rockchip: add NanoPi R2C Plus support

The NanoPi R2C Plus is a small variant of NanoPi R2C with a on-board
eMMC flash (8G) included.

Installation
------------
Uncompress the OpenWrt sysupgrade and write it to a micro SD card or
internal eMMC using dd.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

5 files changed, 75 insertions, 0 deletions

diff --git a/target/linux/rockchip/armv8/base-files/etc/board.d/01_leds b/target/linux/rockchip/armv8/base-files/etc/board.d/01_leds
index fbbe2735e9..43dcd55016 100644
--- a/target/linux/rockchip/armv8/base-files/etc/board.d/01_leds
+++ b/target/linux/rockchip/armv8/base-files/etc/board.d/01_leds
@@ -9,6 +9,7 @@ board_config_update
 
 case $board in
 friendlyarm,nanopi-r2c|\
+friendlyarm,nanopi-r2c-plus|\
 friendlyarm,nanopi-r2s|\
 friendlyarm,nanopi-r4s|\
 xunlong,orangepi-r1-plus|\
diff --git a/target/linux/rockchip/armv8/base-files/etc/board.d/02_network b/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
index 01e32c7740..2a83acc85c 100644
--- a/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
+++ b/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
@@ -8,6 +8,7 @@ rockchip_setup_interfaces()
 
 	case "$board" in
 	friendlyarm,nanopi-r2c|\
+	friendlyarm,nanopi-r2c-plus|\
 	friendlyarm,nanopi-r2s|\
 	friendlyarm,nanopi-r4s|\
 	xunlong,orangepi-r1-plus|\
@@ -68,6 +69,7 @@ rockchip_setup_macs()
 		wan_mac=$(macaddr_generate_from_mmc_cid mmcblk*)
 		lan_mac=$(macaddr_add "$wan_mac" 1)
 		;;
+	friendlyarm,nanopi-r2c-plus|\
 	friendlyarm,nanopi-r5s)
 		wan_mac=$(macaddr_generate_from_mmc_cid mmcblk1)
 		lan_mac=$(macaddr_add "$wan_mac" 1)
diff --git a/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity b/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
index 09fc420fec..852e84a6e4 100644
--- a/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
+++ b/target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity
@@ -30,6 +30,7 @@ set_interface_core() {
 
 case "$(board_name)" in
 friendlyarm,nanopi-r2c|\
+friendlyarm,nanopi-r2c-plus|\
 friendlyarm,nanopi-r2s|\
 xunlong,orangepi-r1-plus|\
 xunlong,orangepi-r1-plus-lts)
diff --git a/target/linux/rockchip/image/armv8.mk b/target/linux/rockchip/image/armv8.mk
index 0bf91d15ca..310ab28687 100644
--- a/target/linux/rockchip/image/armv8.mk
+++ b/target/linux/rockchip/image/armv8.mk
@@ -30,6 +30,14 @@ define Device/friendlyarm_nanopi-r2c
 endef
 TARGET_DEVICES += friendlyarm_nanopi-r2c
 
+define Device/friendlyarm_nanopi-r2c-plus
+  DEVICE_VENDOR := FriendlyARM
+  DEVICE_MODEL := NanoPi R2C Plus
+  SOC := rk3328
+  DEVICE_PACKAGES := kmod-usb-net-rtl8152
+endef
+TARGET_DEVICES += friendlyarm_nanopi-r2c-plus
+
 define Device/friendlyarm_nanopi-r2s
   DEVICE_VENDOR := FriendlyARM
   DEVICE_MODEL := NanoPi R2S
diff --git a/target/linux/rockchip/patches-6.1/016-v6.5-arm64-dts-rockchip-Add-FriendlyARM-NanoPi-R2C-Plus.patch b/target/linux/rockchip/patches-6.1/016-v6.5-arm64-dts-rockchip-Add-FriendlyARM-NanoPi-R2C-Plus.patch
new file mode 100644
index 0000000000..d0a0aa1b69
--- /dev/null
+++ b/target/linux/rockchip/patches-6.1/016-v6.5-arm64-dts-rockchip-Add-FriendlyARM-NanoPi-R2C-Plus.patch
@@ -0,0 +1,63 @@
+From d211665c5a833873ee37e501af58adbf028e6b5f Mon Sep 17 00:00:00 2001
+From: Tianling Shen <cnsztl@gmail.com>
+Date: Sat, 13 May 2023 21:53:07 +0800
+Subject: [PATCH] arm64: dts: rockchip: Add FriendlyARM NanoPi R2C Plus
+
+The NanoPi R2C Plus is a small variant of NanoPi R2C with a on-board
+eMMC flash (8G) included.
+
+Signed-off-by: Tianling Shen <cnsztl@gmail.com>
+Link: https://lore.kernel.org/r/20230513135307.26554-2-cnsztl@gmail.com
+Signed-off-by: Heiko Stuebner <heiko@sntech.de>
+---
+ arch/arm64/boot/dts/rockchip/Makefile              |  1 +
+ .../boot/dts/rockchip/rk3328-nanopi-r2c-plus.dts   | 33 ++++++++++++++++++++++
+ 2 files changed, 34 insertions(+)
+ create mode 100644 arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c-plus.dts
+
+--- a/arch/arm64/boot/dts/rockchip/Makefile
++++ b/arch/arm64/boot/dts/rockchip/Makefile
+@@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3326-od
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-a1.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-evb.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2c.dtb
++dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2c-plus.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-nanopi-r2s.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-orangepi-r1-plus.dtb
+ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3328-orangepi-r1-plus-lts.dtb
+--- /dev/null
++++ b/arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c-plus.dts
+@@ -0,0 +1,33 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++/*
++ * Copyright (c) 2021 FriendlyElec Computer Tech. Co., Ltd.
++ * (http://www.friendlyarm.com)
++ *
++ * Copyright (c) 2023 Tianling Shen <cnsztl@gmail.com>
++ */
++
++/dts-v1/;
++#include "rk3328-nanopi-r2c.dts"
++
++/ {
++	model = "FriendlyElec NanoPi R2C Plus";
++	compatible = "friendlyarm,nanopi-r2c-plus", "rockchip,rk3328";
++
++	aliases {
++		mmc1 = &emmc;
++	};
++};
++
++&emmc {
++	bus-width = <8>;
++	cap-mmc-highspeed;
++	max-frequency = <150000000>;
++	mmc-ddr-1_8v;
++	mmc-hs200-1_8v;
++	non-removable;
++	pinctrl-names = "default";
++	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
++	vmmc-supply = <&vcc_io_33>;
++	vqmmc-supply = <&vcc18_emmc>;
++	status = "okay";
++};