diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
index e57e2a57aa3f..653cff9d9927 100644
--- a/drivers/nvmem/imx-ocotp.c
+++ b/drivers/nvmem/imx-ocotp.c
@@ -346,6 +346,8 @@ static int imx_ocotp_probe(struct platform_device *pdev)
 	imx_ocotp_nvmem_config.dev = dev;
 	imx_ocotp_nvmem_config.priv = priv;
 	priv->config = &imx_ocotp_nvmem_config;
+	if (of_device_is_compatible(pdev->dev.of_node, "fsl,imx7d-ocotp"))
+		imx_ocotp_nvmem_config.read_only = true;
 	nvmem = nvmem_register(&imx_ocotp_nvmem_config);
 
 	if (IS_ERR(nvmem))