diff options
Diffstat (limited to 'zephyr/projects/rex/rex.dts')
| -rw-r--r-- | zephyr/projects/rex/rex.dts | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/zephyr/projects/rex/rex.dts b/zephyr/projects/rex/rex.dts new file mode 100644 index 0000000000..259cd6ff4c --- /dev/null +++ b/zephyr/projects/rex/rex.dts @@ -0,0 +1,239 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + + #include <dt-bindings/usb_pd_tcpm.h> + +/ { + aliases { + gpio-wp = &ec_wp_l; + gpio-kbd-kso2 = &gpio_ec_kso_02_inv; + }; + + named-gpios { + compatible = "named-gpios"; + + ec_wp_l: write-protect { + gpios = <&gpioa 0 GPIO_INPUT>; + }; + gpio_ec_entering_rw: ec_entering_rw { + enum-name = "GPIO_ENTERING_RW"; + }; + + ioex_usb_c0_sbu_fault_odl: usb_c0_sbu_fault_odl { + gpios = <&ioex_c0_port1 2 GPIO_INPUT>; + }; + ioex_usb_c0_rt_rst_ls_l: usb_c0_rt_rst_ls_l { + gpios = <&ioex_c0_port0 7 GPIO_OUTPUT>; + }; + + ioex_usb_c0_frs_en: usb_c0_frs_en { + gpios = <&ioex_c0_port0 6 GPIO_OUTPUT_LOW>; + }; + + /* Need to designate 1.8V for I2C buses on the 1800mV rail */ + ec-i2c-sensor-scl { + gpios = <&gpiob 5 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>; + }; + ec-i2c-sensor-sda { + gpios = <&gpiob 4 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>; + }; + ec-i2c-c0-rt-scl { + gpios = <&gpiod 1 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>; + }; + ec-i2c-c0-rt-sda { + gpios = <&gpiod 0 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>; + }; + }; + + usba-port-enable-list { + compatible = "cros-ec,usba-port-enable-pins"; + enable-pins = <&gpio_en_pp5000_usba_r>; + }; +}; + +/* host interface */ +&espi0 { + status = "okay"; + pinctrl-0 = <&espi_lpc_gp46_47_51_52_53_54_55_57>; + pinctrl-names = "default"; +}; + +/* Power switch logic input pads */ +&psl_in1_gpd2 { + /* LID_OPEN */ + psl-in-mode = "edge"; + psl-in-pol = "high-rising"; +}; + +&psl_in2_gp00 { + /* ACOK_OD */ + psl-in-mode = "edge"; + psl-in-pol = "high-rising"; +}; + +&psl_in4_gp02 { + /* MECH_PWR_BTN_ODL */ + psl-in-mode = "edge"; + psl-in-pol = "low-falling"; +}; + +/* Power domain device controlled by PSL (Power Switch Logic) IO pads */ +&power_ctrl_psl { + status = "okay"; + pinctrl-names = "sleep"; + pinctrl-0 = <&psl_in1_gpd2 &psl_in2_gp00 &psl_in3_gp01 &psl_in4_gp02>; +}; + +/* ADC and GPIO alt-function specifications */ +&adc0 { + pinctrl-0 = <&adc0_chan0_gp45 + &adc0_chan1_gp44 + &adc0_chan8_gpf1 + &adc0_chan7_gpe1>; + pinctrl-names = "default"; +}; + +&i2c0_0 { + label = "I2C_SENSOR"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c0_0_sda_scl_gpb4_b5>; + pinctrl-names = "default"; +}; + +&i2c1_0 { + label = "I2C_USB_C0_TCPC"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c1_0_sda_scl_gp87_90>; + pinctrl-names = "default"; + + tcpc_port0: nct38xx@70 { + compatible = "nuvoton,nct38xx"; + gpio-dev = <&nct3807_C0>; + reg = <0x70>; + tcpc-flags = <(TCPC_FLAGS_TCPCI_REV2_0)>; + }; + + nct3807_C0:nct3807_C0@70 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nuvoton,nct38xx-gpio"; + reg = <0x70>; + label = "NCT3807_C0"; + + ioex_c0_port0:gpio@0 { + compatible = "nuvoton,nct38xx-gpio-port"; + reg = <0x0>; + label = "NCT3807_C0_GPIO0"; + gpio-controller; + #gpio-cells = <2>; + ngpios = <8>; + pin_mask = <0xff>; + pinmux_mask = <0xf7>; + }; + ioex_c0_port1:gpio@1 { + compatible = "nuvoton,nct38xx-gpio-port"; + reg = <0x1>; + label = "NCT3807_C0_GPIO1"; + gpio-controller; + #gpio-cells = <2>; + ngpios = <8>; + pin_mask = <0xff>; + }; + }; + + nct3808_alert_0 { + compatible = "nuvoton,nct38xx-gpio-alert"; + irq-gpios = <&gpioe 0 GPIO_ACTIVE_LOW>; + nct38xx-dev = <&nct3807_C0>; + label = "NCT3807_ALERT_0"; + }; +}; + +&i2c2_0 { + label = "I2C_PPC0"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c2_0_sda_scl_gp91_92>; + pinctrl-names = "default"; + + bc12_port0: pi3usb9201@5f { + compatible = "pericom,pi3usb9201"; + status = "okay"; + reg = <0x5f>; + irq = <&int_usb_c0_bc12>; + }; + + ppc_port0_syv: ppc_syv@40 { + compatible = "silergy,syv682x"; + status = "okay"; + reg = <0x40>; + frs_en_gpio = <&ioex_usb_c0_frs_en>; + }; +}; + +&i2c3_0 { + label = "I2C_USB_C0_RT"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c3_0_sda_scl_gpd0_d1>; + pinctrl-names = "default"; + + usb_c0_hb_retimer: jhl8040r-c0@56 { + compatible = "intel,jhl8040r"; + reg = <0x56>; + ls-en-pin = <&gpio_usb_c0_rt_3p3_sx_en>; + int-pin = <&gpio_usb_c0_rt_int_odl>; + reset-pin = <&ioex_usb_c0_rt_rst_ls_l>; + }; +}; + +&i2c4_1 { + label = "I2_USB_C1_TCPC"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c4_1_sda_scl_gpf2_f3>; + pinctrl-names = "default"; +}; + +&i2c5_0 { + label = "I2C__BATTERY"; + clock-frequency = <I2C_BITRATE_STANDARD>; + + pinctrl-0 = <&i2c5_0_sda_scl_gp33_36>; + pinctrl-names = "default"; +}; + +&i2c6_1 { + label = "I2C_USB_1_MIX"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c6_1_sda_scl_gpe3_e4>; + pinctrl-names = "default"; +}; + +&i2c7_0 { + label = "I2C_CHARGER"; + clock-frequency = <I2C_BITRATE_FAST>; + + pinctrl-0 = <&i2c7_0_sda_scl_gpb2_b3>; + pinctrl-names = "default"; + + cbi_eeprom: eeprom@50 { + compatible = "atmel,at24"; + reg = <0x50>; + size = <2048>; + pagesize = <16>; + address-width = <8>; + timeout = <5>; + }; + + charger: isl9241@9 { + compatible = "intersil,isl9241"; + status = "okay"; + reg = <0x09>; + }; +}; |