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-rw-r--r--src/soc/amd/picasso/chip.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/chip.h b/src/soc/amd/picasso/chip.h
index 3320350ee1..0b6596090c 100644
--- a/src/soc/amd/picasso/chip.h
+++ b/src/soc/amd/picasso/chip.h
@@ -177,6 +177,9 @@ struct soc_amd_picasso_config {
* HS400 -> NONE (0x05)
*
* The kernel driver uses a heuristic to determine if HS400 is supported.
+ *
+ * If the eMMC MMIO device is disabled in the devicetree,
+ * fsps_update_emmc_config will set timing to SD_EMMC_DISABLE.
*/
enum {
SD_EMMC_DISABLE,