#define ATMEL_SPI_VERSION 0x00fc
/* Bits in CR */
-#define ATMEL_SPI_CR_SPIEN (1 << 0)
-#define ATMEL_SPI_CR_SPIDIS (1 << 1)
-#define ATMEL_SPI_CR_SWRST (1 << 7)
-#define ATMEL_SPI_CR_LASTXFER (1 << 24)
+#define ATMEL_SPI_CR_SPIEN BIT(0)
+#define ATMEL_SPI_CR_SPIDIS BIT(1)
+#define ATMEL_SPI_CR_SWRST BIT(7)
+#define ATMEL_SPI_CR_LASTXFER BIT(24)
/* Bits in MR */
-#define ATMEL_SPI_MR_MSTR (1 << 0)
-#define ATMEL_SPI_MR_PS (1 << 1)
-#define ATMEL_SPI_MR_PCSDEC (1 << 2)
-#define ATMEL_SPI_MR_FDIV (1 << 3)
-#define ATMEL_SPI_MR_MODFDIS (1 << 4)
-#define ATMEL_SPI_MR_WDRBT (1 << 5)
-#define ATMEL_SPI_MR_LLB (1 << 7)
+#define ATMEL_SPI_MR_MSTR BIT(0)
+#define ATMEL_SPI_MR_PS BIT(1)
+#define ATMEL_SPI_MR_PCSDEC BIT(2)
+#define ATMEL_SPI_MR_FDIV BIT(3)
+#define ATMEL_SPI_MR_MODFDIS BIT(4)
+#define ATMEL_SPI_MR_WDRBT BIT(5)
+#define ATMEL_SPI_MR_LLB BIT(7)
#define ATMEL_SPI_MR_PCS(x) (((x) & 15) << 16)
#define ATMEL_SPI_MR_DLYBCS(x) ((x) << 24)
/* Bits in TDR */
#define ATMEL_SPI_TDR_TD(x) (x)
#define ATMEL_SPI_TDR_PCS(x) ((x) << 16)
-#define ATMEL_SPI_TDR_LASTXFER (1 << 24)
+#define ATMEL_SPI_TDR_LASTXFER BIT(24)
/* Bits in SR/IER/IDR/IMR */
-#define ATMEL_SPI_SR_RDRF (1 << 0)
-#define ATMEL_SPI_SR_TDRE (1 << 1)
-#define ATMEL_SPI_SR_MODF (1 << 2)
-#define ATMEL_SPI_SR_OVRES (1 << 3)
-#define ATMEL_SPI_SR_ENDRX (1 << 4)
-#define ATMEL_SPI_SR_ENDTX (1 << 5)
-#define ATMEL_SPI_SR_RXBUFF (1 << 6)
-#define ATMEL_SPI_SR_TXBUFE (1 << 7)
-#define ATMEL_SPI_SR_NSSR (1 << 8)
-#define ATMEL_SPI_SR_TXEMPTY (1 << 9)
-#define ATMEL_SPI_SR_SPIENS (1 << 16)
+#define ATMEL_SPI_SR_RDRF BIT(0)
+#define ATMEL_SPI_SR_TDRE BIT(1)
+#define ATMEL_SPI_SR_MODF BIT(2)
+#define ATMEL_SPI_SR_OVRES BIT(3)
+#define ATMEL_SPI_SR_ENDRX BIT(4)
+#define ATMEL_SPI_SR_ENDTX BIT(5)
+#define ATMEL_SPI_SR_RXBUFF BIT(6)
+#define ATMEL_SPI_SR_TXBUFE BIT(7)
+#define ATMEL_SPI_SR_NSSR BIT(8)
+#define ATMEL_SPI_SR_TXEMPTY BIT(9)
+#define ATMEL_SPI_SR_SPIENS BIT(16)
/* Bits in CSRx */
-#define ATMEL_SPI_CSRx_CPOL (1 << 0)
-#define ATMEL_SPI_CSRx_NCPHA (1 << 1)
-#define ATMEL_SPI_CSRx_CSAAT (1 << 3)
+#define ATMEL_SPI_CSRx_CPOL BIT(0)
+#define ATMEL_SPI_CSRx_NCPHA BIT(1)
+#define ATMEL_SPI_CSRx_CSAAT BIT(3)
#define ATMEL_SPI_CSRx_BITS(x) ((x) << 4)
#define ATMEL_SPI_CSRx_SCBR(x) ((x) << 8)
#define ATMEL_SPI_CSRx_SCBR_MAX 0xff