This patch adds devicetree support for mc13783-codec.
Signed-off-by: Alexander Shiyan shc_work@mail.ru --- Documentation/devicetree/bindings/mfd/mc13xxx.txt | 3 +++ sound/soc/codecs/mc13783.c | 14 +++++++++++++- 2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mfd/mc13xxx.txt b/Documentation/devicetree/bindings/mfd/mc13xxx.txt index 1413f39..8aba488 100644 --- a/Documentation/devicetree/bindings/mfd/mc13xxx.txt +++ b/Documentation/devicetree/bindings/mfd/mc13xxx.txt @@ -10,6 +10,9 @@ Optional properties: - fsl,mc13xxx-uses-touch : Indicate the touchscreen controller is being used
Sub-nodes: +- codec: Contain the Audio Codec node. + - adc-port: Contain PMIC SSI port number used for ADC. + - dac-port: Contain PMIC SSI port number used for DAC. - leds : Contain the led nodes and initial register values in property "led-control". Number of register depends of used IC, for MC13783 is 6, for MC13892 is 4, for MC34708 is 1. See datasheet for bits definitions of diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c index 0b0a4ca..9965277 100644 --- a/sound/soc/codecs/mc13783.c +++ b/sound/soc/codecs/mc13783.c @@ -22,6 +22,7 @@ */ #include <linux/module.h> #include <linux/device.h> +#include <linux/of.h> #include <linux/mfd/mc13xxx.h> #include <linux/slab.h> #include <sound/core.h> @@ -748,6 +749,7 @@ static int __init mc13783_codec_probe(struct platform_device *pdev) { struct mc13783_priv *priv; struct mc13xxx_codec_platform_data *pdata = pdev->dev.platform_data; + struct device_node *np; int ret;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); @@ -758,7 +760,17 @@ static int __init mc13783_codec_probe(struct platform_device *pdev) priv->adc_ssi_port = pdata->adc_ssi_port; priv->dac_ssi_port = pdata->dac_ssi_port; } else { - return -ENOSYS; + np = of_get_child_by_name(pdev->dev.parent->of_node, "codec"); + if (!np) + return -ENOSYS; + + ret = of_property_read_u32(np, "adc-port", &priv->adc_ssi_port); + if (ret) + return ret; + + ret = of_property_read_u32(np, "dac-port", &priv->dac_ssi_port); + if (ret) + return ret; }
dev_set_drvdata(&pdev->dev, priv);