linux-kernel - [PATCH v2 0/9] i2c: at91: filters support for at91 SoCs

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Date:   Tue, 25 Jun 2019 08:04:41 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <Ludovic.Desroches@...rochip.com>, <wsa@...-dreams.de>,
        <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <Eugen.Hristev@...rochip.com>
Subject: [PATCH v2 0/9] i2c: at91: filters support for at91 SoCs

From: Eugen Hristev <eugen.hristev@...rochip.com>

This series adds the support for i2c filters: analog and digital filter

digital filter is available for sama5d4
an advanced digital filter that allows threshold configuration is available
for sama5d2 and sam9x60
analog filtering is available for sama5d2 and sam9x60

This series also adds platform data for sam9x60 to the driver

In this series version, the enablement of the filters is via Device tree,
as requested by Alexandre Belloni. The PCB/board specific noise is hardware
dependent.

The platform data properties keep the same pattern : set for each SoC
true/false value as it is done for previous properties.

Changes in v2:
- added device tree bindings and support for enable-ana-filt and
enable-dig-filt
- added the new properties to the DT for sama5d4_xplained/sama5d2_xplained

Eugen Hristev (9):
  dt-bindings: i2c: at91: add new compatible
  i2c: at91: add new platform support for sam9x60
  dt-bindings: i2c: at91: add binding for enable-dig-filtr
  i2c: at91: add support for digital filtering
  i2c: at91: add support for advanced digital filtering
  dt-bindings: i2c: at91: add binding for enable-ana-filt
  i2c: at91: add support for analog filtering
  ARM: dts: at91: sama5d2_xplained: add analogic and digital filter for
    i2c
  ARM: dts: at91: sama5d4_xplained: add analogic filter for i2c

 Documentation/devicetree/bindings/i2c/i2c-at91.txt | 11 ++++++-
 arch/arm/boot/dts/at91-sama5d2_xplained.dts        |  4 +++
 arch/arm/boot/dts/at91-sama5d4_xplained.dts        |  1 +
 drivers/i2c/busses/i2c-at91-core.c                 | 38 ++++++++++++++++++++++
 drivers/i2c/busses/i2c-at91-master.c               | 24 ++++++++++++++
 drivers/i2c/busses/i2c-at91.h                      | 12 +++++++
 6 files changed, 89 insertions(+), 1 deletion(-)

-- 
2.7.4