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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <cros/thermistor/thermistor.dtsi>
/ {
aliases {
gpio-cbi-wp = &gpio_ec_cbi_wp;
gpio-wp = &gpio_ec_wp_odl;
int-wp = &int_wp_l;
};
batteries {
default_battery: smp {
compatible = "smp,l20m3pg0", "battery-smart";
};
};
hibernate-wake-pins {
compatible = "cros-ec,hibernate-wake-pins";
wakeup-irqs = <
&int_power_button
&int_lid_open
>;
};
gpio-interrupts {
compatible = "cros-ec,gpio-interrupts";
int_power_button: power_button {
irq-pin = <&gpio_gsc_ec_pwr_btn_odl>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "power_button_interrupt";
};
int_vol_down: vol_down {
irq-pin = <&gpio_voldn_btn_odl>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "button_interrupt";
};
int_vol_up: vol_up {
irq-pin = <&gpio_volup_btn_odl>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "button_interrupt";
};
int_wp_l: wp_l {
irq-pin = <&gpio_ec_wp_odl>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "switch_interrupt";
};
int_lid_open: lid_open {
irq-pin = <&gpio_lid_open>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "lid_interrupt";
};
int_tablet_mode: tablet_mode {
irq-pin = <&gpio_tablet_mode_l>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "gmr_tablet_switch_isr";
};
int_imu: ec_imu {
irq-pin = <&gpio_imu_int_l>;
flags = <GPIO_INT_EDGE_FALLING>;
handler = "bmi3xx_interrupt";
};
int_usb_c0: usb_c0 {
irq-pin = <&gpio_usb_c0_int_odl>;
flags = <GPIO_INT_EDGE_FALLING>;
handler = "usb_c0_interrupt";
};
int_usb_c1: usb_c1 {
irq-pin = <&gpio_sb_1>;
flags = <GPIO_INT_EDGE_FALLING>;
handler = "usb_c1_interrupt";
};
int_prochot: ap_prochot {
irq-pin = <&gpio_ec_prochot_odl>;
flags = <GPIO_INT_EDGE_BOTH>;
handler = "throttle_ap_prochot_input_interrupt";
};
};
named-gpios {
/*
* EC doesn't take any specific action on CC/SBU disconnect due to
* fault, but this definition is useful for hardware testing.
*/
gpio_usb_c0_prot_fault_odl: usb_c0_prot_fault_odl {
gpios = <&gpiok 6 GPIO_INPUT_PULL_UP>;
};
gpio_sb_1: sb_1 {
gpios = <&gpioe 6 0>;
no-auto-init;
};
gpio_sb_2: sb_2 {
gpios = <&gpiof 0 0>;
no-auto-init;
};
gpio_sb_3: sb_3 {
gpios = <&gpioe 7 0>;
no-auto-init;
};
gpio_sb_4: sb_4 {
gpios = <&gpioe 0 0>;
no-auto-init;
};
};
/*
* Aliases used for sub-board GPIOs.
