diff options
author | Jyri Sarha <jsarha@ti.com> | 2013-10-18 11:37:45 -0400 |
---|---|---|
committer | Mark Brown <broonie@linaro.org> | 2013-10-23 07:15:03 -0400 |
commit | 62561b39ea346ec2e48e01de9fd6f38383b67bd3 (patch) | |
tree | 40f6cea4106e99e1effaf1bd17103ee7cc04a29d | |
parent | 3af9e0315699b60762157662f721f50fd1fe529b (diff) |
ASoC: davinci-mcasp: Improve DT bindings document
Makes interrupts property optional as the interrupts are not currently
used by the driver and adds interrupt-names property to name listed
interrupts. Currently know interrupt names are "tx" and "rx".
- Improve tdm-slots propery description
- Improve op-mode property description
- Add pinctrl-names and pinctrl-0 properties
- Remove #address-cells and #size-cells as they are not needed.
- Bracket named interrupts property tuples for uniformity.
- Add missing "for" to serial-dir prop in DT bindings doc.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
-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>; |