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authorStephen Warren <swarren@nvidia.com>2012-04-27 13:34:19 -0600
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-30 23:47:54 +0100
commit6264f668d51647be68bcfde8a56042bd646a7855 (patch)
treebcfbc30f0e61280126cfa0b7ec9088d5c17630b0 /sound/soc/tegra
parent3a96c77ef792478f5e372b71403698606973c479 (diff)
ASoC: tegra: add device tree support for TrimSlice
This binding doesn't include the nvidia,model or nvidia,audio-routing properties the other Tegra audio DT bindings have, because this binding is targetted at a single machine, rather than for any machine using the tlv320aic23 codec. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/tegra')
-rw-r--r--sound/soc/tegra/trimslice.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sound/soc/tegra/trimslice.c b/sound/soc/tegra/trimslice.c
index 0fd115e69a8a..4a8d5b672c9f 100644
--- a/sound/soc/tegra/trimslice.c
+++ b/sound/soc/tegra/trimslice.c
@@ -27,6 +27,7 @@
#include <asm/mach-types.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -149,6 +150,32 @@ static __devinit int tegra_snd_trimslice_probe(struct platform_device *pdev)
goto err;
}
+ if (pdev->dev.of_node) {
+ trimslice_tlv320aic23_dai.codec_name = NULL;
+ trimslice_tlv320aic23_dai.codec_of_node = of_parse_phandle(
+ pdev->dev.of_node, "nvidia,audio-codec", 0);
+ if (!trimslice_tlv320aic23_dai.codec_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'nvidia,audio-codec' missing or invalid\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ trimslice_tlv320aic23_dai.cpu_dai_name = NULL;
+ trimslice_tlv320aic23_dai.cpu_dai_of_node = of_parse_phandle(
+ pdev->dev.of_node, "nvidia,i2s-controller", 0);
+ if (!trimslice_tlv320aic23_dai.cpu_dai_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'nvidia,i2s-controller' missing or invalid\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ trimslice_tlv320aic23_dai.platform_name = NULL;
+ trimslice_tlv320aic23_dai.platform_of_node =
+ trimslice_tlv320aic23_dai.cpu_dai_of_node;
+ }
+
ret = tegra_asoc_utils_init(&trimslice->util_data, &pdev->dev);
if (ret)
goto err;
@@ -184,10 +211,17 @@ static int __devexit tegra_snd_trimslice_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id trimslice_of_match[] __devinitconst = {
+ { .compatible = "nvidia,tegra-audio-trimslice", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, trimslice_of_match);
+
static struct platform_driver tegra_snd_trimslice_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+ .of_match_table = trimslice_of_match,
},
.probe = tegra_snd_trimslice_probe,
.remove = __devexit_p(tegra_snd_trimslice_remove),