设备树代码
&soc {
leds {
compatible = "gpio-leds";
status = "okay";
gpio_pb6 {
label = "GPIO_PB6";
gpios = <&pio PB 6 GPIO_ACTIVE_HIGH>; /* PB6 */
// 初始状态：设为on（触发模式需要LED先开启）
default-state = "on";
// 核心：指定默认触发模式为heartbeat
linux,default-trigger = "heartbeat";
};
};
card0_boot_para@2 {
/*
* Avoid dtc compiling warnings.
* @TODO: Developer should modify this to the actual value
*/
reg = <0x0 0x2 0x0 0x0>;
device_type = "card0_boot_para";
card_ctrl = <0x0>;
card_high_speed = <0x1>;
card_line = <0x4>;
pinctrl-0 = <&sdc0_pins_a>;
};
card2_boot_para@3 {
/*
* Avoid dtc compiling warnings.
* @TODO: Developer should modify this to the actual value
*/
reg = <0x0 0x3 0x0 0x0>;
device_type = "card2_boot_para";
card_ctrl = <0x2>;
card_high_speed = <0x1>;
card_line = <0x4>;
pinctrl-0 = <&sdc2_pins_a>;
/*pinctrl-0 = <&sdc0_pins_a>;*/
/*sdc_ex_dly_used = <0x2>;*/
sdc_io_1v8 = <0x1>;
/*sdc_type = "tm4";*/
sdc_tm4_hs200_max_freq = <150>;
sdc_tm4_hs400_max_freq = <100>;
sdc_ex_dly_used = <2>;
/*sdc_tm4_win_th = <8>;*/
/*sdc_dis_host_caps = <0x180>;*/
};
rfkill: rfkill@0 {
compatible = "allwinner,sunxi-rfkill";
chip_en;
power_en;
pinctrl-0 ;
pinctrl-names;
status = "okay";
wlan: wlan@0 {
compatible = "allwinner,sunxi-wlan";
clock-names ;
clocks;
wlan_power = "axp2202‑aldo3", "axp2202‑bldo1"; /* vcc‑pl/vcc‑pg/vcc‑pm */
// wlan_power_vol= <3300000>, <1800000>;
wlan_busnum = <0x1>;
// wlan_regon = <&pio PE 3 GPIO_ACTIVE_HIGH>;
wlan_hostwake = <&pio PG 10 GPIO_ACTIVE_HIGH>;
/*wlan_power = "VCC-3V3";*/
wlan_power_vol = <3300000>;
/*interrupt-parent = <&pio>;
interrupts = < PG 10 IRQ_TYPE_LEVEL_HIGH>;*/
chip_en; /*启用模块*/
power_en; /*启用 Wi-Fi 电源*/
status = "okay"; /*启用这个节点*/
wakeup-source;
};
bt: bt@0 {
compatible = "allwinner,sunxi-bt";
clock-names ;
clocks ;
/*bt_power_num = <0x01>;*/
/*bt_power = "axp803-dldo1";*/
/*bt_io_regulator = "axp803-dldo1";*/
/*bt_io_vol = <3300000>;*/
bt_power_vol = <3300000>;
bt_power = "axp2202‑aldo3", "axp2202‑bldo1"; /* vcc‑pl/vcc‑pg/vcc‑pm */
// bt_power_vol= <3300000>, <1800000>;
// bt_rst_n = <&pio PE 2 GPIO_ACTIVE_LOW>;
status = "okay";
};
};
btlpm: btlpm@0 {
compatible = "allwinner,sunxi-btlpm";
uart_index = <0x1>;
// bt_wake = <&pio PE 1 GPIO_ACTIVE_HIGH>;
bt_hostwake = <&pio PG 11 GPIO_ACTIVE_HIGH>;
wakeup-source;
status = "okay";
};
addr_mgt: addr_mgt@0 {
compatible = "allwinner,sunxi-addr_mgt";
type_addr_wifi = <0x0>;
type_addr_bt = <0x0>;
type_addr_eth = <0x0>;
status = "okay";
};
};
