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SubjectRe: [PATCH v3 00/30] IIO-based thermal sensor driver for Allwinner H3 and A83T SoC
On Tue, Mar 19, 2019 at 12:30:25PM +0000, Måns Rullgård wrote:
> 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?

It didn't, I don't think we ever got any follow-up to that series so
that's the main reason it's been held back.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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