[PATCH 20/22] spi: sh-msiof: Document frame start sync pulse mode

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Unused, but nice to have it documented.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 drivers/spi/spi-sh-msiof.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 4d9a44118e1c9d6c..5d9d551dbd220389 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -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) */
-- 
2.43.0





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