linux-kernel - [PATCH] dt-bindings: qcom: readme: document preferred compatible naming

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Message-Id: <20220701074659.12680-1-krzysztof.kozlowski@linaro.org>
Date:   Fri,  1 Jul 2022 09:46:59 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, Alex Elder <elder@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>
Subject: [PATCH] dt-bindings: qcom: readme: document preferred compatible naming

Compatibles can come in two formats.  Either "vendor,ip-soc" or
"vendor,soc-ip".  Qualcomm bindings were mixing both of usages, so add a
readme file documenting preferred policy.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Vinod Koul <vkoul@...nel.org>
Cc: Alex Elder <elder@...aro.org>
Cc: Robert Foss <robert.foss@...aro.org>
Cc: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 .../devicetree/bindings/soc/qcom/README.rst      | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/README.rst

diff --git a/Documentation/devicetree/bindings/soc/qcom/README.rst b/Documentation/devicetree/bindings/soc/qcom/README.rst
new file mode 100644
index 000000000000..322b329ac7c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/README.rst
@@ -0,0 +1,16 @@
+.. SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+Qualcomm SoC compatibles naming convention
+==========================================
+1. When adding new compatibles in new bindings, use the format:
+   ::
+
+     qcom,SoC-IP
+
+   For example:
+   ::
+
+     qcom,sdm845-llcc-bwmon
+
+2. When adding new compatibles to existing bindings, use the format
+   in the existing binding, even if it contradicts the above.
-- 
2.34.1