From: Roland Stigge <stigge@antcom.de>
To: linus.walleij@linaro.org, aletes.xgr@gmail.com,
broonie@opensource.wolfsonmicro.com, grant.likely@secretlab.ca,
rob.herring@calxeda.com, rob@landley.net,
devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
spi-devel-general@lists.sourceforge.net,
gabriel.fernandez@stericsson.com, lee.jones@linaro.org,
viresh.kumar@linaro.org, sachin.verma@st.co
Cc: Roland Stigge <stigge@antcom.de>
Subject: [PATCH v6 3/3] DT bindings documentation: "num-cs" property for SPI controllers
Date: Wed, 22 Aug 2012 15:49:19 +0200 [thread overview]
Message-ID: <1345643359-16584-3-git-send-email-stigge@antcom.de> (raw)
In-Reply-To: <1345643359-16584-1-git-send-email-stigge@antcom.de>
Several SPI controller drivers have defined differently named properties for
the number of chip selects. Now adding "num-cs" as a reference name for new
bindings.
Signed-off-by: Roland Stigge <stigge@antcom.de>
---
Documentation/devicetree/bindings/spi/spi-bus.txt | 3 +++
1 file changed, 3 insertions(+)
--- linux-2.6.orig/Documentation/devicetree/bindings/spi/spi-bus.txt
+++ linux-2.6/Documentation/devicetree/bindings/spi/spi-bus.txt
@@ -21,6 +21,9 @@ assumption that board specific platform
chip selects. Individual drivers can define additional properties to
support describing the chip select layout.
+Optional property:
+- num-cs : total number of chipselects
+
SPI slave nodes must be children of the SPI master node and can
contain the following properties.
- reg - (required) chip select address of device.
next prev parent reply other threads:[~2012-08-22 13:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 13:49 [PATCH v6 1/3] spi/pl022: Add chip select handling via GPIO Roland Stigge
2012-08-22 13:49 ` [PATCH v6 2/3] spi/pl022: Add devicetree support Roland Stigge
2012-08-22 18:38 ` Linus Walleij
2012-08-22 13:49 ` Roland Stigge [this message]
2012-08-22 18:39 ` [PATCH v6 3/3] DT bindings documentation: "num-cs" property for SPI controllers Linus Walleij
2012-08-22 19:03 ` Mark Brown
2012-08-22 18:37 ` [PATCH v6 1/3] spi/pl022: Add chip select handling via GPIO Linus Walleij
2012-09-01 11:14 ` shiraz hashim
2012-09-02 7:18 ` Linus Walleij
2012-09-02 13:12 ` shiraz hashim
2012-09-03 9:10 ` Linus Walleij
2012-09-02 20:04 ` Roland Stigge
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