mpu6050_interrupt: Add interrupt to the driver

mpu6050/mpu6050-interrupt/Makefile

@@ -0,0 +1,13 @@
+obj-m += mpu6050_interrupt.o
+obj-m +=mpu6050.o
+
+KERNEL_DIR :=  /home/bekir/Work/LinuxKernelCamp/linux/linux-stable
+
+COMPILE_FLAGS += CROSS_COMPILE=arm-linux-gnueabihf- CROSS=arm-linux-gnueabihf- ARCH=arm
+
+all:
+		make -C $(KERNEL_DIR) M=$(PWD) $(COMPILE_FLAGS) modules
+clean:
+		make -C $(KERNEL_DIR) M=$(PWD) $(COMPILE_FLAGS) clean
+install:
+		make -C $(KERNEL_DIR) M=$(PWD) modules_install INSTALL_MOD_PATH=$(PWD)/build_modules

mpu6050/mpu6050-interrupt/device_tree_overlay/sun8i-h3-i2c-mpu6050.dts

@@ -0,0 +1,32 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "allwinner,sun8i-h3";
+
+	fragment@0 {
+		target = <&i2c0>;
+		__overlay__ {
+			mpu6050@68 {
+				compatible = "gl,mpu6050";
+				reg = <0x68>;
+				interrupt-parent = <&pio>;
+				interrupts = <0 1 2>;
+				interrupt-names = "mpu6050_interrupt";
+				pinctrl-names = "default";
+				pinctrl-0 = <&mpu6050_int_pin>;
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&pio>;
+		__overlay__ {
+			mpu6050_int_pin: mpu6050-int-pin {
+				pins = "PA1";
+				function = "gpio_in";
+			};
+		};
+	};
+};

