diff --git a/drivers/input/touchscreen/fsl-imx25-tcq.c b/drivers/input/touchscreen/fsl-imx25-tcq.c
index 60a7246c5157..a32708652d10 100644
--- a/drivers/input/touchscreen/fsl-imx25-tcq.c
+++ b/drivers/input/touchscreen/fsl-imx25-tcq.c
@@ -38,7 +38,7 @@ struct mx25_tcq_priv {
 	struct device *dev;
 };
 
-static struct regmap_config mx25_tcq_regconfig = {
+static const struct regmap_config mx25_tcq_regconfig = {
 	.fast_io = true,
 	.max_register = 0x5c,
 	.reg_bits = 32,