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Diffstat (limited to 'zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts')
-rw-r--r--zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts195
1 files changed, 147 insertions, 48 deletions
diff --git a/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts b/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts
index a1b61d02ec..52ee525eae 100644
--- a/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts
+++ b/zephyr/boards/riscv/it8xxx2_evb/it8xxx2_evb.dts
@@ -26,103 +26,67 @@
power_button_l: power_button_l {
gpios = <&gpioe 4 GPIO_INPUT_PULL_UP>;
enum-name = "GPIO_POWER_BUTTON_L";
- label = "POWER_BUTTON_L";
};
lid_open: lid_open {
gpios = <&gpioe 2 GPIO_INPUT_PULL_UP>;
enum-name = "GPIO_LID_OPEN";
- label = "LID_OPEN";
};
wp_l {
gpios = <&gpioi 4 GPIO_INPUT_PULL_UP>;
enum-name = "GPIO_WP_L";
- label = "WP_L";
};
pch_pltrst_l {
gpios = <&gpioe 3 GPIO_INPUT_PULL_UP>;
enum-name = "GPIO_PCH_RSMRST_L";
- label = "PCH_PLTRST_L";
};
uart1_rx {
gpios = <&gpiob 0 GPIO_INPUT_PULL_UP>;
#enum-name = "GPIO_UART1_RX";
- label = "UART1_RX";
- };
- pch_smi_l {
- gpios = <&gpiod 3 GPIO_OUT_HIGH>;
- #enum-name = "GPIO_PCH_SMI_L";
- label = "PCH_SMI_L";
- };
- pch_sci_l {
- gpios = <&gpiod 4 GPIO_OUT_HIGH>;
- #enum-name = "GPIO_PCH_SCI_L";
- label = "PCH_SCI_L";
- };
- gate_a20_h {
- gpios = <&gpiob 5 GPIO_OUT_HIGH>;
- #enum-name = "GPIO_GATE_A20_H";
- label = "GATE_A20_H";
};
sys_reset_l {
gpios = <&gpiob 6 GPIO_OUT_HIGH>;
enum-name = "GPIO_SYS_RESET_L";
- label = "SYS_RESET_L";
- };
- lpc_clkrun_l {
- gpios = <&gpioh 0 GPIO_OUT_LOW>;
- #enum-name = "GPIO_LPC_CLKRUN_L";
- label = "LPC_CLKRUN_L";
};
pch_wake_l {
gpios = <&gpiob 7 GPIO_OUT_HIGH>;
enum-name = "GPIO_EC_PCH_WAKE_ODL";
- label = "PCH_WAKE_L";
};
i2c_a_scl {
gpios = <&gpiob 3 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C0_SENSOR_SCL";
- label = "I2C_A_SCL";
};
i2c_a_sda {
gpios = <&gpiob 4 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C0_SENSOR_SDA";
- label = "I2C_A_SDA";
};
i2c_b_scl {
gpios = <&gpioc 1 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C1_USB_C0_SCL";
- label = "I2C_B_SCL";
};
i2c_b_sda {
gpios = <&gpioc 2 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C1_USB_C0_SDA";
- label = "I2C_B_SDA";
};
i2c_c_scl {
gpios = <&gpiof 6 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C2_USB_C1_SCL";
- label = "I2C_C_SCL";
};
i2c_c_sda {
gpios = <&gpiof 7 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C2_USB_C1_SDA";
- label = "I2C_C_SDA";
};
i2c_e_scl {
gpios = <&gpioe 0 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C5_BATTERY_SCL";
- label = "I2C_E_SCL";
};
i2c_e_sda {
gpios = <&gpioe 7 GPIO_INPUT>;
enum-name = "GPIO_EC_I2C5_BATTERY_SDA";
- label = "I2C_E_SDA";
};
spi0_cs {
gpios = <&gpiom 5 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
enum-name = "GPIO_SPI0_CS";
- label = "SPI0_CS";
};
};
@@ -173,43 +137,167 @@
battery {
i2c-port = <&i2c2>;
enum-name = "I2C_PORT_BATTERY";
- label = "BATTERY";
};
evb-1 {
i2c-port = <&i2c0>;
enum-name = "I2C_PORT_EVB_1";
- label = "EVB_1";
};
evb-2 {
i2c-port = <&i2c1>;
enum-name = "I2C_PORT_EVB_2";
- label = "EVB_2";
};
opt-4 {
i2c-port = <&i2c4>;
enum-name = "I2C_PORT_OPT_4";
- label = "OPT_4";
};
};
named-pwms {
compatible = "named-pwms";
+
/* NOTE: &pwm number needs same with channel number */
- test0 {
- pwms = <&pwm7 PWM_CHANNEL_7 PWM_POLARITY_INVERTED>;
- label = "TEST0";
+ pwm_test: test {
+ pwms = <&pwm0 PWM_CHANNEL_0 PWM_POLARITY_NORMAL>;
/*
* If we need pwm output in ITE chip power saving
* mode, then we should set frequency <=324Hz.
