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// SPDX-License-Identifier: GPL-2.0-only
/*
* Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
*/
/dts-v1/;
#include "ste-db8500.dtsi"
#include "ste-ab8505.dtsi"
#include "ste-dbx5x0-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "Samsung XCover 2 (GT-S7710)";
compatible = "samsung,skomer", "st-ericsson,u8500";
chosen {
stdout-path = &serial2;
};
battery: battery {
compatible = "samsung,eb485159lu";
};
thermal-zones {
battery-thermal {
/* This zone will be polled by the battery temperature code */
polling-delay = <0>;
polling-delay-passive = <0>;
thermal-sensors = <&bat_therm>;
trips {
battery-crit-hi {
temperature = <70000>;
hysteresis = <2000>;
type = "critical";
};
};
};
};
bat_therm: thermistor {
compatible = "samsung,1404-001221";
io-channels = <&gpadc 0x02>; /* BatTemp */
pullup-uv = <1800000>;
pullup-ohm = <230000>;
pulldown-ohm = <0>;
#thermal-sensor-cells = <0>;
};
/* TI TXS0206 level translator for 2.9 V */
sd_level_translator: regulator-gpio {
compatible = "regulator-fixed";
/* GPIO87 EN */
gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-name = "sd-level-translator";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
regulator-type = "voltage";
startup-delay-us = <200>;
pinctrl-names = "default";
pinctrl-0 = <&sd_level_translator_default>;
};
/* External LDO MIC5366-3.3YMT for eMMC */
ldo_3v3_reg: regulator-gpio-ldo-3v3 {
compatible = "regulator-fixed";
regulator-name = "en-3v3-fixed-supply";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
startup-delay-us = <5000>;
enable-active-high;
pinctrl-names = "default";
pinctrl-0 = <&emmc_ldo_en_default_mode>;
};
wlan_en: regulator-gpio-wlan-en {
compatible = "regulator-fixed";
regulator-name = "wl-reg-on";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
startup-delay-us = <200000>;
/* GPIO215 WLAN_EN */
gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-names = "default";
pinctrl-0 = <&wlan_en_default_mode>;
};
vibrator {
compatible = "gpio-vibrator";
enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vibrator_default>;
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_keys_default_mode>;
button-home {
linux,code = <KEY_HOME>;
label = "HOME";
/* GPIO91 */
gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
};
button-volup {
linux,code = <KEY_VOLUMEUP>;
label = "VOL+";
/* GPIO67 */
gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
};
button-voldown {
linux,code = <KEY_VOLUMEDOWN>;
label = "VOL-";
/* GPIO92 */
gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
};
button-menu {
linux,code = <KEY_MENU>;
label = "MENU";
/* GPIO204 */
gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
};
button-back {
linux,code = <KEY_BACK>;
label = "BACK";
/* GPIO205 */
gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
};
};
ktd253: backlight {
compatible = "kinetic,ktd253";
/* GPIO 69 */
enable-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
/* Default to 13/32 brightness */
default-brightness = <13>;
pinctrl-names = "default";
pinctrl-0 = <&gpio_backlight_default_mode>;
};
/* Richtek RT8515GQW Flash LED Driver IC */
flash {
compatible = "richtek,rt8515";
/* GPIO 140 */
enf-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
/* GPIO 141 */
ent-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
/*
* RFS is 16 kOhm and RTS is 100 kOhm giving
* the flash max current 343mA and torch max
* current 55 mA.
