Hi ARM-SoC guys,
Olof had confused this with PSCI[0]. I assume the confusion is now
resolved ? I have now rebased the series on top of v4.3-rc1 and just
resending them again.
Please pull this series for v4.4
You can access it from:
git://linux-arm.org/linux-skn.git juno_dvfs
BUT the ARM external git repository is still unreliable and hence I am
avoiding pull request. Can I request to pull it from the mails directly
instead ? Extremely sorry for the inconvenience.
Regards,
Sudeep
This patch series adds support for:
1. SCPI(System Control and Power Interface) mailbox protocol driver.
It uses ARM MHU mailbox controller driver on Juno but can work with
any mailbox controllers using standard mailbox APIs
2. Add support for clocks provided by SCP firmware through the SCPI
interface
3. Using the existing arm_big_little cpufreq driver and the newly
added SCPI clock driver, it also adds support for CPU DVFS on
ARM64 JUNO development platforms.
The SCPI protocol document is available @[1]
[0] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-August/364229.html
[1] http://infocenter.arm.com/help/topic/com.arm.doc.dui0922b/index.html
v1: https://lkml.org/lkml/2015/4/27/232
v2: https://lkml.org/lkml/2015/5/14/470
v3: https://lkml.org/lkml/2015/5/27/220
v4: https://lkml.org/lkml/2015/6/8/178
v5: https://lkml.org/lkml/2015/7/23/270
v6: https://lkml.org/lkml/2015/7/31/692
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-clk@xxxxxxxxxxxxxxx
Cc: linux-pm@xxxxxxxxxxxxxxx
Sudeep Holla (8):
Documentation: add DT binding for ARM System Control and Power
Interface(SCPI) protocol
firmware: add support for ARM System Control and Power Interface(SCPI)
protocol
clk: add support for clocks provided by SCP(System Control Processor)
clk: scpi: add support for cpufreq virtual device
cpufreq: arm_big_little: add SCPI interface driver
arm64: dts: add SRAM, MHU mailbox and SCPI support on Juno
arm64: dts: add CPU topology on Juno
arm64: dts: add clock support for all the cpus
Documentation/devicetree/bindings/arm/arm,scpi.txt | 150 +++++
MAINTAINERS | 10 +
arch/arm64/boot/dts/arm/juno-base.dtsi | 54 ++
arch/arm64/boot/dts/arm/juno-r1.dts | 32 +
arch/arm64/boot/dts/arm/juno.dts | 32 +
drivers/clk/Kconfig | 10 +
drivers/clk/Makefile | 1 +
drivers/clk/clk-scpi.c | 325 ++++++++++
drivers/cpufreq/Kconfig.arm | 10 +
drivers/cpufreq/Makefile | 1 +
drivers/cpufreq/scpi-cpufreq.c | 124 ++++
drivers/firmware/Kconfig | 19 +
drivers/firmware/Makefile | 1 +
drivers/firmware/arm_scpi.c | 711 +++++++++++++++++++++
include/linux/scpi_protocol.h | 61 ++
15 files changed, 1541 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/arm,scpi.txt
create mode 100644 drivers/clk/clk-scpi.c
create mode 100644 drivers/cpufreq/scpi-cpufreq.c
create mode 100644 drivers/firmware/arm_scpi.c
create mode 100644 include/linux/scpi_protocol.h
--
1.9.1
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