56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
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/*
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* TI clock support
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*
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* Copyright (C) 2013 Texas Instruments, Inc.
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*
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* Tero Kristo <t-kristo@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/clk-provider.h>
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#include <linux/clkdev.h>
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#include <linux/clk/ti.h>
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#include <linux/of.h>
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#undef pr_fmt
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#define pr_fmt(fmt) "%s: " fmt, __func__
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/**
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* ti_dt_clocks_register - register DT alias clocks during boot
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* @oclks: list of clocks to register
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*
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* Register alias or non-standard DT clock entries during boot. By
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* default, DT clocks are found based on their node name. If any
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* additional con-id / dev-id -> clock mapping is required, use this
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* function to list these.
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*/
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void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
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{
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struct ti_dt_clk *c;
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struct device_node *node;
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struct clk *clk;
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struct of_phandle_args clkspec;
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for (c = oclks; c->node_name != NULL; c++) {
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node = of_find_node_by_name(NULL, c->node_name);
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clkspec.np = node;
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clk = of_clk_get_from_provider(&clkspec);
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if (!IS_ERR(clk)) {
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c->lk.clk = clk;
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clkdev_add(&c->lk);
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} else {
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pr_warn("failed to lookup clock node %s\n",
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c->node_name);
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}
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}
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}
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