Messages in this thread | | | Date | Mon, 25 Jan 2021 12:15:20 +0100 | From | Cyril Brulebois <> | Subject | Re: [PATCH] cmd_dtc: Enable generation of device tree symbols |
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Hi,
Uwe Kleine-König <uwe@kleine-koenig.org> (2021-01-25): > Adding the -@ switch to dtc results in the binary devicetrees containing > a list of symbolic references and their paths. This is necessary to > apply device tree overlays e.g. on Raspberry Pi as described on > https://www.raspberrypi.org/documentation/configuration/device-tree.md. > > Obviously the downside of this change is an increas of the size of the
(as spotted by Uwe right after sending →) increase
> generated dtbs, for an arm out-of-tree build (multi_v7_defconfig): > > $ du -s arch/arm/boot/dts* > 101380 arch/arm/boot/dts-pre > 114308 arch/arm/boot/dts-post > > so this is in average an increase of 12.8% in size. > > Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Tested-by: Cyril Brulebois <cyril@debamax.com>
with: - a Raspberry Pi CM3 - a carrier board designed after the official IO Board V3 - an RTC accessible over I²C, made functional via a DTB overlay, that can only be enabled once bcm2710-rpi-cm3.dtb has been generated with this patch applied.
Cheers, -- Cyril Brulebois -- Debian Consultant @ DEBAMAX -- https://debamax.com/ [unhandled content-type:application/pgp-signature] | |