xref: /freebsd/sys/contrib/device-tree/Bindings/reset/nxp,lpc1850-rgu.txt (revision f7c32ed617858bcd22f8d1b03199099d50125721)
1NXP LPC1850  Reset Generation Unit (RGU)
2========================================
3
4Please also refer to reset.txt in this directory for common reset
5controller binding usage.
6
7Required properties:
8- compatible: Should be "nxp,lpc1850-rgu"
9- reg: register base and length
10- clocks: phandle and clock specifier to RGU clocks
11- clock-names: should contain "delay" and "reg"
12- #reset-cells: should be 1
13
14See table below for valid peripheral reset numbers. Numbers not
15in the table below are either reserved or not applicable for
16normal operation.
17
18Reset	Peripheral
19  9	System control unit (SCU)
20 12	ARM Cortex-M0 subsystem core (LPC43xx only)
21 13	CPU core
22 16	LCD controller
23 17	USB0
24 18	USB1
25 19	DMA
26 20	SDIO
27 21	External memory controller (EMC)
28 22	Ethernet
29 25	Flash bank A
30 27	EEPROM
31 28	GPIO
32 29	Flash bank B
33 32	Timer0
34 33	Timer1
35 34	Timer2
36 35	Timer3
37 36	Repetitive Interrupt timer (RIT)
38 37	State Configurable Timer (SCT)
39 38	Motor control PWM (MCPWM)
40 39	QEI
41 40	ADC0
42 41	ADC1
43 42	DAC
44 44	USART0
45 45	UART1
46 46	USART2
47 47	USART3
48 48	I2C0
49 49	I2C1
50 50	SSP0
51 51	SSP1
52 52	I2S0 and I2S1
53 53	Serial Flash Interface (SPIFI)
54 54	C_CAN1
55 55	C_CAN0
56 56	ARM Cortex-M0 application core (LPC4370 only)
57 57	SGPIO (LPC43xx only)
58 58	SPI (LPC43xx only)
59 60	ADCHS (12-bit ADC) (LPC4370 only)
60
61Refer to NXP LPC18xx or LPC43xx user manual for more details about
62the reset signals and the connected block/peripheral.
63
64Reset provider example:
65rgu: reset-controller@40053000 {
66	compatible = "nxp,lpc1850-rgu";
67	reg = <0x40053000 0x1000>;
68	clocks = <&cgu BASE_SAFE_CLK>, <&ccu1 CLK_CPU_BUS>;
69	clock-names = "delay", "reg";
70	#reset-cells = <1>;
71};
72
73Reset consumer example:
74mac: ethernet@40010000 {
75	compatible = "nxp,lpc1850-dwmac", "snps,dwmac-3.611", "snps,dwmac";
76	reg = <0x40010000 0x2000>;
77	interrupts = <5>;
78	interrupt-names = "macirq";
79	clocks = <&ccu1 CLK_CPU_ETHERNET>;
80	clock-names = "stmmaceth";
81	resets = <&rgu 22>;
82	reset-names = "stmmaceth";
83};
84