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Commit 394025ef authored by Shawn Guo's avatar Shawn Guo
Browse files

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



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

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent bf22e530

arch/arm/mach-imx/imx53-dt.c

+19 −0
Original line number Diff line number Diff line
@@ -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);

}