diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2012-08-16 16:41:08 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-08-22 20:17:18 +0100 |
| commit | 11dd586421b3091007e6f084a9211f3baa66f9fc (patch) | |
| tree | 5e4e33a7ed3d006065433b9d0fbe33ddb9273365 /Documentation/devicetree/bindings/sound | |
| parent | e586e955aa47f9b4afe6e665798fd2cb074a90f4 (diff) | |
ASoC: omap-mcbsp: Add device tree bindings
Device tree support for McBSP modules on OMAP2+ SoC.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/omap-mcbsp.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/omap-mcbsp.txt b/Documentation/devicetree/bindings/sound/omap-mcbsp.txt new file mode 100644 index 00000000000..447cb131e90 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/omap-mcbsp.txt @@ -0,0 +1,45 @@ +* Texas Instruments OMAP2+ McBSP module + +Required properties: +- compatible: "ti,omap2420-mcbsp" for McBSP on OMAP2420 + "ti,omap2430-mcbsp" for McBSP on OMAP2430 + "ti,omap3-mcbsp" for McBSP on OMAP3 + "ti,omap4-mcbsp" for McBSP on OMAP4 and newer SoC +- reg: Register location and size, for OMAP4+ as an array: + <MPU access base address, size>, + <L3 interconnect address, size>; +- interrupts: Interrupt numbers for the McBSP port, as an array in case the + McBSP IP have more interrupt lines: + <OCP compliant irq>, + <TX irq>, + <RX irq>; +- interrupt-parent: The parent interrupt controller +- ti,buffer-size: Size of the FIFO on the port (OMAP2430 and newer SoC) +- ti,hwmods: Name of the hwmod associated to the McBSP port + +Sidetone support for OMAP3 McBSP2 and 3 ports: +- sidetone { }: Within this section the following parameters are required: +- reg: Register location and size for the ST block +- interrupts: The interrupt number for the ST block +- interrupt-parent: The parent interrupt controller for the ST block + +Example: + +mcbsp2: mcbsp@49022000 { + compatible = "ti,omap3-mcbsp"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x49022000 0xff>; + interrupts = <0 17 0x4>, /* OCP compliant interrup */ + <0 62 0x4>, /* TX interrup */ + <0 63 0x4>; /* RX interrup */ + interrupt-parent = <&intc>; + ti,buffer-size = <1280>; + ti,hwmods = "mcbsp2"; + + sidetone { + reg = <0x49028000 0xff>; + interrupts = <0 4 0x4>; + interrupt-parent = <&intc>; + }; +}; |