[PATCH v5 1/2] of: add J-Core SPI master bindings
From: Rich Felker <dalias@libc.org>
Date: 2016-08-04 04:39:17
Also in:
linux-devicetree, linux-spi, lkml
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
Signed-off-by: Rich Felker <dalias@libc.org> --- .../devicetree/bindings/spi/jcore,spi.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/jcore,spi.txt
diff --git a/Documentation/devicetree/bindings/spi/jcore,spi.txt b/Documentation/devicetree/bindings/spi/jcore,spi.txt
new file mode 100644
index 0000000..93936d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/jcore,spi.txt@@ -0,0 +1,34 @@ +J-Core SPI master + +Required properties: + +- compatible: Must be "jcore,spi2". + +- reg: Memory region for registers. + +- #address-cells: Must be 1. + +- #size-cells: Must be 0. + +Optional properties: + +- clocks: If a phandle named "ref_clk" is present, SPI clock speed + programming is relative to the frequency of the indicated clock. + Necessary only if the input clock rate is something other than a + fixed 50 MHz. + +- clock-names: Clock names, one for each phandle in clocks. + +See spi-bus.txt for additional properties not specific to this device. + +Example: + +spi@40 { + compatible = "jcore,spi2"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x40 0x8>; + spi-max-frequency = <25000000>; + clocks = <&bus_clk>; + clock-names = "ref_clk"; +}
--
2.8.1