[PATCH v1 1/1] misc: extcon: add MAX14526 MUIC support

[Simon Glass]

Hi Svyatoslav,

On Wed, 19 Apr 2023 at 12:53, Svyatoslav Ryhel <clamor95 at gmail.com> wrote:
>
> MAX14526 is a powerful extcon chip which allows detection of various
> plugs like usb, mhl, uart, headset etc. This version of driver
> implements support of AP-usb and CP-usb/uart paths.
>
> Tested-by: Andreas Westman Dorcsak <hedmoo at yahoo.com> # LG P880 T30
> Tested-by: Svyatoslav Ryhel <clamor95 at gmail.com> # LG P895 T30
> Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
> ---
>  drivers/misc/Kconfig                  |   2 +
>  drivers/misc/Makefile                 |   1 +
>  drivers/misc/extcon/Kconfig           |   8 ++
>  drivers/misc/extcon/Makefile          |   2 +
>  drivers/misc/extcon/extcon-max14526.c | 153 ++++++++++++++++++++++++++
>  5 files changed, 166 insertions(+)
>  create mode 100644 drivers/misc/extcon/Kconfig
>  create mode 100644 drivers/misc/extcon/Makefile
>  create mode 100644 drivers/misc/extcon/extcon-max14526.c
>
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index 4e1ae03e9f..1b49f3cf72 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -659,4 +659,6 @@ config SL28CPLD
>           the base driver which provides common access methods for the
>           sub-drivers.
>
> +source "drivers/misc/extcon/Kconfig"
> +
>  endmenu
> diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
> index 3b792f2a14..6d4fc8ddf9 100644
> --- a/drivers/misc/Makefile
> +++ b/drivers/misc/Makefile
> @@ -87,3 +87,4 @@ obj-$(CONFIG_K3_AVS0) += k3_avs.o
>  obj-$(CONFIG_ESM_K3) += k3_esm.o
>  obj-$(CONFIG_ESM_PMIC) += esm_pmic.o
>  obj-$(CONFIG_SL28CPLD) += sl28cpld.o
> +obj-y += extcon/
> diff --git a/drivers/misc/extcon/Kconfig b/drivers/misc/extcon/Kconfig
> new file mode 100644
> index 0000000000..99c38224f3
> --- /dev/null
> +++ b/drivers/misc/extcon/Kconfig
> @@ -0,0 +1,8 @@
> +config EXTCON_MAX14526
> +       bool "Maxim MAX14526 EXTCON Support"
> +       select DM_I2C
> +       select DM_MISC
> +       help
> +         If you say yes here you get support for the MUIC device of
> +         Maxim MAX14526. The MAX14526 MUIC is a USB port accessory
> +         detector and switch.
> diff --git a/drivers/misc/extcon/Makefile b/drivers/misc/extcon/Makefile
> new file mode 100644
> index 0000000000..f012b688ce
> --- /dev/null
> +++ b/drivers/misc/extcon/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +obj-$(CONFIG_EXTCON_MAX14526) += extcon-max14526.o
> diff --git a/drivers/misc/extcon/extcon-max14526.c b/drivers/misc/extcon/extcon-max14526.c
> new file mode 100644
> index 0000000000..c8505dae49
> --- /dev/null
> +++ b/drivers/misc/extcon/extcon-max14526.c
> @@ -0,0 +1,153 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (c) 2022 Svyatoslav Ryhel <clamor95 at gmail.com>
> + *
> + * U-boot lacks extcon DM.

In that case I think it is best to add a new uclass for it.

Regards,
Simon