From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: krzk@kernel.org
Cc: robh+dt@kernel.org, vireshk@kernel.org,
devicetree@vger.kernel.org, kgene@kernel.org,
pankaj.dubey@samsung.com, linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
b.zolnierkie@samsung.com, m.szyprowski@samsung.com,
Sylwester Nawrocki <s.nawrocki@samsung.com>
Subject: [PATCH v2 0/9] Exynos Adaptive Supply Voltage support
Date: Thu, 18 Jul 2019 16:30:35 +0200 [thread overview]
Message-ID: <20190718143044.25066-1-s.nawrocki@samsung.com> (raw)
In-Reply-To: CGME20190718143117eucas1p1e534b9075d10fbbbe427c66192205eb1@eucas1p1.samsung.com
This is second iteration of patch series adding ASV (Adaptive Supply
Voltage) support for Exynos SoCs. The first one can be found at:
https://lore.kernel.org/lkml/20190404171735.12815-1-s.nawrocki@samsung.com
The main changes comparing to the first (RFC) version are:
- moving ASV data tables from DT to the driver,
- converting the chipid and the ASV drivers to use regmap,
- converting the ASV driver to proper platform driver.
I tried the opp-supported-hw bitmask approach as in the Qualcomm CPUFreq
DT bindings but it resulted in too many OPPs and DT nodes, around 200
per CPU cluster. So the ASV OPP tables are now in the ASV driver, as in
downstream kernels. I might give it a try and restrucure these tables
to avoid data repetition.
This patch set includes Exynos CHIPID driver posted by Pankaj Dubey and
futher improved by Bartlomiej Zolnierkiewicz [1].
Tested on Odroid XU3, XU3 Lite, XU4.
One of the things on TODO list is support for the Adaptive Body Bias.
This will require modifications on the cpufreq driver side in order to
support multiple voltage regulators and changes in the OPP framework
to support adding OPPs with multiple voltages.
[1] https://lkml.org/lkml/2018/11/15/908
Pankaj Dubey (3):
soc: samsung: Add exynos chipid driver support
ARM: EXYNOS: enable exynos_chipid for ARCH_EXYNOS
ARM64: EXYNOS: enable exynos_chipid for ARCH_EXYNOS
Sylwester Nawrocki (6):
soc: samsung: Convert exynos-chipid driver to use the regmap API
soc: samsung: Add Exynos Adaptive Supply Voltage driver
ARM: EXYNOS: Enable exynos-asv driver for ARCH_EXYNOS
soc: samsung: Update the CHIP ID DT binding documentation
ARM: dts: Add "syscon" compatible string to chipid node
ARM: dts: Add samsung,asv-bin property for odroidxu3-lite
.../bindings/arm/samsung/exynos-chipid.txt | 10 +-
arch/arm/boot/dts/exynos5.dtsi | 4 +-
.../boot/dts/exynos5422-odroidxu3-lite.dts | 4 +
arch/arm/mach-exynos/Kconfig | 2 +
arch/arm64/Kconfig.platforms | 1 +
drivers/soc/samsung/Kconfig | 16 +
drivers/soc/samsung/Makefile | 5 +
drivers/soc/samsung/exynos-asv.c | 185 +++++++
drivers/soc/samsung/exynos-asv.h | 82 +++
drivers/soc/samsung/exynos-chipid.c | 104 ++++
drivers/soc/samsung/exynos5422-asv.c | 499 ++++++++++++++++++
drivers/soc/samsung/exynos5422-asv.h | 25 +
include/linux/soc/samsung/exynos-chipid.h | 48 ++
13 files changed, 981 insertions(+), 4 deletions(-)
create mode 100644 drivers/soc/samsung/exynos-asv.c
create mode 100644 drivers/soc/samsung/exynos-asv.h
create mode 100644 drivers/soc/samsung/exynos-chipid.c
create mode 100644 drivers/soc/samsung/exynos5422-asv.c
create mode 100644 drivers/soc/samsung/exynos5422-asv.h
create mode 100644 include/linux/soc/samsung/exynos-chipid.h
--
2.17.1
