// SPDX-License-Identifier: GPL-2.0-only
/dts-v1/;
#include "ste-db8500.dtsi"
#include "ste-ab8505.dtsi"
#include "ste-dbx5x0-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
/*
* Note: This device tree cannot be booted directly with the Samsung bootloader.
* You need an intermediate, device-tree compatible bootloader
* that locks the L2 cache. Otherwise the kernel will crash after decompression.
*
* There is a port of (mainline) U-Boot, see
* https://wiki.postmarketos.org/wiki/ST-Ericsson_NovaThor_U8500#U-Boot
*/
/ {
model = "Samsung Galaxy S III mini (GT-I8190)";
compatible = "samsung,golden", "st-ericsson,u8500";
chosen {
stdout-path = &serial2;
};
soc {
/* External Micro SD card slot */
sdi0_per1@80126000 {
status = "okay";
arm,primecell-periphid = <0x10480180>;
max-frequency = <100000000>;
bus-width = <4>;
non-removable;
/*
* Unfortunately, there is no way to enable the UHS
* modes due to a limitation of the SD level translator:
* It will either translate to 2.9V or disconnect the
* DATA lines, so switching to 1.8V signal voltage fails.
*/
cap-sd-highspeed;
cap-mmc-highspeed;
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_2_default>;
pinctrl-1 = <&mc0_a_2_sleep>;
};
/* WLAN SDIO */
sdi1_per2@80118000 {
status = "okay";
arm,primecell-periphid = <0x10480180>;
max-frequency = <50000000>;
bus-width = <4>;
non-removable;
cap-sd-highspeed;
vmmc-supply = <&wl_reg_on>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mc1_a_2_default>;
pinctrl-1 = <&mc1_a_2_sleep>;
#address-cells = <1>;
#size-cells = <0>;
wifi@1 {
compatible = "brcm,bcm4329-fmac";
reg = <1>;
/* GPIO216 (WLAN_HOST_WAKE) */
interrupt-parent = <&gpio6>;
interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
interrupt-names = "host-wake";
pinctrl-names = "default";
pinctrl-0 = <&wlan_default>;
};
};
/* eMMC */
sdi2_per3@80005000 {
status = "okay";
arm,primecell-periphid = <0x10480180>;
max-frequency = <100000000>;
bus-width = <8>;
non-removable;
cap-mmc-highspeed;
mmc-ddr-1_8v;
vmmc-supply = <&vmem_3v3>;
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mc2_a_1_default>;
pinctrl-1 = <&mc2_a_1_sleep>;
};
/* BT UART */
uart@80120000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&u0_a_1_default>;
pinctrl-1 = <&u0_a_1_sleep>;
bluetooth {
compatible = "brcm,bcm4330-bt";
/* GPIO222 (BT_VREG_ON) */
shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
/* GPIO199 (BT_WAKE) */
device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
/* GPIO97 (BT_HOST_WAKE) */
host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&bluetooth_default>;
};
};
/* GPF UART */
uart@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>;
};
/* Debugging console UART */
uart@80007000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&u2rxtx_c_1_default>;
pinctrl-1 = <&u2rxtx_c_1_sleep>;
};
i2c@80128000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c2_b_2_default>;
pinctrl-1 = <&i2c2_b_2_sleep>;
imu@68 {
compatible = "invensense,mpu6050";
reg = <0x68>;
/* GPIO206 (ACC_INT) */
interrupt-parent = <&gpio6>;
interrupts = <14 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 = <&imu_default>;
};
};
i2c@80110000 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&i2c3_c_2_default>;
pinctrl-1 = <&i2c3_c_2_sleep>;
touchscreen@4a {
compatible = "atmel,maxtouch";
reg = <0x4a>;
/* GPIO218 (TSP_INT_1V8) */
interrupt-parent = <&gpio6>;
interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&tsp_default>;
};
};
prcmu@80157000 {
ab8505 {
ab8500_usb {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&usb_a_1_default>;
pinctrl-1 = <&usb_a_1_sleep>;
};
ab8505-regulators {
ab8500_ldo_aux1 {
regulator-name = "sensor_3v";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
};
ab8500_ldo_aux2 {
regulator-name = "vreg_tsp_a3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on; /* FIXME */
};
ab8500_ldo_aux3 {
regulator-name = "vdd_tf_2v91";
};
ab8500_ldo_aux4 {
regulator-name = "key_led_3.3v";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
ab8500_ldo_aux5 {
