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openwrt/target/linux/brcm2708/patches-4.4/0180-BCM270X_DT-Add-a-.dtbo-target-use-for-overlays.patch

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brcm2708: update linux 4.4 patches to latest version As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-04-24 11:03:39 +00:00
From 37896fb199519698fe090107f60013158738ea4a Mon Sep 17 00:00:00 2001
brcm2708: update to latest version As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/commits/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-04-07 19:25:10 +00:00
From: Phil Elwell <phil@raspberrypi.org>
Date: Fri, 13 Mar 2015 20:00:21 +0000
brcm2708: update linux 4.4 patches to latest version As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-04-24 11:03:39 +00:00
Subject: [PATCH 180/304] BCM270X_DT: Add a .dtbo target, use for overlays
brcm2708: update to latest version As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/commits/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-04-07 19:25:10 +00:00
Change the filenames and extensions to keep the pre-DDT style of
overlay (<name>-overlay.dtb) distinct from new ones that use a
different style of local fixups (<name>.dtbo), and to match other
platforms.
The RPi firmware uses the DDTK trailer atom to choose which type of
overlay to use for each kernel.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/.gitignore | 2 +-
arch/arm/boot/dts/overlays/Makefile | 135 +++++++++++++++++-------------------
scripts/Makefile.lib | 10 +++
3 files changed, 76 insertions(+), 71 deletions(-)
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,4 +3,4 @@ zImage
xipImage
bootpImage
uImage
-*.dtb
+*.dtb*
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -12,78 +12,73 @@ ifeq ($(CONFIG_ARCH_BCM2835),y)
RPI_DT_OVERLAYS=y
endif
-dtb-$(RPI_DT_OVERLAYS) += ads7846-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += at86rf233-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += dwc2-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += dwc-otg-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += gpio-ir-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += gpio-poweroff-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += hifiberry-amp-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += hifiberry-dac-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += hifiberry-dacplus-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += hifiberry-digi-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += hy28a-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += hy28b-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += i2c-rtc-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += i2c-gpio-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += i2c0-bcm2708-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += i2c1-bcm2708-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += i2s-mmap-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += iqaudio-dac-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += iqaudio-dacplus-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += lirc-rpi-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += mcp2515-can0-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += mcp2515-can1-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pi3-disable-bt-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pi3-miniuart-bt-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += piscreen2r-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pitft28-capacitive-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pitft28-resistive-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pwm-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += pwm-2chan-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += raspidac3-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += rpi-backlight-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += rpi-dac-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += rpi-display-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += rpi-ft5406-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += rpi-proto-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += rpi-sense-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += sdhost-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += sdio-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += sdtweak-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += smi-dev-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += smi-nand-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += smi-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi1-1cs-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi1-2cs-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi1-3cs-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi2-1cs-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi2-2cs-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi2-3cs-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += spi-gpio35-39-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += tinylcd35-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += uart1-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += vc4-kms-v3d-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += vga666-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += w1-gpio-overlay.dtb
-dtb-$(RPI_DT_OVERLAYS) += w1-gpio-pullup-overlay.dtb
+dtbo-$(RPI_DT_OVERLAYS) += ads7846.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += at86rf233.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += dwc2.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += dwc-otg.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += dht11.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += enc28j60.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += gpio-ir.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += gpio-poweroff.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hifiberry-amp.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dac.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dacplus.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hy28a.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hy28b.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += i2c-rtc.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += i2c-gpio.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += i2c0-bcm2708.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += i2c1-bcm2708.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += i2s-mmap.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += iqaudio-dac.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += iqaudio-dacplus.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += lirc-rpi.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can0.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can1.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += mmc.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += mz61581.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pi3-disable-bt.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pi3-miniuart-bt.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += piscreen.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += piscreen2r.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pitft28-capacitive.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pitft28-resistive.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pps-gpio.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pwm.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += pwm-2chan.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += raspidac3.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += rpi-backlight.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += rpi-dac.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += rpi-display.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += rpi-ft5406.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += rpi-proto.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += rpi-sense.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += sdhost.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += sdio.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += sdtweak.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += smi-dev.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += smi-nand.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += smi.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi1-1cs.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi1-2cs.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi1-3cs.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi2-1cs.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi2-2cs.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi2-3cs.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += spi-gpio35-39.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += tinylcd35.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += uart1.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += vc4-kms-v3d.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += vga666.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += w1-gpio.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += w1-gpio-pullup.dtbo
targets += dtbs dtbs_install
-targets += $(dtb-y)
+targets += $(dtbo-y)
endif
-always := $(dtb-y)
-clean-files := *.dtb
-
-# Enable fixups to support overlays on BCM2708 platforms
-ifeq ($(RPI_DT_OVERLAYS),y)
- DTC_FLAGS ?= -@
-endif
+always := $(dtbo-y)
+clean-files := *.dtbo
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -292,6 +292,16 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
$(obj)/%.dtb: $(src)/%.dts FORCE
$(call if_changed_dep,dtc)
+quiet_cmd_dtco = DTCO $@
+cmd_dtco = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+ $(objtree)/scripts/dtc/dtc -@ -O dtb -o $@ -b 0 \
+ -i $(dir $<) $(DTC_FLAGS) \
+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
+
+$(obj)/%.dtbo: $(src)/%-overlay.dts FORCE
+ $(call if_changed_dep,dtco)
+
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
# Bzip2
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