include: drivers: spi.h: Get bit ordering from DT

decsny · decsny · commit e70595998bb7 · 2025-08-05T15:57:16.000-05:00
Get bit ordering from DT property in SPI_CONFIG_DT.

More precisely, set LSB first if set in DT.

Signed-off-by: Declan Snyder &lt;declan.snyder@nxp.com&gt;
diff --git a/include/zephyr/drivers/spi.h b/include/zephyr/drivers/spi.h
@@ -480,6 +480,7 @@ struct spi_config {
 			COND_CODE_1(DT_PROP(node_id, spi_cpol), SPI_MODE_CPOL, (0)) |	\
 			COND_CODE_1(DT_PROP(node_id, spi_cpha), SPI_MODE_CPHA, (0)) |	\
 			COND_CODE_1(DT_PROP(node_id, spi_hold_cs), SPI_HOLD_ON_CS, (0)),	\
+			COND_CODE_1(DT_PROP(node_id, spi_lsb_first), SPI_TRANSFER_LSB, (0)),	\
 		.slave = DT_REG_ADDR(node_id),				\
 		.cs = SPI_CS_CONTROL_INIT(node_id),			\
 	}

Original file line number	Diff line number	Diff line change
`@@ -480,6 +480,7 @@ struct spi_config {`
`480`	`480`	`COND_CODE_1(DT_PROP(node_id, spi_cpol), SPI_MODE_CPOL, (0)) \| \`
`481`	`481`	`COND_CODE_1(DT_PROP(node_id, spi_cpha), SPI_MODE_CPHA, (0)) \| \`
`482`	`482`	`COND_CODE_1(DT_PROP(node_id, spi_hold_cs), SPI_HOLD_ON_CS, (0)), \`
	`483`	`+ COND_CODE_1(DT_PROP(node_id, spi_lsb_first), SPI_TRANSFER_LSB, (0)), \`
`483`	`484`	`.slave = DT_REG_ADDR(node_id), \`
`484`	`485`	`.cs = SPI_CS_CONTROL_INIT(node_id), \`
`485`	`486`	`}`