*/
aliases {
/* USB-C: interrupt input. I2C pins are on i2c_ec_i2c_sub_usb_c1 */
gpio-usb-c1-int-odl = &gpio_sb_1;
/*
* USB-A: VBUS enable output
* LTE: power enable output
*/
gpio-en-usb-a1-vbus = &gpio_sb_2;
/*
* HDMI: power enable output, HDMI enable output,
* and HPD input
*/
gpio-en-rails-odl = &gpio_sb_1;
gpio-hdmi-en-odl = &gpio_sb_4;
gpio-hpd-odl = &gpio_sb_3;
/*
* Enable S5 rails for LTE sub-board
*/
gpio-en-sub-s5-rails = &gpio_sb_2;
};
named-temp-sensors {
memory {
compatible = "cros-ec,temp-sensor-thermistor",
"cros-ec,temp-sensor";
thermistor = <&thermistor_3V3_51K1_47K_4050B>;
label = "DDR and SOC";
enum-name = "TEMP_SENSOR_1";
temp_fan_off = <35>;
temp_fan_max = <60>;
temp_host_high = <85>;
temp_host_halt = <90>;
temp_host_release_high = <80>;
adc = <&adc_temp_sensor_1>;
};
charger {
compatible = "cros-ec,temp-sensor-thermistor",
"cros-ec,temp-sensor";
thermistor = <&thermistor_3V3_51K1_47K_4050B>;
label = "Charger";
enum-name = "TEMP_SENSOR_CHARGER";
temp_fan_off = <35>;
temp_fan_max = <60>;
temp_host_high = <85>;
temp_host_halt = <90>;
temp_host_release_high = <80>;
adc = <&adc_temp_sensor_2>;
};
ambient {
compatible = "cros-ec,temp-sensor-thermistor",
"cros-ec,temp-sensor";
thermistor = <&thermistor_3V3_51K1_47K_4050B>;
label = "Ambient";
enum-name = "TEMP_SENSOR_AMB";
temp_fan_off = <35>;
temp_fan_max = <60>;
temp_host_high = <85>;
temp_host_halt = <90>;
temp_host_release_high = <80>;
adc = <&adc_temp_sensor_3>;
};
};
usba {
compatible = "cros-ec,usba-port-enable-pins";
/*
* sb_2 is only configured as GPIO when USB-A1 is present,
* but it's still safe to control when disabled.
*
* ILIM_SEL pins are referred to by legacy enum name,
* GPIO_USB*_ILIM_SEL. The one for port A1 is unused on
* sub-boards that don't have USB-A so is safe to control
* regardless of system configuration.
*/
enable-pins = <&gpio_en_usb_a0_vbus &gpio_sb_2>;
status = "okay";
};
usbc {
#address-cells = <1>;
#size-cells = <0>;
port0@0 {
compatible = "named-usbc-port";
reg = <0>;
bc12 {
compatible = "pericom,pi3usb9201";
port = <&i2c_ec_i2c_usb_c0>;
};
chg {
compatible = "siliconmitus,sm5803";
status = "okay";
port = <&i2c_ec_i2c_usb_c0>;
};
};
port1@1 {
compatible = "named-usbc-port";
reg = <1>;
bc12 {
compatible = "pericom,pi3usb9201";
port = <&i2c_ec_i2c_sub_usb_c1>;
};
chg {
compatible = "siliconmitus,sm5803";
status = "okay";
port = <&i2c_ec_i2c_sub_usb_c1>;
};
};
};
};
&thermistor_3V3_51K1_47K_4050B {
status = "okay";
};
&adc_ec_vsense_pp3300_s5 {
/*
* Voltage divider on input has 47k upper and 220k lower legs with 3 V
* full-scale reading on the ADC. Apply the largest possible multiplier
* (without overflowing int32) to get the best possible approximation
* of the actual ratio, but derate by a factor of two to ensure
* unexpectedly high values won't overflow.
*/
mul = <(715828 / 2)>;
div = <(589820 / 2)>;
};
/* Set bus speeds for I2C */
&i2c0 {
label = "I2C_EEPROM";
clock-frequency = <I2C_BITRATE_FAST>;
cbi_eeprom: eeprom@50 {
compatible = "atmel,at24";
reg = <0x50>;
label = "EEPROM_CBI";
size = <2048>;
pagesize = <16>;
address-width = <8>;
timeout = <5>;
};
};
&i2c1 {
label = "I2C_BATTERY";
clock-frequency = <I2C_BITRATE_STANDARD>;
};
&i2c2 {
label = "I2C_SENSOR";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c4 {
label = "I2C_SUB_C1_TCPC";
clock-frequency = <I2C_BITRATE_FAST_PLUS>;
};
&i2c5 {
label = "I2C_USB_C0_TCPC";
clock-frequency = <I2C_BITRATE_FAST_PLUS>;
};
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