nvmem: imx-ocotp: Add i.MX8MN support

i.MX8MN is a new SoC of i.MX8M series, it is similar to i.MX8MM
in terms of addressing and clock setup, add support for its fuse
read/write.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20190818093345.29647-3-srinivas.kandagatla@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/nvmem/imx-ocotp.c

@@ -479,6 +479,12 @@ static const struct ocotp_params imx8mm_params = {
 	.set_timing = imx_ocotp_set_imx6_timing,
 };
 
+static const struct ocotp_params imx8mn_params = {
+	.nregs = 256,
+	.bank_address_words = 0,
+	.set_timing = imx_ocotp_set_imx6_timing,
+};
+
 static const struct of_device_id imx_ocotp_dt_ids[] = {
 	{ .compatible = "fsl,imx6q-ocotp",  .data = &imx6q_params },
 	{ .compatible = "fsl,imx6sl-ocotp", .data = &imx6sl_params },
@@ -490,6 +496,7 @@ static const struct of_device_id imx_ocotp_dt_ids[] = {
 	{ .compatible = "fsl,imx7ulp-ocotp", .data = &imx7ulp_params },
 	{ .compatible = "fsl,imx8mq-ocotp", .data = &imx8mq_params },
 	{ .compatible = "fsl,imx8mm-ocotp", .data = &imx8mm_params },
+	{ .compatible = "fsl,imx8mn-ocotp", .data = &imx8mn_params },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, imx_ocotp_dt_ids);