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-rw-r--r--Documentation/blackfin/bfin-spi-notes.txt2
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diff --git a/Documentation/blackfin/bfin-spi-notes.txt b/Documentation/blackfin/bfin-spi-notes.txt
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+++ b/Documentation/blackfin/bfin-spi-notes.txt
@@ -9,6 +9,8 @@ the entire SPI transfer. - And not just bits_per_word duration.
9In most cases you can utilize SPI MODE_3 instead of MODE_0 to work-around this 9In most cases you can utilize SPI MODE_3 instead of MODE_0 to work-around this
10behavior. If your SPI slave device in question requires SPI MODE_0 or MODE_2 10behavior. If your SPI slave device in question requires SPI MODE_0 or MODE_2
11timing, you can utilize the GPIO controlled SPI Slave Select option instead. 11timing, you can utilize the GPIO controlled SPI Slave Select option instead.
12In this case, you should use GPIO based CS for all of your slaves and not just
13the ones using mode 0 or 2 in order to guarantee correct CS toggling behavior.
12 14
13You can even use the same pin whose peripheral role is a SSEL, 15You can even use the same pin whose peripheral role is a SSEL,
14but use it as a GPIO instead. 16but use it as a GPIO instead.