diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tegra-audio-trimslice.txt | 14 | ||||
| -rw-r--r-- | sound/soc/tegra/trimslice.c | 34 |
2 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tegra-audio-trimslice.txt b/Documentation/devicetree/bindings/sound/tegra-audio-trimslice.txt new file mode 100644 index 000000000000..04b14cfb1f16 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/tegra-audio-trimslice.txt @@ -0,0 +1,14 @@ +NVIDIA Tegra audio complex for TrimSlice + +Required properties: +- compatible : "nvidia,tegra-audio-trimslice" +- nvidia,i2s-controller : The phandle of the Tegra I2S1 controller +- nvidia,audio-codec : The phandle of the WM8903 audio codec + +Example: + +sound { + compatible = "nvidia,tegra-audio-trimslice"; + nvidia,i2s-controller = <&tegra_i2s1>; + nvidia,audio-codec = <&codec>; +}; 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), |