[PATCH 4/8] soc: mediatek: pm-domains: Document scpsys_bus_prot_data

[Markus Schneider-Pargmann <msp@baylibre.com>]

Add a short documentation for the fields in struct scpsys_bus_prot_data.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
---
 drivers/soc/mediatek/mtk-pm-domains.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h
index 8aaed1c939d7..da827e91d462 100644
--- a/drivers/soc/mediatek/mtk-pm-domains.h
+++ b/drivers/soc/mediatek/mtk-pm-domains.h
@@ -66,6 +66,18 @@
 				INFRA_TOPAXI_PROTECTEN,		\
 				INFRA_TOPAXI_PROTECTSTA1)
 
+/**
+ * struct scpsys_bus_prot_data - Bus protection setting
+ * @bus_prot_set_clr_mask: Bitmask used for the set and clear registers.
+ * @bus_prot_set: infracfg set register.
+ * @bus_prot_clr: infracfg clear register.
+ * @bus_prot_sta_mask: Bitmask used for the status register.
+ * @bus_prot_sta: infracfg status register.
+ * @bus_prot_reg_update: Only update the register bits given in the mask, do not
+ *			 write the whole register.
+ * @ignore_clk_ack: Ignore the result in the status register for clear
+ *		    operations.
+ */
 struct scpsys_bus_prot_data {
 	u32 bus_prot_set_clr_mask;
 	u32 bus_prot_set;
-- 
2.39.0