| Message ID | 20260515-tegra194-qspi-iommu-v1-2-57dfb63cd3d6@gmail.com |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | arm64: tegra: Add iommu and dma properties for Tegra194 QSPI | expand |
On Fri, May 15, 2026 at 03:35:28PM -0500, Aaron Kling wrote: > DMA coherency is supported by at least the Tegra194 and Tegra234 > controllers. > > Signed-off-by: Aaron Kling <webgeek1234@gmail.com> > --- > Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml | 2 ++ > 1 file changed, 2 insertions(+) Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Best regards, Krzysztof
On Fri, May 15, 2026 at 03:35:28PM -0500, Aaron Kling via B4 Relay wrote: > From: Aaron Kling <webgeek1234@gmail.com> > > DMA coherency is supported by at least the Tegra194 and Tegra234 > controllers. > > Signed-off-by: Aaron Kling <webgeek1234@gmail.com> > --- > Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml | 2 ++ > 1 file changed, 2 insertions(+) Similarly, DMA coherency does not apply on Tegra194 because the device itself does not perform DMA. dma-coherent should go on the DMA controller's DT node, which it already is. Thierry
diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml index 62233eb3101aeb..433bca02f86b13 100644 --- a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml @@ -47,6 +47,8 @@ properties: iommus: maxItems: 1 + dma-coherent: true + patternProperties: "@[0-9a-f]+$": type: object