diff --git a/src/soc/nvidia/tegra124/spi.h b/src/soc/nvidia/tegra124/spi.h
index 7ead772977..ca9fdd7e72 100644
--- a/src/soc/nvidia/tegra124/spi.h
+++ b/src/soc/nvidia/tegra124/spi.h
@@ -49,6 +49,12 @@ enum spi_xfer_mode {
 struct tegra_spi_channel {
 	struct spi_slave slave;
 	struct tegra_spi_regs *regs;
+
+	/* stuff that is specific to the attached device */
+	int rx_frame_header_enable;
+	u8 frame_header;
+
+	/* context (used internally) */
 	u8 *in_buf, *out_buf;
 	struct apb_dma_channel *dma_out, *dma_in;
 	enum spi_xfer_mode xfer_mode;