Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 3 | * SoM: https://www.ti.com/lit/zip/sprr439 |
| 4 | * |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 5 | * Copyright (C) 2021 Texas Instruments Incorporated - https://www.ti.com/ |
| 6 | */ |
| 7 | |
| 8 | /dts-v1/; |
| 9 | |
| 10 | #include "k3-j721s2.dtsi" |
| 11 | #include <dt-bindings/gpio/gpio.h> |
| 12 | |
| 13 | / { |
| 14 | memory@80000000 { |
| 15 | device_type = "memory"; |
| 16 | /* 16 GB RAM */ |
| 17 | reg = <0x00 0x80000000 0x00 0x80000000>, |
| 18 | <0x08 0x80000000 0x03 0x80000000>; |
| 19 | }; |
| 20 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 21 | /* Reserving memory regions still pending */ |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 22 | reserved_memory: reserved-memory { |
| 23 | #address-cells = <2>; |
| 24 | #size-cells = <2>; |
| 25 | ranges; |
| 26 | |
| 27 | secure_ddr: optee@9e800000 { |
| 28 | reg = <0x00 0x9e800000 0x00 0x01800000>; |
| 29 | alignment = <0x1000>; |
| 30 | no-map; |
| 31 | }; |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 32 | }; |
| 33 | |
| 34 | mux0: mux-controller { |
| 35 | compatible = "gpio-mux"; |
| 36 | #mux-state-cells = <1>; |
| 37 | mux-gpios = <&exp_som 1 GPIO_ACTIVE_HIGH>; |
| 38 | }; |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 39 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 40 | mux1: mux-controller { |
| 41 | compatible = "gpio-mux"; |
| 42 | #mux-state-cells = <1>; |
| 43 | mux-gpios = <&exp_som 2 GPIO_ACTIVE_HIGH>; |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 44 | }; |
| 45 | |
| 46 | transceiver0: can-phy0 { |
| 47 | /* standby pin has been grounded by default */ |
| 48 | compatible = "ti,tcan1042"; |
| 49 | #phy-cells = <0>; |
| 50 | max-bitrate = <5000000>; |
| 51 | }; |
| 52 | }; |
| 53 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 54 | &wkup_pmx0 { |
| 55 | mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-default-pins { |
| 56 | pinctrl-single,pins = < |
| 57 | J721S2_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (D19) MCU_OSPI0_CLK */ |
| 58 | J721S2_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F15) MCU_OSPI0_CSn0 */ |
| 59 | J721S2_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (C19) MCU_OSPI0_D0 */ |
| 60 | J721S2_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (F16) MCU_OSPI0_D1 */ |
| 61 | J721S2_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (G15) MCU_OSPI0_D2 */ |
| 62 | J721S2_WKUP_IOPAD(0x018, PIN_INPUT, 0) /* (F18) MCU_OSPI0_D3 */ |
| 63 | J721S2_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (E19) MCU_OSPI0_D4 */ |
| 64 | J721S2_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (G19) MCU_OSPI0_D5 */ |
| 65 | J721S2_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (F19) MCU_OSPI0_D6 */ |
| 66 | J721S2_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (F20) MCU_OSPI0_D7 */ |
| 67 | J721S2_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (E18) MCU_OSPI0_DQS */ |
| 68 | J721S2_WKUP_IOPAD(0x004, PIN_INPUT, 0) /* (E20) MCU_OSPI0_LBCLKO */ |
| 69 | >; |
| 70 | }; |
| 71 | }; |
| 72 | |
| 73 | &wkup_pmx2 { |
| 74 | wkup_i2c0_pins_default: wkup-i2c0-default-pins { |
| 75 | pinctrl-single,pins = < |
| 76 | J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (H24) WKUP_I2C0_SCL */ |
| 77 | J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (H27) WKUP_I2C0_SDA */ |
| 78 | >; |
| 79 | }; |
| 80 | }; |
| 81 | |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 82 | &main_pmx0 { |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 83 | main_i2c0_pins_default: main-i2c0-default-pins { |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 84 | pinctrl-single,pins = < |
| 85 | J721S2_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AH25) I2C0_SCL */ |
| 86 | J721S2_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AE24) I2C0_SDA */ |
| 87 | >; |
| 88 | }; |
| 89 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 90 | main_mcan16_pins_default: main-mcan16-default-pins { |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 91 | pinctrl-single,pins = < |
| 92 | J721S2_IOPAD(0x028, PIN_INPUT, 0) /* (AB24) MCAN16_RX */ |
| 93 | J721S2_IOPAD(0x024, PIN_OUTPUT, 0) /* (Y28) MCAN16_TX */ |
| 94 | >; |
| 95 | }; |
| 96 | }; |
| 97 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 98 | &wkup_i2c0 { |
| 99 | status = "okay"; |
| 100 | pinctrl-names = "default"; |
| 101 | pinctrl-0 = <&wkup_i2c0_pins_default>; |
| 102 | clock-frequency = <400000>; |
| 103 | |
| 104 | eeprom@50 { |
| 105 | /* CAV24C256WE-GT3 */ |
| 106 | compatible = "atmel,24c256"; |
| 107 | reg = <0x50>; |
| 108 | }; |
| 109 | }; |
| 110 | |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 111 | &main_i2c0 { |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 112 | status = "okay"; |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 113 | pinctrl-names = "default"; |
| 114 | pinctrl-0 = <&main_i2c0_pins_default>; |
| 115 | clock-frequency = <400000>; |
| 116 | |
| 117 | exp_som: gpio@21 { |
| 118 | compatible = "ti,tca6408"; |
| 119 | reg = <0x21>; |
| 120 | gpio-controller; |
| 121 | #gpio-cells = <2>; |
| 122 | gpio-line-names = "USB2.0_MUX_SEL", "CANUART_MUX1_SEL0", |
| 123 | "CANUART_MUX2_SEL0", "CANUART_MUX_SEL1", |
| 124 | "GPIO_RGMII1_RST", "GPIO_eDP_ENABLE", |
| 125 | "GPIO_LIN_EN", "CAN_STB"; |
| 126 | }; |
| 127 | }; |
| 128 | |
| 129 | &main_mcan16 { |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 130 | status = "okay"; |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 131 | pinctrl-0 = <&main_mcan16_pins_default>; |
| 132 | pinctrl-names = "default"; |
| 133 | phys = <&transceiver0>; |
| 134 | }; |
| 135 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 136 | &ospi0 { |
| 137 | status = "okay"; |
| 138 | pinctrl-names = "default"; |
| 139 | pinctrl-0 = <&mcu_fss0_ospi0_pins_default>; |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 140 | |
Manorit Chawdhry | 377cc64 | 2023-10-06 10:15:58 +0530 | [diff] [blame] | 141 | flash@0 { |
| 142 | compatible = "jedec,spi-nor"; |
| 143 | reg = <0x0>; |
| 144 | spi-tx-bus-width = <8>; |
| 145 | spi-rx-bus-width = <8>; |
| 146 | spi-max-frequency = <25000000>; |
| 147 | cdns,tshsl-ns = <60>; |
| 148 | cdns,tsd2d-ns = <60>; |
| 149 | cdns,tchsh-ns = <60>; |
| 150 | cdns,tslch-ns = <60>; |
| 151 | cdns,read-delay = <4>; |
| 152 | }; |
Aswath Govindraju | 20973c3 | 2022-01-25 20:56:41 +0530 | [diff] [blame] | 153 | }; |