/*
* am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
*
* Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
#include "am33xx.dtsi"
/ {
model = "CompuLab CM-T335";
compatible = "compulab,cm-t335", "ti,am33xx";
memory {
device_type = "memory";
reg = <0x80000000 0x8000000>; /* 128 MB */
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&gpio_led_pins>;
led@0 {
label = "cm_t335:green";
gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; /* gpio2_0 */
linux,default-trigger = "heartbeat";
};
};
};
&am33xx_pinmux {
pinctrl-names = "default";
pinctrl-0 = <>;
i2c0_pins: pinmux_i2c0_pins {
pinctrl-single,pins = <
/* i2c0_sda.i2c0_sda */
AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
/* i2c0_scl.i2c0_scl */
AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
>;
};
i2c1_pins: pinmux_i2c1_pins {
pinctrl-single,pins = <
/* uart0_ctsn.i2c1_sda */
AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE2)
/* uart0_rtsn.i2c1_scl */
AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE2)
>;
};
gpio_led_pins: pinmux_gpio_led_pins {
pinctrl-single,pins = <
/* gpmc_csn3.gpio2_0 */
AM33XX_IOPAD(0x888, PIN_OUTPUT | MUX_MODE7)
>;
};
nandflash_pins: pinmux_nandflash_pins {
pinctrl-single,pins = <
/* gpmc_ad0.gpmc_ad0 */
AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad1.gpmc_ad1 */
AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad2.gpmc_ad2 */
AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad3.gpmc_ad3 */
AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad4.gpmc_ad4 */
AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad5.gpmc_ad5 */
AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad6.gpmc_ad6 */
AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_ad7.gpmc_ad7 */
AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_wait0.gpmc_wait0 */
AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
/* gpmc_wpn.gpio0_30 */
AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7)
/* gpmc_csn0.gpmc_csn0 */
AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
/* gpmc_advn_ale.gpmc_advn_ale */
AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
/* gpmc_oen_ren.gpmc_oen_ren */
AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
/* gpmc_wen.gpmc_wen */
AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
/* gpmc_ben0_cle.gpmc_ben0_cle */
AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
>;
};
uart0_pins: pinmux_uart0_pins {
pinctrl-single,pins = <
/* uart0_rxd.uart0_rxd */
AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
/* uart0_txd.uart0_txd */
AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
status = "okay";
};
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
status = "okay";
clock-frequency = <400000>;
/* CM-T335 board EEPROM */
eeprom: 24c02@50 {
compatible = "atmel,24c02";
reg = <0x50>;
pagesize = <16>;
};
/* Real Time Clock */
ext_rtc: em3027@56 {
compatible = "emmicro,em3027";
reg = <0x56>;
};
};
&gpmc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&nandflash_pins>;
ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
ti,nand-ecc-opt = "bch8";
ti,elm-id = <&elm>;
nand-bus-width = <8>;
gpmc,device-width = <1>;
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <44>;
gpmc,cs-wr-off-ns = <44>;
gpmc,adv-on-ns = <6>;
gpmc,adv-rd-off-ns = <34>;
gpmc,adv-wr-off-ns = <44>;
gpmc,we-on-ns = <0>;
gpmc,we-off-ns = <40>;
gpmc,oe-on-ns = <0>;
gpmc,oe-off-ns = <54>;
gpmc,access-ns = <64>;
gpmc,rd-cycle-ns = <82>;
gpmc,wr-cycle-ns = <82>;
gpmc,wait-on-read = "true";
gpmc,wait-on-write = "true";
gpmc,bus-turnaround-ns = <0>;
gpmc,cycle2cycle-delay-ns = <0>;
gpmc,clk-activation-ns = <0>;
gpmc,wait-monitoring-ns = <0>;
gpmc,wr-access-ns = <40>;
gpmc,wr-data-mux-bus-ns = <0>;
/* MTD partition table */
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "spl";
reg = <0x00000000 0x00200000>;
};
partition@1 {
label = "uboot";
reg = <0x00200000 0x00100000>;
};
partition@2 {
label = "uboot environment";
reg = <0x00300000 0x00100000>;
};
partition@3 {
label = "dtb";
reg = <0x00400000 0x00100000>;
};
partition@4 {
label = "splash";
reg = <0x00500000 0x00400000>;
};
partition@5 {
label = "linux";
reg = <0x00900000 0x00600000>;
};
partition@6 {
label = "rootfs";
reg = <0x00F00000 0>;
};
};
};
&elm {
status = "okay";
};
