On Mon, 09 Sep 2019, Lukasz Majewski wrote: > From: Sascha Hauer <s.ha...@pengutronix.de> > > The mc34708 has an improved adc. The older variants will always convert > a fixed order of channels. The mc34708 can do up to eight conversions > in arbitrary channel order. Currently this extended feature is not > supported. We only support touchscreen conversions now, which will > be sampled in a data format compatible to the older chips in order > to keep the API between the mfd and the touchscreen driver.
Please take this opportunity to split all the ADC stuff out into an ADC specific driver. > Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de> > Signed-off-by: Lukasz Majewski <lu...@denx.de> > > --- > Changes for v5: > - Remove adc_do_conversion() callbacks from struct mc13xxx_variant > - Remove duplicated MC13XXX_ADC_WORKING #define > > Changes for v4: > - None > > Changes for v3: > - None > > Changes for v2: > - Change the return code patch when the mc13xxx ADC is performing conversion > - Introduce new include/linux/mfd/mc34708.h header file for mc34708 specific > defines > > Changes from the original patches: > - ADC conversion functions prototypes added to fix build error > - Adjustments to make checkpatch clean (-ENOSYS, line over 80 char) > > This patch applies on top of Linux 5.3-rc8 > SHA1: f74c2bb98776e2de508f4d607cd519873065118e > --- > drivers/mfd/mc13xxx-core.c | 98 ++++++++++++++++++++++++++++++++++++- > include/linux/mfd/mc34708.h | 37 ++++++++++++++ > 2 files changed, 133 insertions(+), 2 deletions(-) > create mode 100644 include/linux/mfd/mc34708.h -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
