Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 217 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/arm/keystone/keystone.txt b/Documentation/devicetree/bindings/arm/keystone/keystone.txt
new file mode 100644
index 000000000..f310bad04
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/keystone/keystone.txt
@@ -0,0 +1,42 @@
+TI Keystone Platforms Device Tree Bindings
+-----------------------------------------------
+
+Boards with Keystone2 based devices (TCI66xxK2H) SOC shall have the
+following properties.
+
+Required properties:
+ - compatible: All TI specific devices present in Keystone SOC should be in
+   the form "ti,keystone-*". Generic devices like gic, arch_timers, ns16550
+   type UART should use the specified compatible for those devices.
+
+SoC families:
+
+- Keystone 2 generic SoC:
+   compatible = "ti,keystone"
+
+SoCs:
+
+- Keystone 2 Hawking/Kepler
+   compatible = "ti,k2hk", "ti,keystone"
+- Keystone 2 Lamarr
+   compatible = "ti,k2l", "ti,keystone"
+- Keystone 2 Edison
+   compatible = "ti,k2e", "ti,keystone"
+- K2G
+   compatible = "ti,k2g", "ti,keystone"
+
+Boards:
+-  Keystone 2 Hawking/Kepler EVM
+   compatible = "ti,k2hk-evm", "ti,k2hk", "ti,keystone"
+
+-  Keystone 2 Lamarr EVM
+   compatible = "ti,k2l-evm", "ti, k2l", "ti,keystone"
+
+-  Keystone 2 Edison EVM
+   compatible = "ti,k2e-evm", "ti,k2e", "ti,keystone"
+
+-  K2G EVM
+   compatible = "ti,k2g-evm", "ti,k2g", "ti-keystone"
+
+-  K2G Industrial Communication Engine EVM
+   compatible = "ti,k2g-ice", "ti,k2g", "ti-keystone"
diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,k3-sci-common.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,k3-sci-common.yaml
new file mode 100644
index 000000000..5cbcacaeb
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+++ b/Documentation/devicetree/bindings/arm/keystone/ti,k3-sci-common.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/keystone/ti,k3-sci-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common K3 TI-SCI bindings
+
+maintainers:
+  - Nishanth Menon <nm@ti.com>
+
+description: |
+  The TI K3 family of SoCs usually have a central System Controller Processor
+  that is responsible for managing various SoC-level resources like clocks,
+  resets, interrupts etc. The communication with that processor is performed
+  through the TI-SCI protocol.
+
+  Each specific device management node like a clock controller node, a reset
+  controller node or an interrupt-controller node should define a common set
+  of properties that enables them to implement the corresponding functionality
+  over the TI-SCI protocol. The following are some of the common properties
+  needed by such individual nodes. The required properties for each device
+  management node is defined in the respective binding.
+
+properties:
+  ti,sci:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Should be a phandle to the TI-SCI System Controller node
+
+  ti,sci-dev-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Should contain the TI-SCI device id corresponding to the device. Please
+      refer to the corresponding System Controller documentation for valid
+      values for the desired device.
+
+  ti,sci-proc-ids:
+    description: Should contain a single tuple of <proc_id host_id>.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    items:
+      - description: TI-SCI processor id for the remote processor device
+      - description: TI-SCI host id to which processor control ownership
+                     should be transferred to
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
new file mode 100644
index 000000000..34f5f877d
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/keystone/ti,sci.yaml
@@ -0,0 +1,129 @@
+# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/keystone/ti,sci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI-SCI controller device node bindings
+
+maintainers:
+  - Nishanth Menon <nm@ti.com>
+
+description: |
+  Texas Instrument's processors including those belonging to Keystone generation
+  of processors have separate hardware entity which is now responsible for the
+  management of the System on Chip (SoC) system. These include various system
+  level functions as well.
+
+  An example of such an SoC is K2G, which contains the system control hardware
+  block called Power Management Micro Controller (PMMC). This hardware block is
+  initialized early into boot process and provides services to Operating Systems
+  on multiple processors including ones running Linux.
+
+  See http://processors.wiki.ti.com/index.php/TISCI for protocol definition.
+
+  The TI-SCI node describes the Texas Instrument's System Controller entity node.
+  This parent node may optionally have additional children nodes which describe
+  specific functionality such as clocks, power domain, reset or additional
+  functionality as may be required for the SoC. This hierarchy also describes the
+  relationship between the TI-SCI parent node to the child node.
+
+properties:
+  $nodename:
+    pattern: "^system-controller@[0-9a-f]+$"
+
+  compatible:
+    oneOf:
+      - description: System controller on TI 66AK2G SoC and other K3 SoCs
+        items:
+          - const: ti,k2g-sci
+      - description: System controller on TI AM654 SoC
+        items:
+          - const: ti,am654-sci
+
+  reg-names:
+    description: |
+      Specifies the debug messages memory mapped region that is optionally
+      made available from TI-SCI controller.
+    const: debug_messages
+
+  reg:
+    minItems: 1
+
+  mbox-names:
+    description: |
+      Specifies the mailboxes used to communicate with TI-SCI Controller
+      made available from TI-SCI controller.
+    items:
+      - const: rx
+      - const: tx
+
+  mboxes:
+    minItems: 2
+
+  ti,system-reboot-controller:
+    description: Determines If system reboot can be triggered by SoC reboot
+    type: boolean
+
+  ti,host-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Value corresponding to the host ID assigned by Firmware
+      for identification of host processing entities such as virtual machines.
+
+  power-controller:
+    type: object
+    $ref: /schemas/soc/ti/sci-pm-domain.yaml#
+
+  clock-controller:
+    type: object
+    $ref: /schemas/clock/ti,sci-clk.yaml#
+
+  reset-controller:
+    type: object
+    $ref: /schemas/reset/ti,sci-reset.yaml#
+
+required:
+  - compatible
+  - mbox-names
+  - mboxes
+
+additionalProperties: false
+
+examples:
+  - |
+    pmmc: system-controller@2921800 {
+      compatible = "ti,k2g-sci";
+      ti,system-reboot-controller;
+      mbox-names = "rx", "tx";
+      mboxes= <&msgmgr 5 2>,
+              <&msgmgr 0 0>;
+      reg-names = "debug_messages";
+      reg = <0x02921800 0x800>;
+    };
+
+  - |
+    dmsc: system-controller@44083000 {
+      compatible = "ti,k2g-sci";
+      ti,host-id = <12>;
+      mbox-names = "rx", "tx";
+      mboxes= <&secure_proxy_main 11>,
+              <&secure_proxy_main 13>;
+      reg-names = "debug_messages";
+      reg = <0x44083000 0x1000>;
+
+      k3_pds: power-controller {
+        compatible = "ti,sci-pm-domain";
+        #power-domain-cells = <2>;
+      };
+
+      k3_clks: clock-controller {
+        compatible = "ti,k2g-sci-clk";
+        #clock-cells = <2>;
+      };
+
+      k3_reset: reset-controller {
+        compatible = "ti,sci-reset";
+        #reset-cells = <2>;
+      };
+    };