next parent reply other threads:[~2019-07-18 14:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190718143117eucas1p1e534b9075d10fbbbe427c66192205eb1@eucas1p1.samsung.com>
2019-07-18 14:30 ` Sylwester Nawrocki [this message]
[not found] ` <CGME20190718143127eucas1p13b1e2c98d270140a87f09562ef46c9a3@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 1/9] soc: samsung: Add exynos chipid driver support Sylwester Nawrocki
2019-07-23 12:57 ` Krzysztof Kozlowski
2019-07-23 14:10 ` Bartlomiej Zolnierkiewicz
2019-07-24 10:47 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
[not found] ` <CGME20190718143128eucas1p2677ae16d229dddcd9a0db8084f0da5cf@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 2/9] soc: samsung: Convert exynos-chipid driver to use the regmap API Sylwester Nawrocki
2019-07-23 13:01 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
[not found] ` <CGME20190718143130eucas1p26f2058f47eb2f4020e1ddbf1619d1ac8@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 3/9] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki
2019-07-23 13:38 ` Krzysztof Kozlowski
2019-08-08 12:07 ` Sylwester Nawrocki
2019-08-08 12:31 ` Krzysztof Kozlowski
2019-08-08 12:48 ` Robin Murphy
2019-08-08 13:14 ` Krzysztof Kozlowski
[not found] ` <CGME20190718143131eucas1p2e1afc9fe816fff52ee4d12e0979eeb4c@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 4/9] ARM: EXYNOS: enable exynos_chipid for ARCH_EXYNOS Sylwester Nawrocki
[not found] ` <CGME20190718143132eucas1p2afecae86f2ef17aa8a4a99df8ffa47d9@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 5/9] ARM64: " Sylwester Nawrocki
[not found] ` <CGME20190718143134eucas1p2aed09e2171d0d2d6b916dddac3637017@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 6/9] ARM: EXYNOS: Enable exynos-asv driver " Sylwester Nawrocki
[not found] ` <CGME20190718143135eucas1p2da5b7842b35327c60667064184619a9f@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 7/9] soc: samsung: Update the CHIP ID DT binding documentation Sylwester Nawrocki
[not found] ` <CGME20190718143136eucas1p2cedfe5ed5e8e6316e82b30a565dc4855@eucas1p2.samsung.com>
2019-07-18 14:30 ` [PATCH v2 8/9] ARM: dts: Add "syscon" compatible string to chipid node Sylwester Nawrocki
[not found] ` <CGME20190718143138eucas1p127542c4cb8416cee9af6a95f4bc98366@eucas1p1.samsung.com>
2019-07-18 14:30 ` [PATCH v2 9/9] ARM: dts: Add samsung,asv-bin property for odroidxu3-lite Sylwester Nawrocki
2019-07-23 2:04 ` [PATCH v2 0/9] Exynos Adaptive Supply Voltage support Viresh Kumar
2019-07-24 13:10 ` Marek Szyprowski
2019-07-25 2:23 ` Viresh Kumar
2019-08-09 15:58 ` Sylwester Nawrocki
2019-08-19 9:09 ` Viresh Kumar
2019-08-19 10:06 ` Viresh Kumar
2019-08-19 11:16 ` Sylwester Nawrocki
2019-08-19 11:25 ` Viresh Kumar
2019-08-19 13:39 ` Sylwester Nawrocki
2019-08-20 3:01 ` Viresh Kumar
2019-08-20 9:03 ` Sylwester Nawrocki
2019-08-20 9:21 ` Viresh Kumar
2019-09-04 12:37 ` Sylwester Nawrocki
2019-09-05 5:01 ` Viresh Kumar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190718143044.25066-1-s.nawrocki@samsung.com \
--to=s.nawrocki@samsung.com \
--cc=b.zolnierkie@samsung.com \
--cc=devicetree@vger.kernel.org \
--cc=kgene@kernel.org \
--cc=krzk@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=pankaj.dubey@samsung.com \
--cc=robh+dt@kernel.org \
--cc=vireshk@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).