diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/omap-dmic.txt | 21 | ||||
| -rw-r--r-- | sound/soc/omap/omap-dmic.c | 8 |
2 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/omap-dmic.txt b/Documentation/devicetree/bindings/sound/omap-dmic.txt new file mode 100644 index 000000000000..fd8105f18978 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/omap-dmic.txt @@ -0,0 +1,21 @@ +* Texas Instruments OMAP4+ Digital Microphone Module + +Required properties: +- compatible: "ti,omap4-dmic" +- reg: Register location and size as an array: + <MPU access base address, size>, + <L3 interconnect address, size>; +- interrupts: Interrupt number for DMIC +- interrupt-parent: The parent interrupt controller +- ti,hwmods: Name of the hwmod associated with OMAP dmic IP + +Example: + +dmic: dmic@4012e000 { + compatible = "ti,omap4-dmic"; + reg = <0x4012e000 0x7f>, /* MPU private access */ + <0x4902e000 0x7f>; /* L3 Interconnect */ + interrupts = <0 114 0x4>; + interrupt-parent = <&gic>; + ti,hwmods = "dmic"; +}; diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c index 4dcb5a7e40e8..75f5dca0e8d2 100644 --- a/sound/soc/omap/omap-dmic.c +++ b/sound/soc/omap/omap-dmic.c @@ -32,6 +32,7 @@ #include <linux/io.h> #include <linux/slab.h> #include <linux/pm_runtime.h> +#include <linux/of_device.h> #include <plat/dma.h> #include <sound/core.h> @@ -528,10 +529,17 @@ static int __devexit asoc_dmic_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id omap_dmic_of_match[] = { + { .compatible = "ti,omap4-dmic", }, + { } +}; +MODULE_DEVICE_TABLE(of, omap_dmic_of_match); + static struct platform_driver asoc_dmic_driver = { .driver = { .name = "omap-dmic", .owner = THIS_MODULE, + .of_match_table = omap_dmic_of_match, }, .probe = asoc_dmic_probe, .remove = __devexit_p(asoc_dmic_remove), |