Merge tag 'for-linus-5.14-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI driver updates from Corey Minyard:
 "Mostly a restructure of the kcs_bmc driver to make it easier to use
  with different types of devices, and just to clean things up and
  improve things.

  Also some bug fixes for the kcs_bmc driver.

  One fix to the IPMI watchdog to stop the timer when the action is
  none. Not a big deal, but it's the right thing to do"

* tag 'for-linus-5.14-1' of git://github.com/cminyard/linux-ipmi:
  ipmi: kcs_bmc_aspeed: Fix less than zero comparison of a unsigned int
  ipmi: kcs_bmc_aspeed: Optionally apply status address
  ipmi: kcs_bmc_aspeed: Fix IBFIE typo from datasheet
  ipmi: kcs_bmc_aspeed: Implement KCS SerIRQ configuration
  dt-bindings: ipmi: Add optional SerIRQ property to ASPEED KCS devices
  dt-bindings: ipmi: Convert ASPEED KCS binding to schema
  ipmi: kcs_bmc: Add serio adaptor
  ipmi: kcs_bmc: Enable IBF on open
  ipmi: kcs_bmc: Allow clients to control KCS IRQ state
  ipmi: kcs_bmc: Decouple the IPMI chardev from the core
  ipmi: kcs_bmc: Strip private client data from struct kcs_bmc
  ipmi: kcs_bmc: Split headers into device and client
  ipmi: kcs_bmc: Turn the driver data-structures inside-out
  ipmi: kcs_bmc: Split out kcs_bmc_cdev_ipmi
  ipmi: kcs_bmc: Rename {read,write}_{status,data}() functions
  ipmi: kcs_bmc: Make status update atomic
  ipmi: kcs_bmc_aspeed: Use of match data to extract KCS properties
  ipmi/watchdog: Stop watchdog timer when the current action is 'none'

2 files changed, 106 insertions, 33 deletions

diff --git a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml
new file mode 100644
index 000000000000..4ff6fabfcb30
--- /dev/null
+++ b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml
@@ -0,0 +1,106 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ipmi/aspeed,ast2400-kcs-bmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED BMC KCS Devices
+
+maintainers:
+  - Andrew Jeffery <andrew@aj.id.au>
+
+description: |
+  The Aspeed BMC SoCs typically use the Keyboard-Controller-Style (KCS)
+  interfaces on the LPC bus for in-band IPMI communication with their host.
+
+properties:
+  compatible:
+    oneOf:
+      - description: Channel ID derived from reg
+        items:
+          enum:
+            - aspeed,ast2400-kcs-bmc-v2
+            - aspeed,ast2500-kcs-bmc-v2
+            - aspeed,ast2600-kcs-bmc
+
+      - description: Old-style with explicit channel ID, no reg
+        deprecated: true
+        items:
+          enum:
+            - aspeed,ast2400-kcs-bmc
+            - aspeed,ast2500-kcs-bmc
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    # maxItems: 3
+    items:
+      - description: IDR register
+      - description: ODR register
+      - description: STR register
+
+  aspeed,lpc-io-reg:
+    $ref: '/schemas/types.yaml#/definitions/uint32-array'
+    minItems: 1
+    maxItems: 2
+    description: |
+      The host CPU LPC IO data and status addresses for the device. For most
+      channels the status address is derived from the data address, but the
+      status address may be optionally provided.
+
+  aspeed,lpc-interrupts:
+    $ref: "/schemas/types.yaml#/definitions/uint32-array"
+    minItems: 2
+    maxItems: 2
+    description: |
+      A 2-cell property expressing the LPC SerIRQ number and the interrupt
+      level/sense encoding (specified in the standard fashion).
+
+      Note that the generated interrupt is issued from the BMC to the host, and
+      thus the target interrupt controller is not captured by the BMC's
+      devicetree.
+
+  kcs_chan:
+    deprecated: true
+    $ref: '/schemas/types.yaml#/definitions/uint32'
+    description: The LPC channel number in the controller
+
+  kcs_addr:
+    deprecated: true
+    $ref: '/schemas/types.yaml#/definitions/uint32'
+    description: The host CPU IO map address
+
+required:
+  - compatible
+  - interrupts
+
+additionalProperties: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - aspeed,ast2400-kcs-bmc
+              - aspeed,ast2500-kcs-bmc
+    then:
+      required:
+        - kcs_chan
+        - kcs_addr
+    else:
+      required:
+        - reg
+        - aspeed,lpc-io-reg
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    kcs3: kcs@24 {
+        compatible = "aspeed,ast2600-kcs-bmc";
+        reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>;
+        aspeed,lpc-io-reg = <0xca2>;
+        aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+        interrupts = <8>;
+    };
diff --git a/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt b/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt
deleted file mode 100644
index 193e71ca96b0..000000000000
--- a/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-# Aspeed KCS (Keyboard Controller Style) IPMI interface
-
-The Aspeed SOCs (AST2400 and AST2500) are commonly used as BMCs
-(Baseboard Management Controllers) and the KCS interface can be
-used to perform in-band IPMI communication with their host.
-
-## v1
-Required properties:
-- compatible : should be one of
-    "aspeed,ast2400-kcs-bmc"
-    "aspeed,ast2500-kcs-bmc"
-- interrupts : interrupt generated by the controller
-- kcs_chan : The LPC channel number in the controller
-- kcs_addr : The host CPU IO map address
-
-## v2
-Required properties:
-- compatible : should be one of
-    "aspeed,ast2400-kcs-bmc-v2"
-    "aspeed,ast2500-kcs-bmc-v2"
-- reg : The address and size of the IDR, ODR and STR registers
-- interrupts : interrupt generated by the controller
-- aspeed,lpc-io-reg : The host CPU LPC IO address for the device
-
-Example:
-
-    kcs3: kcs@24 {
-        compatible = "aspeed,ast2500-kcs-bmc-v2";
-        reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>;
-        aspeed,lpc-reg = <0xca2>;
-        interrupts = <8>;
-        status = "okay";
-    };