linux-kernel - [PATCH v4 0/1] arm64: dts: qcom: Add GPI DMA support for sc8280xp

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Message-ID: <20250824051756.9031-1-mitltlatltl@gmail.com>
Date: Sun, 24 Aug 2025 13:17:56 +0800
From: Pengyu Luo <mitltlatltl@...il.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>,
	Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Pengyu Luo <mitltlatltl@...il.com>
Subject: [PATCH v4 0/1] arm64: dts: qcom: Add GPI DMA support for sc8280xp

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.

Signed-off-by: Pengyu Luo <mitltlatltl@...il.com>
---
Changes in v4:
- remove double space (Konrad)
- remove the last interrupt of gpi_dma0 (Konrad)
- enable the gpi_dma nodes by default (Konrad, Dmitry)
- Link to v3: https://lore.kernel.org/linux-arm-msm/20250617090032.1487382-1-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 (1):
  arm64: dts: qcom: sc8280xp: Describe GPI DMA controller nodes

 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 361 +++++++++++++++++++++++++
 1 file changed, 361 insertions(+)

-- 
2.50.1