]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/powerpc/sysdev/mv64x60_dev.c
[POWERPC] Use default values if necessary in mv64x60 I2C initialization
[linux-2.6-omap-h63xx.git] / arch / powerpc / sysdev / mv64x60_dev.c
index b618fa60aef342f42dad4e845f1d9a73718cfee3..c8d9257f431b089869bebf951c89289e34acd20a 100644 (file)
@@ -127,7 +127,7 @@ static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id)
        if (err)
                return err;
 
-       prop = of_get_property(np, "block-index", NULL);
+       prop = of_get_property(np, "cell-index", NULL);
        if (!prop)
                return -ENODEV;
        port_number = *(int *)prop;
@@ -136,6 +136,7 @@ static int __init mv64x60_mpsc_device_setup(struct device_node *np, int id)
 
        pdata.cache_mgmt = 1; /* All current revs need this set */
 
+       pdata.max_idle = 40; /* default */
        prop = of_get_property(np, "max_idle", NULL);
        if (prop)
                pdata.max_idle = *prop;
@@ -205,30 +206,24 @@ error:
 /*
  * Create mv64x60_eth platform devices
  */
-static int __init eth_register_shared_pdev(struct device_node *np)
+static struct platform_device * __init mv64x60_eth_register_shared_pdev(
+                                               struct device_node *np, int id)
 {
        struct platform_device *pdev;
        struct resource r[1];
        int err;
 
-       np = of_get_parent(np);
-       if (!np)
-               return -ENODEV;
-
        err = of_address_to_resource(np, 0, &r[0]);
-       of_node_put(np);
        if (err)
-               return err;
+               return ERR_PTR(err);
 
-       pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, 0,
+       pdev = platform_device_register_simple(MV643XX_ETH_SHARED_NAME, id,
                                               r, 1);
-       if (IS_ERR(pdev))
-               return PTR_ERR(pdev);
-
-       return 0;
+       return pdev;
 }
 
-static int __init mv64x60_eth_device_setup(struct device_node *np, int id)
+static int __init mv64x60_eth_device_setup(struct device_node *np, int id,
+                                          struct platform_device *shared_pdev)
 {
        struct resource r[1];
        struct mv643xx_eth_platform_data pdata;
@@ -239,16 +234,12 @@ static int __init mv64x60_eth_device_setup(struct device_node *np, int id)
        const phandle *ph;
        int err;
 
-       /* only register the shared platform device the first time through */
-       if (id == 0 && (err = eth_register_shared_pdev(np)))
-               return err;;
-
        memset(r, 0, sizeof(r));
        of_irq_to_resource(np, 0, &r[0]);
 
        memset(&pdata, 0, sizeof(pdata));
 
-       prop = of_get_property(np, "block-index", NULL);
+       prop = of_get_property(np, "reg", NULL);
        if (!prop)
                return -ENODEV;
        pdata.port_number = *prop;
@@ -301,7 +292,7 @@ static int __init mv64x60_eth_device_setup(struct device_node *np, int id)
 
        of_node_put(phy);
 
-       pdev = platform_device_alloc(MV643XX_ETH_NAME, pdata.port_number);
+       pdev = platform_device_alloc(MV643XX_ETH_NAME, id);
        if (!pdev)
                return -ENOMEM;
 
@@ -345,27 +336,17 @@ static int __init mv64x60_i2c_device_setup(struct device_node *np, int id)
 
        memset(&pdata, 0, sizeof(pdata));
 
+       pdata.freq_m = 8;       /* default */
        prop = of_get_property(np, "freq_m", NULL);
-       if (!prop)
-               return -ENODEV;
-       pdata.freq_m = *prop;
+       if (prop)
+               pdata.freq_m = *prop;
 
+       pdata.freq_m = 3;       /* default */
        prop = of_get_property(np, "freq_n", NULL);
-       if (!prop)
-               return -ENODEV;
-       pdata.freq_n = *prop;
-
-       prop = of_get_property(np, "timeout", NULL);
        if (prop)
-               pdata.timeout = *prop;
-       else
-               pdata.timeout = 1000;   /* 1 second */
+               pdata.freq_n = *prop;
 
