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Xilinx Zynq Reset Manager
The Zynq AP-SoC has several different resets.
See Chapter 26 of the Zynq TRM (UG585) for more information about Zynq resets.
Required properties:
- compatible: "xlnx,zynq-reset"
- reg: SLCR offset and size taken via syscon <0x200 0x48>
- syscon: <&slcr>
This should be a phandle to the Zynq's SLCR registers.
- #reset-cells: Must be 1
The Zynq Reset Manager needs to be a childnode of the SLCR.
Example:
rstc: rstc@200 {
compatible = "xlnx,zynq-reset";
reg = <0x200 0x48>;
#reset-cells = <1>;
syscon = <&slcr>;
};
Reset outputs:
0 : soft reset
32 : ddr reset
64 : topsw reset
96 : dmac reset
128: usb0 reset
129: usb1 reset
160: gem0 reset
161: gem1 reset
164: gem0 rx reset
165: gem1 rx reset
166: gem0 ref reset
167: gem1 ref reset
192: sdio0 reset
193: sdio1 reset
196: sdio0 ref reset
197: sdio1 ref reset
224: spi0 reset
225: spi1 reset
226: spi0 ref reset
227: spi1 ref reset
256: can0 reset
257: can1 reset
258: can0 ref reset
259: can1 ref reset
288: i2c0 reset
289: i2c1 reset
320: uart0 reset
321: uart1 reset
322: uart0 ref reset
323: uart1 ref reset
352: gpio reset
384: lqspi reset
385: qspi ref reset
416: smc reset
417: smc ref reset
448: ocm reset
512: fpga0 out reset
513: fpga1 out reset
514: fpga2 out reset
515: fpga3 out reset
544: a9 reset 0
545: a9 reset 1
552: peri reset
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