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[linux-beck.git] / Documentation / devicetree / bindings / spi / spi-img-spfi.txt
1 IMG Synchronous Peripheral Flash Interface (SPFI) controller
2
3 Required properties:
4 - compatible: Must be "img,spfi".
5 - reg: Must contain the base address and length of the SPFI registers.
6 - interrupts: Must contain the SPFI interrupt.
7 - clocks: Must contain an entry for each entry in clock-names.
8   See ../clock/clock-bindings.txt for details.
9 - clock-names: Must include the following entries:
10   - spfi: SPI operating clock
11   - sys: SPI system interface clock
12 - dmas: Must contain an entry for each entry in dma-names.
13   See ../dma/dma.txt for details.
14 - dma-names: Must include the following entries:
15   - rx
16   - tx
17 - #address-cells: Must be 1.
18 - #size-cells: Must be 0.
19
20 Optional properties:
21 - img,supports-quad-mode: Should be set if the interface supports quad mode
22   SPI transfers.
23
24 Example:
25
26 spi@18100f00 {
27         compatible = "img,spfi";
28         reg = <0x18100f00 0x100>;
29         interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
30         clocks = <&spi_clk>, <&system_clk>;
31         clock-names = "spfi", "sys";
32         dmas = <&mdc 9 0xffffffff 0>, <&mdc 10 0xffffffff 0>;
33         dma-names = "rx", "tx";
34
35         #address-cells = <1>;
36         #size-cells = <0>;
37 };