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From: Pengyu Luo <mitltlatltl@gmail.com>
To: Vinod Koul <vkoul@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: linux-arm-msm@vger.kernel.org,
dmaengine@vger.kernel.org,
devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Pengyu Luo <mitltlatltl@gmail.com>
Subject: [PATCH v3 0/2] arm64: dts: qcom: Add GPI DMA support for sc8280xp
Date: Tue, 17 Jun 2025 17:00:30 +0800
Message-ID: <20250617090032.1487382-1-mitltlatltl@gmail.com>
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| Series |
arm64: dts: qcom: Add GPI DMA support for sc8280xp
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This series adds GPI DMA support for the sc8280xp platform. This option is required only on devices where the touch panel is connected over SPI. base-commit: 176e917e010cb7dcc605f11d2bc33f304292482b Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com> --- Changes in v3: - fix shifted dma channels - do not enable this on devices without connected SPI slave devices. - Link to v2: https://lore.kernel.org/linux-arm-msm/20250612075724.707457-1-mitltlatltl@gmail.com Changes in v2: - document dt-bindings (Dmitry) - use describe in commit message (Eugen) - enable it for sc8280xp based devices - Link to v1: https://lore.kernel.org/linux-arm-msm/20250605054208.402581-1-mitltlatltl@gmail.com Pengyu Luo (2): dt-bindings: dma: qcom,gpi: Document the sc8280xp GPI DMA engine arm64: dts: qcom: sc8280xp: Describe GPI DMA controller nodes .../devicetree/bindings/dma/qcom,gpi.yaml | 1 + arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 368 ++++++++++++++++++ 2 files changed, 369 insertions(+)