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如何在海思DTS中添加GPIO中断,能让外设驱动识别,求指教
要使用GPIO0_5给外设WIFI驱动,做中断。目前DTS配置是这样的
DTSI部分
gpio_chip0: gpio_chip@12140000 {
compatible = "arm,pl061", "arm,primecell";
reg = <0x12140000 0x1000>;
interrupts = <0 43 4>;
clocks = <&clock HI3519_SYSAPB_CLK>;
clock-names = "apb_pclk";
#gpio-cells = <2>;
status = "disabled";
};
mmc1: himciv200.SD@0x100d0000 {
compatible = "hisilicon,hi3519-himciv200";
reg = <0x100d0000 0x10000>;
interrupts = <0 24 4>;
clocks = <&clock HI3519_MMC1_CLK>;
clock-names = "mmc_clk";
bus-width = <4>;
max-frequency = <48000000>;
cap-mmc-highspeed;
#cap-sd-highspeed;
#non-removable;
#sd-uhs-sdr12;
#sd-uhs-sdr25;
#sd-uhs-sdr50;
#sd-uhs-sdr104;
mmc-hs400-1_8v;
devid = <1>;
status = "disabled";
needs-special-hs-handling;
cap-power-off-card;
keep-power-in-suspend;
#address-cells = <1>;
#size-cells = <0>;
wlcore: wlcore@0 {
compatible = "wifi";
reg = <2>;
interrupt-parent = <&gpio_chip0>;
interrupts = <5 IRQ_TYPE_EDGE_RISING>;
};
};
DTS部分
&mmc0 {
status = "okay";
};
&gpio_chip0 {
status = "okay";
};
加载wifi驱动的时候,识别不到IRQ
错误如下:
wifi_sdio mmc2:0001:2: No irq in platform data
有高手能帮忙指导下吗,有偿也可以。
DTSI部分
gpio_chip0: gpio_chip@12140000 {
compatible = "arm,pl061", "arm,primecell";
reg = <0x12140000 0x1000>;
interrupts = <0 43 4>;
clocks = <&clock HI3519_SYSAPB_CLK>;
clock-names = "apb_pclk";
#gpio-cells = <2>;
status = "disabled";
};
mmc1: himciv200.SD@0x100d0000 {
compatible = "hisilicon,hi3519-himciv200";
reg = <0x100d0000 0x10000>;
interrupts = <0 24 4>;
clocks = <&clock HI3519_MMC1_CLK>;
clock-names = "mmc_clk";
bus-width = <4>;
max-frequency = <48000000>;
cap-mmc-highspeed;
#cap-sd-highspeed;
#non-removable;
#sd-uhs-sdr12;
#sd-uhs-sdr25;
#sd-uhs-sdr50;
#sd-uhs-sdr104;
mmc-hs400-1_8v;
devid = <1>;
status = "disabled";
needs-special-hs-handling;
cap-power-off-card;
keep-power-in-suspend;
#address-cells = <1>;
#size-cells = <0>;
wlcore: wlcore@0 {
compatible = "wifi";
reg = <2>;
interrupt-parent = <&gpio_chip0>;
interrupts = <5 IRQ_TYPE_EDGE_RISING>;
};
};
DTS部分
&mmc0 {
status = "okay";
};
&gpio_chip0 {
status = "okay";
};
加载wifi驱动的时候,识别不到IRQ
错误如下:
wifi_sdio mmc2:0001:2: No irq in platform data
有高手能帮忙指导下吗,有偿也可以。
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