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drivers: serial: lpuart: Enable Little Endian Support

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By default LPUART driver with compatible string "fsl,ls1021a-lpuart"
support big-endian mode.On NXP SoC like LS1028A LPUART IP is
little-endian,Added support to Fetch LPUART IP Endianness from lpuart
device-tree node.

Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Vabhav Sharma 2019-01-31 12:08:10 +00:00 committed by Simon Glass
parent ca2abb75a0
commit 1edc5688df
1 changed files with 4 additions and 0 deletions
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4
drivers/serial/serial_lpuart.c
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@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019 NXP
* Copyright 2013 Freescale Semiconductor, Inc.
*/
@ -502,6 +503,9 @@ static int lpuart_serial_ofdata_to_platdata(struct udevice *dev)
plat->reg = (void *)addr;
plat->flags = dev_get_driver_data(dev);
if (fdtdec_get_bool(blob, node, "little-endian"))
plat->flags &= ~LPUART_FLAG_REGMAP_ENDIAN_BIG;
if (!fdt_node_check_compatible(blob, node, "fsl,ls1021a-lpuart"))
plat->devtype = DEV_LS1021A;
else if (!fdt_node_check_compatible(blob, node, "fsl,imx7ulp-lpuart"))