diff mbox series

[02/14] dt-bindings: sram: qcom,imem: add IMEM memory region

Message ID 20220607171848.535128-2-krzysztof.kozlowski@linaro.org (mailing list archive)
State Not Applicable
Headers show
Series [01/14] dt-bindings: sram: qcom,ocmem: cleanup example coding style | expand

Commit Message

Krzysztof Kozlowski June 7, 2022, 5:18 p.m. UTC 
Add bindings for IMEM memory region (like SRAM) used on several
Qualcomm SoCs.  In the downstream (vendor) tree, it comes with several
children used for debugging purposes.  The upstreamed parts are much
smaller - just image loader and syscon reboot.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../devicetree/bindings/sram/qcom,imem.yaml   | 75 +++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sram/qcom,imem.yaml

Comments

Rob Herring (Arm) June 9, 2022, 8:40 p.m. UTC | #1 
On Tue, 07 Jun 2022 19:18:36 +0200, Krzysztof Kozlowski wrote:
> Add bindings for IMEM memory region (like SRAM) used on several
> Qualcomm SoCs.  In the downstream (vendor) tree, it comes with several
> children used for debugging purposes.  The upstreamed parts are much
> smaller - just image loader and syscon reboot.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  .../devicetree/bindings/sram/qcom,imem.yaml   | 75 +++++++++++++++++++
>  1 file changed, 75 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sram/qcom,imem.yaml
> 

Applied, thanks!
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
new file mode 100644
index 000000000000..e9199190198d
--- /dev/null
+++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
@@ -0,0 +1,75 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sram/qcom,imem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm IMEM memory region
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+description:
+  Qualcomm IMEM is dedicated memory region for various debug features and DMA
+  transactions.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - qcom,apq8064-imem
+          - qcom,msm8974-imem
+          - qcom,qcs404-imem
+          - qcom,sc7180-imem
+          - qcom,sc7280-imem
+          - qcom,sdm630-imem
+          - qcom,sdm845-imem
+          - qcom,sdx55-imem
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  ranges: true
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 1
+
+  reboot-mode:
+    $ref: /schemas/power/reset/syscon-reboot-mode.yaml#
+
+patternProperties:
+  "^pil-reloc@[0-9a-f]+$":
+    $ref: /schemas/remoteproc/qcom,pil-info.yaml#
+    description: Peripheral image loader relocation region
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        sram@146bf000 {
+            compatible = "qcom,sdm845-imem", "syscon", "simple-mfd";
+            reg = <0 0x146bf000 0 0x1000>;
+            ranges = <0 0 0x146bf000 0x1000>;
+
+            #address-cells = <1>;
+            #size-cells = <1>;
+
+            pil-reloc@94c {
+                compatible = "qcom,pil-reloc-info";
+                reg = <0x94c 0xc8>;
+            };
+        };
+    };