Re: [PATCH 1/2] DT: Add documentation for spi-rt2880
From: Sergei Shtylyov <hidden>
Date: 2013-08-09 20:44:19
Also in:
linux-devicetree
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 <redacted> Cc: devicetree@vger.kernel.org Cc: linux-spi@vger.kernel.org Cc: linux-mips@linux-mips.org --- .../devicetree/bindings/spi/spi-rt2880.txt | 26 ++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt
quoted hunk ↗ jump to hunk
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