linux-kernel - Re: [PATCH v2 0/5] thermal: imx: Add nvmem-cells binding on imx6sx

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Date:   Mon, 17 Jul 2017 16:00:22 +0200
From:   Lothar Waßmann <LW@...O-electronics.de>
To:     Leonard Crestez <leonard.crestez@....com>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        Bai Ping <ping.bai@....com>, Anson Huang <Anson.Huang@....com>,
        Octavian Purdila <octavian.purdila@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/5] thermal: imx: Add nvmem-cells binding on imx6sx

Hi,

On Fri, 14 Jul 2017 17:11:05 +0300 Leonard Crestez wrote:
> 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 patch adding imx6ul/ull support:
> 
> Link: https://lkml.org/lkml/2017/6/9/578
> 
> ---
> Changes since v1:
>  * Move nvmem_cell_read_u32 to nvmem core (Shawn Guo, Srinivas Kandagatla)
>  * Adjust binding description (Rob Herring)
>  * Adjust formatting of thermal info cells (Shawn Guo)
>  * Link: https://lkml.org/lkml/2017/7/6/426
> 
> Leonard Crestez (5):
>   thermal: imx: Add nvmem-cells alternate binding for OCOTP access
>   nvmem: core: Add nvmem_cell_read_u32
>   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                      |  13 ++-
>  arch/arm/boot/dts/imx6ul.dtsi                      |  19 ++++
>  drivers/nvmem/core.c                               |  37 ++++++++
>  drivers/thermal/imx_thermal.c                      | 103 +++++++++++++++------
>  include/linux/nvmem-consumer.h                     |   8 ++
>  6 files changed, 156 insertions(+), 31 deletions(-)
> 
Works as expected on TX6UL-5010.

Tested-By: Lothar Waßmann <LW@...O-electronics.de>


Lothar Waßmann