linux-kernel - [PATCH V1 1/4] dt-bindings: sram: qcom,imem: Add Boot Stat region within IMEM

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Date:   Tue, 21 Mar 2023 19:21:48 +0530
From:   Souradeep Chowdhury <quic_schowdhu@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, Sibi Sankar <quic_sibis@...cinc.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Souradeep Chowdhury <quic_schowdhu@...cinc.com>
Subject: [PATCH V1 1/4] dt-bindings: sram: qcom,imem: Add Boot Stat region within IMEM

All Qualcomm bootloaders log useful timestamp information related
to bootloader stats in the IMEM region. Add the child node within
IMEM for the boot stat region containing register address and
compatible string.

Signed-off-by: Souradeep Chowdhury <quic_schowdhu@...cinc.com>
---
 .../devicetree/bindings/sram/qcom,imem.yaml          | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
index 665c06e..c8c3890 100644
--- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml
+++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
@@ -48,6 +48,26 @@ patternProperties:
     $ref: /schemas/remoteproc/qcom,pil-info.yaml#
     description: Peripheral image loader relocation region
 
+  "^boot-stat@[0-9a-f]+$":
+    type: object
+    description:
+      node for boot stat.
+
+    properties:
+      compatible:
+        items:
+          - const: qcom,imem-boot_stats
+
+      reg:
+        maxItems: 1
+        description:
+          The base address of the register region in case of
+          imem boot stats.
+
+    required:
+      - compatible
+      - reg
+
 required:
   - compatible
   - reg
-- 
2.7.4