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Date: Fri, 22 Apr 2022 19:13:20 +0800 From: Yu Tu <yu.tu@...ogic.com> To: <linux-serial@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-amlogic@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Neil Armstrong <narmstrong@...libre.com>, Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com> CC: Jiri Slaby <jirislaby@...nel.org>, Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Yu Tu <yu.tu@...ogic.com> Subject: [PATCH V3 2/2] tty: serial: meson: Added S4 SOC compatibility 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@...ogic.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); -- 2.33.1
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