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doc: i2c: gpio: Document deblock sequence on probe

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Document the gpio-i2c deblocking sequence binding.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
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Marek Vasut 2020-02-18 18:24:42 +01:00 • committed by Heiko Schocher
parent 4368c6a2bc
commit 092d9ea26c
1 changed files with 2 additions and 0 deletions
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doc/device-tree-bindings/i2c/i2c-gpio.txt
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@ -16,6 +16,8 @@ Optional:
The resulting transfer speed can be adjusted by setting the delay[us]
between gpio-toggle operations. Speed [Hz] = 1000000 / 4 * udelay[us],
It not defined, then default is 5us (~50KHz).
* i2c-gpio,deblock
Run deblocking sequence when the driver gets probed.
Example: