summaryrefslogtreecommitdiff
path: root/drivers/serial
diff options
context:
space:
mode:
authorVabhav Sharma <vabhav.sharma@nxp.com>2019-01-31 15:08:10 +0300
committerSimon Glass <sjg@chromium.org>2019-07-11 01:52:58 +0300
commit1edc5688df70ee3ddb692ef3429ac28ed8666a4b (patch)
tree5fdcdd19b232d1c37050785a96a057b1b4db6d25 /drivers/serial
parentca2abb75a086d8b0bdb51689f331ba8f1a146379 (diff)
downloadu-boot-1edc5688df70ee3ddb692ef3429ac28ed8666a4b.tar.xz
drivers: serial: lpuart: Enable Little Endian Support
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>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_lpuart.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c
index a357b00d28..57dd4a72c6 100644
--- a/drivers/serial/serial_lpuart.c
+++ b/drivers/serial/serial_lpuart.c
@@ -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"))