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ARM: imx: add audio codec clk lookup for imx53-qsb

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On imx53-qsb board, the clk ssi_ext.0 is used as the clock input
to audio codec sgtl5000.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2012-05-11 13:09:45 +08:00
parent bf22e530d5
commit 394025ef42
1 changed files with 19 additions and 0 deletions
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19
arch/arm/mach-imx/imx53-dt.c
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@ -10,6 +10,9 @@
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
@ -80,6 +83,19 @@ static const struct of_device_id imx53_iomuxc_of_match[] __initconst = {
{ /* sentinel */ }
};
static void __init imx53_qsb_init(void)
{
struct clk *clk;
clk = clk_get_sys(NULL, "ssi_ext1");
if (IS_ERR(clk)) {
pr_err("failed to get clk ssi_ext1\n");
return;
}
clk_register_clkdev(clk, NULL, "0-000a");
}
static void __init imx53_dt_init(void)
{
struct device_node *node;
@ -96,6 +112,9 @@ static void __init imx53_dt_init(void)
of_node_put(node);
}
if (of_machine_is_compatible("fsl,imx53-qsb"))
imx53_qsb_init();
of_platform_populate(NULL, of_default_bus_match_table,
imx53_auxdata_lookup, NULL);
}