dpll: spec: Add Netlink spec in YAML

Add a protocol spec for DPLL.
Add code generated from the spec.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Michal Michalik <michal.michalik@intel.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 488 insertions, 0 deletions

diff --git a/Documentation/netlink/specs/dpll.yaml b/Documentation/netlink/specs/dpll.yaml
new file mode 100644
index 00000000000000..8b86b28b47a674
--- /dev/null
+++ b/Documentation/netlink/specs/dpll.yaml
@@ -0,0 +1,488 @@
+# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+
+name: dpll
+
+doc: DPLL subsystem.
+
+definitions:
+  -
+    type: enum
+    name: mode
+    doc: |
+      working modes a dpll can support, differentiates if and how dpll selects
+      one of its inputs to syntonize with it, valid values for DPLL_A_MODE
+      attribute
+    entries:
+      -
+        name: manual
+        doc: input can be only selected by sending a request to dpll
+        value: 1
+      -
+        name: automatic
+        doc: highest prio input pin auto selected by dpll
+    render-max: true
+  -
+    type: enum
+    name: lock-status
+    doc: |
+      provides information of dpll device lock status, valid values for
+      DPLL_A_LOCK_STATUS attribute
+    entries:
+      -
+        name: unlocked
+        doc: |
+          dpll was not yet locked to any valid input (or forced by setting
+          DPLL_A_MODE to DPLL_MODE_DETACHED)
+        value: 1
+      -
+        name: locked
+        doc: |
+          dpll is locked to a valid signal, but no holdover available
+      -
+        name: locked-ho-acq
+        doc: |
+          dpll is locked and holdover acquired
+      -
+        name: holdover
+        doc: |
+          dpll is in holdover state - lost a valid lock or was forced
+          by disconnecting all the pins (latter possible only
+          when dpll lock-state was already DPLL_LOCK_STATUS_LOCKED_HO_ACQ,
+          if dpll lock-state was not DPLL_LOCK_STATUS_LOCKED_HO_ACQ, the
+          dpll's lock-state shall remain DPLL_LOCK_STATUS_UNLOCKED)
+    render-max: true
+  -
+    type: const
+    name: temp-divider
+    value: 1000
+    doc: |
+      temperature divider allowing userspace to calculate the
+      temperature as float with three digit decimal precision.
+      Value of (DPLL_A_TEMP / DPLL_TEMP_DIVIDER) is integer part of
+      temperature value.
+      Value of (DPLL_A_TEMP % DPLL_TEMP_DIVIDER) is fractional part of
+      temperature value.
+  -
+    type: enum
+    name: type
+    doc: type of dpll, valid values for DPLL_A_TYPE attribute
+    entries:
+      -
+        name: pps
+        doc: dpll produces Pulse-Per-Second signal
+        value: 1
+      -
+        name: eec
+        doc: dpll drives the Ethernet Equipment Clock
+    render-max: true
+  -
+    type: enum
+    name: pin-type
+    doc: |
+      defines possible types of a pin, valid values for DPLL_A_PIN_TYPE
+      attribute
+    entries:
+      -
+        name: mux
+        doc: aggregates another layer of selectable pins
+        value: 1
+      -
+        name: ext
+        doc: external input
+      -
+        name: synce-eth-port
+        doc: ethernet port PHY's recovered clock
+      -
+        name: int-oscillator
+        doc: device internal oscillator
+      -
+        name: gnss
+        doc: GNSS recovered clock
+    render-max: true
+  -
+    type: enum
+    name: pin-direction
+    doc: |
+      defines possible direction of a pin, valid values for
+      DPLL_A_PIN_DIRECTION attribute
+    entries:
+      -
+        name: input
+        doc: pin used as a input of a signal
+        value: 1
+      -
+        name: output
+        doc: pin used to output the signal
+    render-max: true
+  -
+    type: const
+    name: pin-frequency-1-hz
+    value: 1
+  -
+    type: const
+    name: pin-frequency-10-khz
+    value: 10000
+  -
+    type: const
+    name: pin-frequency-77_5-khz
+    value: 77500
+  -
+    type: const
+    name: pin-frequency-10-mhz
+    value: 10000000
+  -
+    type: enum
+    name: pin-state
+    doc: |
+      defines possible states of a pin, valid values for
+      DPLL_A_PIN_STATE attribute
+    entries:
+      -
+        name: connected
+        doc: pin connected, active input of phase locked loop
+        value: 1
+      -
+        name: disconnected
+        doc: pin disconnected, not considered as a valid input
+      -
+        name: selectable
+        doc: pin enabled for automatic input selection
+    render-max: true
+  -
+    type: flags
+    name: pin-capabilities
+    doc: |
+      defines possible capabilities of a pin, valid flags on
+      DPLL_A_PIN_CAPABILITIES attribute
+    entries:
+      -
+        name: direction-can-change
+        doc: pin direction can be changed
+      -
+        name: priority-can-change
+        doc: pin priority can be changed
+      -
+        name: state-can-change
+        doc: pin state can be changed
+
+attribute-sets:
+  -
+    name: dpll
+    enum-name: dpll_a
+    attributes:
+      -
+        name: id
+        type: u32
+      -
+        name: module-name
+        type: string
+      -
+        name: pad
+        type: pad
+      -
+        name: clock-id
+        type: u64
+      -
+        name: mode
+        type: u32
+        enum: mode
+      -
+        name: mode-supported
+        type: u32
+        enum: mode
+        multi-attr: true
+      -
+        name: lock-status
+        type: u32
+        enum: lock-status
+      -
+        name: temp
+        type: s32
+      -
+        name: type
+        type: u32
+        enum: type
+  -
+    name: pin
+    enum-name: dpll_a_pin
+    attributes:
+      -
+        name: id
+        type: u32
+      -
+        name: parent-id
+        type: u32
+      -
+        name: module-name
+        type: string
+      -
+        name: pad
+        type: pad
+      -
+        name: clock-id
