linux-kernel - [PATCH 1/4] dt-bindings: arm: qcom: Document HAMOA-IOT-EVK board

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Message-Id: <20250716-hamoa_initial-v1-1-f6f5d0f9a163@oss.qualcomm.com>
Date: Wed, 16 Jul 2025 17:08:39 +0800
From: Yijie Yang <yijie.yang@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: Yijie Yang <yijie.yang@....qualcomm.com>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] dt-bindings: arm: qcom: Document HAMOA-IOT-EVK board

Document the device tree binding for a new board named "EVK" based on
the Qualcomm Hamoa-IoT platform.

The "hamoa" name refers to a family of SoCs that share the same silicon
die but are offered in multiple speed bins. The specific SoC used in
this board is the x1e80100, which represents one such bin within the
Hamoa family.

Although "qcom,hamoa-iot-evk" is introduced as the board-specific
compatible, the fallback compatible remains "qcom,x1e80100" to preserve
compatibility with existing in-kernel drivers and software that already
depend on this identifier.

Signed-off-by: Yijie Yang <yijie.yang@....qualcomm.com>
---
 Documentation/devicetree/bindings/arm/qcom.yaml | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
index ae43b35565808ed27cd8354b9a342545c4a98ed6..83b09ec1100ca03044c832212a99e65cc1177985 100644
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -100,8 +100,8 @@ description: |
         sm8550
         sm8650
         sm8750
-        x1e78100
-        x1e80100
+        x1e78100 # hamoa
+        x1e80100 # hamoa
         x1p42100
 
   There are many devices in the list below that run the standard ChromeOS
@@ -1162,6 +1162,11 @@ properties:
               - qcom,x1p42100-crd
           - const: qcom,x1p42100
 
+      - items:
+          - enum:
+              - qcom,hamoa-iot-evk
+          - const: qcom,x1e80100
+
   # Board compatibles go above
 
   qcom,msm-id:

-- 
2.34.1