*/
richtek,rfs-ohms = <16000>;
richtek,rts-ohms = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&gpio_flash_default_mode>;
led {
function = LED_FUNCTION_FLASH;
color = <LED_COLOR_ID_WHITE>;
flash-max-timeout-us = <250000>;
flash-max-microamp = <343750>;
led-max-microamp = <55000>;
};
};
i2c-gpio-0 {
compatible = "i2c-gpio";
sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
pinctrl-names = "default";
pinctrl-0 = <&i2c_gpio_0_default>;
#address-cells = <1>;
#size-cells = <0>;
/* TODO: this should be used by the NCP6914 Camera power management unit */
};
i2c-gpio-1 {
compatible = "i2c-gpio";
sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
pinctrl-names = "default";
pinctrl-0 = <&i2c_gpio_1_default>;
#address-cells = <1>;
#size-cells = <0>;
magnetometer@c {
compatible = "alps,hscdtd008a";
reg = <0x0c>;
avdd-supply = <&ab8500_ldo_aux1_reg>;
dvdd-supply = <&ab8500_ldo_aux8_reg>;
};
};
soc {
// External Micro SD slot
mmc@80126000 {
arm,primecell-periphid = <0x10480180>;
max-frequency = <100000000>;
bus-width = <4>;
cap-sd-highspeed;
cap-mmc-highspeed;
/* All direction control is used */
st,sig-pin-fbclk;
full-pwr-cycle;
vmmc-supply = <&ab8500_ldo_aux3_reg>;
vqmmc-supply = <&sd_level_translator>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mc0_a_1_default>;
pinctrl-1 = <&mc0_a_1_sleep>;
status = "okay";
};
// WLAN SDIO channel
mmc@80118000 {
arm,primecell-periphid = <0x10480180>;
max-frequency = <50000000>;
bus-width = <4>;
non-removable;
cap-sd-highspeed;
vmmc-supply = <&wlan_en>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mc1_a_2_default>;
pinctrl-1 = <&mc1_a_2_sleep>;
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
wifi@1 {
compatible = "brcm,bcm4334-fmac", "brcm,bcm4329-fmac";
reg = <1>;
/* GPIO216 WL_HOST_WAKE */
interrupt-parent = <&gpio6>;
interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
interrupt-names = "host-wake";
pinctrl-names = "default";
pinctrl-0 = <&wlan_default_mode>;
};
};
/*
* eMMC seems to be mostly Samsung KLM4G1YE4C "4YMD1R"
*/
mmc@80005000 {
arm,primecell-periphid = <0x10480180>;
max-frequency = <100000000>;
bus-width = <8>;
non-removable;
cap-mmc-highspeed;
mmc-ddr-1_8v;
no-sdio;
no-sd;
/* From datasheet page 26 figure 9: 300 ms set-up time for 4GB */
post-power-on-delay-ms = <300>;
vmmc-supply = <&ldo_3v3_reg>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mc2_a_1_default>;
pinctrl-1 = <&mc2_a_1_sleep>;
status = "okay";
};
/* GBF (Bluetooth) UART */
serial@80120000 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&u0_a_1_default>;
pinctrl-1 = <&u0_a_1_sleep>;
status = "okay";
/* FIXME: not quite working yet, probably needs regulators */
bluetooth {
/* BCM4334B0 actually */
compatible = "brcm,bcm4330-bt";
shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&bluetooth_default_mode>;
};
};
/* GPS UART */
serial@80121000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
gnss {
/* The CSRG05TA03-ICJE-R is a SirfStarV 5t chip */
compatible = "csr,csrg05ta03-icje-r";
/* GPS_RSTN on GPIO209 */
reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
/* GPS_ON_OFF on GPIO86 */
sirf,onoff-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
/* GPS_1V8 (VSMPS2) */
vcc-supply = <&db8500_vsmps2_reg>;
pinctrl-names = "default";
pinctrl-0 = <&g05ta03_skomer_default>;
/* According to /etc/sirfgps.conf */
current-speed = <460800>;
};
};
/* Debugging console UART connected to AB8505 USB */
serial@80007000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&u2rxtx_c_1_default>;
pinctrl-1 = <&u2rxtx_c_1_sleep>;
};
prcmu@80157000 {
ab8505 {
phy {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&usb_a_1_default>;
pinctrl-1 = <&usb_a_1_sleep>;
};
ab8500_fg {
line-impedance-micro-ohms = <16000>;
};
regulator {
ab8500_ldo_aux1 {
/* Used for VDD for sensors */
regulator-name = "AUX1";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3300000>;
};
ab8500_ldo_aux2 {
/* Supplies the Cypress TMA140 touchscreen only with 3.0V */
