Thread (26 messages) 26 messages, 7 authors, 2025-03-07

Re: [PATCH net-next v3 01/10] dt-bindings: net: ti: Adds DUAL-EMAC mode support on PRU-ICSS2 for AM57xx SOCs

From: Parvathi Pudi <parvathi@couthit.com>
Date: 2025-02-21 12:32:52
Also in: linux-arm-kernel, linux-devicetree, lkml

Hi,
On Fri, Feb 14, 2025 at 11:16:53AM +0530, parvathi wrote:
quoted
From: Parvathi Pudi <parvathi@couthit.com>

Documentation update for the newly added "pruss2_eth" device tree
node and its dependencies along with compatibility for PRU-ICSS
Industrial Ethernet Peripheral (IEP), PRU-ICSS Enhanced Capture
(eCAP) peripheral and using YAML binding document for AM57xx SoCs.

Signed-off-by: Parvathi Pudi <parvathi@couthit.com>
Signed-off-by: Basharath Hussain Khaja <redacted>
The sender of the patch S-o-b goes last. And maybe you want a
Co-developed-by tag here too?
Yes, you are correct. We will address this in the next version.
quoted
---
 .../devicetree/bindings/net/ti,icss-iep.yaml  |   4 +-
 .../bindings/net/ti,icssm-prueth.yaml         | 147 ++++++++++++++++++
 .../bindings/net/ti,pruss-ecap.yaml           |  32 ++++
 .../devicetree/bindings/soc/ti/ti,pruss.yaml  |   9 ++
 4 files changed, 191 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
 create mode 100644 Documentation/devicetree/bindings/net/ti,pruss-ecap.yaml
diff --git a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
index e36e3a622904..858d74638167 100644
--- a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
+++ b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
@@ -8,6 +8,8 @@ title: Texas Instruments ICSS Industrial Ethernet Peripheral
(IEP) module
 
 maintainers:
   - Md Danish Anwar [off-list ref]
+  - Parvathi Pudi [off-list ref]
+  - Basharath Hussain Khaja [off-list ref]
 
 properties:
   compatible:
@@ -19,7 +21,7 @@ properties:
           - const: ti,am654-icss-iep
 
       - const: ti,am654-icss-iep
-
+      - const: ti,am5728-icss-iep
Use enum adding to the prior entry.
We will check whether we can use "enum" for 2 consts and address
this in the next version.
quoted
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
b/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
new file mode 100644
index 000000000000..1dffa6bd7a88
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
@@ -0,0 +1,147 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/ti,icssm-prueth.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments ICSSM PRUSS Ethernet
+
+maintainers:
+  - Roger Quadros <rogerq@ti.com>
+  - Andrew F. Davis <afd@ti.com>
+  - Parvathi Pudi <parvathi@couthit.com>
+  - Basharath Hussain Khaja <basharath@couthit.com>
+
+description:
+  Ethernet based on the Programmable Real-Time Unit and Industrial
+  Communication Subsystem.
+
+properties:
+  compatible:
+    enum:
+      - ti,am57-prueth     # for AM57x SoC family
+
+  sram:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to OCMC SRAM node
+
+  ti,mii-rt:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to MII_RT module's syscon regmap
+
+  ti,iep:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to IEP (Industrial Ethernet Peripheral) for ICSS
+
+  ti,ecap:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to Enhanced Capture (eCAP) event for ICSS
+
+  interrupts:
+    items:
+      - description: High priority Rx Interrupt specifier.
+      - description: Low priority Rx Interrupt specifier.
+
+  interrupt-names:
+    items:
+      - const: rx_hp
+      - const: rx_lp
+
+  ethernet-ports:
+    type: object
+    additionalProperties: false
+
+    properties:
+      '#address-cells':
+        const: 1
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      ^ethernet-port@[0-1]$:
+        type: object
+        description: ICSSM PRUETH external ports
+        $ref: ethernet-controller.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          reg:
+            items:
+              - enum: [0, 1]
+            description: ICSSM PRUETH port number
+
+          interrupts:
+            maxItems: 3
+
+          interrupt-names:
+            items:
+              - const: rx
+              - const: emac_ptp_tx
+              - const: hsr_ptp_tx
+
+        required:
+          - reg
+
+    anyOf:
+      - required:
+          - ethernet-port@0
+      - required:
+          - ethernet-port@1
+
+required:
+  - compatible
+  - sram
+  - ti,mii-rt
+  - ti,iep
+  - ti,ecap
+  - ethernet-ports
+  - interrupts
+  - interrupt-names
+
+allOf:
+  - $ref: /schemas/remoteproc/ti,pru-consumer.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    /* Dual-MAC Ethernet application node on PRU-ICSS2 */
+    pruss2_eth: pruss2-eth {
Drop unused labels.
We did verified and all the labels were appropriately used,
could you point us to the exact label you are referring to.


Thanks and Regards,
Parvathi.

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