1 /* 2 * Common support for Siemens Draco SOM (AM335x based) 3 * 4 * Copyright (C) 2013,2014 - Stefan Roese <sr (at) 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 }; 170
