From 6ed8d03e5f4283b60dffea5c10ff1484141824e7 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Fri, 9 Aug 2013 20:12:59 +0200 Subject: [PATCH 49/57] DT: Add documentation for spi-rt2880 Describe the SPI master found on the MIPS based Ralink RT2880 SoC. Signed-off-by: John Crispin --- .../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt @@ -0,0 +1,28 @@ +Ralink SoC RT2880 SPI master controller. + +This SPI controller is found on most wireless SoCs made by ralink. + +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 { + compatible = "m25p80"; + reg = <0>; + spi-max-frequency = <10000000>; + }; + }; +