I2C: OMAP1/OMAP2+: create omap I2C functionality flags for each cpu_... test
authorAndy Green <andy@warmcat.com>
Sun, 10 Jul 2011 11:27:15 +0000 (05:27 -0600)
committerPaul Walmsley <paul@pwsan.com>
Sun, 10 Jul 2011 11:27:15 +0000 (05:27 -0600)
These represent the 8 kinds of implementation functionality
that up until now were inferred by the 16 remaining cpu_...()
tests in the omap i2c driver.

Changed to use BIT() as suggested by Balaji T Krishnamoorthy.

Cc: patches@linaro.org
Cc: Ben Dooks <ben-linux@fluff.org>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andy Green <andy.green@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
include/linux/i2c-omap.h

index 701886da76c7880b4ecaeaa8165b1114e9c264a8..0aa0cbd676f773caae994e24c39df3f9241fb066 100644 (file)
 #define OMAP_I2C_IP_VERSION_1 1
 #define OMAP_I2C_IP_VERSION_2 2
 
+/* struct omap_i2c_bus_platform_data .flags meanings */
+
+#define OMAP_I2C_FLAG_NO_FIFO                  BIT(0)
+#define OMAP_I2C_FLAG_SIMPLE_CLOCK             BIT(1)
+#define OMAP_I2C_FLAG_16BIT_DATA_REG           BIT(2)
+#define OMAP_I2C_FLAG_RESET_REGS_POSTIDLE      BIT(3)
+#define OMAP_I2C_FLAG_APPLY_ERRATA_I207        BIT(4)
+#define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK        BIT(5)
+#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK      BIT(6)
+/* how the CPU address bus must be translated for I2C unit access */
+#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0
+#define OMAP_I2C_FLAG_BUS_SHIFT_1              BIT(7)
+#define OMAP_I2C_FLAG_BUS_SHIFT_2              BIT(8)
+#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7
+
 struct omap_i2c_bus_platform_data {
        u32             clkrate;
        void            (*set_mpu_wkup_lat)(struct device *dev, long set);