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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-04-05 14:51:50 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-04-08 10:16:55 +0200 |
| commit | 1dc748b3b202cadf9b799874d9af8d441ee556bc (patch) | |
| tree | 58fd3c90a40e2d0128b0c7f36d63d7fc126bb20d /dts/Bindings/sound/davinci-mcasp-audio.txt | |
| parent | 9688b49cd3bc0b61a019e8e1311236c9975a0777 (diff) | |
| download | barebox-1dc748b3b202cadf9b799874d9af8d441ee556bc.tar.gz barebox-1dc748b3b202cadf9b799874d9af8d441ee556bc.tar.xz | |
dts: update to v5.1-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/sound/davinci-mcasp-audio.txt')
| -rw-r--r-- | dts/Bindings/sound/davinci-mcasp-audio.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/dts/Bindings/sound/davinci-mcasp-audio.txt b/dts/Bindings/sound/davinci-mcasp-audio.txt index b279b6072b..a58f79f534 100644 --- a/dts/Bindings/sound/davinci-mcasp-audio.txt +++ b/dts/Bindings/sound/davinci-mcasp-audio.txt @@ -45,6 +45,23 @@ Optional properties: - fck_parent : Should contain a valid clock name which will be used as parent for the McASP fck +Optional GPIO support: +If any McASP pin need to be used as GPIO then the McASP node must have: +... + gpio-controller + #gpio-cells = <2>; +... + +When requesting a GPIO, the first parameter is the PIN index in McASP_P* +registers. +For example to request the AXR2 pin of mcasp8: +function-gpios = <&mcasp8 2 0>; + +Or to request the ACLKR pin of mcasp8: +function-gpios = <&mcasp8 29 0>; + +For generic gpio information, please refer to bindings/gpio/gpio.txt + Example: mcasp0: mcasp0@1d00000 { |