5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* at91sam9x5_usart3.dtsi - Device Tree Include file for AT91SAM9x5 SoC with
* 4 USART.
*
* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
*
* Licensed under GPLv2.
*/
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
aliases {
serial4 = &usart3;
};
ahb {
apb {
pinctrl@fffff400 {
usart3 {
pinctrl_usart3: usart3-0 {
atmel,pins =
<AT91_PIOC 22 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PC22 periph B with pullup */
AT91_PIOC 23 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC23 periph B */
};
pinctrl_usart3_rts: usart3_rts-0 {
atmel,pins =
<AT91_PIOC 24 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC24 periph B */
};
pinctrl_usart3_cts: usart3_cts-0 {
atmel,pins =
<AT91_PIOC 25 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC25 periph B */
};
pinctrl_usart3_sck: usart3_sck-0 {
atmel,pins =
<AT91_PIOC 26 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC26 periph B */
};
};
};
pmc: pmc@fffffc00 {
periphck {
usart3_clk: usart3_clk {
#clock-cells = <0>;
reg = <8>;
};
};
};
usart3: serial@f8028000 {
compatible = "atmel,at91sam9260-usart";
reg = <0xf8028000 0x200>;
interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart3>;
dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(14)>,
<&dma1 1 (AT91_DMA_CFG_PER_ID(15) | AT91_DMA_CFG_FIFOCFG_ASAP)>;
dma-names = "tx", "rx";
clocks = <&usart3_clk>;
clock-names = "usart";
status = "disabled";
};
};
};
};
|