On Sun, 02 Oct 2016, Ksenija Stanojevic wrote:
> Add core files for mxs-lradc MFD driver.
Please elaborate as to what mxs-lradc is.
> Note: this patch won't compile in iio/testing without this patch:
> a8f447be8056 ("mfd: Add resource managed APIs for mfd_add_devices")
Which has been in the kernel since v4.6, so you don't need to mention
it anymore.
> Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@xxxxxxxxx>
> ---
> Changes in v7:
> - define macros ADC_CELL and TSC_CELL
> - remove one cell and dynamically set them in the switch()
> - fail in the touchscreen driver instead of mfd driver if
> hardware doesn't contain a touchscreen
>
> Changes in v6:
> - update copyright
> - add kernel-doc header for struct mxs-lradc
> - add error message
> - change EINVAL to ENODEV
> - use PLATFORM_DEVID_NONE instead -1
> - cosmetic fixes
>
> Changes in v5:
> - use DEFINE_RES_MEM
> - don't pass ioreammaped adress to platform cells
> - move comment outside of struct mxs_lradc
> - change type of argument in mxs_lradc_reg_set, mxs_lradc_reg_clear,
> mxs_lradc_reg_wrt (struct mxs_lradc * -> void __iomem *)
>
> Changes in v4:
> - update copyright
> - use DEFINE_RES_IRQ_NAMED
> - remove mxs_lradc_add_device function
> - use struct mfd_cell in static form
> - improve spacing
> - remove unnecessary comment
> - remove platform_get_irq
> - remove touch_ret and use ret instead
> - rename use_touchscreen to touchscreen_wire
> - use goto statements
> - remove irq[13], irq_count and irq_name from struct mxs_lradc
> - remove all defines from inside the struct definition
>
> Changes in v3:
> - add note to commit message
> - move switch statement into if(touch_ret == 0) branch
> - add MODULE_AUTHOR
>
> Changes in v2:
> - do not change spacing in Kconfig
> - make struct mfd_cell part of struct mxs_lradc
> - use switch instead of if in mxs_lradc_irq_mask
> - use only necessary header files in mxs_lradc.h
> - use devm_mfd_add_device
> - use separate function to register mfd device
> - change licence to GPL
> - add copyright
>
> drivers/mfd/Kconfig | 17 +++++++++++++++++
> drivers/mfd/Makefile | 1 +
> 2 files changed, 18 insertions(+)
>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 2d1fb64..188c7d1 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -308,6 +308,23 @@ config MFD_MC13XXX_I2C
> help
> Select this if your MC13xxx is connected via an I2C bus.
>
> +config MFD_MXS_LRADC
> + tristate "Freescale i.MX23/i.MX28 LRADC"
> + depends on ARCH_MXS || COMPILE_TEST
> + select MFD_CORE
> + select STMP_DEVICE
> + help
> + Say yes here to build support for the Low Resolution
> + Analog-to-Digital Converter (LRADC) found on the i.MX23 and i.MX28
> + processors. This driver provides common support for accessing the
> + device, additional drivers must be enabled in order to use the
> + functionality of the device:
> + mxs-lradc-adc for ADC readings
> + mxs-lradc-ts for touchscreen support
> +
> + This driver can also be built as a module. If so, the module will be
> + called mxs-lradc.
> +
> config MFD_MX25_TSADC
> tristate "Freescale i.MX25 integrated Touchscreen and ADC unit"
> select REGMAP_MMIO
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 2ba3ba3..c9f9c80 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -207,3 +207,4 @@ obj-$(CONFIG_INTEL_SOC_PMIC) += intel-soc-pmic.o
> obj-$(CONFIG_MFD_MT6397) += mt6397-core.o
>
> obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o
> +obj-$(CONFIG_MFD_MXS_LRADC) += mxs-lradc.o
Please add these in the same patch that you add the driver.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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