clk-a10-codec.c (895B)
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright 2013 Emilio López 4 * 5 * Emilio López <emilio@elopez.com.ar> 6 */ 7 8#include <linux/clk-provider.h> 9#include <linux/of.h> 10#include <linux/of_address.h> 11 12#define SUN4I_CODEC_GATE 31 13 14static void __init sun4i_codec_clk_setup(struct device_node *node) 15{ 16 struct clk *clk; 17 const char *clk_name = node->name, *parent_name; 18 void __iomem *reg; 19 20 reg = of_io_request_and_map(node, 0, of_node_full_name(node)); 21 if (IS_ERR(reg)) 22 return; 23 24 of_property_read_string(node, "clock-output-names", &clk_name); 25 parent_name = of_clk_get_parent_name(node, 0); 26 27 clk = clk_register_gate(NULL, clk_name, parent_name, 28 CLK_SET_RATE_PARENT, reg, 29 SUN4I_CODEC_GATE, 0, NULL); 30 31 if (!IS_ERR(clk)) 32 of_clk_add_provider(node, of_clk_src_simple_get, clk); 33} 34CLK_OF_DECLARE(sun4i_codec, "allwinner,sun4i-a10-codec-clk", 35 sun4i_codec_clk_setup);