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 24 i2c0: i2c@44e0b000 { 25 pinctrl-names = "default"; 26 pinctrl-0 = <&i2c0_pins>; 27 28 status = "okay"; 29 clock-frequency = <400000>; 30 31 eeprom: eeprom@50 { 32 compatible = "atmel,24c128"; 33 reg = <0x50>; 34 pagesize = <64>; 35 }; 36 }; 37 38 musb: usb@47400000 { 39 status = "okay"; 40 41 control@44e10620 { 42 status = "okay"; 43 }; 44 45 usb-phy@47401300 { 46 status = "okay"; 47 }; 48 49 usb-phy@47401b00 { 50 status = "okay"; 51 }; 52 53 usb@47401000 { 54 status = "okay"; 55 }; 56 57 usb@47401800 { 58 status = "okay"; 59 dr_mode = "host"; 60 }; 61 62 dma-controller@47402000 { 63 status = "okay"; 64 }; 65 }; 66 }; 67}; 68 69&am33xx_pinmux { 70 i2c0_pins: pinmux_i2c0_pins { 71 pinctrl-single,pins = < 72 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */ 73 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */ 74 >; 75 }; 76 77 uart0_pins: pinmux_uart0_pins { 78 pinctrl-single,pins = < 79 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ 80 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */ 81 >; 82 }; 83 84 nandflash_pins: nandflash_pins { 85 pinctrl-single,pins = < 86 0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ 87 0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ 88 0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ 89 0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ 90 0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ 91 0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ 92 0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ 93 0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ 94 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ 95 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */ 96 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */ 97 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */ 98 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */ 99 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */ 100 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */ 101 >; 102 }; 103 }; 104 105 106&timer3 { 107 status = "disabled"; 108}; 109 110&uart0 { 111 pinctrl-names = "default"; 112 pinctrl-0 = <&uart0_pins>; 113 status = "okay"; 114}; 115 116&uart4 { 117 status = "disabled"; 118}; 119 120&elm { 121 status = "okay"; 122}; 123 124&gpmc { 125 status = "okay"; 126 pinctrl-names = "default"; 127 pinctrl-0 = <&nandflash_pins>; 128 129 ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ 130 131 nand@0,0 { 132 reg = <0 0 0>; /* CS0, offset 0 */ 133 nand-bus-width = <8>; 134 ti,nand-ecc-opt = "bch8"; 135 gpmc,device-nand = "true"; 136 gpmc,device-width = <1>; 137 gpmc,sync-clk-ps = <0>; 138 gpmc,cs-on-ns = <0>; 139 gpmc,cs-rd-off-ns = <44>; 140 gpmc,cs-wr-off-ns = <44>; 141 gpmc,adv-on-ns = <6>; 142 gpmc,adv-rd-off-ns = <34>; 143 gpmc,adv-wr-off-ns = <44>; 144 gpmc,we-on-ns = <0>; 145 gpmc,we-off-ns = <40>; 146 gpmc,oe-on-ns = <0>; 147 gpmc,oe-off-ns = <54>; 148 gpmc,access-ns = <64>; 149 gpmc,rd-cycle-ns = <82>; 150 gpmc,wr-cycle-ns = <82>; 151 gpmc,wait-on-read = "true"; 152 gpmc,wait-on-write = "true"; 153 gpmc,bus-turnaround-ns = <0>; 154 gpmc,cycle2cycle-delay-ns = <0>; 155 gpmc,clk-activation-ns = <0>; 156 gpmc,wait-monitoring-ns = <0>; 157 gpmc,wr-access-ns = <40>; 158 gpmc,wr-data-mux-bus-ns = <0>; 159 160 #address-cells = <1>; 161 #size-cells = <1>; 162 elm_id = <&elm>; 163 }; 164}; 165 166/* disable the RTC node as its not accessible on the draco/dxr2 board */ 167&rtc { 168 status = "disabled"; 169 ti,hwmods = "disabled"; 170}; 171