From f7f2878e023dff23d31d38391305b4ffbe294834 Mon Sep 17 00:00:00 2001
From: Stephen Chen <stephen@radxa.com>
Date: Sat, 20 Jan 2024 17:30:38 +0800
Subject: [PATCH] rock-4c-plus: add

ROCK 4C Plus is a Rockchip RK3399-T based SBC from Radxa.

Specs:
- Rockchip RK3399-T, 2x Cortex-A72 @ 1.5GHz, 4x Cortex-A53@1GHz
- Mali T860MP4 GPU
- RaspberryPi 4 form factor
- 64bit LPDDR4
- eMMC
- Micro SD
- SPI Nor Flash
- Two Micro-HDMI (HDMI 4K and HDMI 2K)
- 4-lane MIPI DSI
- MIPI CSI
- GbE LAN with Power over Ethernet (PoE) support
- Wi-Fi 5 and BT5.0 wireless module
- 3.5mm headphone jack
- Four USB ports (two USB2.0 and two USB3.0)
- RTC
- LEDs
- Power button
- Pwm fan
- 40-pin color expansion header

https://wiki.radxa.com/Rock4/4cplus

Signed-off-by: Stephen Chen <stephen@radxa.com>
---
 README                                      |  1 +
 conf/machine/rock-4c-plus.conf              | 10 ++++++++++
 recipes-kernel/linux/linux-yocto_%.bbappend |  1 +
 3 files changed, 12 insertions(+)
 create mode 100644 conf/machine/rock-4c-plus.conf

diff --git a/README b/README
index e323278..4c30f75 100644
--- a/README
+++ b/README
@@ -39,6 +39,7 @@ Status of supported boards:
 		roc-rk3308-cc
 		orangepi-5-plus
 		rock-3a
+		rock-4c-plus
 	builds:
 		marsboard-rk3066
 		radxarock
diff --git a/conf/machine/rock-4c-plus.conf b/conf/machine/rock-4c-plus.conf
new file mode 100644
index 0000000..fec4167
--- /dev/null
+++ b/conf/machine/rock-4c-plus.conf
@@ -0,0 +1,10 @@
+#@TYPE: Machine
+#@NAME: ROCK 4C Plus
+#@DESCRIPTION: ROCK 4C Plus based on Rockchip RK3399-T Processor is designed by Radxa.
+#https://wiki.radxa.com/Rock4/4cplus
+#https://docs.radxa.com/en/rock4/rock4c+
+
+require conf/machine/include/rock-pi-4.inc
+
+KERNEL_DEVICETREE = "rockchip/rk3399-rock-4c-plus.dtb"
+UBOOT_MACHINE = "rock-4c-plus-rk3399_defconfig"
diff --git a/recipes-kernel/linux/linux-yocto_%.bbappend b/recipes-kernel/linux/linux-yocto_%.bbappend
index 9a7ca6a..41451df 100644
--- a/recipes-kernel/linux/linux-yocto_%.bbappend
+++ b/recipes-kernel/linux/linux-yocto_%.bbappend
@@ -19,6 +19,7 @@ COMPATIBLE_MACHINE:rock-pi-s = "rock-pi-s"
 COMPATIBLE_MACHINE:roc-rk3328-cc = "roc-rk3328-cc"
 COMPATIBLE_MACHINE:roc-rk3308-cc = "roc-rk3308-cc"
 COMPATIBLE_MACHINE:rock-3a = "rock-3a"
+COMPATIBLE_MACHINE:rock-4c-plus = "rock-4c-plus"
 
 SRC_URI:append = " file://rockchip-kmeta;type=kmeta;name=rockchip-kmeta;destsuffix=rockchip-kmeta"
 SRC_URI:append:nanopi-r4s = " file://nanopi-r4s.scc"