diff options
| -rw-r--r-- | Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt index 1945aecf0a3a..b925bf955731 100644 --- a/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt +++ b/Documentation/devicetree/bindings/sound/davinci-mcasp-audio.txt | |||
| @@ -11,13 +11,14 @@ Required properties: | |||
| 11 | * "mpu" for the main registers (required). For compatibility with | 11 | * "mpu" for the main registers (required). For compatibility with |
| 12 | existing software, it is recommended this is the first entry. | 12 | existing software, it is recommended this is the first entry. |
| 13 | * "dat" for separate data port register access (optional). | 13 | * "dat" for separate data port register access (optional). |
| 14 | - interrupts : Interrupt number for McASP | 14 | - op-mode : I2S/DIT ops mode. 0 for I2S mode. 1 for DIT mode used for S/PDIF, |
| 15 | - op-mode : I2S/DIT ops mode. | 15 | IEC60958-1, and AES-3 formats. |
| 16 | - tdm-slots : Slots for TDM operation. | 16 | - tdm-slots : Slots for TDM operation. Indicates number of channels transmitted |
| 17 | or received over one serializer. | ||
| 17 | - num-serializer : Serializers used by McASP. | 18 | - num-serializer : Serializers used by McASP. |
| 18 | - serial-dir : A list of serializer pin mode. The list number should be equal | 19 | - serial-dir : A list of serializer configuration. Each entry is a number |
| 19 | to "num-serializer" parameter. Each entry is a number indication | 20 | indication for serializer pin direction. |
| 20 | serializer pin direction. (0 - INACTIVE, 1 - TX, 2 - RX) | 21 | (0 - INACTIVE, 1 - TX, 2 - RX) |
| 21 | - dmas: two element list of DMA controller phandles and DMA request line | 22 | - dmas: two element list of DMA controller phandles and DMA request line |
| 22 | ordered pairs. | 23 | ordered pairs. |
| 23 | - dma-names: identifier string for each DMA request line in the dmas property. | 24 | - dma-names: identifier string for each DMA request line in the dmas property. |
| @@ -31,16 +32,21 @@ Optional properties: | |||
| 31 | - rx-num-evt : FIFO levels. | 32 | - rx-num-evt : FIFO levels. |
| 32 | - sram-size-playback : size of sram to be allocated during playback | 33 | - sram-size-playback : size of sram to be allocated during playback |
| 33 | - sram-size-capture : size of sram to be allocated during capture | 34 | - sram-size-capture : size of sram to be allocated during capture |
| 35 | - interrupts : Interrupt numbers for McASP, currently not used by the driver | ||
| 36 | - interrupt-names : Known interrupt names are "tx" and "rx" | ||
| 37 | - pinctrl-0: Should specify pin control group used for this controller. | ||
| 38 | - pinctrl-names: Should contain only one value - "default", for more details | ||
| 39 | please refer to pinctrl-bindings.txt | ||
| 40 | |||
| 34 | 41 | ||
| 35 | Example: | 42 | Example: |
| 36 | 43 | ||
| 37 | mcasp0: mcasp0@1d00000 { | 44 | mcasp0: mcasp0@1d00000 { |
| 38 | compatible = "ti,da830-mcasp-audio"; | 45 | compatible = "ti,da830-mcasp-audio"; |
| 39 | #address-cells = <1>; | ||
| 40 | #size-cells = <0>; | ||
| 41 | reg = <0x100000 0x3000>; | 46 | reg = <0x100000 0x3000>; |
| 42 | reg-names "mpu"; | 47 | reg-names "mpu"; |
| 43 | interrupts = <82 83>; | 48 | interrupts = <82>, <83>; |
| 49 | interrupts-names = "tx", "rx"; | ||
| 44 | op-mode = <0>; /* MCASP_IIS_MODE */ | 50 | op-mode = <0>; /* MCASP_IIS_MODE */ |
| 45 | tdm-slots = <2>; | 51 | tdm-slots = <2>; |
| 46 | num-serializer = <16>; | 52 | num-serializer = <16>; |