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Message-Id: <20181114131627.17766-1-narmstrong@baylibre.com>
Date: Wed, 14 Nov 2018 14:16:24 +0100
From: Neil Armstrong <narmstrong@...libre.com>
To: khilman@...libre.com
Cc: Neil Armstrong <narmstrong@...libre.com>,
linux-amlogic@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/3] Add Amlogic Meson GX SoC Clock Measure Driver
The Amlogic Meson GX SoCs embeds a clock measurer IP to measure the internal
clocks frequencyies.
The precision is determined by stepping into the divider until the counter
overflows.
The debugfs slows a pretty summary and each clock can be measured
individually aswell.
Thsi patchset includes the dt-bindings, driver and the DT node added to the
meson-gx dtsi.
Changes since v1 at [1]:
- fixed clock names
- added summary in debugfs and moved indivudual clocks into a subdirectory
- added the GX table to the match data
Neil Armstrong (3):
dt-bindings: amlogic: Add Internal Clock Measurer bindings
soc: amlogic: Add Meson GX Clock Measure driver
ARM64: dts: meson-gx: Add Internal Clock Measurer node
.../bindings/soc/amlogic/clk-measure.txt | 15 +
arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 5 +
drivers/soc/amlogic/Kconfig | 8 +
drivers/soc/amlogic/Makefile | 1 +
drivers/soc/amlogic/meson-gx-clk-measure.c | 293 ++++++++++++++++++
5 files changed, 322 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/amlogic/clk-measure.txt
create mode 100644 drivers/soc/amlogic/meson-gx-clk-measure.c
--
2.19.1
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