[PATCH V5 2/2] thermal: imx: add i.MX7 thermal sensor support

Rob Herring robh at kernel.org
Thu Mar 1 13:22:53 PST 2018


On Thu, Mar 01, 2018 at 07:09:40AM +0800, Anson Huang wrote:
> This patch adds i.MX7 thermal sensor support, most
> of the i.MX7 thermal sensor functions are same with
> i.MX6 except the registers offset/layout, so we move
> those registers offset/layout definitions to soc data
> structure.
> 
> i.MX7 uses single calibration data @25C, the calibration
> data is located at OCOTP offset 0x4F0, bit[17:9], the
> formula is as below:
> 
> Tmeas = (Nmeas - n1) + 25; n1 is the fuse value for 25C.
> 
> Signed-off-by: Anson Huang <Anson.Huang at nxp.com>
> Signed-off-by: Bai Ping <ping.bai at nxp.com>
> Acked-by: Dong Aisheng <aisheng.dong at nxp.com>
> Acked-by: Shawn Guo <shawnguo at kernel.org>
> ---
> changes since V4:
> 	drop direct OCOTP register access for i.mx7d since it is a new added platform,
> 	only support reading ocotp values through the ocotp nvmem driver which handles clock.
>  .../devicetree/bindings/thermal/imx-thermal.txt    |   9 +-
>  drivers/thermal/imx_thermal.c                      | 295 ++++++++++++++++-----
>  2 files changed, 239 insertions(+), 65 deletions(-)

Please add ack/reviewed-by's when posting new versions.

Rob



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