1 Broadcom Cygnus IOMUX Controller 1 Broadcom Cygnus IOMUX Controller
2 2
3 The Cygnus IOMUX controller supports group bas 3 The Cygnus IOMUX controller supports group based mux configuration. In
4 addition, certain pins can be muxed to GPIO fu 4 addition, certain pins can be muxed to GPIO function individually.
5 5
6 Required properties: 6 Required properties:
7 7
8 - compatible: 8 - compatible:
9 Must be "brcm,cygnus-pinmux" 9 Must be "brcm,cygnus-pinmux"
10 10
11 - reg: 11 - reg:
12 Define the base and range of the I/O addre 12 Define the base and range of the I/O address space that contains the Cygnus
13 IOMUX registers 13 IOMUX registers
14 14
15 Properties in subnodes: 15 Properties in subnodes:
16 16
17 - function: 17 - function:
18 The mux function to select 18 The mux function to select
19 19
20 - groups: 20 - groups:
21 The list of groups to select with a given 21 The list of groups to select with a given function
22 22
23 For more details, refer to 23 For more details, refer to
24 Documentation/devicetree/bindings/pinctrl/pinc 24 Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
25 25
26 For example: 26 For example:
27 27
28 pinmux: pinmux@0301d0c8 { !! 28 pinmux: pinmux@0x0301d0c8 {
29 compatible = "brcm,cygnus-pinm 29 compatible = "brcm,cygnus-pinmux";
30 reg = <0x0301d0c8 0x1b0>; 30 reg = <0x0301d0c8 0x1b0>;
31 31
32 pinctrl-names = "default"; 32 pinctrl-names = "default";
33 pinctrl-0 = <&i2s0_default>; 33 pinctrl-0 = <&i2s0_default>;
34 34
35 i2s0_default: i2s0_default { 35 i2s0_default: i2s0_default {
36 mux { 36 mux {
37 function = "i2 37 function = "i2s0";
38 groups = "i2s0 38 groups = "i2s0_0_grp", "i2s0_1_grp";
39 }; 39 };
40 }; 40 };
41 }; 41 };
42 42
43 List of supported functions and groups in Cygn 43 List of supported functions and groups in Cygnus:
44 44
45 "i2s0": "i2s0_0_grp", "i2s0_1_grp" 45 "i2s0": "i2s0_0_grp", "i2s0_1_grp"
46 46
47 "i2s1": "i2s1_0_grp", "i2s1_1_grp" 47 "i2s1": "i2s1_0_grp", "i2s1_1_grp"
48 48
49 "i2s2": "i2s2_0_grp", "i2s2_1_grp", "i2s2_2_gr 49 "i2s2": "i2s2_0_grp", "i2s2_1_grp", "i2s2_2_grp", "i2s2_3_grp", "i2s2_4_grp"
50 50
51 "spdif": "spdif_grp" 51 "spdif": "spdif_grp"
52 52
53 "pwm0": "pwm0_grp" 53 "pwm0": "pwm0_grp"
54 54
55 "pwm1": "pwm1_grp" 55 "pwm1": "pwm1_grp"
56 56
57 "pwm2": "pwm2_grp" 57 "pwm2": "pwm2_grp"
58 58
59 "pwm3": "pwm3_grp" 59 "pwm3": "pwm3_grp"
60 60
61 "pwm4": "pwm4_grp" 61 "pwm4": "pwm4_grp"
62 62
63 "pwm5": "pwm5_grp" 63 "pwm5": "pwm5_grp"
64 64
65 "key": "key0_grp", "key1_grp", "key2_grp", "ke 65 "key": "key0_grp", "key1_grp", "key2_grp", "key3_grp", "key4_grp", "key5_grp",
66 "key6_grp", "key7_grp", "key8_grp", "key9_grp" 66 "key6_grp", "key7_grp", "key8_grp", "key9_grp", "key10_grp", "key11_grp",
