[PATCH v3 0/2] arm64: dts: qcom: Add GPI DMA support for sc8280xp
From: Pengyu Luo
Date: Tue Jun 17 2025 - 05:01:08 EST
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@xxxxxxxxx>
---
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@xxxxxxxxx
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@xxxxxxxxx
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(+)
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2.49.0