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[2001:14ba:a0c3:3a00::782]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30a2be45876sm16021071fa.68.2025.02.20.19.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Feb 2025 19:06:06 -0800 (PST) From: Dmitry Baryshkov Date: Fri, 21 Feb 2025 05:06:00 +0200 Subject: [PATCH v2 1/6] dt-bindings: PCI: qcom-ep: describe optional IOMMU Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250221-sar2130p-pci-v2-1-cc87590ffbeb@linaro.org> References: <20250221-sar2130p-pci-v2-0-cc87590ffbeb@linaro.org> In-Reply-To: <20250221-sar2130p-pci-v2-0-cc87590ffbeb@linaro.org> To: Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Mrinmay Sarkar , Bjorn Andersson , Konrad Dybcio Cc: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1332; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=h41p5OP+JGUWnkefKPRuMJP7onFPK2xv7UsIeCTWeA0=; b=owEBbQKS/ZANAwAKARTbcu2+gGW4AcsmYgBnt+2ZJ1d2rnD4QvueIoK3bZoOBqEM3ytwcD+Rk feHNpdrg/mJAjMEAAEKAB0WIQRdB85SOKWMgfgVe+4U23LtvoBluAUCZ7ftmQAKCRAU23LtvoBl uPghD/9cbfOizPzPViaH53MjmsJG+AMwDka8bh0Ol5Ah/3WZi3m2G9pb/VIEW2UfXCCI5vOq2J1 FlrsOGw0sgnjgDQZDptaXxutCri2EHVAl7OoXIT1Ghg/OoMgyCrAlEEJDNJjIzVdHMm2wX1Dpel dRK453wZiEbTV11pThtkcZTGU0A139G/AqeaHfEM1kyBqNG4o0jCKFq3ORSEl/j+b004CQh60sf pXc9AbjPGMB0RycngkK9txFg/MHNAWFsK4YUyodcnIgmOegqAt279r4fiUup5UnQ7+a0ASNn0cQ ALI429oQB4G6KO2oNJz5E6hmBigdlklfHG2E8TQbPK/hYW9H8lEG34qtPozt7fWbJUJq5Ll+u6y lb5LLTF5YQaredQemJjlY2usB52eEcEdvlZ3KwGc5rQyl0M7hXEB16DvgaLWlDPJf03m8ygR9MK jq66RRblrrTyovlWlMAcihjL16u1vFQ33hdJ2plQ3tPt7EHwn8J/lbqqFuXuBf4b0obMkKzRXgc KDRBMc8L7kO1Ac2H3au80EkiXZBGDO00Zv9a0dcsqqh5bXashm1b4ZREUdTmtBnPuGyeNi05eJk fQcgKnJTEkpL9VO4FHyCyM9MoU5mxT3nz8bkrAnYg3U1OFFeUYV1D70/89CyKeMTSH0QVURgH5W saFTFxbhjkq6bDA== X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A Some of Qualcomm platforms have an IOMMU unit between the PCIe IP and DDR. Changethe schema in order to allow specifying the IOMMU. Fixes: 9d3d5e75f31c ("dt-bindings: PCI: qcom-ep: Add support for SA8775P SoC") Signed-off-by: Dmitry Baryshkov --- Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml index 1226ee5d08d1ae909b07b0d78014618c4c74e9a8..800accdf5947e7178ad80f0759cf53111be1a814 100644 --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml @@ -75,6 +75,9 @@ properties: - const: doorbell - const: dma + iommus: + maxItems: 1 + reset-gpios: description: GPIO used as PERST# input signal maxItems: 1 @@ -233,6 +236,20 @@ allOf: minItems: 3 maxItems: 3 + - if: + properties: + compatible: + contains: + const: qcom,sdx55-pcie-ep + then: + properties: + iommus: + false + + else: + required: + - iommus + unevaluatedProperties: false examples: