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Date: Wed, 9 Sep 2020 21:34:34 +0800
From: Hector Yuan <hector.yuan@...iatek.com>
To: <linux-mediatek@...ts.infradead.org>,
<linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
<devicetree@...r.kernel.org>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Viresh Kumar <viresh.kumar@...aro.org>,
Rob Herring <robh+dt@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>,
<hector.yuan@...iatek.com>
Subject: [PATCH v6] cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver
The CPUfreq HW present in some Mediatek chipsets offloads the steps necessary for changing the frequency of CPUs.
The driver implements the cpufreq driver interface for this hardware engine.
This patch depends on the MT6779 DTS patch submitted by Hanks Chen
https://lkml.org/lkml/2020/8/4/1094
Hector.Yuan (2):
cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver
dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW
.../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 141 ++++++++++
drivers/cpufreq/Kconfig.arm | 12 +
drivers/cpufreq/Makefile | 1 +
drivers/cpufreq/mediatek-cpufreq-hw.c | 283 ++++++++++++++++++++
4 files changed, 437 insertions(+)
create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml
create mode 100644 drivers/cpufreq/mediatek-cpufreq-hw.c
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