xref: /freebsd/sys/contrib/device-tree/Bindings/spi/nvidia,tegra20-slink.txt (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1NVIDIA Tegra20/Tegra30 SLINK controller.
2
3Required properties:
4- compatible : should be "nvidia,tegra20-slink", "nvidia,tegra30-slink".
5- reg: Should contain SLINK registers location and length.
6- interrupts: Should contain SLINK interrupts.
7- clocks : Must contain one entry, for the module clock.
8  See ../clocks/clock-bindings.txt for details.
9- resets : Must contain an entry for each entry in reset-names.
10  See ../reset/reset.txt for details.
11- reset-names : Must include the following entries:
12  - spi
13- dmas : Must contain an entry for each entry in clock-names.
14  See ../dma/dma.txt for details.
15- dma-names : Must include the following entries:
16  - rx
17  - tx
18
19Recommended properties:
20- spi-max-frequency: Definition as per
21                     Documentation/devicetree/bindings/spi/spi-bus.txt
22
23Example:
24
25spi@7000d600 {
26	compatible = "nvidia,tegra20-slink";
27	reg = <0x7000d600 0x200>;
28	interrupts = <0 82 0x04>;
29	spi-max-frequency = <25000000>;
30	#address-cells = <1>;
31	#size-cells = <0>;
32	clocks = <&tegra_car 44>;
33	resets = <&tegra_car 44>;
34	reset-names = "spi";
35	dmas = <&apbdma 16>, <&apbdma 16>;
36	dma-names = "rx", "tx";
37};
38