diff options
Diffstat (limited to 'target/linux/ramips/patches-4.4/0041-DT-Add-documentation-for-spi-rt2880.patch')
| -rw-r--r-- | target/linux/ramips/patches-4.4/0041-DT-Add-documentation-for-spi-rt2880.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.4/0041-DT-Add-documentation-for-spi-rt2880.patch b/target/linux/ramips/patches-4.4/0041-DT-Add-documentation-for-spi-rt2880.patch new file mode 100644 index 0000000..e2643e3 --- /dev/null +++ b/target/linux/ramips/patches-4.4/0041-DT-Add-documentation-for-spi-rt2880.patch @@ -0,0 +1,44 @@ +From da6015e7f19d749f135f7ac55c4ec47b06faa868 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Fri, 9 Aug 2013 20:12:59 +0200 +Subject: [PATCH 41/53] 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>; ++ }; ++ }; ++ |