Hi, On 22/12/2020 09:56, Marek Szyprowski wrote: > Hi All, > > This patchset adds all building blocks needed for checking the 'Function' > button state in the boot script on Amlogic A311D based VIM3 board. This > button is connected to the ADC lines of the SoC, so it required to enable > meson SARADC, the clocks needed for it and a simple button-adc drivers. > > Once applied, one can use following commands in the boot scripts: > -->8--- > echo Checking Func button state: \\c > if button Function > then > echo Selected alternative boot > ... > fi > --->8--- > > Best regards > Marek Szyprowski > Samsung R&D Institute Poland > > > Changelog: > v4: > - rebased onto uboot-amlogic/u-boot-amlogic-next and dropped merged patches > - added adc-keys bindings docs (copied from Linux kernel) > - minor code adjustments pointed by Simon > - enabled driver also in khadas-vim3l_defconfig > > v3: https://lists.denx.de/pipermail/u-boot/2020-December/435072.html > - removed 'button' env variable > - extended kconfig and patch descriptions > > v2: https://lists.denx.de/pipermail/u-boot/2020-December/434991.html > - removed Change-Id tags > - split defconfig changes into ADC and button related > > v1: https://lists.denx.de/pipermail/u-boot/2020-December/434875.html > - initial submission
What's the state of the patchset ? Neil > > > Patch summary: > > Marek Szyprowski (3): > dt-bindings: input: adc-keys bindings documentation > button: add a simple Analog to Digital Converter device based button > driver > configs: khadas-vim3(l): enable Function button support > > configs/khadas-vim3_defconfig | 2 + > configs/khadas-vim3l_defconfig | 2 + > doc/device-tree-bindings/input/adc-keys.txt | 49 ++++++++ > drivers/button/Kconfig | 8 ++ > drivers/button/Makefile | 1 + > drivers/button/button-adc.c | 121 ++++++++++++++++++++ > 6 files changed, 183 insertions(+) > create mode 100644 doc/device-tree-bindings/input/adc-keys.txt > create mode 100644 drivers/button/button-adc.c >
