From e628b72ed4b0ab5364368046922ac0d0c221d7ab Mon Sep 17 00:00:00 2001
From: Trevor Woerner <twoerner@gmail.com>
Date: Mon, 2 Oct 2023 10:44:55 -0400
Subject: [PATCH] nanopi-m4b: add

NanoPi M4B is a RK3399-based (dual-core A72, quad-core A53 with NEON) board
in the same form factor as the RPi B3+ (including compatible connectors) with
onboard 2.4/5.0 dual-band WiFi + Bluetooth 5.0 with USB type-C power from
FriendlyElec.

https://www.friendlyelec.com/index.php?route=product/product&product_id=275

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
---
 README                                      |  1 +
 conf/machine/nanopi-m4b.conf                | 11 +++++++++++
 recipes-kernel/linux/linux-yocto_%.bbappend |  1 +
 3 files changed, 13 insertions(+)
 create mode 100644 conf/machine/nanopi-m4b.conf

diff --git a/README b/README
index 8104474..bcf1e0b 100644
--- a/README
+++ b/README
@@ -32,6 +32,7 @@ Status of supported boards:
 		nanopi-r4s
 		rock-5b
 		nanopi-r2s
+		nanopi-m4b
 	builds:
 		marsboard-rk3066
 		radxarock
diff --git a/conf/machine/nanopi-m4b.conf b/conf/machine/nanopi-m4b.conf
new file mode 100644
index 0000000..35cd8f6
--- /dev/null
+++ b/conf/machine/nanopi-m4b.conf
@@ -0,0 +1,11 @@
+#@TYPE: Machine
+#@NAME: NanoPi M4B
+#@DESCRIPTION: NanoPi M4B RK3399-based board which has the same form factor as the RPi B3+.
+#https://www.friendlyelec.com/index.php?route=product/product&product_id=275
+
+require conf/machine/include/rk3399.inc
+
+MACHINE_EXTRA_RRECOMMENDS += "kernel-modules"
+
+KERNEL_DEVICETREE = "rockchip/rk3399-nanopi-m4b.dtb"
+UBOOT_MACHINE = "nanopi-m4b-rk3399_defconfig"
diff --git a/recipes-kernel/linux/linux-yocto_%.bbappend b/recipes-kernel/linux/linux-yocto_%.bbappend
index d627a06..7da92db 100644
--- a/recipes-kernel/linux/linux-yocto_%.bbappend
+++ b/recipes-kernel/linux/linux-yocto_%.bbappend
@@ -14,6 +14,7 @@ COMPATIBLE_MACHINE:rock64 = "rock64"
 COMPATIBLE_MACHINE:rock-pi-e = "rock-pi-e"
 COMPATIBLE_MACHINE:nanopi-r4s = "nanopi-r4s"
 COMPATIBLE_MACHINE:nanopi-r2s = "nanopi-r2s"
+COMPATIBLE_MACHINE:nanopi-m4b = "nanopi-m4b"
 
 SRC_URI:append = " file://rockchip-kmeta;type=kmeta;name=rockchip-kmeta;destsuffix=rockchip-kmeta"
 SRC_URI:append:nanopi-r4s = " file://nanopi-r4s.scc"