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Diffstat (limited to 'Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt')
-rw-r--r-- | Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt new file mode 100644 index 0000000000..3d55dd64b1 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt @@ -0,0 +1,23 @@ +Broadcom BCM2835 SPI0 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 SPI0 controller. + +Required properties: +- compatible: Should be one of "brcm,bcm2835-spi" for BCM2835/2836/2837 or + "brcm,bcm2711-spi" for BCM2711 or "brcm,bcm7211-spi" for BCM7211. +- reg: Should contain register location and length. +- interrupts: Should contain interrupt. +- clocks: The clock feeding the SPI controller. + +Example: + +spi@20204000 { + compatible = "brcm,bcm2835-spi"; + reg = <0x7e204000 0x1000>; + interrupts = <2 22>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +}; |