On Fri, Apr 30, 2021 at 02:35:08PM +0200, Robert Marko wrote:
> Delta TN48M CPLD is used as a GPIO expander for the SFP GPIOs.
>
> It is a mix of input only and output only pins.
>
> Since there is no logical GPIO numbering arbitrary one is used
> along dt-bindings to make it humanly readable.
>
> Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
> ---
> drivers/gpio/Kconfig | 12 +++
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-tn48m.c | 191 ++++++++++++++++++++++++++++++++++++++
> drivers/mfd/tn48m-cpld.c | 6 +-
> include/linux/mfd/tn48m.h | 3 +
> 5 files changed, 212 insertions(+), 1 deletion(-)
> create mode 100644 drivers/gpio/gpio-tn48m.c
> +static const struct platform_device_id tn48m_gpio_id_table[] = {
> + { "delta,tn48m-gpio", },
Looks like a compatible, but is not. I think you can drop this and just
use 'tm48m-gpio' (the driver name).
Same for hwmon.
Rob
> + { }
> +};
> +MODULE_DEVICE_TABLE(platform, tn48m_gpio_id_table);
> +
> +static struct platform_driver tn48m_gpio_driver = {
> + .driver = {
> + .name = "tn48m-gpio",
> + },
> + .probe = tn48m_gpio_probe,
> + .id_table = tn48m_gpio_id_table,
> +};
> +module_platform_driver(tn48m_gpio_driver);
