[PATCH 2/2] dt: brcm,bcm2835-aux-spi: add binding documentation for new spi-bcm2835aux
From: <hidden>
Date: 2015-06-22 13:40:07
Also in:
linux-spi
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
From: Martin Sperl <redacted> Signed-off-by: Martin Sperl <redacted> --- .../bindings/spi/brcm,bcm2835-aux-spi.txt | 33 ++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
new file mode 100644
index 0000000..23e4138
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt@@ -0,0 +1,33 @@ +Broadcom BCM2835 SPI1/2 controller + +The BCM2835 contains two forms of SPI master controller, one known simply as +SPI0, and the other known as the "Universal SPI Master"; part of the +auxiliary block. This binding applies to the SPI1/2 controller. + +Required properties: +- compatible: Should be "brcm,bcm2835-aux-spi". +- reg: Should contain register location and length for the spi block + as well as for the common aux block control +- interrupts: Should contain shared interrupt of the aux block +- clocks: The clock feeding the SPI controller. +- gpio-cs: the gpio-cs (native cs is NOT supported) + +Example: + +spi1@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e215080 0x40>, <0x7e215000 0x08>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +}; + +spi2@7e215080 { + compatible = "brcm,bcm2835-aux-spi"; + reg = <0x7e2150c0 0x40>, <0x7e215000 0x08>; + interrupts = <1 29>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +};
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1.7.10.4
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