From: Neil Armstrong <narmstrong@baylibre.com>
To: Yu Tu <yu.tu@amlogic.com>,
linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>
Cc: Jiri Slaby <jirislaby@kernel.org>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Subject: Re: [PATCH V3 2/2] tty: serial: meson: Added S4 SOC compatibility
Date: Fri, 22 Apr 2022 14:30:20 +0200 [thread overview]
Message-ID: <c4805983-7e07-73cf-39c2-5dc5728029f4@baylibre.com> (raw)
In-Reply-To: <20220422111320.19234-3-yu.tu@amlogic.com>
On 22/04/2022 13:13, Yu Tu wrote:
> Make UART driver compatible with S4 SOC UART. Meanwhile, the S4 SOC
> UART uses 12MHz as the clock source for baud rate calculations.
>
> Signed-off-by: Yu Tu <yu.tu@amlogic.com>
> ---
> drivers/tty/serial/meson_uart.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
> index 58bd2723c004..c748e5dd5348 100644
> --- a/drivers/tty/serial/meson_uart.c
> +++ b/drivers/tty/serial/meson_uart.c
> @@ -790,11 +790,19 @@ static int meson_uart_remove(struct platform_device *pdev)
> return 0;
> }
>
> +static struct meson_uart_data s4_uart_data = {
> + .has_xtal_div2 = true,
> +};
> +
> static const struct of_device_id meson_uart_dt_match[] = {
> { .compatible = "amlogic,meson6-uart" },
> { .compatible = "amlogic,meson8-uart" },
> { .compatible = "amlogic,meson8b-uart" },
> { .compatible = "amlogic,meson-gx-uart" },
> + {
> + .compatible = "amlogic,meson-s4-uart",
> + .data = (void *)&s4_uart_data,
> + },
> { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, meson_uart_dt_match);
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
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next prev parent reply other threads:[~2022-04-22 12:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 11:13 [PATCH V3 0/2] Add q 12MHz internal clock rate to calculate Yu Tu
2022-04-22 11:13 ` [PATCH V3 1/2] tty: serial: meson: Add a 12MHz internal clock rate to calculate baud rate in order to meet the baud rate requirements of special BT modules Yu Tu
2022-04-22 12:30 ` Neil Armstrong
2022-04-22 11:13 ` [PATCH V3 2/2] tty: serial: meson: Added S4 SOC compatibility Yu Tu
2022-04-22 12:30 ` Neil Armstrong [this message]
2022-04-22 12:30 ` [PATCH V3 0/2] Add q 12MHz internal clock rate to calculate Neil Armstrong
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