When kernel config with big endian mode, spi master need
to config regmap data value to be little endian mode. Or else,
the kernel boot will hang.

Signed-off-by: Po Liu <po....@nxp.com>
---
 drivers/spi/spi-fsl-dspi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 39412c9..a1d893c 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -637,6 +637,9 @@ static const struct regmap_config dspi_regmap_config = {
        .val_bits = 32,
        .reg_stride = 4,
        .max_register = 0x88,
+#ifdef CONFIG_CPU_BIG_ENDIAN
+       .val_format_endian = REGMAP_ENDIAN_LITTLE,
+#endif
 };
 
 static int dspi_probe(struct platform_device *pdev)
-- 
2.1.0.27.g96db324

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