Commit Graph

3 Commits

Author SHA1 Message Date
Stephan Gerhold
d15befc0ce 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 <krzysztof.kozlowski@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Link: https://lore.kernel.org/r/20230919-spi-qup-dvfs-v2-3-1bac2e9ab8db@kernkonzept.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-09-25 14:19:38 +02:00
Stephan Gerhold
e6419c35f0 spi: dt-bindings: qup: Document power-domains and OPP
Document power-domains and operating-points-v2 to allow making
performance state votes for certain clock frequencies of the SPI QUP
controller.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Link: https://lore.kernel.org/r/20230919-spi-qup-dvfs-v2-1-1bac2e9ab8db@kernkonzept.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-09-25 14:19:36 +02:00
Krzysztof Kozlowski
d6a4371c3c spi: dt-bindings: qcom,spi-qup: convert to dtschema
Convert the Qualcomm Universal Peripheral (QUP) Serial Peripheral
Interface (SPI) bindings to DT Schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Kuldeep Singh <singh.kuldeep87k@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220405063451.12011-7-krzysztof.kozlowski@linaro.org
2022-04-07 12:45:55 -05:00