f21c469dbc
Add driver for Marvell, Armada-37xx peripheral clock. Register clocks for various peripheral devices in north bridge or south bridge domain. Dump clock's domain while verbose boot. Reviewed by: Obtained from: Semihalf Differential revision: https://reviews.freebsd.org/D32294
113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2021 Semihalf.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/rman.h>
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#include <machine/bus.h>
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#include <dev/fdt/simplebus.h>
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#include <dev/extres/clk/clk.h>
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#include <dev/extres/clk/clk_div.h>
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#include <dev/extres/clk/clk_fixed.h>
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#include <dev/extres/clk/clk_gate.h>
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#include <dev/extres/clk/clk_mux.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include "clkdev_if.h"
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#include "periph.h"
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int
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a37x0_periph_create_mux(struct clkdom *clkdom,
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struct clk_mux_def *mux, int id)
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{
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int error;
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mux->clkdef.id = id;
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error = clknode_mux_register(clkdom, mux);
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if (error != 0) {
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printf("Failed to create %s: %d\n", mux->clkdef.name, error);
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return (error);
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}
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return (0);
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}
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int
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a37x0_periph_create_div(struct clkdom *clkdom,
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struct clk_div_def *div, int id)
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{
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int error;
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div->clkdef.id = id;
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error = clknode_div_register(clkdom, div);
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if (error != 0) {
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printf("Failed to register %s: %d\n", div->clkdef.name, error);
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return (error);
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}
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return (0);
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}
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int
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a37x0_periph_create_gate(struct clkdom *clkdom,
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struct clk_gate_def *gate, int id)
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{
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int error;
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gate->clkdef.id = id;
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error = clknode_gate_register(clkdom, gate);
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if (error != 0) {
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printf("Failed to create %s:%d\n", gate->clkdef.name, error);
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return (error);
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}
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return (0);
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}
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void
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a37x0_periph_set_props(struct clknode_init_def *clkdef,
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const char **parent_names, unsigned int parent_cnt)
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{
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clkdef->parent_names = parent_names;
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clkdef->parent_cnt = parent_cnt;
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}
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