/*
* 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"
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "CompuLab CM-T335";
compatible = "compulab,cm-t335", "ti,am33xx";
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x8000000>; /* 128 MB */
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&gpio_led_pins>;
led0 {
label = "cm_t335:green";
gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; /* gpio2_0 */
linux,default-trigger = "heartbeat";
};
};
/* regulator for mmc */
vmmc_fixed: fixedregulator0 {
compatible = "regulator-fixed";
regulator-name = "vmmc_fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
/* Regulator for WiFi */
vwlan_fixed: fixedregulator2 {
compatible = "regulator-fixed";
regulator-name = "vwlan_fixed";
gpio = <&gpio0 20 GPIO_ACTIVE_HIGH>; /* gpio0_20 */
enable-active-high;
regulator-boot-off;
};
backlight {
compatible = "pwm-backlight";
pwms = <&ecap0 0 50000 0>;
brightness-levels = <0 51 53 56 62 75 101 152 255>;
default-brightness-level = <8>;
};
sound {
compatible = "simple-audio-card";
simple-audio-card,name = "cm-t335";
simple-audio-card,widgets =
"Microphone", "Mic Jack",
"Line", "Line In",
"Headphone", "Headphone Jack";
simple-audio-card,routing =
"Headphone Jack", "LHPOUT",
"Headphone Jack", "RHPOUT",
"LLINEIN", "Line In",
"RLINEIN", "Line In",
"MICIN", "Mic Jack";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&sound_master>;
simple-audio-card,frame-master = <&sound_master>;
simple-audio-card,cpu {
sound-dai = <&mcasp1>;
};
sound_master: simple-audio-card,codec {
sound-dai = <&tlv320aic23>;
system-clock-frequency = <12000000>;
};
};
};
&am33xx_pinmux {
pinctrl-names = "default";
pinctrl-0 = <&bluetooth_pins>;
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)
>;
};
uart1_pins: pinmux_uart1_pins {
pinctrl-single,pins = <
/* uart1_ctsn.uart1_ctsn */
AM33XX_IOPAD(0x978, PIN_INPUT | MUX_MODE0)
/* uart1_rtsn.uart1_rtsn */
AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
/* uart1_rxd.uart1_rxd */
AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)
/* uart1_txd.uart1_txd */
AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
>;
};
dcan0_pins: pinmux_dcan0_pins {
pinctrl-single,pins = <
/* uart1_ctsn.dcan0_tx */
AM33XX_IOPAD(0x978, PIN_OUTPUT | MUX_MODE2)
/* uart1_rtsn.dcan0_rx */
AM33XX_IOPAD(0x97C, PIN_INPUT | MUX_MODE2)
>;
};
dcan1_pins: pinmux_dcan1_pins {
pinctrl-single,pins = <
/* uart1_rxd.dcan1_tx */
AM33XX_IOPAD(0x980, PIN_OUTPUT | MUX_MODE2)
/* uart1_txd.dcan1_rx */
AM33XX_IOPAD(0x984, PIN_INPUT | MUX_MODE2)
>;
};
ecap0_pins: pinmux_ecap0_pins {
pinctrl-single,pins = <
/* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
AM33XX_IOPAD(0x964, 0x0)
>;
};
cpsw_default: cpsw_default {
pinctrl-single,pins = <
/* Slave 1 */
/* mii1_tx_en.rgmii1_tctl */
AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
/* mii1_rxdv.rgmii1_rctl */
AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)
/* mii1_txd3.rgmii1_td3 */
AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
/* mii1_txd2.rgmii1_td2 */
AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
/* mii1_txd1.rgmii1_td1 */
AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
/* mii1_txd0.rgmii1_td0 */
AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
/* mii1_txclk.rgmii1_tclk */
AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
/* mii1_rxclk.rgmii1_rclk */
AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)
/* mii1_rxd3.rgmii1_rd3 */
AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)
/* mii1_rxd2.rgmii1_rd2 */
AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)
/* mii1_rxd1.rgmii1_rd1 */
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)
/* mii1_rxd0.rgmii1_rd0 */
AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)
>;
};
cpsw_sleep: cpsw_sleep {
pinctrl-single,pins = <
/* Slave 1 reset value */
AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
davinci_mdio_default: davinci_mdio_default {
pinctrl-single,pins = <
/* mdio_data.mdio_data */
AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
/* mdio_clk.mdio_clk */
AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
>;
};
davinci_mdio_sleep: davinci_mdio_sleep {
pinctrl-single,pins = <
/* MDIO reset value */
AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
mmc1_pins: pinmux_mmc1_pins {
pinctrl-single,pins = <
/* mmc0_dat3.mmc0_dat3 */
AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_dat2.mmc0_dat2 */
AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_dat1.mmc0_dat1 */
AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_dat0.mmc0_dat0 */
AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_clk.mmc0_clk */
AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
/* mmc0_cmd.mmc0_cmd */
AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
>;
};
spi0_pins: pinmux_spi0_pins {
pinctrl-single,pins = <
/* spi0_sclk.spi0_sclk */
AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE0)
/* spi0_d0.spi0_d0 */
AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLUP | MUX_MODE0)
/* spi0_d1.spi0_d1 */
AM33XX_IOPAD(0x958, PIN_INPUT | MUX_MODE0)
/* spi0_cs0.spi0_cs0 */
AM33XX_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0)
/* spi0_cs1.spi0_cs1 */
AM33XX_IOPAD(0x960, PIN_OUTPUT | MUX_MODE0)
>;
};
/* wl1271 bluetooth */
bluetooth_pins: pinmux_bluetooth_pins {
pinctrl-single,pins = <
/* XDMA_EVENT_INTR0.gpio0_19 - bluetooth enable */
AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLUP | MUX_MODE7)
>;
};
/* TLV320AIC23B codec */
mcasp1_pins: pinmux_mcasp1_pins {
pinctrl-single,pins = <
/* MII1_CRS.mcasp1_aclkx */
AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE4)
/* MII1_RX_ER.mcasp1_fsx */
AM33XX_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE4)
/* MII1_COL.mcasp1_axr2 */
AM33XX_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE4)
/* RMII1_REF_CLK.mcasp1_axr3 */
AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE4)
>;
};
/* wl1271 WiFi */
wifi_pins: pinmux_wifi_pins {
pinctrl-single,pins = <
/* EMU1.gpio3_8 - WiFi IRQ */
AM33XX_IOPAD(0x9e8, PIN_INPUT_PULLUP | MUX_MODE7)
/* XDMA_EVENT_INTR1.gpio0_20 - WiFi enable */
AM33XX_IOPAD(0x9b4, PIN_OUTPUT | MUX_MODE7)
>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
status = "okay";
};
/* WLS1271 bluetooth */
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_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>;
};
/* Audio codec */
tlv320aic23: codec@1a {
compatible = "ti,tlv320aic23";
reg = <0x1a>;
#sound-dai-cells= <0>;
status = "okay";
};
};
&usb {
status = "okay";
};
&usb_ctrl_mod {
status = "okay";
};
&usb0_phy {
status = "okay";
};
&usb0 {
status = "okay";
};
&cppi41dma {
status = "okay";
};
&epwmss0 {
status = "okay";
ecap0: ecap@48300100 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&ecap0_pins>;
};
};
&gpmc {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&nandflash_pins>;
ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
nand@0,0 {
compatible = "ti,omap2-nand";
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
interrupt-parent = <&gpmc>;
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
<1 IRQ_TYPE_NONE>; /* termcount */
rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
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,bus-turnaround-ns = <0>;
gpmc,cycle2cycle-delay-ns = <0>;
gpmc,clk-activation-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";
};
&mac {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&cpsw_default>;
pinctrl-1 = <&cpsw_sleep>;
slaves = <1>;
status = "okay";
};
&davinci_mdio {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&davinci_mdio_default>;
pinctrl-1 = <&davinci_mdio_sleep>;
status = "okay";
};
&cpsw_emac0 {
phy_id = <&davinci_mdio>, <0>;
phy-mode = "rgmii-txid";
};
&mmc1 {
status = "okay";
vmmc-supply = <&vmmc_fixed>;
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
};
&dcan0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&dcan0_pins>;
};
&dcan1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&dcan1_pins>;
};
/* Touschscreen and analog digital converter */
&tscadc {
status = "okay";
tsc {
ti,wires = <4>;
ti,x-plate-resistance = <200>;
ti,coordinate-readouts = <5>;
ti,wire-config = <0x01 0x10 0x23 0x32>;
ti,charge-delay = <0x400>;
};
adc {
ti,adc-channels = <4 5 6 7>;
};
};
/* CPU audio */
&mcasp1 {
pinctrl-names = "default";
pinctrl-0 = <&mcasp1_pins>;
op-mode = <0>; /* MCASP_IIS_MODE */
tdm-slots = <2>;
/* 16 serializers */
num-serializer = <16>;
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0
>;
tx-num-evt = <1>;
rx-num-evt = <1>;
#sound-dai-cells= <0>;
status = "okay";
};
&spi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
ti,pindir-d0-out-d1-in = <1>;
/* WLS1271 WiFi */
wlcore: wlcore@1 {
compatible = "ti,wl1271";
pinctrl-names = "default";
pinctrl-0 = <&wifi_pins>;
reg = <1>;
spi-max-frequency = <48000000>;
clock-xtal;
ref-clock-frequency = <38400000>;
interrupt-parent = <&gpio3>;
interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
vwlan-supply = <&vwlan_fixed>;
};
};
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