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authorJohn Crispin <john@openwrt.org>2015-10-05 10:27:41 +0000
committerJohn Crispin <john@openwrt.org>2015-10-05 10:27:41 +0000
commitd1fc19265ab7f85c9a254a7c278069ef8a6ecfdb (patch)
tree837e8eea2e0d9ceeccdd39b7a8482542ca2c3e4c /target/linux/brcm2708/image
parentb97498ab29089fd8318cabbcfbab25b263f552be (diff)
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brcm2708: add support for device tree overlays
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> SVN-Revision: 47125
Diffstat (limited to 'target/linux/brcm2708/image')
-rw-r--r--target/linux/brcm2708/image/Makefile7
-rw-r--r--target/linux/brcm2708/image/config.txt9
2 files changed, 16 insertions, 0 deletions
diff --git a/target/linux/brcm2708/image/Makefile b/target/linux/brcm2708/image/Makefile
index 7a68c506cf..3744cace58 100644
--- a/target/linux/brcm2708/image/Makefile
+++ b/target/linux/brcm2708/image/Makefile
@@ -21,6 +21,12 @@ else
endef
endif
+define Image/Prepare
+ rm -rf $(KDIR)/overlays
+ mkdir -p $(KDIR)/overlays
+ $(CP) $(DTS_DIR)/overlays/*.dtb $(KDIR)/overlays/
+endef
+
### Image scripts ###
define Build/gen-cfg
cat config.txt > $@.config
@@ -41,6 +47,7 @@ define Build/boot-img
mcopy -i $@.boot $@.config ::config.txt
mcopy -i $@.boot $(word 1,$^) ::kernel.img
mcopy -i $@.boot $(DTS_DIR)/$(DEVICE_DTS).dtb ::$(DEVICE_DTS).dtb
+ mcopy -s -i $@.boot $(KDIR)/overlays ::
endef
define Build/sdcard-img
diff --git a/target/linux/brcm2708/image/config.txt b/target/linux/brcm2708/image/config.txt
index f66f6bc3f3..1fb880f9be 100644
--- a/target/linux/brcm2708/image/config.txt
+++ b/target/linux/brcm2708/image/config.txt
@@ -927,3 +927,12 @@ init_uart_clock=3000000
################################################################################
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