+        type: u64
+      -
+        name: board-label
+        type: string
+      -
+        name: panel-label
+        type: string
+      -
+        name: package-label
+        type: string
+      -
+        name: type
+        type: u32
+        enum: pin-type
+      -
+        name: direction
+        type: u32
+        enum: pin-direction
+      -
+        name: frequency
+        type: u64
+      -
+        name: frequency-supported
+        type: nest
+        multi-attr: true
+        nested-attributes: frequency-range
+      -
+        name: frequency-min
+        type: u64
+      -
+        name: frequency-max
+        type: u64
+      -
+        name: prio
+        type: u32
+      -
+        name: state
+        type: u32
+        enum: pin-state
+      -
+        name: capabilities
+        type: u32
+      -
+        name: parent-device
+        type: nest
+        multi-attr: true
+        nested-attributes: pin-parent-device
+      -
+        name: parent-pin
+        type: nest
+        multi-attr: true
+        nested-attributes: pin-parent-pin
+  -
+    name: pin-parent-device
+    subset-of: pin
+    attributes:
+      -
+        name: parent-id
+        type: u32
+      -
+        name: direction
+        type: u32
+      -
+        name: prio
+        type: u32
+      -
+        name: state
+        type: u32
+  -
+    name: pin-parent-pin
+    subset-of: pin
+    attributes:
+      -
+        name: parent-id
+        type: u32
+      -
+        name: state
+        type: u32
+  -
+    name: frequency-range
+    subset-of: pin
+    attributes:
+      -
+        name: frequency-min
+        type: u64
+      -
+        name: frequency-max
+        type: u64
+
+operations:
+  enum-name: dpll_cmd
+  list:
+    -
+      name: device-id-get
+      doc: |
+        Get id of dpll device that matches given attributes
+      attribute-set: dpll
+      flags: [ admin-perm ]
+
+      do:
+        pre: dpll-lock-doit
+        post: dpll-unlock-doit
+        request:
+          attributes:
+            - module-name
+            - clock-id
+            - type
+        reply:
+          attributes:
+            - id
+
+    -
+      name: device-get
+      doc: |
+        Get list of DPLL devices (dump) or attributes of a single dpll device
+      attribute-set: dpll
+      flags: [ admin-perm ]
+
+      do:
+        pre: dpll-pre-doit
+        post: dpll-post-doit
+        request:
+          attributes:
+            - id
+        reply: &dev-attrs
+          attributes:
+            - id
+            - module-name
+            - mode
+            - mode-supported
+            - lock-status
+            - temp
+            - clock-id
+            - type
+
+      dump:
+        pre: dpll-lock-dumpit
+        post: dpll-unlock-dumpit
+        reply: *dev-attrs
+
+    -
+      name: device-set
+      doc: Set attributes for a DPLL device
+      attribute-set: dpll
+      flags: [ admin-perm ]
+
+      do:
+        pre: dpll-pre-doit
+        post: dpll-post-doit
+        request:
+          attributes:
+            - id
+    -
+      name: device-create-ntf
+      doc: Notification about device appearing
+      notify: device-get
+      mcgrp: monitor
+    -
+      name: device-delete-ntf
+      doc: Notification about device disappearing
+      notify: device-get
+      mcgrp: monitor
+    -
+      name: device-change-ntf
+      doc: Notification about device configuration being changed
+      notify: device-get
+      mcgrp: monitor
+    -
+      name: pin-id-get
+      doc: |
+        Get id of a pin that matches given attributes
+      attribute-set: pin
+      flags: [ admin-perm ]
+
+      do:
+        pre: dpll-lock-doit
+        post: dpll-unlock-doit
+        request:
+          attributes:
+            - module-name
+            - clock-id
+            - board-label
+            - panel-label
+            - package-label
+            - type
+        reply:
+          attributes:
+            - id
+
+    -
+      name: pin-get
+      doc: |
+        Get list of pins and its attributes.
+        - dump request without any attributes given - list all the pins in the
+          system
+        - dump request with target dpll - list all the pins registered with
+          a given dpll device
+        - do request with target dpll and target pin - single pin attributes
+      attribute-set: pin
+      flags: [ admin-perm ]
+
+      do:
+        pre: dpll-pin-pre-doit
+        post: dpll-pin-post-doit
+        request:
+          attributes:
+            - id
+        reply: &pin-attrs
+          attributes:
+            - id
+            - board-label
+            - panel-label
+            - package-label
+            - type
+            - frequency
+            - frequency-supported
+            - capabilities
+            - parent-device
+            - parent-pin
+
+      dump:
+        pre: dpll-lock-dumpit
+        post: dpll-unlock-dumpit
+        request:
+          attributes:
+            - id
+        reply: *pin-attrs
+
+    -
+      name: pin-set
+      doc: Set attributes of a target pin
+      attribute-set: pin
+      flags: [ admin-perm ]
+
+      do:
+        pre: dpll-pin-pre-doit
+        post: dpll-pin-post-doit
+        request:
+          attributes:
+            - id
+            - frequency
+            - direction
+            - prio
+            - state
+            - parent-device
+            - parent-pin
+    -
+      name: pin-create-ntf
+      doc: Notification about pin appearing
+      notify: pin-get
+      mcgrp: monitor
+    -
+      name: pin-delete-ntf
+      doc: Notification about pin disappearing
+      notify: pin-get
+      mcgrp: monitor
+    -
+      name: pin-change-ntf
+      doc: Notification about pin configuration being changed
+      notify: pin-get
+      mcgrp: monitor
+
+mcast-groups:
+  list:
+    -
+      name: monitor