Hello.
On 08/09/2013 10:51 PM, John Crispin wrote:
Describe the SPI master found on the MIPS based Ralink SoC.
Signed-off-by: John Crispin <blogic@xxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-spi@xxxxxxxxxxxxxxx
Cc: linux-mips@xxxxxxxxxxxxxx
---
.../devicetree/bindings/spi/spi-rt2880.txt | 26 ++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt
diff --git a/Documentation/devicetree/bindings/spi/spi-rt2880.txt b/Documentation/devicetree/bindings/spi/spi-rt2880.txt
new file mode 100644
index 0000000..d946626
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt
@@ -0,0 +1,26 @@
+Ralink SoC RT2880 and famile SPI master controller.
+
+Required properties:
+- compatible : "ralink,rt2880-spi"
+- reg : The register base for the controller.
+- #address-cells : <1>, as required by generic SPI binding.
+- #size-cells : <0>, also as required by generic SPI binding.
+
+Child nodes as per the generic SPI binding.
+
+Example:
+
+ spi@b00 {
+ compatible = "ralink,rt2880-spi";
+ reg = <0xb00 0x100>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ m25p80@0 {
Don't call nodes with chip names. ePAPR [1] says: "the name of a node
should be somewhat generic, reflecting the function of the device and not its
precise programming model". I suspect this is a flash device, ePAPR suggests
using "flash" as a name in this case.
+ compatible = "m25p80";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+
WBR, Sergei
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