Merge tag 'for-5.15/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / drivers / spi / spi-dw.h

diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index faf40cb..b665e04 100644 (file)
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -9,6 +9,7 @@
 #include <linux/io.h>
 #include <linux/scatterlist.h>
 #include <linux/spi/spi-mem.h>
+#include <linux/bitfield.h>
 
 /* Register offsets */
 #define DW_SPI_CTRLR0                  0x00
@@ -41,6 +42,8 @@
 
 /* Bit fields in CTRLR0 */
 #define SPI_DFS_OFFSET                 0
+#define SPI_DFS_MASK                   GENMASK(3, 0)
+#define SPI_DFS32_OFFSET               16
 
 #define SPI_FRF_OFFSET                 4
 #define SPI_FRF_SPI                    0x0
@@ -121,6 +124,7 @@ enum dw_ssi_type {
 #define DW_SPI_CAP_CS_OVERRIDE         BIT(0)
 #define DW_SPI_CAP_KEEMBAY_MST         BIT(1)
 #define DW_SPI_CAP_DWC_SSI             BIT(2)
+#define DW_SPI_CAP_DFS32               BIT(3)
 
 /* Slave spi_transfer/spi_mem_op related */
 struct dw_spi_cfg {
@@ -148,6 +152,7 @@ struct dw_spi {
        unsigned long           paddr;
        int                     irq;
        u32                     fifo_len;       /* depth of the FIFO buffer */
+       unsigned int            dfs_offset;     /* CTRLR0 DFS field offset */
        u32                     max_mem_freq;   /* max mem-ops bus freq */
        u32                     max_freq;       /* max bus freq supported */