-       prop = of_get_property(np, "retries", NULL);
-       if (prop)
-               pdata.retries = *prop;
-       else
-               pdata.retries = 1;
+       pdata.timeout = 1000;                           /* default: 1 second */
 
        pdev = platform_device_alloc(MV64XXX_I2C_CTLR_NAME, id);
        if (!pdev)
@@ -390,29 +371,102 @@ error:
        return err;
 }
 
+/*
+ * Create mv64x60_wdt platform devices
+ */
+static int __init mv64x60_wdt_device_setup(struct device_node *np, int id)
+{
+       struct resource r;
+       struct platform_device *pdev;
+       struct mv64x60_wdt_pdata pdata;
+       const unsigned int *prop;
+       int err;
+
+       err = of_address_to_resource(np, 0, &r);
+       if (err)
+               return err;
+
+       memset(&pdata, 0, sizeof(pdata));
+
+       pdata.timeout = 10;                     /* Default: 10 seconds */
+
+       np = of_get_parent(np);
+       if (!np)
+               return -ENODEV;
+
+       prop = of_get_property(np, "clock-frequency", NULL);
+       of_node_put(np);
+       if (!prop)
+               return -ENODEV;
+       pdata.bus_clk = *prop / 1000000; /* wdt driver wants freq in MHz */
+
+       pdev = platform_device_alloc(MV64x60_WDT_NAME, id);
+       if (!pdev)
+               return -ENOMEM;
+
+       err = platform_device_add_resources(pdev, &r, 1);
+       if (err)
+               goto error;
+
+       err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
+       if (err)
+               goto error;
+
+       err = platform_device_add(pdev);
+       if (err)
+               goto error;
+
+       return 0;
+
+error:
+       platform_device_put(pdev);
+       return err;
+}
+
 static int __init mv64x60_device_setup(void)
 {
-       struct device_node *np = NULL;
-       int id;
+       struct device_node *np, *np2;
+       struct platform_device *pdev;
+       int id, id2;
        int err;
 
-       for (id = 0;
-            (np = of_find_compatible_node(np, "serial", "marvell,mpsc")); id++)
-               if ((err = mv64x60_mpsc_device_setup(np, id)))
+       id = 0;
+       for_each_compatible_node(np, "serial", "marvell,mv64360-mpsc")
+               if ((err = mv64x60_mpsc_device_setup(np, id++)))
                        goto error;
 
-       for (id = 0;
-            (np = of_find_compatible_node(np, "network",
-                                          "marvell,mv64x60-eth"));
-            id++)
-               if ((err = mv64x60_eth_device_setup(np, id)))
+       id = 0;
+       id2 = 0;
+       for_each_compatible_node(np, NULL, "marvell,mv64360-eth-group") {
+               pdev = mv64x60_eth_register_shared_pdev(np, id++);
+               if (IS_ERR(pdev)) {
+                       err = PTR_ERR(pdev);
+                       goto error;
+               }
+               for_each_child_of_node(np, np2) {
+                       if (!of_device_is_compatible(np2,
+                                       "marvell,mv64360-eth"))
+                               continue;
+                       err = mv64x60_eth_device_setup(np2, id2++, pdev);
+                       if (err) {
+                               of_node_put(np2);
+                               goto error;
+                       }
+               }
+       }
+
+       id = 0;
+       for_each_compatible_node(np, "i2c", "marvell,mv64360-i2c")
+               if ((err = mv64x60_i2c_device_setup(np, id++)))
                        goto error;
 
-       for (id = 0;
-            (np = of_find_compatible_node(np, "i2c", "marvell,mv64x60-i2c"));
-            id++)
-               if ((err = mv64x60_i2c_device_setup(np, id)))
+       /* support up to one watchdog timer */
+       np = of_find_compatible_node(np, NULL, "marvell,mv64360-wdt");
+       if (np) {
+               if ((err = mv64x60_wdt_device_setup(np, id)))
                        goto error;
+               of_node_put(np);
+       }
 
        return 0;
 
@@ -435,10 +489,10 @@ static int __init mv64x60_add_mpsc_console(void)
        if (!np)
                goto not_mpsc;
 
-       if (!of_device_is_compatible(np, "marvell,mpsc"))
+       if (!of_device_is_compatible(np, "marvell,mv64360-mpsc"))
                goto not_mpsc;
 
-       prop = of_get_property(np, "block-index", NULL);
+       prop = of_get_property(np, "cell-index", NULL);
        if (!prop)
                goto not_mpsc;