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author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-06-13 07:31:46 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-06-13 12:43:53 +0200 |
commit | 86186c232241b607f84cc266a6cda49160f44948 (patch) | |
tree | 286a87dae7f2d8c3eda5b8551fc9b5f4db726c45 /dts/Bindings/sound/davinci-mcbsp.txt | |
parent | 0cf29e11efa66ad4515c9391303406c725be2c7a (diff) | |
download | barebox-86186c232241b607f84cc266a6cda49160f44948.tar.gz barebox-86186c232241b607f84cc266a6cda49160f44948.tar.xz |
dts: update to v4.7-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/sound/davinci-mcbsp.txt')
-rw-r--r-- | dts/Bindings/sound/davinci-mcbsp.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/dts/Bindings/sound/davinci-mcbsp.txt b/dts/Bindings/sound/davinci-mcbsp.txt new file mode 100644 index 0000000000..55b53e1fd7 --- /dev/null +++ b/dts/Bindings/sound/davinci-mcbsp.txt @@ -0,0 +1,51 @@ +Texas Instruments DaVinci McBSP module +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +This binding describes the "Multi-channel Buffered Serial Port" (McBSP) +audio interface found in some TI DaVinci processors like the OMAP-L138 or AM180x. + + +Required properties: +~~~~~~~~~~~~~~~~~~~~ +- compatible : + "ti,da850-mcbsp" : for DA850, AM180x and OPAM-L138 platforms + +- reg : physical base address and length of the controller memory mapped + region(s). +- reg-names : Should contain: + * "mpu" for the main registers (required). + * "dat" for the data FIFO (optional). + +- dmas: three element list of DMA controller phandles, DMA request line and + TC channel ordered triplets. +- dma-names: identifier string for each DMA request line in the dmas property. + These strings correspond 1:1 with the ordered pairs in dmas. The dma + identifiers must be "rx" and "tx". + +Optional properties: +~~~~~~~~~~~~~~~~~~~~ +- interrupts : Interrupt numbers for McBSP +- interrupt-names : Known interrupt names are "rx" and "tx" + +- pinctrl-0: Should specify pin control group used for this controller. +- pinctrl-names: Should contain only one value - "default", for more details + please refer to pinctrl-bindings.txt + +Example (AM1808): +~~~~~~~~~~~~~~~~~ + +mcbsp0: mcbsp@1d10000 { + compatible = "ti,da850-mcbsp"; + pinctrl-names = "default"; + pinctrl-0 = <&mcbsp0_pins>; + + reg = <0x00110000 0x1000>, + <0x00310000 0x1000>; + reg-names = "mpu", "dat"; + interrupts = <97 98>; + interrupts-names = "rx", "tx"; + dmas = <&edma0 3 1 + &edma0 2 1>; + dma-names = "tx", "rx"; + status = "okay"; +}; |