kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/include/uapi/linux/spi/spidev.h
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@@ -48,6 +48,10 @@
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 #define SPI_TX_QUAD		0x200
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 #define SPI_RX_DUAL		0x400
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 #define SPI_RX_QUAD		0x800
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+#define SPI_CS_WORD		0x1000
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+#define SPI_TX_OCTAL		0x2000
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+#define SPI_RX_OCTAL		0x4000
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+#define SPI_3WIRE_HIZ		0x8000
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 /*---------------------------------------------------------------------------*/
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@@ -66,6 +70,9 @@
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  * @delay_usecs: If nonzero, how long to delay after the last bit transfer
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  *	before optionally deselecting the device before the next transfer.
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  * @cs_change: True to deselect device before starting the next transfer.
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+ * @word_delay_usecs: If nonzero, how long to wait between words within one
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+ *	transfer. This property needs explicit support in the SPI controller,
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+ *	otherwise it is silently ignored.
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  *
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  * This structure is mapped directly to the kernel spi_transfer structure;
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  * the fields have the same meanings, except of course that the pointers
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@@ -100,7 +107,8 @@
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 	__u8		cs_change;
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 	__u8		tx_nbits;
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 	__u8		rx_nbits;
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-	__u16		pad;
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+	__u8		word_delay_usecs;
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+	__u8		pad;
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 	/* If the contents of 'struct spi_ioc_transfer' ever change
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 	 * incompatibly, then the ioctl number (currently 0) must change;