/* * 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);