xref: /freebsd-src/sys/contrib/device-tree/Bindings/spi/spi-mt7621.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel VadotBinding for MTK SPI controller (MT7621 MIPS)
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot- compatible: Should be one of the following:
5*c66ec88fSEmmanuel Vadot  - "ralink,mt7621-spi": for mt7621/mt7628/mt7688 platforms
6*c66ec88fSEmmanuel Vadot- #address-cells: should be 1.
7*c66ec88fSEmmanuel Vadot- #size-cells: should be 0.
8*c66ec88fSEmmanuel Vadot- reg: Address and length of the register set for the device
9*c66ec88fSEmmanuel Vadot- resets: phandle to the reset controller asserting this device in
10*c66ec88fSEmmanuel Vadot          reset
11*c66ec88fSEmmanuel Vadot  See ../reset/reset.txt for details.
12*c66ec88fSEmmanuel Vadot
13*c66ec88fSEmmanuel VadotOptional properties:
14*c66ec88fSEmmanuel Vadot- cs-gpios: see spi-bus.txt.
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel VadotExample:
17*c66ec88fSEmmanuel Vadot
18*c66ec88fSEmmanuel Vadot- SoC Specific Portion:
19*c66ec88fSEmmanuel Vadotspi0: spi@b00 {
20*c66ec88fSEmmanuel Vadot	compatible = "ralink,mt7621-spi";
21*c66ec88fSEmmanuel Vadot	reg = <0xb00 0x100>;
22*c66ec88fSEmmanuel Vadot	#address-cells = <1>;
23*c66ec88fSEmmanuel Vadot	#size-cells = <0>;
24*c66ec88fSEmmanuel Vadot	resets = <&rstctrl 18>;
25*c66ec88fSEmmanuel Vadot	reset-names = "spi";
26*c66ec88fSEmmanuel Vadot};
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