linux-kernel - [PATCH 0/4] ARM64: add SCPI mailbox protocol, clock and CPUFreq support

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Date:	Mon, 27 Apr 2015 12:40:42 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	linux-kernel@...r.kernel.org
Cc:	Sudeep Holla <sudeep.holla@....com>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	"Jon Medhurst (Tixy)" <tixy@...aro.org>
Subject: [PATCH 0/4] ARM64: add SCPI mailbox protocol, clock and CPUFreq support

Hi,

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 DVFS
on ARM64 JUNO development platforms.

Regards,
Sudeep

Sudeep Holla (4):
  mailbox: add support for 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

 .../devicetree/bindings/mailbox/arm,scpi.txt       | 121 ++++
 drivers/clk/Kconfig                                |  10 +
 drivers/clk/Makefile                               |   1 +
 drivers/clk/clk-scpi.c                             | 357 +++++++++++
 drivers/cpufreq/Kconfig.arm                        |   9 +
 drivers/cpufreq/Makefile                           |   1 +
 drivers/cpufreq/scpi-cpufreq.c                     | 103 +++
 drivers/mailbox/Kconfig                            |  19 +
 drivers/mailbox/Makefile                           |   2 +
 drivers/mailbox/scpi_protocol.c                    | 694 +++++++++++++++++++++
 include/linux/scpi_protocol.h                      |  57 ++
 11 files changed, 1374 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mailbox/arm,scpi.txt
 create mode 100644 drivers/clk/clk-scpi.c
 create mode 100644 drivers/cpufreq/scpi-cpufreq.c
 create mode 100644 drivers/mailbox/scpi_protocol.c
 create mode 100644 include/linux/scpi_protocol.h

-- 
1.9.1

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