1 files changed, 32 insertions, 13 deletions

diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index 3341ca4703e9..db071bc71c4d 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -108,6 +108,22 @@ static inline int omap1_i2c_add_bus(int bus_id)
         res[1].start = INT_I2C;
         pdata = &i2c_pdata[bus_id - 1];
 
+        /* all OMAP1 have IP version 1 register set */
+        pdata->rev = OMAP_I2C_IP_VERSION_1;
+
+        /* all OMAP1 I2C are implemented like this */
+        pdata->flags = OMAP_I2C_FLAG_NO_FIFO |
+                       OMAP_I2C_FLAG_SIMPLE_CLOCK |
+                       OMAP_I2C_FLAG_16BIT_DATA_REG |
+                       OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK;
+
+        /* how the cpu bus is wired up differs for 7xx only */
+
+        if (cpu_is_omap7xx())
+                pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_1;
+        else
+                pdata->flags |= OMAP_I2C_FLAG_BUS_SHIFT_2;
+
         return platform_device_register(pdev);
 }
 
@@ -123,21 +139,14 @@ static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t)
         omap_pm_set_max_mpu_wakeup_lat(dev, t);
 }
 
-static struct omap_device_pm_latency omap_i2c_latency[] = {
-        [0] = {
-                .deactivate_func        = omap_device_idle_hwmods,
-                .activate_func          = omap_device_enable_hwmods,
-                .flags                  = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
-        },
-};
-
 static inline int omap2_i2c_add_bus(int bus_id)
 {
         int l;
         struct omap_hwmod *oh;
-        struct omap_device *od;
+        struct platform_device *pdev;
         char oh_name[MAX_OMAP_I2C_HWMOD_NAME_LEN];
         struct omap_i2c_bus_platform_data *pdata;
+        struct omap_i2c_dev_attr *dev_attr;
 
         omap2_i2c_mux_pins(bus_id);
 
@@ -152,6 +161,16 @@ static inline int omap2_i2c_add_bus(int bus_id)
 
         pdata = &i2c_pdata[bus_id - 1];
         /*
+         * pass the hwmod class's CPU-specific knowledge of I2C IP revision in
+         * use, and functionality implementation flags, up to the OMAP I2C
+         * driver via platform data
+         */
+        pdata->rev = oh->class->rev;
+
+        dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr;
+        pdata->flags = dev_attr->flags;
+
+        /*
          * When waiting for completion of a i2c transfer, we need to
          * set a wake up latency constraint for the MPU. This is to
          * ensure quick enough wakeup from idle, when transfer
@@ -160,12 +179,12 @@ static inline int omap2_i2c_add_bus(int bus_id)
          */
         if (cpu_is_omap34xx())
                 pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat;
-        od = omap_device_build(name, bus_id, oh, pdata,
+        pdev = omap_device_build(name, bus_id, oh, pdata,
                         sizeof(struct omap_i2c_bus_platform_data),
-                        omap_i2c_latency, ARRAY_SIZE(omap_i2c_latency), 0);
-        WARN(IS_ERR(od), "Could not build omap_device for %s\n", name);
+                        NULL, 0, 0);
+        WARN(IS_ERR(pdev), "Could not build omap_device for %s\n", name);
 
-        return PTR_ERR(od);
+        return PTR_RET(pdev);
 }
 #else
 static inline int omap2_i2c_add_bus(int bus_id)