mpu6050/mpu6050-interrupt/logs/dmesg_1

@@ -0,0 +1,169 @@
+root@orangepione:~# dmesg -w
+[64540.111649] gl,mpu6050 0-0068: i2c client address is 0x68
+[64540.112103] gl,mpu6050 0-0068: i2c mpu6050 device found, WHO_AM_I register value = 0x68
+[64540.232663] gl,mpu6050 0-0068: drv_client->irq = 50
+[64540.232674] gl,mpu6050 0-0068: i2c driver probed
+[64540.232860] mpu6050: i2c driver created
+[64540.232894] mpu6050: sysfs class created
+[64540.232917] mpu6050: sysfs class attributes created
+[64540.232920] mpu6050: module loaded
+[64540.238057] delay work is active
+[64540.341532] delay work is active
+[64540.539109] delay work is active
+[64540.736682] delay work is active
+[64540.934228] delay work is active
+[64541.131820] delay work is active
+[64541.329375] delay work is active
+[64541.526948] delay work is active
+[64541.724534] delay work is active
+[64541.922121] delay work is active
+[64542.119695] delay work is active
+[64542.317296] delay work is active
+[64542.514872] delay work is active
+[64542.712443] delay work is active
+[64542.910016] delay work is active
+[64543.107613] delay work is active
+[64543.305199] delay work is active
+[64543.502754] delay work is active
+[64543.700330] delay work is active
+[64543.897923] delay work is active
+[64544.095535] delay work is active
+[64544.293126] delay work is active
+[64544.490698] delay work is active
+[64544.688283] delay work is active
+[64544.885856] delay work is active
+[64545.083444] delay work is active
+[64545.281029] delay work is active
+[64545.478616] delay work is active
+[64545.676190] delay work is active
+[64545.873753] delay work is active
+[64546.071346] delay work is active
+[64546.268906] delay work is active
+[64546.466484] delay work is active
+[64546.664071] delay work is active
+[64546.861660] delay work is active
+[64547.059235] delay work is active
+[64547.256832] delay work is active
+[64547.454423] delay work is active
+[64547.652001] delay work is active
+[64547.849581] delay work is active
+[64548.047165] delay work is active
+[64548.244734] delay work is active
+[64548.442345] delay work is active
+[64548.639912] delay work is active
+[64548.837507] delay work is active
+[64549.035122] delay work is active
+[64549.232713] delay work is active
+[64549.430313] delay work is active
+[64549.627873] delay work is active
+[64549.825462] delay work is active
+[64550.023069] delay work is active
+[64550.220635] delay work is active
+[64550.418248] delay work is active
+[64550.615841] delay work is active
+[64550.813434] delay work is active
+[64551.011046] delay work is active
+[64551.208624] delay work is active
+[64551.406214] delay work is active
+[64551.603811] delay work is active
+[64551.801398] delay work is active
+[64551.998996] delay work is active
+[64552.196594] delay work is active
+[64552.394191] delay work is active
+[64552.591788] delay work is active
+[64552.789371] delay work is active
+[64552.986928] delay work is active
+[64553.184559] delay work is active
+[64553.382173] delay work is active
+[64553.579734] delay work is active
+[64553.777320] delay work is active
+[64553.974937] delay work is active
+[64554.172494] delay work is active
+[64554.370087] delay work is active
+[64554.567685] delay work is active
+[64554.765266] delay work is active
+[64554.962865] delay work is active
+[64555.160481] delay work is active
+[64555.358060] delay work is active
+[64555.555653] delay work is active
+[64555.753228] delay work is active
+[64555.950812] delay work is active
+[64556.148388] delay work is active
+[64556.345981] delay work is active
+[64556.543588] delay work is active
+[64556.741227] delay work is active
+[64556.938752] delay work is active
+[64557.136314] delay work is active
+[64557.333927] delay work is active
+[64557.531480] delay work is active
+[64557.729082] delay work is active
+[64557.926683] delay work is active
+[64558.124231] delay work is active
+[64558.321833] delay work is active
+[64558.519400] delay work is active
+[64558.717007] delay work is active
+[64558.914584] delay work is active
+[64559.112184] delay work is active
+[64559.309772] delay work is active
+[64559.507335] delay work is active
+[64559.704934] delay work is active
+[64559.902516] delay work is active
+[64560.100088] delay work is active
+[64560.297684] delay work is active
+[64560.495255] delay work is active
+[64560.692834] delay work is active
+[64560.890449] delay work is active
+[64561.087979] delay work is active
+[64561.285612] delay work is active
+[64561.483165] delay work is active
+[64561.680778] delay work is active
+[64561.878368] delay work is active
+[64562.075920] delay work is active
+[64562.273525] delay work is active
+[64562.471115] delay work is active
+[64562.668697] delay work is active
+[64562.866240] delay work is active
+[64563.063837] delay work is active
+[64563.261407] delay work is active
+[64563.459011] delay work is active
+[64563.656608] delay work is active
+[64563.854199] delay work is active
+[64564.051783] delay work is active
+[64564.249343] delay work is active
+[64564.446934] delay work is active
+[64564.644533] delay work is active
+[64564.842086] delay work is active
+[64565.039667] delay work is active
+[64565.237258] delay work is active
+[64565.434843] delay work is active
+[64565.632429] delay work is active
+[64565.829998] delay work is active
+[64566.027605] delay work is active
+[64566.225173] delay work is active
+[64566.422753] delay work is active
+[64566.620340] delay work is active
+[64566.817888] delay work is active
+[64567.015486] delay work is active
+[64567.213045] delay work is active
+[64567.410636] delay work is active
+[64567.608217] delay work is active
+[64567.805784] delay work is active
+[64568.003335] delay work is active
+[64568.200916] delay work is active
+[64568.398496] delay work is active
+[64568.596090] delay work is active
+[64568.793649] delay work is active
+[64568.991248] delay work is active
+[64569.188806] delay work is active
+[64569.386375] delay work is active
+[64569.583980] delay work is active
+[64569.781564] delay work is active
+[64569.979155] delay work is active
+[64570.176721] delay work is active
+[64570.374306] delay work is active
+[64570.421589] mpu6050: sysfs class attributes removed
+[64570.421670] mpu6050: sysfs class destroyed
+[64570.421863] gl,mpu6050 0-0068: i2c driver removed
+[64570.421991] mpu6050: i2c driver deleted
+[64570.421995] mpu6050: module exited
+

