169 lines
3.8 KiB
Text
169 lines
3.8 KiB
Text
/*
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* Common support for Siemens Draco SOM (AM335x based)
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*
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* Copyright (C) 2013,2014 - Stefan Roese <sr@denx.de>
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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/ {
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chosen {
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stdout-path = &uart0;
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tick-timer = &timer2;
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};
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memory {
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device_type = "memory";
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reg = <0x80000000 0x08000000>; /* 128 MB */
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};
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ocp {
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uart0: serial@44e09000 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins>;
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status = "okay";
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};
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i2c0: i2c@44e0b000 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins>;
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status = "okay";
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clock-frequency = <400000>;
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eeprom: eeprom@50 {
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compatible = "atmel,24c128";
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reg = <0x50>;
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pagesize = <64>;
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};
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};
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musb: usb@47400000 {
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status = "okay";
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control@44e10620 {
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status = "okay";
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};
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usb-phy@47401300 {
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status = "okay";
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};
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usb-phy@47401b00 {
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status = "okay";
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};
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usb@47401000 {
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status = "okay";
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};
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usb@47401800 {
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status = "okay";
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dr_mode = "host";
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};
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dma-controller@47402000 {
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status = "okay";
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};
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};
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};
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};
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&am33xx_pinmux {
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i2c0_pins: pinmux_i2c0_pins {
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pinctrl-single,pins = <
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0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */
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0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */
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>;
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};
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uart0_pins: pinmux_uart0_pins {
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pinctrl-single,pins = <
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0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
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0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
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>;
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};
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nandflash_pins: nandflash_pins {
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pinctrl-single,pins = <
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0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */
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0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */
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0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */
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0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */
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0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */
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0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */
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0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */
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0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */
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0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */
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0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */
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0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */
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0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */
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0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */
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0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */
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0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */
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>;
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};
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};
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&timer3 {
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status = "disabled";
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};
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&uart4 {
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status = "disabled";
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};
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&elm {
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status = "okay";
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};
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&gpmc {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&nandflash_pins>;
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ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
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nand@0,0 {
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reg = <0 0 0>; /* CS0, offset 0 */
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nand-bus-width = <8>;
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ti,nand-ecc-opt = "bch8";
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gpmc,device-nand = "true";
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gpmc,device-width = <1>;
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gpmc,sync-clk-ps = <0>;
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gpmc,cs-on-ns = <0>;
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gpmc,cs-rd-off-ns = <44>;
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gpmc,cs-wr-off-ns = <44>;
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gpmc,adv-on-ns = <6>;
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gpmc,adv-rd-off-ns = <34>;
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gpmc,adv-wr-off-ns = <44>;
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gpmc,we-on-ns = <0>;
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gpmc,we-off-ns = <40>;
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gpmc,oe-on-ns = <0>;
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gpmc,oe-off-ns = <54>;
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gpmc,access-ns = <64>;
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gpmc,rd-cycle-ns = <82>;
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gpmc,wr-cycle-ns = <82>;
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gpmc,wait-on-read = "true";
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gpmc,wait-on-write = "true";
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gpmc,bus-turnaround-ns = <0>;
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gpmc,cycle2cycle-delay-ns = <0>;
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gpmc,clk-activation-ns = <0>;
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gpmc,wait-monitoring-ns = <0>;
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gpmc,wr-access-ns = <40>;
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gpmc,wr-data-mux-bus-ns = <0>;
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#address-cells = <1>;
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#size-cells = <1>;
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elm_id = <&elm>;
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};
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};
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/* disable the RTC node as its not accessible on the draco/dxr2 board */
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&rtc {
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status = "disabled";
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ti,hwmods = "disabled";
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};
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