spi: exynos: Support word transfers

[platform/kernel/u-boot.git] / arch / arm / include / asm / arch-exynos / spi.h

diff --git a/arch/arm/include/asm/arch-exynos/spi.h b/arch/arm/include/asm/arch-exynos/spi.h
index fb23aa6..147c1a7 100644 (file)
--- a/arch/arm/include/asm/arch-exynos/spi.h
+++ b/arch/arm/include/asm/arch-exynos/spi.h
@@ -22,7 +22,7 @@ struct exynos_spi {
        unsigned int            rx_data;        /* 0x1c */
        unsigned int            pkt_cnt;        /* 0x20 */
        unsigned char           reserved2[4];
-       unsigned char           reserved3[4];
+       unsigned int            swap_cfg;       /* 0x28 */
        unsigned int            fb_clk;         /* 0x2c */
        unsigned char           padding[0xffd0];
 };
@@ -62,5 +62,14 @@ struct exynos_spi {
 /* Packet Count */
 #define SPI_PACKET_CNT_EN      (1 << 16)
 
+/* Swap config */
+#define SPI_TX_SWAP_EN         (1 << 0)
+#define SPI_TX_BYTE_SWAP       (1 << 2)
+#define SPI_TX_HWORD_SWAP      (1 << 3)
+#define SPI_TX_BYTE_SWAP       (1 << 2)
+#define SPI_RX_SWAP_EN         (1 << 4)
+#define SPI_RX_BYTE_SWAP       (1 << 6)
+#define SPI_RX_HWORD_SWAP      (1 << 7)
+
 #endif /* __ASSEMBLY__ */
 #endif