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clk: qcom: clk-rpmh: Add IPA clock support

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The clk-rpmh driver only supports on and off RPMh clock resources. Let's
extend the driver by adding support for clocks that are managed by a
different type of RPMh resource known as Bus Clock Manager(BCM). The BCM
is a configurable shared resource aggregator that scales performance
based on a set of frequency points. The Qualcomm IP Accelerator (IPA)
clock is an example of a resource that is managed by the BCM and this a
requirement from the IPA driver in order to scale its core clock.

Signed-off-by: David Dai <daidavid1@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
David Dai
2019-01-24 16:47:00 -08:00
committed by Stephen Boyd
parent bfeffd1552
commit 04053f4d23
2 changed files with 147 additions and 0 deletions
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include/dt-bindings/clock/qcom,rpmh.h
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@@ -18,5 +18,6 @@
#define RPMH_RF_CLK2_A 9
#define RPMH_RF_CLK3 10
#define RPMH_RF_CLK3_A 11
#define RPMH_IPA_CLK 12
#endif