linux-kernel - [Patch v4 01/10] dt-bindings: memory: tegra: add bpmp ref in tegra234-mc node

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Date:   Mon, 27 Mar 2023 21:44:17 +0530
From:   Sumit Gupta <sumitg@...dia.com>
To:     <treding@...dia.com>, <krzysztof.kozlowski@...aro.org>,
        <dmitry.osipenko@...labora.com>, <viresh.kumar@...aro.org>,
        <rafael@...nel.org>, <jonathanh@...dia.com>, <robh+dt@...nel.org>,
        <lpieralisi@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <mmaddireddy@...dia.com>,
        <kw@...ux.com>, <bhelgaas@...gle.com>, <vidyas@...dia.com>,
        <sanjayc@...dia.com>, <ksitaraman@...dia.com>, <ishah@...dia.com>,
        <bbasu@...dia.com>, <sumitg@...dia.com>
Subject: [Patch v4 01/10] dt-bindings: memory: tegra: add bpmp ref in tegra234-mc node

For Tegra234, add the "nvidia,bpmp" property within the Memory
Controller (MC) node to reference BPMP node. This is needed in
the MC driver to pass the client info to the BPMP-FW when memory
interconnect support is available.

Signed-off-by: Sumit Gupta <sumitg@...dia.com>
---
 .../bindings/memory-controllers/nvidia,tegra186-mc.yaml    | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
index 935d63d181d9..398d27bb2373 100644
--- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml
@@ -58,6 +58,10 @@ properties:
   "#interconnect-cells":
     const: 1
 
+  nvidia,bpmp:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle of the node representing the BPMP
+
 patternProperties:
   "^external-memory-controller@[0-9a-f]+$":
     description:
@@ -220,6 +224,9 @@ allOf:
             - const: ch14
             - const: ch15
 
+        nvidia,bpmp:
+          description: phandle of the node representing the BPMP
+
 additionalProperties: false
 
 required:
-- 
2.17.1