Heiko Schocher | 7142343 | 2016-06-13 15:16:01 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Common support for Siemens Draco SOM (AM335x based) |
| 3 | * |
| 4 | * Copyright (C) 2013,2014 - Stefan Roese <sr@denx.de> |
| 5 | * |
| 6 | * This file is licensed under the terms of the GNU General Public License |
| 7 | * version 2. This program is licensed "as is" without any warranty of any |
| 8 | * kind, whether express or implied. |
| 9 | */ |
| 10 | |
| 11 | / { |
| 12 | chosen { |
| 13 | stdout-path = &uart0; |
| 14 | tick-timer = &timer2; |
| 15 | }; |
| 16 | |
| 17 | memory { |
| 18 | device_type = "memory"; |
| 19 | reg = <0x80000000 0x08000000>; /* 128 MB */ |
| 20 | }; |
| 21 | |
| 22 | ocp { |
| 23 | uart0: serial@44e09000 { |
| 24 | pinctrl-names = "default"; |
| 25 | pinctrl-0 = <&uart0_pins>; |
| 26 | status = "okay"; |
| 27 | }; |
| 28 | |
| 29 | i2c0: i2c@44e0b000 { |
| 30 | pinctrl-names = "default"; |
| 31 | pinctrl-0 = <&i2c0_pins>; |
| 32 | |
| 33 | status = "okay"; |
| 34 | clock-frequency = <400000>; |
| 35 | |
| 36 | eeprom: eeprom@50 { |
| 37 | compatible = "atmel,24c128"; |
| 38 | reg = <0x50>; |
| 39 | pagesize = <64>; |
| 40 | }; |
| 41 | }; |
| 42 | |
| 43 | musb: usb@47400000 { |
| 44 | status = "okay"; |
| 45 | |
| 46 | control@44e10620 { |
| 47 | status = "okay"; |
| 48 | }; |
| 49 | |
| 50 | usb-phy@47401300 { |
| 51 | status = "okay"; |
| 52 | }; |
| 53 | |
| 54 | usb-phy@47401b00 { |
| 55 | status = "okay"; |
| 56 | }; |
| 57 | |
| 58 | usb@47401000 { |
| 59 | status = "okay"; |
| 60 | }; |
| 61 | |
| 62 | usb@47401800 { |
| 63 | status = "okay"; |
| 64 | dr_mode = "host"; |
| 65 | }; |
| 66 | |
| 67 | dma-controller@47402000 { |
| 68 | status = "okay"; |
| 69 | }; |
| 70 | }; |
| 71 | }; |
| 72 | }; |
| 73 | |
| 74 | &am33xx_pinmux { |
| 75 | i2c0_pins: pinmux_i2c0_pins { |
| 76 | pinctrl-single,pins = < |
| 77 | 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ |
| 78 | 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ |
| 79 | >; |
| 80 | }; |
| 81 | |
| 82 | uart0_pins: pinmux_uart0_pins { |
| 83 | pinctrl-single,pins = < |
| 84 | 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ |
| 85 | 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ |
| 86 | >; |
| 87 | }; |
| 88 | |
| 89 | nandflash_pins: nandflash_pins { |
| 90 | pinctrl-single,pins = < |
| 91 | 0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ |
| 92 | 0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ |
| 93 | 0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ |
| 94 | 0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ |
| 95 | 0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ |
| 96 | 0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ |
| 97 | 0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ |
| 98 | 0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ |
| 99 | 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ |
| 100 | 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */ |
| 101 | 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ |
| 102 | 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ |
| 103 | 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ |
| 104 | 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */ |
| 105 | 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */ |
| 106 | >; |
| 107 | }; |
| 108 | }; |
| 109 | |
| 110 | |
| 111 | &timer3 { |
| 112 | status = "disabled"; |
| 113 | }; |
| 114 | |
| 115 | &uart4 { |
| 116 | status = "disabled"; |
| 117 | }; |
| 118 | |
| 119 | &elm { |
| 120 | status = "okay"; |
| 121 | }; |
| 122 | |
| 123 | &gpmc { |
| 124 | status = "okay"; |
| 125 | pinctrl-names = "default"; |
| 126 | pinctrl-0 = <&nandflash_pins>; |
| 127 | |
| 128 | ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ |
| 129 | |
| 130 | nand@0,0 { |
| 131 | reg = <0 0 0>; /* CS0, offset 0 */ |
| 132 | nand-bus-width = <8>; |
| 133 | ti,nand-ecc-opt = "bch8"; |
| 134 | gpmc,device-nand = "true"; |
| 135 | gpmc,device-width = <1>; |
| 136 | gpmc,sync-clk-ps = <0>; |
| 137 | gpmc,cs-on-ns = <0>; |
| 138 | gpmc,cs-rd-off-ns = <44>; |
| 139 | gpmc,cs-wr-off-ns = <44>; |
| 140 | gpmc,adv-on-ns = <6>; |
| 141 | gpmc,adv-rd-off-ns = <34>; |
| 142 | gpmc,adv-wr-off-ns = <44>; |
| 143 | gpmc,we-on-ns = <0>; |
| 144 | gpmc,we-off-ns = <40>; |
| 145 | gpmc,oe-on-ns = <0>; |
| 146 | gpmc,oe-off-ns = <54>; |
| 147 | gpmc,access-ns = <64>; |
| 148 | gpmc,rd-cycle-ns = <82>; |
| 149 | gpmc,wr-cycle-ns = <82>; |
| 150 | gpmc,wait-on-read = "true"; |
| 151 | gpmc,wait-on-write = "true"; |
| 152 | gpmc,bus-turnaround-ns = <0>; |
| 153 | gpmc,cycle2cycle-delay-ns = <0>; |
| 154 | gpmc,clk-activation-ns = <0>; |
| 155 | gpmc,wait-monitoring-ns = <0>; |
| 156 | gpmc,wr-access-ns = <40>; |
| 157 | gpmc,wr-data-mux-bus-ns = <0>; |
| 158 | |
| 159 | #address-cells = <1>; |
| 160 | #size-cells = <1>; |
| 161 | elm_id = <&elm>; |
| 162 | }; |
| 163 | }; |
| 164 | |
| 165 | /* disable the RTC node as its not accessible on the draco/dxr2 board */ |
| 166 | &rtc { |
| 167 | status = "disabled"; |
| 168 | ti,hwmods = "disabled"; |
| 169 | }; |