[U-Boot] [PATCH 1/2] drivers: spi: Add commands for Micron SPI

Vladimir Olovyannikov vladimir.olovyannikov at broadcom.com
Fri Nov 22 23:09:38 UTC 2019


Add commands for dual and quad SPI transfers on Micon SPI.

Signed-off-by: Corneliu Doban <corneliu.doban at broadcom.com>
Signed-off-by: Vladimir Olovyannikov <vladimir.olovyannikov at broadcom.com>
---
 include/spi.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/spi.h b/include/spi.h
index 6fbb4336ce..ae36835e95 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -30,6 +30,10 @@
 #define SPI_RX_SLOW	BIT(11)			/* receive with 1 wire slow */
 #define SPI_RX_DUAL	BIT(12)			/* receive with 2 wires */
 #define SPI_RX_QUAD	BIT(13)			/* receive with 4 wires */
+#define SPI_RX_4X	BIT(14)			/*
+						 * addr on 1 wire
+						 * data on 4 wires
+						 */
 
 /* Header byte that marks the start of the message */
 #define SPI_PREAMBLE_END_BYTE	0xec
@@ -115,6 +119,8 @@ struct spi_slave {
 #define SPI_XFER_ONCE		(SPI_XFER_BEGIN | SPI_XFER_END)
 #define SPI_XFER_MMAP		BIT(2)	/* Memory Mapped start */
 #define SPI_XFER_MMAP_END	BIT(3)	/* Memory Mapped End */
+#define SPI_XFER_DUAL		BIT(30)
+#define SPI_XFER_QUAD		BIT(31)
 };
 
 /**
-- 
2.17.1



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