diff options
Diffstat (limited to 'drivers/clk/sunxi/clk-a10-codec.c')
-rw-r--r-- | drivers/clk/sunxi/clk-a10-codec.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/clk/sunxi/clk-a10-codec.c b/drivers/clk/sunxi/clk-a10-codec.c new file mode 100644 index 000000000..6fc6de044 --- /dev/null +++ b/drivers/clk/sunxi/clk-a10-codec.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 2013 Emilio López + * + * Emilio López <emilio@elopez.com.ar> + */ + +#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); |