Re: [PATCH v4 0/7] Add Renesas RZ/G3L TSU support

[Jonathan Cameron <jic23@kernel.org>]

On Fri, 25 Sep 2026 07:15:58 +0100
Biju Das <biju.das.jz@bp.renesas.com> wrote:

> The Thermal sensor unit (a.k.a TSU) IP found on the RZ/G3L SoC is similar
> to the RZ/G3S, but it has different calibration constants. Moreover, the
> TSU is connected to A/D converter of TSU (a.k.a ADC1) on the RZ/G3L,
> whereas it is connected to ADC0 on the RZ/G3S.
> 
> Compared to ADC0, there are no A/D conversion result registers(ADCR0 to
> ADCR7) on the RZ/G3L, and the INTEN bits in the A/D converter interrupt
> control register(a.k.a ADINT)  are also different.
> 
> This patch series aims to add support for TSU along with ADC1.
> 
> Merge strategy:
>   * patch #1-#3 thermal subsystem
>   * patch #4-#6 iio subsystem
Applied these to the testing branch of iio.git.  That will show
up in linux-next once 0-day has taken a first look at it.

Thanks,

Jonathan

>   * patch #7 SoC subsystem
> 
> v3->v4:
>  * Dropped clk patch as it is accepted.
>  * Collected tag.
>  * Updated commit description for patch#5.
>  * Updated kernel doc comment for max_channels.
> v2->v3:
>  * Collected tags
>  * Dropped required property '#io-channel-cells' from bindings.
>  * Renamed num_channels to max_channels in struct rzg2l_adc_hw_params
> v1->v2:
>  * Merged TSU and ADC1 series together.
>  * Moved the clk patch.
> 
> Biju Das (7):
>   dt-bindings: thermal: r9a08g045-tsu: Document RZ/G3L TSU
>   thermal/drivers/renesas/rzg3s: Convert calibration defaults to per-SoC
>     match data
>   thermal/drivers/renesas/rzg3s: Add RZ/G3L TSU support
>   dt-bindings: iio: adc: renesas,rzg2l-adc: Document RZ/G3L ADC for TSU
>   iio: adc: rzg2l_adc: Rename num_channels to max_channels
>   iio: adc: rzg2l_adc: Add RZ/G3L ADC support for TSU
>   arm64: dts: renesas: r9a08g046: Enable TSU
> 
>  .../bindings/iio/adc/renesas,rzg2l-adc.yaml   | 17 ++++-
>  .../thermal/renesas,r9a08g045-tsu.yaml        |  4 +-
>  arch/arm64/boot/dts/renesas/r9a08g046.dtsi    | 66 +++++++++++++++++++
>  drivers/iio/adc/rzg2l_adc.c                   | 29 +++++---
>  drivers/thermal/renesas/rzg3s_thermal.c       | 38 ++++++++---
>  5 files changed, 133 insertions(+), 21 deletions(-)
>