linux-kernel - [PATCH 0/4] thermal: imx: Add nvmem-cells binding on imx6sx

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Date:   Thu, 6 Jul 2017 16:20:40 +0300
From:   Leonard Crestez <leonard.crestez@....com>
To:     Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lothar Waßmann <LW@...O-electronics.de>
CC:     Fabio Estevam <fabio.estevam@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        Bai Ping <ping.bai@....com>, Anson Huang <Anson.Huang@....com>,
        Octavian Purdila <octavian.purdila@....com>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/4] thermal: imx: Add nvmem-cells binding on imx6sx

On imx6sx accessing OCOTP directly is wrong because the ocotp clock needs to be
enabled first. Fix this by adding a nvmem-cells binding and using it on imx6sx,
imx6ul and imx6ull.

The existing binding is kept around because it works fine on imx6qdl.

This was initially reported by Lothar Waßmann <LW@...O-electronics.de> in reply
to a mail adding imx6ul/ull support:

Link: https://lkml.org/lkml/2017/6/9/578

A previous attempt just reinterpreted the fsl,tempmon-data phandle as nvmem.
Code was actually written to use nvmem-cells first but I thought that
reinterpreting existing devicetree properties would be interesting.

Link: https://lkml.org/lkml/2017/6/19/333

Leonard Crestez (4):
  thermal: imx: Add nvmem-cells alternate binding for OCOTP access
  thermal: imx: Add support for reading OCOTP through nvmem
  ARM: dts: imx6sx: Use nvmem-cells for tempmon
  ARM: dts: imx6ul: Add imx6ul-tempmon

 .../devicetree/bindings/thermal/imx-thermal.txt    |   7 ++
 arch/arm/boot/dts/imx6sx.dtsi                      |  11 +-
 arch/arm/boot/dts/imx6ul.dtsi                      |  17 +++
 drivers/thermal/imx_thermal.c                      | 131 ++++++++++++++++-----
 4 files changed, 135 insertions(+), 31 deletions(-)

-- 
2.7.4