diff options
| author | Stephan Gerhold <[email protected]> | 2023-09-19 13:59:50 +0200 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2023-09-25 14:19:38 +0200 |
| commit | d15befc0cef42db7712714157d9483cab81149a1 (patch) | |
| tree | 087ecdc24abd528755905ccaa80db9386ffbc200 | |
| parent | 287fcdaa35fc666640f805310095c52f2d818d26 (diff) | |
spi: dt-bindings: qup: Document interconnects
When the SPI QUP controller is used together with a DMA engine it needs
to vote for the interconnect path to the DRAM. Otherwise it may be
unable to access the memory quickly enough.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Stephan Gerhold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
| -rw-r--r-- | Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml b/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml index 1e498a791406..88be13268962 100644 --- a/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml +++ b/Documentation/devicetree/bindings/spi/qcom,spi-qup.yaml @@ -44,6 +44,9 @@ properties: - const: tx - const: rx + interconnects: + maxItems: 1 + interrupts: maxItems: 1 @@ -67,6 +70,7 @@ unevaluatedProperties: false examples: - | #include <dt-bindings/clock/qcom,gcc-msm8996.h> + #include <dt-bindings/interconnect/qcom,msm8996.h> #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/power/qcom-rpmpd.h> @@ -84,6 +88,7 @@ examples: dma-names = "tx", "rx"; power-domains = <&rpmpd MSM8996_VDDCX>; operating-points-v2 = <&spi_opp_table>; + interconnects = <&pnoc MASTER_BLSP_1 &bimc SLAVE_EBI_CH0>; #address-cells = <1>; #size-cells = <0>; }; |