diff options
| author | Stephen Warren <swarren@nvidia.com> | 2012-04-27 13:34:19 -0600 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-30 23:47:54 +0100 |
| commit | 6264f668d51647be68bcfde8a56042bd646a7855 (patch) | |
| tree | bcfbc30f0e61280126cfa0b7ec9088d5c17630b0 /sound/soc/tegra | |
| parent | 3a96c77ef792478f5e372b71403698606973c479 (diff) | |
| download | linux-6264f668d51647be68bcfde8a56042bd646a7855.tar.bz2 | |
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.c | 34 |
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), |