From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric@anholt.net (Eric Anholt) Date: Wed, 29 Apr 2015 09:29:26 -0700 Subject: [PATCH 3/3] ARM: bcm2835: Add the necessary firmware driver information to the DT In-Reply-To: <55403787.7010407@wwwdotorg.org> References: <1430176449-12322-1-git-send-email-eric@anholt.net> <1430176449-12322-4-git-send-email-eric@anholt.net> <55403787.7010407@wwwdotorg.org> Message-ID: <87y4laq4nt.fsf@eliezer.anholt.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Stephen Warren writes: > On 04/27/2015 05:14 PM, Eric Anholt wrote: >> This gets the USB power domain turned on so that DWC2 can probe, even >> if the bootloader didn't turn it on for us (which is the case if you >> use the RPi firmware without chainloading U-Boot). > >> diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi > >> +&usb { >> + power-domains = <&firmware POWER_DOMAIN_USB>; >> +}; > > That property doesn't seem to be documented in > Documentation/devicetree/bindings/usb/dwc2.txt (which defines compatible > = "brcm,bcm2835-usb"). Is it implemented? power-domains is a generic property that's parsed by drivers/base/power/domain.c. See also Documentation/devicetree/bindings/power/power_domain.txt& -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 818 bytes Desc: not available URL: