board: tbs2910: Remove CMD_FDT support in defconfig to reduce u-boot size
[oweals/u-boot.git] / doc / device-tree-bindings / spi / spi-atcspi200.txt
1 Andestech ATCSPI200 SPI controller Device Tree Bindings
2 -------------------------------------------------------
3 ATCSPI200 is a Serial Peripheral Interface (SPI) controller
4 which serves as a SPI master or a SPI slave.
5
6 It is often be embedded in AE3XX and AE250 platforms.
7
8 Required properties:
9 - compatible: has to be "andestech,atcspi200".
10 - reg: Base address and size of the controllers memory area.
11 - #address-cells: <1>, as required by generic SPI binding.
12 - #size-cells: <0>, also as required by generic SPI binding.
13 - interrupts: Property with a value describing the interrupt number.
14 - clocks: Clock phandles (see clock bindings for details).
15 - spi-max-frequency: Maximum SPI clocking speed of device in Hz.
16
17 Optional properties:
18 - num-cs: Number of chip selects used.
19
20 Example:
21
22         spi: spi@f0b00000 {
23                 compatible = "andestech,atcspi200";
24                 reg = <0xf0b00000 0x1000>;
25                 #address-cells = <1>;
26                 #size-cells = <0>;
27                 num-cs = <1>;
28                 clocks = <&spiclk>;
29                 interrupts = <3 4>;
30                 flash@0 {
31                         compatible = "spi-flash";
32                         spi-max-frequency = <50000000>;
33                         reg = <0>;
34                         spi-cpol;
35                         spi-cpha;
36                 };
37         };