[PATCH v3 4/6] dt-bindings: thermal: rockchip: document otp thermal trim

[Rob Herring (Arm)]

On Fri, 28 Feb 2025 21:06:54 +0100, Nicolas Frattaroli wrote:
> Several Rockchip SoCs, such as the RK3576, can store calibration trim
> data for thermal sensors in OTP cells. This capability should be
> documented.
> 
> Such a rockchip thermal sensor may reference cell handles that store
> both a chip-wide trim for all the sensors, as well as cell handles
> for each individual sensor channel pointing to that specific sensor's
> trim value.
> 
> Additionally, the thermal sensor may optionally reference cells which
> store the base in terms of degrees celsius and decicelsius that the trim
> is relative to.
> 
> Each SoC that implements this appears to have a slightly different
> combination of chip-wide trim, base, base fractional part and
> per-channel trim, so which ones do which is documented in the bindings.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>
> ---
>  .../bindings/thermal/rockchip-thermal.yaml         | 61 ++++++++++++++++++++++
>  1 file changed, 61 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>