67 "key12_grp", "key13_grp", "key14_grp", "key15_ 67 "key12_grp", "key13_grp", "key14_grp", "key15_grp"
68 68
69 "audio_dte": "audio_dte0_grp", "audio_dte1_grp 69 "audio_dte": "audio_dte0_grp", "audio_dte1_grp", "audio_dte2_grp", "audio_dte3_grp"
70 70
71 "smart_card0": "smart_card0_grp", "smart_card0 71 "smart_card0": "smart_card0_grp", "smart_card0_fcb_grp"
72 72
73 "smart_card1": "smart_card1_grp", "smart_card1 73 "smart_card1": "smart_card1_grp", "smart_card1_fcb_grp"
74 74
75 "spi0": "spi0_grp" 75 "spi0": "spi0_grp"
76 76
77 "spi1": "spi1_grp" 77 "spi1": "spi1_grp"
78 78
79 "spi2": "spi2_grp" 79 "spi2": "spi2_grp"
80 80
81 "spi3": "spi3_grp" 81 "spi3": "spi3_grp"
82 82
83 "spi4": "spi4_0_grp", "spi4_1_grp" 83 "spi4": "spi4_0_grp", "spi4_1_grp"
84 84
85 "spi5": "spi5_grp" 85 "spi5": "spi5_grp"
86 86
87 "sw_led0": "sw_led0_0_grp", "sw_led0_1_grp" 87 "sw_led0": "sw_led0_0_grp", "sw_led0_1_grp"
88 88
89 "sw_led1": "sw_led1_grp" 89 "sw_led1": "sw_led1_grp"
90 90
91 "sw_led2": "sw_led2_0_grp", "sw_led2_1_grp" 91 "sw_led2": "sw_led2_0_grp", "sw_led2_1_grp"
92 92
93 "d1w": "d1w_grp" 93 "d1w": "d1w_grp"
94 94
95 "lcd": "lcd_grp" 95 "lcd": "lcd_grp"
96 96
97 "sram": "sram_0_grp", "sram_1_grp" 97 "sram": "sram_0_grp", "sram_1_grp"
98 98
99 "uart0": "uart0_grp" 99 "uart0": "uart0_grp"
100 100
101 "uart1": "uart1_grp", "uart1_dte_grp" 101 "uart1": "uart1_grp", "uart1_dte_grp"
102 102
103 "uart2": "uart2_grp" 103 "uart2": "uart2_grp"
104 104
105 "uart3": "uart3_grp" 105 "uart3": "uart3_grp"
106 106
107 "uart4": "uart4_grp" 107 "uart4": "uart4_grp"
108 108
109 "qspi": "qspi_0_grp", "qspi_1_grp" 109 "qspi": "qspi_0_grp", "qspi_1_grp"
110 110
111 "nand": "nand_grp" 111 "nand": "nand_grp"
112 112
113 "sdio0": "sdio0_grp", "sdio0_cd_grp", "sdio0_m 113 "sdio0": "sdio0_grp", "sdio0_cd_grp", "sdio0_mmc_grp"
114 114
115 "sdio1": "sdio1_data_0_grp", "sdio1_data_1_grp 115 "sdio1": "sdio1_data_0_grp", "sdio1_data_1_grp", "sdio1_cd_grp",
116 "sdio1_led_grp", "sdio1_mmc_grp" 116 "sdio1_led_grp", "sdio1_mmc_grp"
117 117
118 "can0": "can0_grp" 118 "can0": "can0_grp"
119 119
120 "can1": "can1_grp" 120 "can1": "can1_grp"
121 121
122 "cam": "cam_led_grp", "cam_0_grp", "cam_1_grp" 122 "cam": "cam_led_grp", "cam_0_grp", "cam_1_grp"
123 123
124 "bsc1": "bsc1_grp" 124 "bsc1": "bsc1_grp"
125 125
126 "pcie_clkreq": "pcie_clkreq_grp" 126 "pcie_clkreq": "pcie_clkreq_grp"
127 127
128 "usb0_oc": "usb0_oc_grp" 128 "usb0_oc": "usb0_oc_grp"
129 129
130 "usb1_oc": "usb1_oc_grp" 130 "usb1_oc": "usb1_oc_grp"
131 131
132 "usb2_oc": "usb2_oc_grp" 132 "usb2_oc": "usb2_oc_grp"
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