kernel: Bump to 5.4.44

kernel: vc4: Set driver_name for card See: raspberrypi/linux#3656 kernel: configs: Add SND_SOC_MAX98357A=m See: https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=275919 kernel: Add Micro Crystal RV-1805 to i2c-rtc overlays See: raspberrypi/linux#3651 kernel: media: bcm2835-isp: fix bytes per line calculations for some image formats See: raspberrypi/linux#3645 kernel: media: bcm2835-unicam: change minimum number of vb2_queue buffers to 1 See: raspberrypi/linux#3638 kernel: media: i2c: imx477: Return correct result on sensor id verification See: raspberrypi/linux#3630 kernel: Clean up the VCHIQ 2711 DMA support See: raspberrypi/linux#3629 kernel: overlays: i2c-rtc-gpio: Fix trickle-resistor-ohms param See: raspberrypi/linux#3642 kernel: Enable hwmon for thermal zones See: raspberrypi/linux#3307
raspberrypi · Jun 3, 2020 · 23548e5 · 23548e5
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commit 23548e5
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diff --git a/boot/bcm2711-rpi-4-b.dtb b/boot/bcm2711-rpi-4-b.dtb
diff --git a/boot/kernel.img b/boot/kernel.img
diff --git a/boot/kernel7.img b/boot/kernel7.img
diff --git a/boot/kernel7l.img b/boot/kernel7l.img
diff --git a/boot/kernel8.img b/boot/kernel8.img
diff --git a/boot/overlays/README b/boot/overlays/README
@@ -847,6 +847,7 @@ Params: gpiopin                 GPIO for signalling (default 26)
 Name:   gpio-shutdown
 Info:   Initiates a shutdown when GPIO pin changes. The given GPIO pin
         is configured as an input key that generates KEY_POWER events.
+
         This event is handled by systemd-logind by initiating a
         shutdown. Systemd versions older than 225 need an udev rule
         enable listening to the input device:
@@ -855,13 +856,41 @@ Info:   Initiates a shutdown when GPIO pin changes. The given GPIO pin
                         SUBSYSTEMS=="platform", DRIVERS=="gpio-keys", \
                         ATTRS{keys}=="116", TAG+="power-switch"
 
+        Alternatively this event can be handled also on systems without
+        systemd, just by traditional SysV init daemon. KEY_POWER event
+        (keycode 116) needs to be mapped to KeyboardSignal on console
+        and then kb::kbrequest inittab action which is triggered by
+        KeyboardSignal from console can be configured to issue system
+        shutdown. Steps for this configuration are:
+
+            Add following lines to the /etc/console-setup/remap.inc file:
+
+                # Key Power as special keypress
+                keycode 116 = KeyboardSignal
+
+            Then add following lines to /etc/inittab file:
+
+                # Action on special keypress (Key Power)
+                kb::kbrequest:/sbin/shutdown -t1 -a -h -P now
+
+            And finally reload configuration by calling following commands:
+
+                # dpkg-reconfigure console-setup
+                # service console-setup reload
+                # init q
+
         This overlay only handles shutdown. After shutdown, the system
         can be powered up again by driving GPIO3 low. The default
         configuration uses GPIO3 with a pullup, so if you connect a
         button between GPIO3 and GND (pin 5 and 6 on the 40-pin header),
-        you get a shutdown and power-up button.
+        you get a shutdown and power-up button. Please note that
+        Raspberry Pi 1 Model B rev 1 uses GPIO1 instead of GPIO3.
 Load:   dtoverlay=gpio-shutdown,<param>=<val>
 Params: gpio_pin                GPIO pin to trigger on (default 3)
+                                For Raspberry Pi 1 Model B rev 1 set this
+                                explicitly to value 1, e.g.:
+
+                                    dtoverlay=gpio-shutdown,gpio_pin=1
 
         active_low              When this is 1 (active low), a falling
                                 edge generates a key down event and a
@@ -873,7 +902,8 @@ Params: gpio_pin                GPIO pin to trigger on (default 3)
                                 Default is "up".
 
                                 Note that the default pin (GPIO3) has an
-                                external pullup.
+                                external pullup. Same applies for GPIO1
+                                on Raspberry Pi 1 Model B rev 1.
 
         debounce                Specify the debounce interval in milliseconds
                                 (default 100)
@@ -1166,17 +1196,19 @@ Params: abx80x                  Select one of the ABx80x family:
 
         pcf8563                 Select the PCF8563 device
 
+        rv1805                  Select the Micro Crystal RV1805 device
+
         rv3028                  Select the Micro Crystal RV3028 device
 
         addr                    Sets the address for the RTC. Note that the
                                 device must be configured to use the specified
                                 address.
 
         trickle-diode-type      Diode type for trickle charge - "standard" or
-                                "schottky" (ABx80x only)
+                                "schottky" (ABx80x and RV1805 only)
 
         trickle-resistor-ohms   Resistor value for trickle charge (DS1339,
-                                ABx80x, RV3028)
+                                ABx80x, RV1805, RV3028)
 
         wakeup-source           Specify that the RTC can be used as a wakeup
                                 source
@@ -1213,17 +1245,19 @@ Params: abx80x                  Select one of the ABx80x family:
 
         pcf8563                 Select the PCF8563 device
 
+        rv1805                  Select the Micro Crystal RV1805 device
+
         rv3028                  Select the Micro Crystal RV3028 device
 
         addr                    Sets the address for the RTC. Note that the
                                 device must be configured to use the specified
                                 address.
 
         trickle-diode-type      Diode type for trickle charge - "standard" or
-                                "schottky" (ABx80x only)
+                                "schottky" (ABx80x and RV1805 only)
 
         trickle-resistor-ohms   Resistor value for trickle charge (DS1339,
-                                ABx80x, RV3028)
+                                ABx80x, RV1805, RV3028)
 
         wakeup-source           Specify that the RTC can be used as a wakeup
                                 source
@@ -2114,6 +2148,14 @@ Params: int_pin                 GPIO used for IRQ (default 24)
         xtal                    On-board crystal frequency (default 14745600)
 
 
+Name:   sc16is752-spi0
+Info:   Overlay for the NXP SC16IS752 Dual UART with SPI Interface
+        Enables the chip on SPI0.
+Load:   dtoverlay=sc16is752-spi0,<param>=<val>
+Params: int_pin                 GPIO used for IRQ (default 24)
+        xtal                    On-board crystal frequency (default 14745600)
+
+
 Name:   sc16is752-spi1
 Info:   Overlay for the NXP SC16IS752 Dual UART with SPI Interface
         Enables the chip on SPI1.

diff --git a/boot/overlays/i2c-rtc-gpio.dtbo b/boot/overlays/i2c-rtc-gpio.dtbo
diff --git a/boot/overlays/i2c-rtc.dtbo b/boot/overlays/i2c-rtc.dtbo
diff --git a/boot/overlays/sc16is752-spi0.dtbo b/boot/overlays/sc16is752-spi0.dtbo