1 NXP LPC1850 Reset Generation Unit (RGU)
2 ========================================
3
4 Please also refer to reset.txt in this directory for common reset
5 controller binding usage.
6
7 Required 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
14 See table below for valid peripheral reset numbers. Numbers not
15 in the table below are either reserved or not applicable for
16 normal operation.
17
18 Reset 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
61 Refer to NXP LPC18xx or LPC43xx user manual for more details about
62 the reset signals and the connected block/peripheral.
63
64 Reset provider example:
65 rgu: 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
73 Reset consumer example:
74 mac: 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 };
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