*/
frequency = <324>;
};
- test1 {
- pwms = <&pwm0 PWM_CHANNEL_0 PWM_POLARITY_NORMAL>;
- label = "TEST1";
+ pwm_fan: fan {
+ pwms = <&pwm7 PWM_CHANNEL_7 PWM_POLARITY_NORMAL>;
frequency = <30000>;
};
};
+
+ named-fans {
+ compatible = "named-fans";
+
+ fan_0 {
+ label = "FAN_0";
+ pwm = <&pwm_fan>;
+ tach = <&tach0>;
+ rpm_min = <1500>;
+ rpm_start = <1500>;
+ rpm_max = <6500>;
+ };
+ };
+
+ unused-pins {
+ compatible = "unused-gpios";
+
+ unused-gpios =
+ /* gpioa1 */
+ <&gpioa 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpioa2 */
+ <&gpioa 2 GPIO_INPUT_PULL_DOWN>,
+ /* gpioa3 */
+ <&gpioa 3 GPIO_INPUT_PULL_DOWN>,
+ /* gpioa4 */
+ <&gpioa 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpioa5 */
+ <&gpioa 5 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpiob2 */
+ <&gpiob 2 GPIO_INPUT_PULL_DOWN>,
+ /* gpiob5 */
+ <&gpiob 5 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpioc0 */
+ <&gpioc 0 GPIO_INPUT_PULL_DOWN>,
+ /* gpioc4 */
+ <&gpioc 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpioc6 */
+ <&gpioc 6 GPIO_INPUT_PULL_DOWN>,
+ /* gpioc7 */
+ <&gpioc 7 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpiod0 */
+ <&gpiod 0 GPIO_INPUT_PULL_DOWN>,
+ /* gpiod1 */
+ <&gpiod 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpiod2 */
+ <&gpiod 2 GPIO_INPUT_PULL_DOWN>,
+ /* gpiod3 */
+ <&gpiod 3 GPIO_INPUT_PULL_DOWN>,
+ /* gpiod4 */
+ <&gpiod 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpiod5 */
+ <&gpiod 5 GPIO_INPUT_PULL_DOWN>,
+ /* gpiod7 */
+ <&gpiod 7 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpioe1 */
+ <&gpioe 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpioe5 */
+ <&gpioe 5 GPIO_INPUT_PULL_DOWN>,
+ /* gpioe6 */
+ <&gpioe 6 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpiof0 */
+ <&gpiof 0 GPIO_INPUT_PULL_DOWN>,
+ /* gpiof1 */
+ <&gpiof 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpiof2 */
+ <&gpiof 2 GPIO_INPUT_PULL_DOWN>,
+ /* gpiof3 */
+ <&gpiof 3 GPIO_INPUT_PULL_DOWN>,
+ /* gpiof4 */
+ <&gpiof 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpiof5 */
+ <&gpiof 5 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpiog1 */
+ <&gpiog 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpiog6 */
+ <&gpiog 6 GPIO_INPUT_PULL_UP>,
+
+ /* gpioh0 */
+ <&gpioh 0 GPIO_INPUT_PULL_DOWN>,
+ /* gpioh3 */
+ <&gpioh 3 GPIO_INPUT_PULL_DOWN>,
+ /* gpioh4 */
+ <&gpioh 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpioh5 */
+ <&gpioh 5 GPIO_INPUT_PULL_DOWN>,
+ /* gpioh6 */
+ <&gpioh 6 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpioi6 */
+ <&gpioi 6 GPIO_INPUT_PULL_DOWN>,
+ /* gpioi7 */
+ <&gpioi 7 GPIO_INPUT_PULL_DOWN>,
+
+ /* gpioj0 */
+ <&gpioj 0 GPIO_INPUT_PULL_DOWN>,
+ /* gpioj1 */
+ <&gpioj 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpioj2 */
+ <&gpioj 2 GPIO_INPUT_PULL_DOWN>,
+ /* gpioj3 */
+ <&gpioj 3 GPIO_INPUT_PULL_DOWN>,
+ /* gpioj4 */
+ <&gpioj 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpioj5 */
+ <&gpioj 5 GPIO_INPUT_PULL_DOWN>,
+ /* gpioj6 */
+ <&gpioj 6 GPIO_OUT_LOW>,
+ /* gpioj7 */
+ <&gpioj 7 GPIO_OUT_LOW>,
+
+ /* gpiom0 */
+ <&gpiom 0 GPIO_INPUT_PULL_DOWN>,
+ /* gpiom1 */
+ <&gpiom 1 GPIO_INPUT_PULL_DOWN>,
+ /* gpiom2 */
+ <&gpiom 2 GPIO_INPUT_PULL_DOWN>,
+ /* gpiom3 */
+ <&gpiom 3 GPIO_INPUT_PULL_DOWN>,
+ /* gpiom4 */
+ <&gpiom 4 GPIO_INPUT_PULL_DOWN>,
+ /* gpiom6 */
+ <&gpiom 6 GPIO_INPUT_PULL_DOWN>;
+ };
};
&adc0 {
@@ -242,14 +330,25 @@
clock-frequency = <1804800>;
};
-/* TEST1 */
+&ite_uart1_wrapper {
+ status = "okay";
+};
+
+/* pwm for test */
&pwm0 {
status = "okay";
prescaler-cx = <PWM_PRESCALER_C6>;
};
-/* TEST0 */
+/* pwm for fan */
&pwm7 {
status = "okay";
prescaler-cx = <PWM_PRESCALER_C4>;
};
+
+/* fan tachometer sensor */
+&tach0 {
+ status = "okay";
+ channel = <IT8XXX2_TACH_CHANNEL_A>;
+ pulses-per-round = <2>;
+};
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