From 4d5edf5eda2bef4cc6dfc24932730f7c98452402 Mon Sep 17 00:00:00 2001
From: Vyacheslav Bocharov <adeep@lexina.in>
Date: Thu, 20 Jul 2023 16:16:26 +0300
Subject: [PATCH] JetHome: Add RS485 ports aliases in /dev/serial/rs485 for
 JetHub D1/D1+

---
 config/sources/families/jethub.conf           |  5 +++++
 .../jethubj100/90-jethub-rs485-aliases.rules  | 22 +++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 packages/bsp/jethub/jethubj100/90-jethub-rs485-aliases.rules

diff --git a/config/sources/families/jethub.conf b/config/sources/families/jethub.conf
index a3d151898a..69cdb37f4e 100644
--- a/config/sources/families/jethub.conf
+++ b/config/sources/families/jethub.conf
@@ -210,6 +210,11 @@ family_tweaks_bsp() {
 		# Ethernet LED setup
 		run_host_command_logged cp -v "$SRC/packages/bsp/jethub/$BOARD/05-jethub_set_eth_leds.rules" "$destination/etc/udev/rules.d/"
 	fi
+	if [[ "$BOARD" == jethubj100 ]]; then
+
+		# Add /dev/serial/rs485 aliases
+		run_host_command_logged cp -v "$SRC/packages/bsp/jethub/$BOARD/90-jethub-rs485-aliases.rules" "$destination/etc/udev/rules.d/"
+	fi
 
 	run_host_command_logged mkdir -pv "$destination/etc/udev/rules.d"
 	run_host_command_logged mkdir -pv "$destination/usr/local/bin"
diff --git a/packages/bsp/jethub/jethubj100/90-jethub-rs485-aliases.rules b/packages/bsp/jethub/jethubj100/90-jethub-rs485-aliases.rules
new file mode 100644
index 0000000000..fcabcc07ab
--- /dev/null
+++ b/packages/bsp/jethub/jethubj100/90-jethub-rs485-aliases.rules
@@ -0,0 +1,22 @@
+ACTION=="remove", GOTO="serial_end"
+SUBSYSTEM!="tty", GOTO="serial_end"
+
+SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id", IMPORT{builtin}="hwdb --subsystem=usb"
+
+# /dev/serial/by-path/, /dev/serial/by-id/ for USB devices
+KERNEL!="ttyUSB[0-9]*", GOTO="serial_end"
+
+SUBSYSTEMS=="usb-serial", ENV{.ID_PORT}="$attr{port_number}"
+
+IMPORT{builtin}="path_id"
+
+ENV{ID_BUS}=="", GOTO="serial_end"
+ENV{ID_SERIAL}=="", GOTO="serial_end"
+ENV{ID_USB_INTERFACE_NUM}=="", GOTO="serial_end"
+# CP2105, rev >1.8
+ENV{ID_PATH}=="platform-xhci-hcd.0.auto-usb-0:1.1:1.*", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea70", SYMLINK+="serial/rs485/ttyRS485-$env{ID_USB_INTERFACE_NUM}"
+# CP2104, rev <=1.8
+ENV{ID_PATH}=="platform-xhci-hcd.0.auto-usb-0:1.1:1.0", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", SYMLINK+="serial/rs485/ttyRS485-0"
+ENV{ID_PATH}=="platform-xhci-hcd.0.auto-usb-0:1.2:1.0", ATTRS{idVendor}=="10c4", ATTRS{idProduct}=="ea60", SYMLINK+="serial/rs485/ttyRS485-1"
+
+LABEL="serial_end"