linux-kernel - [PATCH 1/2] dt-bindings: interrupt-controller: qcom,pdc: Document x1p42100 PDC

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Message-Id: <20251231-purwa_pdc-v1-1-2b4979dd88ad@oss.qualcomm.com>
Date: Wed, 31 Dec 2025 15:48:45 +0530
From: Maulik Shah <maulik.shah@....qualcomm.com>
To: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Maulik Shah <maulik.shah@....qualcomm.com>
Subject: [PATCH 1/2] dt-bindings: interrupt-controller: qcom,pdc: Document
 x1p42100 PDC

Purwa shares the Hamoa (X1E80100) PDC device, but the hardware register
bug addressed in commit e9a48ea4d90b ("irqchip/qcom-pdc: Workaround
hardware register bug on X1E80100") is already fixed in Purwa silicon.

Hamoa compatible forces the software workaround. Add PDC compatible
for purwa as "qcom,x1p42100-pdc" to remove the workaround from Purwa.

Fixes: f08edb529916 ("arm64: dts: qcom: Add X1P42100 SoC and CRD")
Signed-off-by: Maulik Shah <maulik.shah@....qualcomm.com>
---
 Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml
index b26246de31862dadd1bfb2a3a93a64ca9fb1c2e8..01abbb980e11152d2fca84507c9587c3a025c39a 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml
@@ -53,6 +53,7 @@ properties:
           - qcom,sm8650-pdc
           - qcom,sm8750-pdc
           - qcom,x1e80100-pdc
+          - qcom,x1p42100-pdc
       - const: qcom,pdc
 
   reg:

-- 
2.34.1