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/*
* Copyright 2013 Emilio López
*
* Emilio López <emilio@elopez.com.ar>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
#define SUN4I_CODEC_GATE 31
static void __init sun4i_codec_clk_setup(struct device_node *node)
{
struct clk *clk;
const char *clk_name = node->name, *parent_name;
void __iomem *reg;
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg))
return;
of_property_read_string(node, "clock-output-names", &clk_name);
parent_name = of_clk_get_parent_name(node, 0);
clk = clk_register_gate(NULL, clk_name, parent_name,
CLK_SET_RATE_PARENT, reg,
SUN4I_CODEC_GATE, 0, NULL);
if (!IS_ERR(clk))
of_clk_add_provider(node, of_clk_src_simple_get, clk);
}
CLK_OF_DECLARE(sun4i_codec, "allwinner,sun4i-a10-codec-clk",
sun4i_codec_clk_setup);
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