于 2018年6月25日 GMT+08:00 下午3:43:51, Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx> 写到: >On 6/24/2018 6:34 PM, Harald Geyer wrote: >> Icenowy Zheng writes: >>> >在 2018-03-15四的 16:25 +0000,Harald Geyer写道: >>>> > >+&mmc1 { >>>> > >+ pinctrl-names = "default"; >>>> > >+ pinctrl-0 = <&mmc1_pins>; >>>> > >+ vmmc-supply = <®_aldo2>; >>>> > >+ vqmmc-supply = <®_dldo4>; >>>> > >+ mmc-pwrseq = <&wifi_pwrseq>; >>>> > >+ bus-width = <4>; >>>> > >+ non-removable; >>>> > >+ status = "okay"; >>>> > >+ >>>> > >+ rtl8723bs: wifi@1 { >>>> > >+ reg = <1>; >>>> > >+ interrupt-parent = <&r_pio>; >>>> > >+ interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */ >>>> > >+ interrupt-names = "host-wake"; >>>> > >+ }; > >[...] > >>> >- This device node has no binding. The "host-wake" interrupt is >part of >>> > Broadcom SDIO Wi-Fi binding, rather than a generic one. >> I think the general mmc and interrupts bindings apply. And the mmc >binding >> clearly states that for sub-nodes a compatible string is optional. >> >> However I just realized that the 'interrupt-names' property is not >part >> of the general interrupts binding, so I guess at least this property >should >> be removed. > >Indeed. If the device just used the SDIO interrupt this is not needed. >The Broadcom device can use either SDIO interrupt or a so-called >out-of-band host-wake interrupt, which is what the above represents. RTL8....S is also capable of use OOB interrupt. > >Regards, >Arend -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html