Device tree support for Davinci/OMAP2+ pcm driver.
Signed-off-by: Hebbar, Gururaja <[email protected]>
---
:000000 100644 0000000... be494bb... A
Documentation/devicetree/bindings/sound/davinci-pcm.txt
:100644 100644 fefb3d4... 0765101... M sound/soc/davinci/davinci-pcm.c
.../devicetree/bindings/sound/davinci-pcm.txt | 13 +++++++++++++
sound/soc/davinci/davinci-pcm.c | 11 +++++++++++
2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/davinci-pcm.txt
b/Documentation/devicetree/bindings/sound/davinci-pcm.txt
new file mode 100644
index 0000000..be494bb
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/davinci-pcm.txt
@@ -0,0 +1,13 @@
+Texas Instruments - Davinci/OMAP2+ PCM module
+
+PCM module doesn't use/require any platform data. Hence only
+compatible field needs to be populated.
+
+Required properties:
+- compatible: "ti,davinci-pcm-audio"
+
+Example:
+
+pcm: davinci-pcm-audio {
+ compatible = "ti,davinci-pcm-audio";
+};
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index fefb3d4..0765101 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -16,6 +16,8 @@
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -874,10 +876,19 @@ static int __devexit davinci_soc_platform_remove(struct
platform_device *pdev)
return 0;
}
+#if defined(CONFIG_OF)
+static const struct of_device_id davinci_pcm_dt_ids[] = {
+ { .compatible = "ti,davinci-pcm-audio", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, davinci_pcm_dt_ids);
+#endif
+
static struct platform_driver davinci_pcm_driver = {
.driver = {
.name = "davinci-pcm-audio",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(davinci_pcm_dt_ids),
},
.probe = davinci_soc_platform_probe,
--
1.7.1
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