[PATCH 12/16] arm: bcm7xxx: Add a devicetree file

[Simon Glass]

Add a dummy devicetree file for these boards. It seems to be possible to
obtain a real one from another bootloader called 'bolt' but I will leave
this to the maintainer.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 arch/arm/dts/Makefile     |  2 ++
 arch/arm/dts/bcm7xxx.dts  | 15 +++++++++++++++
 configs/bcm7260_defconfig |  1 +
 configs/bcm7445_defconfig |  1 +
 4 files changed, 19 insertions(+)
 create mode 100644 arch/arm/dts/bcm7xxx.dts

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index dd6d66af5e6..ea7a4cf87de 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1077,6 +1077,8 @@ dtb-$(CONFIG_ARCH_BCM6858) += \
 
 dtb-$(CONFIG_TARGET_BCMNS3) += ns3-board.dtb
 
+dtb-$(CONFIG_ARCH_BCMSTB) += bcm7xxx.dtb
+
 dtb-$(CONFIG_ASPEED_AST2500) += ast2500-evb.dtb
 dtb-$(CONFIG_ASPEED_AST2600) += ast2600-evb.dtb
 
diff --git a/arch/arm/dts/bcm7xxx.dts b/arch/arm/dts/bcm7xxx.dts
new file mode 100644
index 00000000000..799cc9caad4
--- /dev/null
+++ b/arch/arm/dts/bcm7xxx.dts
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Dummy devicetre file for bcm7260 board
+ *
+ * This is required to make the board build with CONFIG OF_SEPARATE
+ * In-tree document explains how to obtain a real devicetree using 'bolt' but
+ * I did not attempt this.
+ *
+ * Copyright 2021 Google LLC
+ */
+
+/dts-v1/;
+
+/ {
+};
diff --git a/configs/bcm7260_defconfig b/configs/bcm7260_defconfig
index 3afb909f712..89b5b01ad76 100644
--- a/configs/bcm7260_defconfig
+++ b/configs/bcm7260_defconfig
@@ -7,6 +7,7 @@ CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x814800
 CONFIG_SYS_MALLOC_LEN=0x2800000
+CONFIG_DEFAULT_DEVICE_TREE="bcm7xxx"
 CONFIG_ENV_OFFSET_REDUND=0x824800
 CONFIG_SYS_LOAD_ADDR=0x02000000
 CONFIG_FIT=y
diff --git a/configs/bcm7445_defconfig b/configs/bcm7445_defconfig
index 3726abd7354..92c1b36185a 100644
--- a/configs/bcm7445_defconfig
+++ b/configs/bcm7445_defconfig
@@ -8,6 +8,7 @@ CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x1E0000
 CONFIG_ENV_SECT_SIZE=0x10000
 CONFIG_SYS_MALLOC_LEN=0xa00000
+CONFIG_DEFAULT_DEVICE_TREE="bcm7xxx"
 CONFIG_ENV_OFFSET_REDUND=0x1F0000
 CONFIG_SYS_LOAD_ADDR=0x02000000
 CONFIG_FIT=y
-- 
2.33.0.882.g93a45727a2-goog