From f618ebfcbf9616a0fa9a78f5ecb69762f0fa3c59 Mon Sep 17 00:00:00 2001 From: Wolfgang Ocker Date: Wed, 15 Oct 2008 15:00:47 +0200 Subject: of/spi: Support specifying chip select as active high via device tree The patch allows to specify that an SPI device needs an active high chip select. Signed-off-by: Wolfgang Ocker Signed-off-by: Kumar Gala --- Documentation/powerpc/booting-without-of.txt | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation') diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index de4063cb4fd..02ea9a971b8 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -1917,6 +1917,8 @@ platforms are moved over to use the flattened-device-tree model. inverse clock polarity (CPOL) mode - spi-cpha - (optional) Empty property indicating device requires shifted clock phase (CPHA) mode + - spi-cs-high - (optional) Empty property indicating device requires + chip select active high SPI example for an MPC5200 SPI bus: spi@f00 { -- cgit v1.2.3-18-g5258