Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted

Pull I3C updates from Alexandre Belloni:
 "A new driver this cycle, for the AMD AXI I3C controller.

  There are also new features such as IBI wakeup support, SETAASA device
  discovery and ACPI support for the the DAA methods, meaning we can now
  communicate with the SPD devices on DDR5 modules.

  New driver:
   - AMD AXI I3C master controller

  Subsystem:
   - I3C Common Command Code (CCC) handling improvements, especially
     around GET CCCs
   - SETAASA device discovery support
   - ACPI support for all existing DAA methods like SETDASA, SETNEWDA as
     well as I2C devices on I3C bus
   - IBI-based wakeup support

  Drivers:
   - dw: SETAASA support
   - mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C
     controller support, PIO queue management support for HCI v1.2
   - renesas: improve suspend to RAM support, add runtime PM support"

* tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits)
  i3c: dw: reduce do_daa time if there's no client
  i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller
  i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2
  i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode
  i3c: dw: rename "pclk" to "apb" to match dt-binding
  i3c: dw: make struct dw_i3c_cmd smaller
  i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding
  i3c: renesas: Don't register devices when ENTDAA times out
  i3c: master: dw-i3c-master: fix OD timing for first broadcast
  i3c: mipi-i3c-hci: Advertise IBI wakeup capability
  i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev()
  i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI
  i3c: master: Reject IBI requests from non-IBI-capable devices
  i3c: master: Add helper to query bus wakeup requirements
  i3c: master: Report wakeup events for IBIs
  i3c: master: Support IBI-based wakeup capability
  i3c: master: Fix potential UAF in i3c_device_match()
  i3c: master: Fix potential UAF in i3c_device_uevent()
  i3c: Make dev->desc locking assumptions explicit
  i3c: master: Fix use-after-free of master->this
  ...

