media: Add document file for CXD2880 SPI I/F

This is the document file for Sony CXD2880 DVB-T2/T tuner + demodulator.
It contains the description of the SPI adapter binding.

Signed-off-by: Yasunari Takiguchi <Yasunari.Takiguchi@sony.com>
Signed-off-by: Masayuki Yamamoto <Masayuki.Yamamoto@sony.com>
Signed-off-by: Hideki Nozawa <Hideki.Nozawa@sony.com>
Signed-off-by: Kota Yonezawa <Kota.Yonezawa@sony.com>
Signed-off-by: Toshihiko Matsumoto <Toshihiko.Matsumoto@sony.com>
Signed-off-by: Satoshi Watanabe <Satoshi.C.Watanabe@sony.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Yasunari Takiguchi 2018-01-18 03:43:51 -05:00 committed by Mauro Carvalho Chehab
parent 1980bfa67f
commit feac8c8bb9
1 changed files with 14 additions and 0 deletions

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Sony CXD2880 DVB-T2/T tuner + demodulator driver SPI adapter
Required properties:
- compatible: Should be "sony,cxd2880".
- reg: SPI chip select number for the device.
- spi-max-frequency: Maximum bus speed, should be set to <55000000> (55MHz).
Example:
cxd2880@0 {
compatible = "sony,cxd2880";
reg = <0>; /* CE0 */
spi-max-frequency = <55000000>; /* 55MHz */
};