dtsi
i2c0: i2c@1c27000 {
compatible = "allwinner,sun6i-a31-i2c";
reg = <0x01c27000 0x400>;
interrupts = <7>;
clocks = <&ccu CLK_BUS_I2C0>;
resets = <&ccu RST_BUS_I2C0>;
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};dts
&i2c0 {
status = "okay";
tsc2007@48 {
compatible = "ti,tsc2007";
reg = <0x48>;
interrupt-parent = <&pio>;
interrupts = <4 10 0x2>;
gpios = <&pio 4 10 GPIO_ACTIVE_LOW>;
pendown-gpio = <&pio 4 10 GPIO_ACTIVE_LOW>;
ti,x-plate-ohms = <660>;
wakeup-source;
status = "okay";
};
};用了这个命令ts_test发现一直在打印数据，而且那个点也一直在lcd左上角动，然后使用cat /proc/interrupts命令发现居然一直在中断
[root@lmnb:~]$ cat /proc/interrupts
CPU0
16: 12129 sun4i_irq 13 Edge timer@1c20c00
17: 298 sun4i_irq 29 Edge 1c0c000.lcd-controller
18: 0 sun4i_irq 18 Edge 1c02000.dma-controller
20: 0 sun4i_irq 10 Edge sun6i-spi
21: 0 sun4i_irq 11 Edge sun6i-spi
22: 298480 sun4i_irq 7 Edge mv64xxx_i2c
26: 3159 sun4i_irq 23 Edge sunxi-mmc
27: 12897 sun4i_irq 1 Edge ttyS0
28: 0 sun4i_irq 26 Edge musb-hdrc.1.auto
64: 1 sunxi_pio_edge 34 Edge usb0-id-det
72: 17059 sunxi_pio_edge 42 Edge tsc2007
Err: 0离线