1 files changed, 272 insertions, 0 deletions

diff --git a/Documentation/input/devices/amijoy.rst b/Documentation/input/devices/amijoy.rst
new file mode 100644
index 000000000..a81e9de48
--- /dev/null
+++ b/Documentation/input/devices/amijoy.rst
@@ -0,0 +1,272 @@
+===============
+Amiga joysticks
+===============
+
+Pinouts
+=======
+
+Amiga 4-joystick parallel port extension
+----------------------------------------
+
+Parallel port pins:
+
+=====  ======== ====   ==========
+Pin    Meaning  Pin    Meaning
+=====  ======== ====   ==========
+ 2     Up1	 6     Up2
+ 3     Down1	 7     Down2
+ 4     Left1	 8     Left2
+ 5     Right1	 9     Right2
+13     Fire1	11     Fire2
+19     Gnd1	18     Gnd2
+=====  ======== ====   ==========
+
+Amiga digital joystick
+----------------------
+
+=== ============
+Pin Meaning
+=== ============
+1   Up
+2   Down
+3   Left
+4   Right
+5   n/c
+6   Fire button
+7   +5V (50mA)
+8   Gnd
+9   Thumb button
+=== ============
+
+Amiga mouse
+-----------
+
+=== ============
+Pin Meaning
+=== ============
+1   V-pulse
+2   H-pulse
+3   VQ-pulse
+4   HQ-pulse
+5   Middle button
+6   Left button
+7   +5V (50mA)
+8   Gnd
+9   Right button
+=== ============
+
+Amiga analog joystick
+---------------------
+
+=== ==============
+Pin Meaning
+=== ==============
+1   Top button
+2   Top2 button
+3   Trigger button
+4   Thumb button
+5   Analog X
+6   n/c
+7   +5V (50mA)
+8   Gnd
+9   Analog Y
+=== ==============
+
+Amiga lightpen
+--------------
+
+=== =============
+Pin Meaning
+=== =============
+1   n/c
+2   n/c
+3   n/c
+4   n/c
+5   Touch button
+6   /Beamtrigger
+7   +5V (50mA)
+8   Gnd
+9   Stylus button
+=== =============
+
+Register addresses
+==================
+
+JOY0DAT/JOY1DAT
+---------------
+
+======== === ==== ==== ====== ===========================================
+NAME     rev ADDR type chip   Description
+======== === ==== ==== ====== ===========================================
+JOY0DAT      00A   R   Denise Joystick-mouse 0 data (left vert., horiz.)
+JOY1DAT      00C   R   Denise Joystick-mouse 1 data (right vert., horiz.)
+======== === ==== ==== ====== ===========================================
+
+        These addresses each read a 16 bit register. These in turn
+        are loaded from the MDAT serial stream and are clocked in on
+        the rising edge of SCLK. MLD output is used to parallel load
+        the external parallel-to-serial converter. This in turn is
+        loaded with the 4 quadrature inputs from each of two game
+        controller ports (8 total) plus 8 miscellaneous control bits
+        which are new for LISA and can be read in upper 8 bits of
+        LISAID.
+
+        Register bits are as follows:
+
+        - Mouse counter usage (pins 1,3 =Yclock, pins 2,4 =Xclock)
+
+======== === === === === === === === === ====== === === === === === === ===
+    BIT#  15  14  13  12  11  10  09  08     07  06  05  04  03  02  01  00
+======== === === === === === === === === ====== === === === === === === ===
+JOY0DAT   Y7  Y6  Y5  Y4  Y3  Y2  Y1  Y0     X7  X6  X5  X4  X3  X2  X1  X0
+JOY1DAT   Y7  Y6  Y5  Y4  Y3  Y2  Y1  Y0     X7  X6  X5  X4  X3  X2  X1  X0
+======== === === === === === === === === ====== === === === === === === ===
+
+        0=LEFT CONTROLLER PAIR, 1=RIGHT CONTROLLER PAIR.
+        (4 counters total). The bit usage for both left and right
+        addresses is shown below. Each 6 bit counter (Y7-Y2,X7-X2) is
+        clocked by 2 of the signals input from the mouse serial
+        stream. Starting with first bit received:
+
+         +--------+----------+-----------------------------------------+
+         | Serial | Bit Name | Description                             |
+         +========+==========+=========================================+
+         |   0    | M0H      | JOY0DAT Horizontal Clock                |
+         +--------+----------+-----------------------------------------+
+         |   1    | M0HQ     | JOY0DAT Horizontal Clock (quadrature)   |
+         +--------+----------+-----------------------------------------+
+         |   2    | M0V      | JOY0DAT Vertical Clock                  |
+         +--------+----------+-----------------------------------------+
+         |   3    | M0VQ     | JOY0DAT Vertical Clock  (quadrature)    |
+         +--------+----------+-----------------------------------------+
+         |   4    | M1V      | JOY1DAT Horizontal Clock                |
+         +--------+----------+-----------------------------------------+
+         |   5    | M1VQ     | JOY1DAT Horizontal Clock (quadrature)   |
+         +--------+----------+-----------------------------------------+
+         |   6    | M1V      | JOY1DAT Vertical Clock                  |
+         +--------+----------+-----------------------------------------+
+         |   7    | M1VQ     | JOY1DAT Vertical Clock (quadrature)     |
+         +--------+----------+-----------------------------------------+
+
+         Bits 1 and 0 of each counter (Y1-Y0,X1-X0) may be
+         read to determine the state of the related input signal pair.
+         This allows these pins to double as joystick switch inputs.
+         Joystick switch closures can be deciphered as follows:
+
+         +------------+------+---------------------------------+
+         | Directions | Pin# | Counter bits                    |
+         +============+======+=================================+
+         | Forward    |  1   | Y1 xor Y0 (BIT#09 xor BIT#08)   |
+         +------------+------+---------------------------------+
+         | Left       |  3   | Y1                              |
+         +------------+------+---------------------------------+
+         | Back       |  2   | X1 xor X0 (BIT#01 xor BIT#00)   |
+         +------------+------+---------------------------------+
