ralink: add 3.18 support

[openwrt.git] / target / linux / ramips / patches-3.18 / 0049-DT-Add-documentation-for-spi-rt2880.patch

diff --git a/target/linux/ramips/patches-3.18/0049-DT-Add-documentation-for-spi-rt2880.patch b/target/linux/ramips/patches-3.18/0049-DT-Add-documentation-for-spi-rt2880.patch
new file mode 100644 (file)
index 0000000..23a6b3e
--- /dev/null
+++ b/target/linux/ramips/patches-3.18/0049-DT-Add-documentation-for-spi-rt2880.patch
@@ -0,0 +1,44 @@
+From 6ed8d03e5f4283b60dffea5c10ff1484141824e7 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+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 <blogic@openwrt.org>
+---
+ .../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>;
++              };
++      };
++