linux-kernel - [PATCH v4 1/5] dt-bindings: remoteproc: Add Qualcomm PIL info binding

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Message-Id: <20200310063338.3344582-2-bjorn.andersson@linaro.org>
Date:   Mon,  9 Mar 2020 23:33:34 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>
Subject: [PATCH v4 1/5] dt-bindings: remoteproc: Add Qualcomm PIL info binding

Add a devicetree binding for the Qualcomm peripheral image loader
relocation information region found in the IMEM.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---

Change since v3:
- Fixed spelling mistakes pointed out by Mathieu
- Fixed description as requested by Stephen
- Specify unit address in example
- Add missing ranges in example

 .../bindings/remoteproc/qcom,pil-info.yaml    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,pil-info.yaml

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,pil-info.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,pil-info.yaml
new file mode 100644
index 000000000000..44d87fd2a07e
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,pil-info.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/remoteproc/qcom,pil-info.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm peripheral image loader relocation info binding
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@...aro.org>
+
+description:
+  The Qualcomm peripheral image loader relocation memory region, in IMEM, is
+  used for communicating remoteproc relocation information to post mortem
+  debugging tools.
+
+properties:
+  compatible:
+    const: qcom,pil-reloc-info
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    imem@...bf000 {
+      compatible = "syscon", "simple-mfd";
+      reg = <0 0x146bf000 0 0x1000>;
+
+      #address-cells = <1>;
+      #size-cells = <1>;
+
+      ranges = <0 0 0x146bf000 0x1000>;
+
+      pil-reloc@94c {
+        compatible = "qcom,pil-reloc-info";
+        reg = <0x94c 0xc8>;
+      };
+    };
+...
-- 
2.24.0