+         | Right      |  4   | X1                              |
+         +------------+------+---------------------------------+
+
+JOYTEST
+-------
+
+========  === ==== ==== ====== =================================================
+NAME      rev ADDR type chip    Description
+========  === ==== ==== ====== =================================================
+JOYTEST       036   W   Denise  Write to all 4  joystick-mouse counters at once.
+========  === ==== ==== ====== =================================================
+
+                  Mouse counter write test data:
+
+========= === === === === === === === === ====== === === === === === === ===
+     BIT#  15  14  13  12  11  10  09  08     07  06  05  04  03  02  01  00
+========= === === === === === === === === ====== === === === === === === ===
+  JOYxDAT  Y7  Y6  Y5  Y4  Y3  Y2  xx  xx     X7  X6  X5  X4  X3  X2  xx  xx
+  JOYxDAT  Y7  Y6  Y5  Y4  Y3  Y2  xx  xx     X7  X6  X5  X4  X3  X2  xx  xx
+========= === === === === === === === === ====== === === === === === === ===
+
+POT0DAT/POT1DAT
+---------------
+
+======= === ==== ==== ====== ===========================================
+NAME    rev ADDR type chip   Description
+======= === ==== ==== ====== ===========================================
+POT0DAT  h  012   R   Paula  Pot counter data left pair (vert., horiz.)
+POT1DAT  h  014   R   Paula  Pot counter data right pair (vert., horiz.)
+======= === ==== ==== ====== ===========================================
+
+        These addresses each read a pair of 8 bit pot counters.
+        (4 counters total). The bit assignment for both
+        addresses is shown below. The counters are stopped by signals
+        from 2 controller connectors (left-right) with 2 pins each.
+
+====== === === === === === === === === ====== === === === === === === ===
+  BIT#  15  14  13  12  11  10  09  08     07  06  05  04  03  02  01  00
+====== === === === === === === === === ====== === === === === === === ===
+ RIGHT  Y7  Y6  Y5  Y4  Y3  Y2  Y1  Y0     X7  X6  X5  X4  X3  X2  X1  X0
+  LEFT  Y7  Y6  Y5  Y4  Y3  Y2  Y1  Y0     X7  X6  X5  X4  X3  X2  X1  X0
+====== === === === === === === === === ====== === === === === === === ===
+
+         +--------------------------+-------+
+         | CONNECTORS               | PAULA |
+         +-------+------+-----+-----+-------+
+         | Loc.  | Dir. | Sym | pin | pin   |
+         +=======+======+=====+=====+=======+
+         | RIGHT | Y    | RX  | 9   | 33    |
+         +-------+------+-----+-----+-------+
+         | RIGHT | X    | RX  | 5   | 32    |
+         +-------+------+-----+-----+-------+
+         | LEFT  | Y    | LY  | 9   | 36    |
+         +-------+------+-----+-----+-------+
+         | LEFT  | X    | LX  | 5   | 35    |
+         +-------+------+-----+-----+-------+
+
+         With normal (NTSC or PAL) horiz. line rate, the pots will
+         give a full scale (FF) reading with about 500k ohm in one
+         frame time. With proportionally faster horiz. line times,
+         the counters will count proportionally faster.
+         This should be noted when doing variable beam displays.
+
+POTGO
+-----
+
+====== === ==== ==== ====== ================================================
+NAME   rev ADDR type chip   Description
+====== === ==== ==== ====== ================================================
+POTGO      034   W   Paula  Pot port (4 bit) bi-direction and data, and pot
+			    counter start.
+====== === ==== ==== ====== ================================================
+
+POTINP
+------
+
+====== === ==== ==== ====== ================================================
+NAME   rev ADDR type chip   Description
+====== === ==== ==== ====== ================================================
+POTINP     016   R   Paula  Pot pin data read
+====== === ==== ==== ====== ================================================
+
+        This register controls a 4 bit bi-direction I/O port
+        that shares the same 4 pins as the 4 pot counters above.
+
+         +-------+----------+----------------------------------------------+
+         | BIT#  | FUNCTION | DESCRIPTION                                  |
+         +=======+==========+==============================================+
+         | 15    | OUTRY    | Output enable for Paula pin 33               |
+         +-------+----------+----------------------------------------------+
+         | 14    | DATRY    | I/O data Paula pin 33                        |
+         +-------+----------+----------------------------------------------+
+         | 13    | OUTRX    | Output enable for Paula pin 32               |
+         +-------+----------+----------------------------------------------+
+         | 12    | DATRX    | I/O data Paula pin 32                        |
+         +-------+----------+----------------------------------------------+
+         | 11    | OUTLY    | Out put enable for Paula pin 36              |
+         +-------+----------+----------------------------------------------+
+         | 10    | DATLY    | I/O data Paula pin 36                        |
+         +-------+----------+----------------------------------------------+
+         | 09    | OUTLX    | Output enable for Paula pin 35               |
+         +-------+----------+----------------------------------------------+
+         | 08    | DATLX    | I/O data  Paula pin 35                       |
+         +-------+----------+----------------------------------------------+
+         | 07-01 |   X      | Not used                                     |
+         +-------+----------+----------------------------------------------+
+         | 00    | START    | Start pots (dump capacitors, start counters) |
+         +-------+----------+----------------------------------------------+