@@ -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
@@ -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);
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(-)