[add] CoreMP135 custom

Config.in

@@ -1 +1,2 @@
 source "$BR2_EXTERNAL_ST_PATH/package/m4projects/Config.in"
+source "$BR2_EXTERNAL_ST_PATH/package/tinyalsa_custom/Config.in"

board/m5stack/coremp135/linux-dts/stm32mp135f-coremp135.dts

@@ -531,6 +531,7 @@
 	pinctrl-1 = <&usart6_sleep_pins_mx>;
 	/delete-property/dmas;
 	/delete-property/dma-names;
+	rx-tx-swap;
 	status = "okay";
 };
 
@@ -1253,13 +1254,13 @@
 	usart6_pins_mx: usart6_mx-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135/optee-dts/stm32mp135f-coremp135.dts

@@ -611,6 +611,7 @@
 &usart6 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usart6_pins_mx>;
+	rx-tx-swap;
 	status = "okay";
 };
 
@@ -664,13 +665,13 @@
 	usart6_pins_mx: usart6_mx-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135/tfa-dts/stm32mp135f-coremp135.dts

@@ -291,6 +291,7 @@
 &usart6 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usart6_pins_mx>;
+	rx-tx-swap;
 	status = "okay";
 };
 
@@ -311,13 +312,13 @@
 	usart6_pins_mx: usart6_mx-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135/uboot-dts/stm32mp135f-coremp135.dts

@@ -257,6 +257,7 @@
 	pinctrl-2 = <&usart6_idle_pins_mx>;
 	/delete-property/dmas;
 	/delete-property/dma-names;
+	rx-tx-swap;
 	status = "okay";
 
 	u-boot,dm-pre-reloc;
@@ -426,14 +427,14 @@
 		pins1 {
 			u-boot,dm-pre-reloc;
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			u-boot,dm-pre-reloc;
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135_5_15/linux-dts/stm32mp135f-coremp135.dts

@@ -543,6 +543,7 @@
 	pinctrl-1 = <&usart6_sleep_pins_mx>;
 	/delete-property/dmas;
 	/delete-property/dma-names;
+	rx-tx-swap;
 	status = "okay";
 };
 
@@ -1265,13 +1266,13 @@
 	usart6_pins_mx: usart6_mx-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135_5_15/optee-dts/stm32mp135f-coremp135.dts

@@ -612,6 +612,7 @@
 &usart6 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usart6_pins_mx>;
+	rx-tx-swap;
 	status = "okay";
 };
 
@@ -673,13 +674,13 @@
 	usart6_pins_mx: usart6_mx-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135_5_15/tfa-dts/stm32mp135f-coremp135.dts

@@ -289,6 +289,7 @@
 &usart6 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usart6_pins_mx>;
+	rx-tx-swap;
 	status = "okay";
 };
 
@@ -312,13 +313,13 @@
 	usart6_pins_mx: usart6_mx-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/coremp135_5_15/uboot-dts/stm32mp135f-coremp135.dts

@@ -285,6 +285,7 @@
 	pinctrl-2 = <&usart6_idle_pins_mx>;
 	/delete-property/dmas;
 	/delete-property/dma-names;
+	rx-tx-swap;
 	status = "okay";
 
 	u-boot,dm-pre-reloc;
@@ -452,14 +453,14 @@
 		pins1 {
 			u-boot,dm-pre-reloc;
 			pinmux = <STM32_PINMUX('C', 6, AF7)>; /* USART6_TX */
-			bias-disable;
+			bias-pull-up;
-			drive-push-pull;
-			slew-rate = <0>;
 		};
 		pins2 {
 			u-boot,dm-pre-reloc;
 			pinmux = <STM32_PINMUX('C', 7, AF7)>; /* USART6_RX */
-			bias-pull-up;
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
 		};
 	};
 

board/m5stack/overlay/etc/init.d/S50agetty

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+start() {
+    usr/local/m5stack/lt8618sxb_mcu_config &> /dev/null &
+	/sbin/agetty  --noclear tty1 linux 2>&1 > /dev/null &
+}
+stop() {
+	echo "no" > /dev/null
+}
+restart() {
+	stop
+	start
+}
+
+case "$1" in
+  start)
+  	start
+	;;
+  stop)
+  	stop
+	;;
+  restart|reload)
+  	restart
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?

