id osc_id,
const char *prop_name,
uint32_t dflt_value);
#endif /* STM32MP1_CLKFUNC_H */