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brcm2708: add support for device tree overlays

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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 47125
This commit is contained in:
John Crispin 2015-10-05 10:27:41 +00:00
parent b97498ab29
commit d1fc19265a
2 changed files with 16 additions and 0 deletions
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7
target/linux/brcm2708/image/Makefile
View File

@ -21,6 +21,12 @@ else
endef endef
endif endif
define Image/Prepare
rm -rf $(KDIR)/overlays
mkdir -p $(KDIR)/overlays
$(CP) $(DTS_DIR)/overlays/*.dtb $(KDIR)/overlays/
endef
### Image scripts ### ### Image scripts ###
define Build/gen-cfg define Build/gen-cfg
cat config.txt > $@.config cat config.txt > $@.config
@ -41,6 +47,7 @@ define Build/boot-img
mcopy -i $@.boot $@.config ::config.txt mcopy -i $@.boot $@.config ::config.txt
mcopy -i $@.boot $(word 1,$^) ::kernel.img mcopy -i $@.boot $(word 1,$^) ::kernel.img
mcopy -i $@.boot $(DTS_DIR)/$(DEVICE_DTS).dtb ::$(DEVICE_DTS).dtb mcopy -i $@.boot $(DTS_DIR)/$(DEVICE_DTS).dtb ::$(DEVICE_DTS).dtb
mcopy -s -i $@.boot $(KDIR)/overlays ::
endef endef
define Build/sdcard-img define Build/sdcard-img

9
target/linux/brcm2708/image/config.txt
View File

@ -927,3 +927,12 @@ init_uart_clock=3000000
################################################################################ ################################################################################
dtparam=random=on,watchdog=on,audio=on,i2c0=on,i2c1=on,spi=on dtparam=random=on,watchdog=on,audio=on,i2c0=on,i2c1=on,spi=on
#dtoverlay=hifiberry-amp-overlay
#dtoverlay=hifiberry-dac-overlay
#dtoverlay=hifiberry-dacplus-overlay
#dtoverlay=hifiberry-digi-overlay
#dtoverlay=iqaudio-dac-overlay
#dtoverlay=iqaudio-dacplus-overlay
#dtoverlay=raspidac3-overlay
#dtoverlay=rpi-proto-overlay