Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 Jablotron s.r.o. -- http://www.jablotron.com/ |
| 3 | * Author: Rostislav Lisovy <lisovy@jablotron.cz> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation. |
| 8 | */ |
| 9 | #include "am33xx.dtsi" |
Roger Quadros | 0375214 | 2016-02-23 18:37:21 +0200 | [diff] [blame] | 10 | #include <dt-bindings/interrupt-controller/irq.h> |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 11 | |
| 12 | / { |
| 13 | model = "Grinn AM335x ChiliSOM"; |
| 14 | compatible = "grinn,am335x-chilisom", "ti,am33xx"; |
| 15 | |
| 16 | cpus { |
| 17 | cpu@0 { |
| 18 | cpu0-supply = <&dcdc2_reg>; |
| 19 | }; |
| 20 | }; |
| 21 | |
Javier Martinez Canillas | 278cb79 | 2016-08-31 12:35:30 +0200 | [diff] [blame] | 22 | memory@80000000 { |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 23 | device_type = "memory"; |
| 24 | reg = <0x80000000 0x20000000>; /* 512 MB */ |
| 25 | }; |
| 26 | }; |
| 27 | |
| 28 | &am33xx_pinmux { |
| 29 | pinctrl-names = "default"; |
| 30 | |
| 31 | i2c0_pins: pinmux_i2c0_pins { |
| 32 | pinctrl-single,pins = < |
Javier Martinez Canillas | 9d945f8 | 2015-11-13 01:53:45 -0300 | [diff] [blame] | 33 | AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ |
| 34 | AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 35 | >; |
| 36 | }; |
| 37 | |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 38 | nandflash_pins: nandflash_pins { |
| 39 | pinctrl-single,pins = < |
Javier Martinez Canillas | 9d945f8 | 2015-11-13 01:53:45 -0300 | [diff] [blame] | 40 | AM33XX_IOPAD(0x800, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ |
| 41 | AM33XX_IOPAD(0x804, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ |
| 42 | AM33XX_IOPAD(0x808, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ |
| 43 | AM33XX_IOPAD(0x80c, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ |
| 44 | AM33XX_IOPAD(0x810, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ |
| 45 | AM33XX_IOPAD(0x814, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ |
| 46 | AM33XX_IOPAD(0x818, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ |
| 47 | AM33XX_IOPAD(0x81c, PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 48 | |
Javier Martinez Canillas | 9d945f8 | 2015-11-13 01:53:45 -0300 | [diff] [blame] | 49 | AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ |
| 50 | AM33XX_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ |
| 51 | AM33XX_IOPAD(0x890, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ |
| 52 | AM33XX_IOPAD(0x894, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ |
| 53 | AM33XX_IOPAD(0x898, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_wen.gpmc_wen */ |
| 54 | AM33XX_IOPAD(0x89c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */ |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 55 | >; |
| 56 | }; |
| 57 | }; |
| 58 | |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 59 | &i2c0 { |
| 60 | pinctrl-names = "default"; |
| 61 | pinctrl-0 = <&i2c0_pins>; |
| 62 | |
| 63 | status = "okay"; |
| 64 | clock-frequency = <400000>; |
| 65 | |
| 66 | tps: tps@24 { |
| 67 | reg = <0x24>; |
| 68 | }; |
| 69 | |
| 70 | }; |
| 71 | |
Peter Ujfalusi | e327b3f | 2016-02-19 16:12:19 +0200 | [diff] [blame] | 72 | /include/ "tps65217.dtsi" |
| 73 | |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 74 | &tps { |
| 75 | regulators { |
| 76 | dcdc1_reg: regulator@0 { |
| 77 | regulator-name = "vdds_dpr"; |
| 78 | regulator-always-on; |
| 79 | }; |
| 80 | |
| 81 | dcdc2_reg: regulator@1 { |
| 82 | /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ |
| 83 | regulator-name = "vdd_mpu"; |
| 84 | regulator-min-microvolt = <925000>; |
| 85 | regulator-max-microvolt = <1325000>; |
| 86 | regulator-boot-on; |
| 87 | regulator-always-on; |
| 88 | }; |
| 89 | |
| 90 | dcdc3_reg: regulator@2 { |
| 91 | /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ |
| 92 | regulator-name = "vdd_core"; |
| 93 | regulator-min-microvolt = <925000>; |
| 94 | regulator-max-microvolt = <1150000>; |
| 95 | regulator-boot-on; |
| 96 | regulator-always-on; |
| 97 | }; |
| 98 | |
| 99 | ldo1_reg: regulator@3 { |
| 100 | regulator-name = "vio,vrtc,vdds"; |
| 101 | regulator-boot-on; |
| 102 | regulator-always-on; |
| 103 | }; |
| 104 | |
| 105 | ldo2_reg: regulator@4 { |
| 106 | regulator-name = "vdd_3v3aux"; |
| 107 | regulator-boot-on; |
| 108 | regulator-always-on; |
| 109 | }; |
| 110 | |
| 111 | ldo3_reg: regulator@5 { |
| 112 | regulator-name = "vdd_1v8"; |
| 113 | regulator-boot-on; |
| 114 | regulator-always-on; |
| 115 | }; |
| 116 | |
| 117 | ldo4_reg: regulator@6 { |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 118 | regulator-name = "vdd_3v3d"; |
| 119 | regulator-boot-on; |
| 120 | regulator-always-on; |
| 121 | }; |
| 122 | }; |
| 123 | }; |
| 124 | |
Marcin Niestroj | 1ae5762 | 2016-04-13 10:44:17 +0200 | [diff] [blame] | 125 | &rtc { |
| 126 | system-power-controller; |
Marcin Niestroj | 484e3e7 | 2016-12-09 12:33:27 +0100 | [diff] [blame] | 127 | |
| 128 | pinctrl-0 = <&ext_wakeup>; |
| 129 | pinctrl-names = "default"; |
| 130 | |
| 131 | ext_wakeup: ext-wakeup { |
| 132 | pins = "ext_wakeup0"; |
| 133 | input-enable; |
| 134 | }; |
Marcin Niestroj | 1ae5762 | 2016-04-13 10:44:17 +0200 | [diff] [blame] | 135 | }; |
| 136 | |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 137 | /* NAND Flash */ |
| 138 | &elm { |
| 139 | status = "okay"; |
| 140 | }; |
| 141 | |
| 142 | &gpmc { |
| 143 | status = "okay"; |
| 144 | pinctrl-names = "default"; |
| 145 | pinctrl-0 = <&nandflash_pins>; |
| 146 | ranges = <0 0 0x08000000 0x01000000>; /* CS0 0 @addr 0x08000000, size 0x01000000 */ |
| 147 | nand@0,0 { |
Roger Quadros | 0375214 | 2016-02-23 18:37:21 +0200 | [diff] [blame] | 148 | compatible = "ti,omap2-nand"; |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 149 | reg = <0 0 4>; /* CS0, offset 0, IO size 4 */ |
Roger Quadros | 0375214 | 2016-02-23 18:37:21 +0200 | [diff] [blame] | 150 | interrupt-parent = <&gpmc>; |
| 151 | interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */ |
| 152 | <1 IRQ_TYPE_NONE>; /* termcount */ |
Roger Quadros | 63015d7 | 2016-04-07 13:25:39 +0300 | [diff] [blame] | 153 | rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */ |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 154 | ti,nand-ecc-opt = "bch8"; |
| 155 | ti,elm-id = <&elm>; |
| 156 | nand-bus-width = <8>; |
| 157 | gpmc,device-width = <1>; |
| 158 | gpmc,sync-clk-ps = <0>; |
| 159 | gpmc,cs-on-ns = <0>; |
| 160 | gpmc,cs-rd-off-ns = <44>; |
| 161 | gpmc,cs-wr-off-ns = <44>; |
| 162 | gpmc,adv-on-ns = <6>; |
| 163 | gpmc,adv-rd-off-ns = <34>; |
| 164 | gpmc,adv-wr-off-ns = <44>; |
| 165 | gpmc,we-on-ns = <0>; |
| 166 | gpmc,we-off-ns = <40>; |
| 167 | gpmc,oe-on-ns = <0>; |
| 168 | gpmc,oe-off-ns = <54>; |
| 169 | gpmc,access-ns = <64>; |
| 170 | gpmc,rd-cycle-ns = <82>; |
| 171 | gpmc,wr-cycle-ns = <82>; |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 172 | gpmc,bus-turnaround-ns = <0>; |
| 173 | gpmc,cycle2cycle-delay-ns = <0>; |
| 174 | gpmc,clk-activation-ns = <0>; |
Rostislav Lisovy | 11d938d | 2015-02-09 15:48:04 +0100 | [diff] [blame] | 175 | gpmc,wr-access-ns = <40>; |
| 176 | gpmc,wr-data-mux-bus-ns = <0>; |
| 177 | }; |
| 178 | }; |