regulator-name = "vreg_tsp_1v8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on; /* FIXME */
};
ab8500_ldo_aux6 {
regulator-name = "touch_key_2.2v";
regulator-min-microvolt = <2200000>;
regulator-max-microvolt = <2200000>;
};
ab8500_ldo_aux8 {
regulator-name = "sensor_1v8";
};
};
};
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&gpio_keys_default>;
label = "GPIO Buttons";
volume-up {
label = "Volume Up";
/* GPIO67 (VOL_UP) */
gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEUP>;
};
volume-down {
label = "Volume Down";
/* GPIO92 (VOL_DOWN) */
gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
linux,code = <KEY_VOLUMEDOWN>;
};
home {
label = "Home";
/* GPIO91 (HOME_KEY) */
gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
linux,code = <KEY_HOMEPAGE>;
};
};
vibrator {
compatible = "gpio-vibrator";
/* GPIO195 (MOT_EN) */
enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&vibrator_default>;
};
/* External LDO for eMMC */
vmem_3v3: regulator-vmem {
compatible = "regulator-fixed";
regulator-name = "vmem_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
startup-delay-us = <200>;
/* GPIO223 (MEM_LDO_EN) */
gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-names = "default";
pinctrl-0 = <&mem_ldo_default>;
};
/* TI TXS0206-29 level translator for 2.9 V */
sd_level_translator: regulator-sd-level-translator {
compatible = "regulator-fixed";
regulator-name = "sd-level-translator";
regulator-min-microvolt = <2900000>;
regulator-max-microvolt = <2900000>;
startup-delay-us = <200>;
/* GPIO87 (TXS0206-29_EN) */
gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-names = "default";
pinctrl-0 = <&sd_level_translator_default>;
};
/*
* WL_REG_ON takes WLAN out of reset and enables the internal regulators.
* The voltage specified here is only used to determine the OCR mask,
* the BCM chip is actually connected directly to VBAT.
*/
wl_reg_on: regulator-wl-reg-on {
compatible = "regulator-fixed";
regulator-name = "wl-reg-on";
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
startup-delay-us = <100000>;
/* GPIO215 (WLAN_EN) */
gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
enable-active-high;
pinctrl-names = "default";
pinctrl-0 = <&wlan_en_default>;
};
};
&pinctrl {
gpio-keys {
gpio_keys_default: gpio_keys_default {
golden_cfg1 {
pins = "GPIO67", /* VOL_UP */
"GPIO91", /* HOME_KEY */
"GPIO92"; /* VOL_DOWN */
ste,config = <&gpio_in_pu>;
};
};
};
sdi0 {
sd_level_translator_default: sd_level_translator_default {
golden_cfg1 {
pins = "GPIO87_B3"; /* TXS0206-29_EN */
ste,config = <&gpio_out_lo>;
};
};
};
sdi2 {
mem_ldo_default: mem_ldo_default {
golden_cfg1 {
pins = "GPIO223_AH9"; /* MEM_LDO_EN */
ste,config = <&gpio_out_hi>;
};
};
};
imu {
imu_default: imu_default {
golden_cfg1 {
pins = "GPIO206_AG24"; /* ACC_INT */
ste,config = <&gpio_in_pd>;
};
};
};
tsp {
tsp_default: tsp_default {
golden_cfg1 {
pins = "GPIO218_AH11"; /* TSP_INT_1V8 */
ste,config = <&gpio_in_nopull>;
};
};
};
wlan {
wlan_default: wlan_default {
golden_cfg1 {
pins = "GPIO216_AG12"; /* WLAN_HOST_WAKE */
ste,config = <&gpio_in_pd>;
};
};
wlan_en_default: wlan_en_default {
golden_cfg1 {
pins = "GPIO215_AH13"; /* WLAN_EN */
ste,config = <&gpio_out_lo>;
};
};
};
bluetooth {
bluetooth_default: bluetooth_default {
golden_cfg1 {
pins = "GPIO199_AH23", /* BT_WAKE */
"GPIO222_AJ9"; /* BT_VREG_ON */
ste,config = <&gpio_out_lo>;
};
golden_cfg2 {
pins = "GPIO97_D9"; /* BT_HOST_WAKE */
ste,config = <&gpio_in_nopull>;
};
};
};
vibrator {
vibrator_default: vibrator_default {
golden_cfg1 {
pins = "GPIO195_AG28"; /* MOT_EN */
ste,config = <&gpio_out_lo>;
};
};
};
};
&ab8505_gpio {
/* Hog a few default settings */
pinctrl-names = "default";
pinctrl-0 = <&gpio_default>;
gpio {
gpio_default: gpio_default {
golden_mux {
/* Change unused pins to GPIO mode */
function = "gpio";
groups = "gpio3_a_1", /* default: SysClkReq4 */
"gpio14_a_1"; /* default: PWMOut1 */
};
golden_cfg1 {
pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
bias-disable;
};
};
};
};
