Unverified Commit 8f836868 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Mark Brown
Browse files

spi: sh-msiof: Document frame start sync pulse mode 



Unused, but nice to have it documented.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/3d3acaab4a4125106a0655d28c09c050341c5eeb.1747401908.git.geert+renesas@glider.be


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent acb47aa9

drivers/spi/spi-sh-msiof.c

+1 −0
Original line number Diff line number Diff line
@@ -86,6 +86,7 @@ struct sh_msiof_spi_priv { 
/* SITMDR1 and SIRMDR1 */

#define SIMDR1_TRMD		BIT(31)		/* Transfer Mode (1 = Master mode) */

#define SIMDR1_SYNCMD		GENMASK(29, 28)	/* SYNC Mode */

#define SIMDR1_SYNCMD_PULSE	0U		/*   Frame start sync pulse */

#define SIMDR1_SYNCMD_SPI	2U		/*   Level mode/SPI */

#define SIMDR1_SYNCMD_LR	3U		/*   L/R mode */

#define SIMDR1_SYNCAC		BIT(25)		/* Sync Polarity (1 = Active-low) */