freebsd-dev/sys/dev/qcom_gcc/qcom_gcc_ipq4018_var.h
Adrian Chadd cd32ac640b Add support for qualcomm clock nodes the the IPQ4018/IPQ4019 clock tree.
Summary: I've tested this with cpufreq_dt, SPI and USB.  They all seem to work fine.

Test Plan: * IPQ4018, boot

Subscribers: imp, andrew

Differential Revision: https://reviews.freebsd.org/D33665
2021-12-27 13:02:31 -08:00

68 lines
2.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2021 Adrian Chadd <adrian@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __QCOM_GCC_IPQ4018_VAR_H__
#define __QCOM_GCC_IPQ4018_VAR_H__
struct qcom_gcc_ipq4018_reset_entry {
uint32_t reg;
uint32_t bit;
};
struct qcom_gcc_ipq4018_softc {
device_t dev;
int reg_rid;
struct resource *reg;
struct mtx mtx;
struct clkdom *clkdom;
};
/*
* reset block
*/
extern int qcom_gcc_ipq4018_hwreset_assert(device_t dev, intptr_t id,
bool reset);
extern int qcom_gcc_ipq4018_hwreset_is_asserted(device_t dev, intptr_t id,
bool *reset);
/*
* clock block
*/
extern int qcom_gcc_ipq4018_clock_read(device_t dev, bus_addr_t addr,
uint32_t *val);
extern int qcom_gcc_ipq4018_clock_write(device_t dev, bus_addr_t addr,
uint32_t val);
extern int qcom_gcc_ipq4018_clock_modify(device_t dev, bus_addr_t addr,
uint32_t clear_mask, uint32_t set_mask);
extern void qcom_gcc_ipq4018_clock_setup(struct qcom_gcc_ipq4018_softc *sc);
extern void qcom_gcc_ipq4018_clock_lock(device_t dev);
extern void qcom_gcc_ipq4018_clock_unlock(device_t dev);
#endif /* __QCOM_GCC_IPQ4018_VAR_H__ */