mpu6050/mpu6050-interrupt/logs/dmesg_2

@@ -0,0 +1,123 @@
+root@orangepione:~# dmesg -w
+[65178.875001] gl,mpu6050 0-0068: i2c client address is 0x68
+[65178.875452] gl,mpu6050 0-0068: i2c mpu6050 device found, WHO_AM_I register value = 0x68
+[65178.992653] gl,mpu6050 0-0068: drv_client->irq = 50
+[65178.992665] gl,mpu6050 0-0068: i2c driver probed
+[65178.992849] mpu6050: i2c driver created
+[65178.992887] mpu6050: sysfs class created
+[65178.992908] mpu6050: sysfs class attributes created
+[65178.992911] mpu6050: module loaded
+[65178.996524] irq 50 was generated
+[65179.101599] irq 50 was generated
+[65179.299310] irq 50 was generated
+[65179.497022] irq 50 was generated
+[65179.694747] irq 50 was generated
+[65179.892443] irq 50 was generated
+[65180.090175] irq 50 was generated
+[65180.287890] irq 50 was generated
+[65180.485590] irq 50 was generated
+[65180.683301] irq 50 was generated
+[65180.881039] irq 50 was generated
+[65181.078747] irq 50 was generated
+[65181.276467] irq 50 was generated
+[65181.474186] irq 50 was generated
+[65181.671877] irq 50 was generated
+[65181.869598] irq 50 was generated
+[65182.067307] irq 50 was generated
+[65182.265019] irq 50 was generated
+[65182.462752] irq 50 was generated
+[65182.660462] irq 50 was generated
+[65182.858172] irq 50 was generated
+[65183.055887] irq 50 was generated
+[65183.253604] irq 50 was generated
+[65183.451342] irq 50 was generated
+[65183.649027] irq 50 was generated
+[65183.846759] irq 50 was generated
+[65184.044501] irq 50 was generated
+[65184.242192] irq 50 was generated
+[65184.439910] irq 50 was generated
+[65184.637604] irq 50 was generated
+[65184.835305] irq 50 was generated
+[65185.033026] irq 50 was generated
+[65185.230743] irq 50 was generated
+[65185.428455] irq 50 was generated
+[65185.626175] irq 50 was generated
+[65185.823879] irq 50 was generated
+[65186.021607] irq 50 was generated
+[65186.219325] irq 50 was generated
+[65186.417016] irq 50 was generated
+[65186.614726] irq 50 was generated
+[65186.812447] irq 50 was generated
+[65187.010160] irq 50 was generated
+[65187.207883] irq 50 was generated
+[65187.405595] irq 50 was generated
+[65187.603309] irq 50 was generated
+[65187.801017] irq 50 was generated
+[65187.998717] irq 50 was generated
+[65188.196446] irq 50 was generated
+[65188.394142] irq 50 was generated
+[65188.591845] irq 50 was generated
+[65188.789561] irq 50 was generated
+[65188.987281] irq 50 was generated
+[65189.184998] irq 50 was generated
+[65189.382702] irq 50 was generated
+[65189.580406] irq 50 was generated
+[65189.778119] irq 50 was generated
+[65189.975857] irq 50 was generated
+[65190.173560] irq 50 was generated
+[65190.371301] irq 50 was generated
+[65190.569018] irq 50 was generated
+[65190.766736] irq 50 was generated
+[65190.964461] irq 50 was generated
+[65191.162220] irq 50 was generated
+[65191.359907] irq 50 was generated
+[65191.557638] irq 50 was generated
+[65191.755335] irq 50 was generated
+[65191.953031] irq 50 was generated
+[65192.150748] irq 50 was generated
+[65192.348482] irq 50 was generated
+[65192.546206] irq 50 was generated
+[65192.743913] irq 50 was generated
+[65192.941626] irq 50 was generated
+[65193.139310] irq 50 was generated
+[65193.337050] irq 50 was generated
+[65193.534797] irq 50 was generated
+[65193.732507] irq 50 was generated
+[65193.930195] irq 50 was generated
+[65194.127919] irq 50 was generated
+[65194.325624] irq 50 was generated
+[65194.523371] irq 50 was generated
+[65194.721098] irq 50 was generated
+[65194.918809] irq 50 was generated
+[65195.116512] irq 50 was generated
+[65195.314200] irq 50 was generated
+[65195.511935] irq 50 was generated
+[65195.709659] irq 50 was generated
+[65195.907348] irq 50 was generated
+[65196.105072] irq 50 was generated
+[65196.302814] irq 50 was generated
+[65196.500524] irq 50 was generated
+[65196.698233] irq 50 was generated
+[65196.895955] irq 50 was generated
+[65197.093680] irq 50 was generated
+[65197.291427] irq 50 was generated
+[65197.489140] irq 50 was generated
+[65197.686849] irq 50 was generated
+[65197.884599] irq 50 was generated
+[65198.082325] irq 50 was generated
+[65198.280022] irq 50 was generated
+[65198.477759] irq 50 was generated
+[65198.675486] irq 50 was generated
+[65198.873205] irq 50 was generated
+[65199.070924] irq 50 was generated
+[65199.268645] irq 50 was generated
+[65199.466356] irq 50 was generated
+[65199.664083] irq 50 was generated
+[65199.861094] mpu6050: sysfs class attributes removed
+[65199.861180] mpu6050: sysfs class destroyed
+[65199.861994] irq 50 was generated
+[65199.862050] gl,mpu6050 0-0068: i2c driver removed
+[65199.862200] mpu6050: i2c driver deleted
+[65199.862204] mpu6050: module exited
+
+

