Merge branch 'master' of git://git.denx.de/u-boot-mips

[karo-tx-uboot.git] / drivers / spi / davinci_spi.h

diff --git a/drivers/spi/davinci_spi.h b/drivers/spi/davinci_spi.h
index 33f69b5ca98aac3f3ddb67945dd04df732723b55..d4612d3527e08dc0fb7d4c1bf1c54ea6520f991a 100644 (file)
--- a/drivers/spi/davinci_spi.h
+++ b/drivers/spi/davinci_spi.h
@@ -74,6 +74,39 @@ struct davinci_spi_regs {
 /* SPIDEF */
 #define SPIDEF_CSDEF0_MASK     BIT(0)
 
+#define SPI0_BUS               0
+#define SPI0_BASE              CONFIG_SYS_SPI_BASE
+/*
+ * Define default SPI0_NUM_CS as 1 for existing platforms that uses this
+ * driver. Platform can configure number of CS using CONFIG_SYS_SPI0_NUM_CS
+ * if more than one CS is supported and by defining CONFIG_SYS_SPI0.
+ */
+#ifndef CONFIG_SYS_SPI0
+#define SPI0_NUM_CS            1
+#else
+#define SPI0_NUM_CS            CONFIG_SYS_SPI0_NUM_CS
+#endif
+
+/*
+ * define CONFIG_SYS_SPI1 when platform has spi-1 device (bus #1) and
+ * CONFIG_SYS_SPI1_NUM_CS defines number of CS on this bus
+ */
+#ifdef CONFIG_SYS_SPI1
+#define SPI1_BUS               1
+#define SPI1_NUM_CS            CONFIG_SYS_SPI1_NUM_CS
+#define SPI1_BASE              CONFIG_SYS_SPI1_BASE
+#endif
+
+/*
+ * define CONFIG_SYS_SPI2 when platform has spi-2 device (bus #2) and
+ * CONFIG_SYS_SPI2_NUM_CS defines number of CS on this bus
+ */
+#ifdef CONFIG_SYS_SPI2
+#define SPI2_BUS               2
+#define SPI2_NUM_CS            CONFIG_SYS_SPI2_NUM_CS
+#define SPI2_BASE              CONFIG_SYS_SPI2_BASE
+#endif
+
 struct davinci_spi_slave {
        struct spi_slave slave;
        struct davinci_spi_regs *regs;