linux-kernel - [PATCH 0/3] ARM: berlin: add cpufreq support for the BG2Q

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Message-Id: <1438259752-16320-1-git-send-email-antoine.tenart@free-electrons.com>
Date:	Thu, 30 Jul 2015 14:35:49 +0200
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	sebastian.hesselbarth@...il.com, mturquette@...libre.com,
	sboyd@...eaurora.org
Cc:	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	zmxu@...vell.com, jszhang@...vell.com,
	linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] ARM: berlin: add cpufreq support for the BG2Q

Hi,

This series adds the cpufreq support to the Berlin BG2Q SoC only, as I
told this couldn't be done for BG2 and BG2CD.

First, the cpuclk clock is added to the Berlin clock driver. This clock
has a divider fixed to 1, so we use a fixed factor clock here.

Then register a platform device for cpufreq-dt, when using a BG2Q.

I also added the OPP table definition in the BG2Q device tree. Some
bootloaders may update this table when booting. Mine doesn't.

Tested on a BG2Q DMP.

Thanks,

Antoine

Antoine Tenart (3):
  clk: berlin: add cpuclk
  ARM: berlin: register cpufreq-dt for the BG2Q
  ARM: berlin: dts: add the cpufreq-dt bindings on the BG2Q

 arch/arm/boot/dts/berlin2q.dtsi      | 11 +++++++++++
 arch/arm/mach-berlin/berlin.c        | 13 +++++++++++++
 drivers/clk/berlin/bg2q.c            | 14 +++++++-------
 include/dt-bindings/clock/berlin2q.h |  3 ++-
 4 files changed, 33 insertions(+), 8 deletions(-)

-- 
2.5.0

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