regulator-name = "AUX2";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
};
ab8500_ldo_aux3 {
/* Used for voltage for external MMC/SD card */
regulator-name = "AUX3";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <3300000>;
};
ab8500_ldo_aux4 {
regulator-name = "AUX4";
/* Hammer to 3.0V for the display */
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
};
ab8500_ldo_aux5 {
regulator-name = "AUX5";
/* Intended for 1V8 for touchscreen but actually left unused */
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <2790000>;
};
ab8500_ldo_aux6 {
regulator-name = "AUX6";
/* Hammer to 1.8V for the display */
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
ab8500_ldo_aux8 {
/* Mostly VIO for sensors */
regulator-name = "AUX8";
};
};
};
};
/* I2C0 */
i2c@80004000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c0_a_1_default>;
pinctrl-1 = <&i2c0_a_1_sleep>;
proximity@44 {
compatible = "sharp,gp2ap002s00f";
clock-frequency = <400000>;
reg = <0x44>;
interrupt-parent = <&gpio4>;
interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
vdd-supply = <&ab8500_ldo_aux1_reg>;
vio-supply = <&ab8500_ldo_aux8_reg>;
pinctrl-names = "default";
pinctrl-0 = <&gp2ap002_skomer_default>;
sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
};
};
/* I2C2 */
i2c@80128000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c2_b_2_default>;
pinctrl-1 = <&i2c2_b_2_sleep>;
accel@18 {
compatible = "bosch,bma254";
clock-frequency = <400000>;
reg = <0x18>;
/* GPIO224 used as "smart alert" interrupt */
interrupt-parent = <&gpio7>;
interrupts = <0 IRQ_TYPE_EDGE_RISING>;
mount-matrix = "0", "-1", "0",
"1", "0", "0",
"0", "0", "1";
vdd-supply = <&ab8500_ldo_aux1_reg>;
vddio-supply = <&ab8500_ldo_aux8_reg>;
pinctrl-names = "default";
pinctrl-0 = <&bma254_skomer_default>;
};
};
/* I2C3 */
i2c@80110000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c3_c_2_default>;
pinctrl-1 = <&i2c3_c_2_sleep>;
/* Cypress CY8CTMA140 touchscreen */
touchscreen@20 {
compatible = "cypress,cy8ctma140";
clock-frequency = <400000>;
reg = <0x20>;
touchscreen-size-x = <480>;
touchscreen-size-y = <800>;
touchscreen-max-pressure = <255>;
/* GPIO218 for IRQ */
interrupt-parent = <&gpio6>;
interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
/* VDD is "digital supply" nominally 1.71-3.6V */
vdd-supply = <&ab8500_ldo_aux2_reg>;
/* VCPIN is "analog supply", 2.7-3.6 V */
vcpin-supply = <&ab8500_ldo_aux2_reg>;
pinctrl-names = "default";
pinctrl-0 = <&tma140_skomer_default>;
};
};
mcde@a0350000 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&dsi_default_mode>;
dsi@a0351000 {
panel {
/* NT35510-based Hydis HVA40WV1 */
compatible = "hydis,hva40wv1", "novatek,nt35510";
reg = <0>;
/* v_lcd_3v0 2.3-4.8V */
vdd-supply = <&ab8500_ldo_aux4_reg>;
/* v_lcd_1v8 1.65-3.3V */
vddi-supply = <&ab8500_ldo_aux6_reg>;
/* GPIO 139 */
reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&display_default_mode>;
backlight = <&ktd253>;
};
};
};
};
};
&pinctrl {
sdi0 {
mc0_a_1_default {
default_cfg1 {
/* GPIO18, 19 & 20 unused so pull down */
ste,config = <&gpio_in_pd>;
};
};
};
/* This is a reset line for the eMMC */
sdi2 {
mc2_a_1_default {
default_cfg2 {
pins = "GPIO130_C8"; /* FBCLK */
ste,config = <&gpio_in_pd>;
};
};
};
mcde {
dsi_default_mode: dsi_default {
default_mux1 {
/* Mux in VSI0 used for DSI TE */
function = "lcd";
groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
};
default_cfg1 {
pins = "GPIO68_E1"; /* VSI0 */
ste,config = <&in_nopull>;
};
};
};
/* Two GPIO lines used by the display */
display {
display_default_mode: display_default {
skomer_cfg1 {
/*
* OLED DETECT or check_pba, this appears to be high
* on "PBA" which I guess is "prototype board A".
*/
pins = "GPIO93_B7";
ste,config = <&gpio_in_nopull>;
};
skomer_cfg2 {
pins = "GPIO139_C9";
/*
* MIPI_DSI0_RESET_N resets the display, leave high
* (de-asserted) so we only assert reset explicitly
* from the display driver.
