The binding definition is based on the generic DMA request binding

Signed-off-by: Matt Porter <mpor...@ti.com>
---
 Documentation/devicetree/bindings/spi/omap-spi.txt |   27 +++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/omap-spi.txt 
b/Documentation/devicetree/bindings/spi/omap-spi.txt
index 938809c..4c85c4c 100644
--- a/Documentation/devicetree/bindings/spi/omap-spi.txt
+++ b/Documentation/devicetree/bindings/spi/omap-spi.txt
@@ -10,7 +10,18 @@ Required properties:
                          input. The default is D0 as input and
                          D1 as output.
 
-Example:
+Optional properties:
+- dmas: List of DMA specifiers with the controller specific format
+       as described in the generic DMA client binding. A tx and rx
+       specifier is required for each chip select.
+- dma-names: List of DMA request names. These strings correspond
+       1:1 with the DMA specifiers listed in dmas. The string naming
+       is to be "rxN" and "txN" for RX and TX requests,
+       respectively, where N equals the chip select number.
+
+Examples:
+
+[hwmod populated DMA resources]
 
 mcspi1: mcspi@1 {
     #address-cells = <1>;
@@ -20,3 +31,17 @@ mcspi1: mcspi@1 {
     ti,spi-num-cs = <4>;
 };
 
+[generic DMA request binding]
+
+mcspi1: mcspi@1 {
+    #address-cells = <1>;
+    #size-cells = <0>;
+    compatible = "ti,omap4-mcspi";
+    ti,hwmods = "mcspi1";
+    ti,spi-num-cs = <2>;
+    dmas = <&edma 42
+           &edma 43
+           &edma 44
+           &edma 45>;
+    dma-names = "tx0", "rx0", "tx1", "rx1";
+};
-- 
1.7.9.5


------------------------------------------------------------------------------
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
Download AppDynamics Lite for free today:
http://p.sf.net/sfu/appdyn_d2d_feb
_______________________________________________
spi-devel-general mailing list
spi-devel-general@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/spi-devel-general

Reply via email to