1 // SPDX-License-Identifier: (GPL-2.0-only OR B 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* 2 /*
3 * Copyright 2024 Mobileye Vision Technologies 3 * Copyright 2024 Mobileye Vision Technologies Ltd.
4 */ 4 */
5 5
6 /* 6 /*
7 * MUX register structure 7 * MUX register structure
8 * bits | field | comment 8 * bits | field | comment
9 * [0] | MUX_SEL | 0 - GPIO, 1 - altern 9 * [0] | MUX_SEL | 0 - GPIO, 1 - alternative func
10 * [4] | SW_LOOPBACK| 10 * [4] | SW_LOOPBACK|
11 * [5] | SW_OUT_HZ | 11 * [5] | SW_OUT_HZ |
12 * [7] | DBG_IN | 12 * [7] | DBG_IN |
13 * [11:8] | DS | drive strength 13 * [11:8] | DS | drive strength
14 * [13:12] | PUD | pull-up/pull-down. 0 14 * [13:12] | PUD | pull-up/pull-down. 0, 3 - no, 1 - PD, 2 - PU
15 * [14] | OD | Open drain 15 * [14] | OD | Open drain
16 * [15] | ST_CFG | Hysteretic input ena 16 * [15] | ST_CFG | Hysteretic input enable (Schmitt trigger)
17 */ 17 */
18 18
19 &pinctrl_west { 19 &pinctrl_west {
20 // TODO: use pinctrl-single,bias-pullu 20 // TODO: use pinctrl-single,bias-pullup
21 // TODO: use pinctrl-single,bias-pulld 21 // TODO: use pinctrl-single,bias-pulldown
22 // TODO: use pinctrl-single,drive-stre 22 // TODO: use pinctrl-single,drive-strength
23 // TODO: use pinctrl-single,input-schm 23 // TODO: use pinctrl-single,input-schmitt
24 24
25 i2c0_pins: i2c0-pins { 25 i2c0_pins: i2c0-pins {
26 pinctrl-single,pins = < 26 pinctrl-single,pins = <
27 0x000 0x200 // I2C 27 0x000 0x200 // I2C0_SCL pin
28 0x004 0x200 // I2C 28 0x004 0x200 // I2C0_SDA pin
29 >; 29 >;
30 }; 30 };
31 i2c1_pins: i2c1-pins { 31 i2c1_pins: i2c1-pins {
32 pinctrl-single,pins = < 32 pinctrl-single,pins = <
33 0x008 0x200 // I2C 33 0x008 0x200 // I2C1_SCL pin
34 0x00c 0x200 // I2C 34 0x00c 0x200 // I2C1_SDA pin
35 >; 35 >;
36 }; 36 };
37 eth0_pins: eth0-pins { 37 eth0_pins: eth0-pins {
38 pinctrl-single,pins = < 38 pinctrl-single,pins = <
39 0x080 1 // GPI 39 0x080 1 // GPIO_C4__SMA0_MDC pin
40 0x084 1 // GPI 40 0x084 1 // GPIO_C5__SMA0_MDIO pin
41 >; 41 >;
42 }; 42 };
43 uart0_pins: uart0-pins { 43 uart0_pins: uart0-pins {
44 pinctrl-single,pins = <0x0a8 1 44 pinctrl-single,pins = <0x0a8 1>; // UART0 pin group
45 }; 45 };
46 uart1_pins: uart1-pins { 46 uart1_pins: uart1-pins {
47 pinctrl-single,pins = <0x0a0 1 47 pinctrl-single,pins = <0x0a0 1>; // UART1 pin group
48 }; 48 };
49 spi0_pins: spi0-pins { 49 spi0_pins: spi0-pins {
50 pinctrl-single,pins = <0x0ac 1 50 pinctrl-single,pins = <0x0ac 1>; // SPI0 pin group
51 }; 51 };
52 spi1_pins: spi1-pins { 52 spi1_pins: spi1-pins {
53 pinctrl-single,pins = <0x0a4 1 53 pinctrl-single,pins = <0x0a4 1>; // SPI1 pin group
54 }; 54 };
55 }; 55 };
56 56
57 &pinctrl_east { 57 &pinctrl_east {
58 i2c2_pins: i2c2-pins { 58 i2c2_pins: i2c2-pins {
59 pinctrl-single,pins = < 59 pinctrl-single,pins = <
60 0x000 0x200 // i2c 60 0x000 0x200 // i2c2_SCL pin
61 0x004 0x200 // i2c 61 0x004 0x200 // i2c2_SDA pin
62 >; 62 >;
63 }; 63 };
64 i2c3_pins: i2c3-pins { 64 i2c3_pins: i2c3-pins {
65 pinctrl-single,pins = < 65 pinctrl-single,pins = <
66 0x008 0x200 // i2c 66 0x008 0x200 // i2c3_SCL pin
67 0x00c 0x200 // i2c 67 0x00c 0x200 // i2c3_SDA pin
68 >; 68 >;
69 }; 69 };
70 eth1_pins: eth1-pins { 70 eth1_pins: eth1-pins {
71 pinctrl-single,pins = < 71 pinctrl-single,pins = <
72 0x080 1 // GPIO_D4__SM 72 0x080 1 // GPIO_D4__SMA1_MDC pin
73 0x084 1 // GPIO_D5__SM 73 0x084 1 // GPIO_D5__SMA1_MDIO pin
74 >; 74 >;
75 }; 75 };
76 uart2_sel_pins: uart2-pins { 76 uart2_sel_pins: uart2-pins {
77 pinctrl-single,pins = <0x0a4 1 77 pinctrl-single,pins = <0x0a4 1>; // UART2 pin group
78 }; 78 };
79 uart3_pins: uart3-pins { 79 uart3_pins: uart3-pins {
80 pinctrl-single,pins = <0x09c 1 80 pinctrl-single,pins = <0x09c 1>; // UART3 pin group
81 }; 81 };
82 spi2_pins: spi2-pins { 82 spi2_pins: spi2-pins {
83 pinctrl-single,pins = <0x0a8 1 83 pinctrl-single,pins = <0x0a8 1>; // SPI2 pin group
84 }; 84 };
85 spi3_pins: spi3-pins { 85 spi3_pins: spi3-pins {
86 pinctrl-single,pins = <0x0a0 1 86 pinctrl-single,pins = <0x0a0 1>; // SPI3 pin group
87 }; 87 };
88 }; 88 };
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