*/
ste,config = <&gpio_out_hi>;
};
};
};
backlight {
gpio_backlight_default_mode: backlight_default {
skomer_cfg1 {
pins = "GPIO69_E2"; /* LCD_BL_CTRL */
ste,config = <&gpio_out_lo>;
};
};
};
flash {
gpio_flash_default_mode: flash_default {
skomer_cfg1 {
pins = "GPIO140_B11", "GPIO141_C12";
ste,config = <&gpio_out_lo>;
};
};
};
/* GPIO that enables the 2.9V SD card level translator */
sd-level-translator {
sd_level_translator_default: sd_level_translator_default {
/* level shifter on GPIO87 */
skomer_cfg1 {
pins = "GPIO87_B3";
ste,config = <&gpio_out_hi>;
};
};
};
/* GPIO that enables the LDO regulator for the eMMC */
emmc-ldo {
emmc_ldo_en_default_mode: emmc_ldo_default {
/* LDO enable on GPIO223 */
skomer_cfg1 {
pins = "GPIO223_AH9";
ste,config = <&gpio_out_hi>;
};
};
};
/* GPIO keys */
gpio-keys {
gpio_keys_default_mode: gpio_keys_default {
skomer_cfg1 {
pins = "GPIO67_G2", /* VOL UP */
"GPIO91_B6", /* HOME */
"GPIO92_D6", /* VOL DOWN */
"GPIO204_AF23", /* MENU */
"GPIO205_AG23"; /* BACK */
ste,config = <&gpio_in_pu>;
};
};
};
/* Interrupt line for BMA254 */
bma254 {
bma254_skomer_default: bma254_skomer {
skomer_cfg1 {
pins = "GPIO224_AG9";
ste,config = <&gpio_in_pd>;
};
};
};
/* Interrupt line for light/proximity sensor GP2AP002 */
gp2ap002 {
gp2ap002_skomer_default: gp2ap002_skomer {
skomer_cfg1 {
pins = "GPIO146_D13";
ste,config = <&gpio_in_nopull>;
};
};
};
/* GPIO-based I2C bus for NCP6914 */
i2c-gpio-0 {
i2c_gpio_0_default: i2c_gpio_0 {
skomer_cfg1 {
pins = "GPIO143_D12", "GPIO144_B13";
ste,config = <&gpio_in_nopull>;
};
};
};
/* GPIO-based I2C bus for ALPS HSCD compass */
i2c-gpio-1 {
i2c_gpio_1_default: i2c_gpio_1 {
skomer_cfg1 {
pins = "GPIO151_B17", "GPIO152_D16";
ste,config = <&gpio_in_nopull>;
};
};
};
wlan {
wlan_default_mode: wlan_default {
skomer_cfg1 {
pins = "GPIO216_AG12";
ste,config = <&gpio_in_pd>;
};
};
wlan_en_default_mode: wlan_en_default {
skomer_cfg2 {
pins = "GPIO215_AH13";
ste,config = <&gpio_out_lo>;
};
};
};
bluetooth {
bluetooth_default_mode: bluetooth_default {
skomer_cfg1 {
pins = "GPIO199_AH23", "GPIO222_AJ9";
ste,config = <&gpio_out_lo>;
};
skomer_cfg2 {
pins = "GPIO97_D9";
ste,config = <&gpio_in_nopull>;
};
};
};
vibrator {
vibrator_default: vibrator_default {
skomer_cfg1 {
pins = "GPIO195_AG28"; /* MOT_EN */
ste,config = <&gpio_out_lo>;
};
};
};
/* Interrupt line for the Cypress TMA140 touchscreen */
touchscreen {
tma140_skomer_default: tma140_skomer {
skomer_cfg1 {
pins = "GPIO218_AH11";
ste,config = <&gpio_in_nopull>;
};
};
};
g05ta03 {
g05ta03_skomer_default: g05ta03 {
/* Reset line, start out de-asserted */
skomer_cfg1 {
pins = "GPIO209_AG15";
ste,config = <&gpio_out_hi>;
};
/* GPS_ON_OFF, start out deasserted (off) */
skomer_cfg2 {
pins = "GPIO86_C6";
ste,config = <&gpio_out_lo>;
};
};
};
};
&ab8505_gpio {
/* Hog a few default settings */
pinctrl-names = "default";
pinctrl-0 = <&gpio_default>;
gpio {
gpio_default: gpio_default {
skomer_mux {
/* Change unused pins to GPIO mode */
function = "gpio";
groups = "gpio3_a_1", /* default: SysClkReq4 */
"gpio14_a_1"; /* default: PWMOut1 */
};
skomer_cfg1 {
pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
bias-disable;
};
};
};
};