diff options
| author | Marek Vasut <marex@denx.de> | 2016-12-01 02:06:31 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-12-19 12:26:37 -0500 |
| commit | 0b060eefd951fc111ecb77c7b1932b158e6a4f2c (patch) | |
| tree | e021c5358869fb75c9f6c863e401fc276fdbb6bb /drivers | |
| parent | 79fd9281880974f076c5b4b354b57faa6e0cc146 (diff) | |
serial: 16550: Add Ingenic JZ4780 support
Add compatibility string for the Ingenic JZ4780 SoC, the necessary
UART enable bit into FCR and register shift. Neither are encoded
in the DTS coming from Linux, so we need to support it this way.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/ns16550.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 3130a1d16a..9b423a591d 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -363,6 +363,7 @@ int ns16550_serial_probe(struct udevice *dev) #if CONFIG_IS_ENABLED(OF_CONTROL) enum { PORT_NS16550 = 0, + PORT_JZ4780, }; #endif @@ -370,6 +371,7 @@ enum { int ns16550_serial_ofdata_to_platdata(struct udevice *dev) { struct ns16550_platdata *plat = dev->platdata; + const u32 port_type = dev_get_driver_data(dev); fdt_addr_t addr; struct clk clk; int err; @@ -439,6 +441,8 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) } plat->fcr = UART_FCRVAL; + if (port_type == PORT_JZ4780) + plat->fcr |= UART_FCR_UME; return 0; } @@ -461,6 +465,7 @@ const struct dm_serial_ops ns16550_serial_ops = { static const struct udevice_id ns16550_serial_ids[] = { { .compatible = "ns16550", .data = PORT_NS16550 }, { .compatible = "ns16550a", .data = PORT_NS16550 }, + { .compatible = "ingenic,jz4780-uart", .data = PORT_JZ4780 }, { .compatible = "nvidia,tegra20-uart", .data = PORT_NS16550 }, { .compatible = "snps,dw-apb-uart", .data = PORT_NS16550 }, { .compatible = "ti,omap2-uart", .data = PORT_NS16550 }, |