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serial: 8250_omap: Add support for AM654 UART controller

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AM654 uses a UART controller that is compatible (partially) with
existing 8250 UART, however, has a few differences with respect to DMA
support and control paths. Introduce a base definition that allows us
to build up the differences in follow on patches.

Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Vignesh R <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nishanth Menon 2018-06-19 14:44:50 -05:00 committed by Greg Kroah-Hartman
parent ccd8350d06
commit be70874498
1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/8250/8250_omap.c
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@ -1115,6 +1115,7 @@ static const u8 am3352_habit = OMAP_DMA_TX_KICK | UART_ERRATA_CLOCK_DISABLE;
static const u8 dra742_habit = UART_ERRATA_CLOCK_DISABLE;
static const struct of_device_id omap8250_dt_ids[] = {
{ .compatible = "ti,am654-uart" },
{ .compatible = "ti,omap2-uart" },
{ .compatible = "ti,omap3-uart" },
{ .compatible = "ti,omap4-uart", .data = &omap4_habit, },