This patch adds devicetree support to the mcfuart.c driver.
Signed-off-by: Angelo Dureghello angelo@sysam.it --- drivers/serial/mcfuart.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/serial/mcfuart.c b/drivers/serial/mcfuart.c index 1371049de2..5896a19805 100644 --- a/drivers/serial/mcfuart.c +++ b/drivers/serial/mcfuart.c @@ -5,6 +5,9 @@ * * Modified to add device model (DM) support * (C) Copyright 2015 Angelo Dureghello angelo@sysam.it + * + * Modified to add fdt support + * (C) Copyright 2018 Angelo Dureghello angelo@sysam.it */
/* @@ -212,6 +215,23 @@ static int coldfire_serial_pending(struct udevice *dev, bool input) return 0; }
+static int coldfire_ofdata_to_platdata(struct udevice *dev) +{ + struct coldfire_serial_platdata *plat = dev_get_platdata(dev); + fdt_addr_t addr_base; + + addr_base = devfdt_get_addr(dev); + if (addr_base == FDT_ADDR_T_NONE) + return -ENODEV; + + plat->base = (uint32_t)addr_base; + + plat->port = dev->seq; + plat->baudrate = gd->baudrate; + + return 0; +} + static const struct dm_serial_ops coldfire_serial_ops = { .putc = coldfire_serial_putc, .pending = coldfire_serial_pending, @@ -219,9 +239,17 @@ static const struct dm_serial_ops coldfire_serial_ops = { .setbrg = coldfire_serial_setbrg, };
+static const struct udevice_id coldfire_serial_ids[] = { + { .compatible = "fsl,mcf-uart" }, + { } +}; + U_BOOT_DRIVER(serial_coldfire) = { .name = "serial_coldfire", .id = UCLASS_SERIAL, + .of_match = coldfire_serial_ids, + .ofdata_to_platdata = coldfire_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct coldfire_serial_platdata), .probe = coldfire_serial_probe, .ops = &coldfire_serial_ops, .flags = DM_FLAG_PRE_RELOC,