[PATCH v1 02/10] serial: atmel: add lan9696 (Microchip LAN969X) support
Marco Felsch
m.felsch at pengutronix.de
Fri Jun 12 05:49:22 PDT 2026
On 26-06-12, Oleksij Rempel wrote:
> Allow building the Atmel USART driver on Microchip LAN969X (ARCH_MICROCHIP)
> in addition to ARCH_AT91, and match the new "microchip,lan9691-usart"
> compatible alongside the existing AT91 variants.
>
> Signed-off-by: Oleksij Rempel <o.rempel at pengutronix.de>
> ---
> drivers/serial/Kconfig | 10 +++++++---
> drivers/serial/atmel.c | 3 ++-
> 2 files changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
> index 6ac1d94526c2..15cbdafcffcc 100644
> --- a/drivers/serial/Kconfig
> +++ b/drivers/serial/Kconfig
> @@ -90,9 +90,13 @@ config DRIVER_SERIAL_NS16550_OMAP_TTYS
> used.
>
> config DRIVER_SERIAL_ATMEL
> - depends on ARCH_AT91
> - default y
> - bool "Atmel serial driver"
> + bool "Atmel USART support"
> + depends on ARCH_AT91 || ARCH_MICROCHIP
> + default y if ARCH_AT91
Just keep 'default y'?
Regards,
Marco
> + help
> + This enables the driver for the on-chip UARTs of Atmel/Microchip
> + AT91, SAMA5, and LAN969X SoC families. The driver supports device
> + tree configuration and clock framework integration.
>
> config DRIVER_SERIAL_NS16550_PCI
> depends on DRIVER_SERIAL_NS16550
> diff --git a/drivers/serial/atmel.c b/drivers/serial/atmel.c
> index 2dcb458fbd30..13747ef8201b 100644
> --- a/drivers/serial/atmel.c
> +++ b/drivers/serial/atmel.c
> @@ -442,8 +442,9 @@ static int atmel_serial_probe(struct device *dev)
> }
>
> static const struct of_device_id __maybe_unused atmel_serial_dt_ids[] = {
> - { .compatible = "atmel,at91rm9200-usart" },
> + { .compatible = "microchip,lan9691-usart" },
> { .compatible = "atmel,at91sam9260-usart" },
> + { .compatible = "atmel,at91rm9200-usart" },
> { /* sentinel */ }
> };
> MODULE_DEVICE_TABLE(of, atmel_serial_dt_ids);
> --
> 2.47.3
>
>
>
--
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