spi: spi-qcom-qspi: Use OPP API to set clk/perf state

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QSPI needs to vote on a performance state of a power domain depending on
the clock rate. Add support for it by specifying the perf state/clock rate
as an OPP table in device tree.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Mark Brown <broonie@kernel.org>
Cc: Alok Chauhan <alokc@codeaurora.org>
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: linux-spi@vger.kernel.org
Link: https://lore.kernel.org/r/1593769293-6354-2-git-send-email-rnayak@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

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Rajendra Nayak 2020-07-03 15:11:31 +05:30 • committed by Bjorn Andersson

parent 4bdc8c8d28

commit f79a158d37

1 changed files with 27 additions and 1 deletions

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drivers/spi/spi-qcom-qspi.c

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