diff mbox series

[v2,1/3] dt-bindings: misc: esm: Add ESM support for TI K3 devices

Message ID 20230419092559.673869-2-n-francis@ti.com
State Superseded
Headers show
Series [v2,1/3] dt-bindings: misc: esm: Add ESM support for TI K3 devices | expand

Commit Message

Neha Malcom Francis April 19, 2023, 9:25 a.m. UTC
Document the binding for TI K3 ESM (Error Signaling Module) block.

Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
---
 .../bindings/hwmon/ti,j721e-esm.yaml          | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml

Comments

Rob Herring (Arm) April 21, 2023, 7:06 p.m. UTC | #1
On Wed, Apr 19, 2023 at 02:55:57PM +0530, Neha Malcom Francis wrote:
> Document the binding for TI K3 ESM (Error Signaling Module) block.
> 
> Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
> ---
>  .../bindings/hwmon/ti,j721e-esm.yaml          | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml b/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml
> new file mode 100644
> index 000000000000..7b23ac7cb3ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2022 Texas Instruments Incorporated
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/ti,j721e-esm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments K3 ESM
> +
> +maintainers:
> +  - Neha Malcom Francis <n-francis@ti.com>
> +
> +description:
> +  The ESM (Error Signaling Module) is an IP block on TI K3 devices
> +  that allows handling of safety events somewhat similar to what interrupt
> +  controller would do. The safety signals have their separate paths within
> +  the SoC, and they are handled by the ESM, which routes them to the proper
> +  destination, which can be system reset, interrupt controller, etc. In the
> +  simplest configuration the signals are just routed to reset the SoC.
> +
> +properties:
> +  compatible:
> +    const: ti,j721e-esm
> +
> +  reg:
> +    items:
> +      - description: the ESM register set

That's kind of obvious... Just 'maxItems: 1' is sufficient here.

> +
> +  ti,esm-pins:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    description:
> +      integer array of ESM interrupt pins to route to external event pin
> +      which can be used to reset the SoC.
> +    minItems: 1
> +    maxItems: 255
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - ti,esm-pins
> +
> +examples:
> +  - |
> +    cbass_main {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +
> +        esm@700000 {
> +            compatible = "ti,j721e-esm";
> +            reg = <0x0 0x700000 0x0 0x1000>;
> +            ti,esm-pins = <344>, <345>;
> +        };
> +    };
> -- 
> 2.34.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml b/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml
new file mode 100644
index 000000000000..7b23ac7cb3ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml
@@ -0,0 +1,55 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2022 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/ti,j721e-esm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments K3 ESM
+
+maintainers:
+  - Neha Malcom Francis <n-francis@ti.com>
+
+description:
+  The ESM (Error Signaling Module) is an IP block on TI K3 devices
+  that allows handling of safety events somewhat similar to what interrupt
+  controller would do. The safety signals have their separate paths within
+  the SoC, and they are handled by the ESM, which routes them to the proper
+  destination, which can be system reset, interrupt controller, etc. In the
+  simplest configuration the signals are just routed to reset the SoC.
+
+properties:
+  compatible:
+    const: ti,j721e-esm
+
+  reg:
+    items:
+      - description: the ESM register set
+
+  ti,esm-pins:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description:
+      integer array of ESM interrupt pins to route to external event pin
+      which can be used to reset the SoC.
+    minItems: 1
+    maxItems: 255
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - ti,esm-pins
+
+examples:
+  - |
+    cbass_main {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+        esm@700000 {
+            compatible = "ti,j721e-esm";
+            reg = <0x0 0x700000 0x0 0x1000>;
+            ti,esm-pins = <344>, <345>;
+        };
+    };