Re: [PATCH v3 00/30] IIO-based thermal sensor driver for Allwinner H3 and A83T SoC

Måns Rullgård
2019-03-19T12:30:29Z

Philipp Rossak <embed3d@gmail.com> writes:

> Allwiner H3 and A83T SoCs have a thermal sensor, which is a large refactored
> version of the old Allwinner "GPADC" (although it have already only
> thermal part left in A33).
>
> This patch tried to add support for the sensor in H3 and A83T based on
>
> This Patchtseries was in the beginning based on Icenowy Zengs v4 patchseries [1]. Since we decided to merge the mfd driver into the GPADC this changed. So only one patch could be reused.
>
> Patches that adds support for H5, A64, A80 and H6 SoCs are allready prepared,
> and will be upstreamed if this patchseries is applied and the testing is done.
>
> Sorry for delaying this.
>
> Regards,
> Philipp
>
> changes since v2:
> * mfd driver is now merged into the gpadc driver
> * complete rework
>
> changes since v1:
> * collecting all acks
> * rewording commits/fix typos
> * move code in place where it is used
> * fix naming conventions of defines
> * clarify commits
> * update documentation to cover the new nvmem calibraion
> * change nvmem calibration
>
> Icenowy Zheng (1):
> iio: adc: sun4i-gpadc-iio: rename A33-specified registers to contain
> A33
>
> Philipp Rossak (29):
> mfd: Makefile: Remove build option for MFD:sun4i-gpadc
> mfd: Kconfig: Remove MFD_SUN4I_GPADC config option
> iio: adc: Remove ID table
> iio: adc: Kconfig: Update Kconfig to new build options
> iio: adc: move SUN4I_GPADC_CHANNEL define to header file
> iio: adc: remove ofnode options
> iio: adc: remove mfd_probe & sunwi_irq_init function
> iio: adc: remove hwmon structure
> iio: adc: Threat A33 as thermal sensor and remove non thermal sun4i
> channel
> iio: adc: rework irq and adc_channel handling
> iio: adc: add new compatibles
> mfd: Remove old mfd driver & Move sun4i-gpadc.h to iio/adc/
> arm: config: Enable SUN4I_GPADC in defconfig
> dt-bindings: update the Allwinner GPADC device tree binding for H3 &
> A83T
> iio: adc: sun4i-gpadc-iio: rework: readout temp_data
> iio: adc: sun4i-gpadc-iio: rework: support clocks and reset
> iio: adc: sun4i-gpadc-iio: rework: support multiple sensors
> iio: adc: sun4i-gpadc-iio: rework: support nvmem calibration data
> iio: adc: sun4i-gpadc-iio: rework: device specific suspend & resume
> iio: adc: sun4i-gpadc-iio: add support for H3 thermal sensor
> iio: adc: sun4i-gpadc-iio: add support for A83T thermal sensor
> ARM: dts: sunxi-h3-h5: add support for the thermal sensor in H3 and H5
> ARM: dts: sun8i: h3: add support for the thermal sensor in H3
> ARM: dts: sun8i: h3: add thermal zone to H3
> ARM: dts: sun8i: h3: enable H3 sid controller
> ARM: dts: sun8i: h3: use calibration for ths
> ARM: dts: sun8i: a83t: add support for the thermal sensor in A83T
> ARM: dts: sun8i: a83t: add thermal zone to A83T
> ARM: sun8i: a83t: full range OPP tables and CPUfreq
>
> .../devicetree/bindings/iio/adc/sun4i-gpadc.txt | 41 +-
> arch/arm/boot/dts/sun8i-a83t.dtsi | 143 +++++
> arch/arm/boot/dts/sun8i-h3.dtsi | 52 ++
> arch/arm/boot/dts/sunxi-h3-h5.dtsi | 10 +
> arch/arm/configs/sunxi_defconfig | 1 +
> drivers/iio/adc/Kconfig | 11 +-
> drivers/iio/adc/sun4i-gpadc-iio.c | 617 +++++++++++++--------
> drivers/mfd/Kconfig | 17 -
> drivers/mfd/Makefile | 1 -
> drivers/mfd/sun4i-gpadc.c | 181 ------
> include/linux/{mfd => iio/adc}/sun4i-gpadc.h | 47 +-
> 11 files changed, 681 insertions(+), 440 deletions(-)
> delete mode 100644 drivers/mfd/sun4i-gpadc.c
> rename include/linux/{mfd => iio/adc}/sun4i-gpadc.h (72%)

What became of these patches? I can't seem to find any follow-ups. Was
the approach abandoned in favour of something else?

--
Måns Rullgård