board/m5stack/overlay/etc/init.d/S90rclocal

@@ -1,16 +1,16 @@
 #!/bin/sh
 #
-# Starts /etc/rc.load.
+# Starts /etc/rc.local.
 #
 
 start() {
-	printf "Stopping /etc/rc.load"
+	printf "Stopping /etc/rc.local"
-    /etc/rc.load start
+    /etc/rc.local start
 	[ $? = 0 ] && echo "OK" || echo "FAIL"
 }
 stop() {
-	printf "Stopping /etc/rc.load"
+	printf "Stopping /etc/rc.local"
-    # /etc/rc.load stop
+    # /etc/rc.local stop
 	[ $? = 0 ] && echo "OK" || echo "FAIL"
 }
 restart() {

board/m5stack/overlay/etc/inittab

@@ -0,0 +1,41 @@
+# /etc/inittab
+#
+# Copyright (C) 2001 Erik Andersen <andersen@codepoet.org>
+#
+# Note: BusyBox init doesn't support runlevels.  The runlevels field is
+# completely ignored by BusyBox init. If you want runlevels, use
+# sysvinit.
+#
+# Format for each entry: <id>:<runlevels>:<action>:<process>
+#
+# id        == tty to run on, or empty for /dev/console
+# runlevels == ignored
+# action    == one of sysinit, respawn, askfirst, wait, and once
+# process   == program to run
+
+# Startup the system
+::sysinit:/bin/mount -t proc proc /proc
+::sysinit:/bin/mount -o remount,rw /
+::sysinit:/bin/mkdir -p /dev/pts /dev/shm
+::sysinit:/bin/mount -a
+::sysinit:/bin/mkdir -p /run/lock/subsys
+::sysinit:/sbin/swapon -a
+null::sysinit:/bin/ln -sf /proc/self/fd /dev/fd
+null::sysinit:/bin/ln -sf /proc/self/fd/0 /dev/stdin
+null::sysinit:/bin/ln -sf /proc/self/fd/1 /dev/stdout
+null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
+::sysinit:/bin/hostname -F /etc/hostname
+# now run any rc scripts
+::sysinit:/etc/init.d/rcS
+
+# Put a getty on the serial port
+console::respawn:/sbin/getty -L console 0 vt100 # GENERIC_SERIAL
+console::respawn:/sbin/getty -L ttyGS0 115200 vt100 # GENERIC_SERIAL
+
+# Stuff to do for the 3-finger salute
+#::ctrlaltdel:/sbin/reboot
+
+# Stuff to do before rebooting
+::shutdown:/etc/init.d/rcK
+::shutdown:/sbin/swapoff -a
+::shutdown:/bin/umount -a -r

board/m5stack/overlay/etc/modules

@@ -15,4 +15,4 @@ snd_soc_stm32_sai
 snd_soc_stm32_sai_sub
 cdc-acm
 libcomposite
-g_serial
+g_serial

board/m5stack/overlay/etc/rc.local

@@ -1,15 +1,16 @@
 #!/bin/sh
 [ "$1" = "stop" ] && exit 0
 modprobe fb_ili9341_m5
-FRAMEBUFFER=/dev/fb1 fbv /usr/local/M5/logo.jpg &> /dev/null &
+FRAMEBUFFER=/dev/fb1 fbv /usr/local/m5stack/logo.jpg &> /dev/null &
 echo 1 4 1 7 > /proc/sys/kernel/printk
-usr/local/M5/lt8618sxb_mcu_config &> /dev/null &
+tinyplay /usr/local/m5stack/logo.wav &> /dev/null &
-tinyplay /usr/local/M5/chexian.wav &> /dev/null &
 
 # set otg master
 # echo 130 > /sys/class/gpio/export && echo out > /sys/class/gpio/gpio130/direction && echo 1 > /sys/class/gpio/gpio130/value 
 # echo "host" >/sys/class/usb_role/49000000.usb-otg-role-switch/role
-
+echo "device" >/sys/class/usb_role/49000000.usb-otg-role-switch/role
 
 # set bus 5V out
-echo 131 > /sys/class/gpio/export && echo out > /sys/class/gpio/gpio131/direction && echo 1 > /sys/class/gpio/gpio131/value
+# echo 131 > /sys/class/gpio/export && echo out > /sys/class/gpio/gpio131/direction && echo 1 > /sys/class/gpio/gpio131/value
+
+