dt-bindings: More use 'enum' instead of 'oneOf' plus 'const' entries
[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / spi / brcm,bcm2835-spi.txt
1 Broadcom BCM2835 SPI0 controller
2
3 The BCM2835 contains two forms of SPI master controller, one known simply as
4 SPI0, and the other known as the "Universal SPI Master"; part of the
5 auxiliary block. This binding applies to the SPI0 controller.
6
7 Required properties:
8 - compatible: Should be one of "brcm,bcm2835-spi" for BCM2835/2836/2837 or
9   "brcm,bcm2711-spi" for BCM2711 or "brcm,bcm7211-spi" for BCM7211.
10 - reg: Should contain register location and length.
11 - interrupts: Should contain interrupt.
12 - clocks: The clock feeding the SPI controller.
13
14 Example:
15
16 spi@20204000 {
17         compatible = "brcm,bcm2835-spi";
18         reg = <0x7e204000 0x1000>;
19         interrupts = <2 22>;
20         clocks = <&clk_spi>;
21         #address-cells = <1>;
22         #size-cells = <0>;
23 };