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From:   MD Danish Anwar <danishanwar@ti.com>
To:     Suman Anna <s-anna@ti.com>, Conor Dooley <conor+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>
CC:     <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-remoteproc@vger.kernel.org>, <linux-omap@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>, <vigneshr@ti.com>,
        <srk@ti.com>, <nm@ti.com>
Subject: [PATCH] dt-bindings: remoteproc: pru: Add Interrupt property 
Date:   Mon, 7 Aug 2023 16:38:36 +0530
Message-ID: <20230807110836.2612730-1-danishanwar@ti.com>
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Add interrupts and interrupt-names protperties for PRU and RTU cores.

Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
---
 .../bindings/remoteproc/ti,pru-rproc.yaml     | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
index cd55d80137f7..6970316943bb 100644
--- a/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
@@ -66,6 +66,16 @@ properties:
       Should contain the name of the default firmware image
       file located on the firmware search path.
 
+  interrupts:
+    maxItems: 1
+    description:
+      Interrupt specifiers enable the virtio/rpmsg communication between MPU
+      and the PRU/RTU cores.
+
+  interrupt-names:
+    items:
+      - const: vring
+
 if:
   properties:
     compatible:
@@ -171,6 +181,9 @@ examples:
               <0x22400 0x100>;
         reg-names = "iram", "control", "debug";
         firmware-name = "am65x-pru0_0-fw";
+        interrupt-parent = <&icssg0_intc>;
+        interrupts = <16 2 2>;
+        interrupt-names = "vring";
       };
 
       rtu0_0: rtu@4000 {
@@ -180,6 +193,9 @@ examples:
               <0x23400 0x100>;
         reg-names = "iram", "control", "debug";
         firmware-name = "am65x-rtu0_0-fw";
+        interrupt-parent = <&icssg0_intc>;
+        interrupts = <20 4 4>;
+        interrupt-names = "vring";
       };
 
       tx_pru0_0: txpru@a000 {
@@ -198,6 +214,9 @@ examples:
               <0x24400 0x100>;
         reg-names = "iram", "control", "debug";
         firmware-name = "am65x-pru0_1-fw";
+        interrupt-parent = <&icssg0_intc>;
+        interrupts = <18 3 3>;
+        interrupt-names = "vring";
       };
 
       rtu0_1: rtu@6000 {
@@ -207,6 +226,9 @@ examples:
               <0x23c00 0x100>;
         reg-names = "iram", "control", "debug";
         firmware-name = "am65x-rtu0_1-fw";
+        interrupt-parent = <&icssg0_intc>;
+        interrupts = <22 5 5>;
+        interrupt-names = "vring";
       };
 
       tx_pru0_1: txpru@c000 {
-- 
2.34.1