mpu6050/mpu6050-interrupt/logs/log_1

@@ -0,0 +1,34 @@
+  ___  ____  _    ___             
+ / _ \|  _ \(_)  / _ \ _ __   ___ 
+| | | | |_) | | | | | | '_ \ / _ \
+| |_| |  __/| | | |_| | | | |  __/
+ \___/|_|   |_|  \___/|_| |_|\___|
+
+Welcome to Armbian Bionic with Linux 5.3.7-dirty
+
+System load:   0.00 0.00 0.00  	Up time:       17:54 hours		
+Memory usage:  9 % of 498MB  	IP:            192.168.100.2
+Usage of /:    13% of 7.3G   	
+
+[ General system configuration (beta): armbian-config ]
+
+Last login: Fri Dec 13 03:10:59 2019
+
+root@orangepione:~# insmod ./mpu6050.ko^C
+root@orangepione:~# cd /home/bekir/
+root@orangepione:/home/bekir# insmod ./mpu6050_delay_work.ko
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/temp
+25.128
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/temp
+25.112
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/temp
+25.128
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/accel_x
+-5864
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/accel_y
+-5908
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/accel_z
+14868
+root@orangepione:/home/bekir# rmmod mpu6050_delay_work 
+root@orangepione:/home/bekir# 
+

mpu6050/mpu6050-interrupt/logs/log_2

@@ -0,0 +1,15 @@
+root@orangepione:/home/bekir# insmod ./mpu6050_interrupt.ko 
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/accel_x
+-5776
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/accel_y
+-5840
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/accel_z
+14896
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/temp 
+24.260
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/temp 
+24.308
+root@orangepione:/home/bekir# cat /sys/class/mpu6050/temp 
+24.276
+root@orangepione:/home/bekir# rmmod mpu6050_interrupt 
+root@orangepione:/home/bekir#