linux-kernel - [PATCH v2 1/4] dt-bindings: sram: Document qcom,rpm-msg-ram

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Date:   Thu, 30 Sep 2021 11:21:08 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chris Lew <clew@...eaurora.org>,
        Deepak Kumar Singh <deesin@...eaurora.org>
Subject: [PATCH v2 1/4] dt-bindings: sram: Document qcom,rpm-msg-ram

The Qualcomm SMEM binding always depended on a reference to a SRAM node
of compatible "qcom,rpm-msg-ram", document this as part of the SRAM
binding.

The SRAM is consumed as a whole and not split up using subnodes, so
properties related to this are not required.

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

Changes since v1:
- New patch, to resolve issue with the existing qcom,smem example

 Documentation/devicetree/bindings/sram/sram.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml
index 3eda5049d183..e3311b54db33 100644
--- a/Documentation/devicetree/bindings/sram/sram.yaml
+++ b/Documentation/devicetree/bindings/sram/sram.yaml
@@ -31,6 +31,7 @@ properties:
         - amlogic,meson-gxbb-sram
         - arm,juno-sram-ns
         - atmel,sama5d2-securam
+        - qcom,rpm-msg-ram
         - rockchip,rk3288-pmu-sram
 
   reg:
@@ -135,7 +136,9 @@ if:
   properties:
     compatible:
       contains:
-        const: rockchip,rk3288-pmu-sram
+        enum:
+          - qcom,rpm-msg-ram
+          - rockchip,rk3288-pmu-sram
 
 else:
   required:
-- 
2.29.2