ARM: OMAP2+: Add support for board specific auxdata quirks

Looks like some boards need to fill in the auxdata before
we call of_platform_populate(). Let's add support for
auxdata quirks like we already have for pdata quirks for
legacy drivers.

Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 25 insertions, 7 deletions

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 39f020c982e8..468e4c1f2976 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -125,7 +125,18 @@ void omap_pcs_legacy_init(int irq, void (*rearm)(void))
         pcs_pdata.rearm = rearm;
 }
 
+/*
+ * Few boards still need auxdata populated before we populate
+ * the dev entries in of_platform_populate().
+ */
+static struct pdata_init auxdata_quirks[] __initdata = {
+        { /* sentinel */ },
+};
+
 struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
+#ifdef CONFIG_MACH_NOKIA_N8X0
+        OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
+#endif
 #ifdef CONFIG_ARCH_OMAP3
         OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
         OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
@@ -137,6 +148,10 @@ struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
         { /* sentinel */ },
 };
 
+/*
+ * Few boards still need to initialize some legacy devices with
+ * platform data until the drivers support device tree.
+ */
 static struct pdata_init pdata_quirks[] __initdata = {
 #ifdef CONFIG_ARCH_OMAP3
         { "nokia,omap3-n900", hsmmc2_internal_input_clk, },
@@ -156,14 +171,8 @@ static struct pdata_init pdata_quirks[] __initdata = {
         { /* sentinel */ },
 };
 
-void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
+static void pdata_quirks_check(struct pdata_init *quirks)
 {
-        struct pdata_init *quirks = pdata_quirks;
-
-        omap_sdrc_init(NULL, NULL);
-        of_platform_populate(NULL, omap_dt_match_table,
-                             omap_auxdata_lookup, NULL);
-
         while (quirks->compatible) {
                 if (of_machine_is_compatible(quirks->compatible)) {
                         if (quirks->fn)
@@ -173,3 +182,12 @@ void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
                 quirks++;
         }
 }
+
+void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
+{
+        omap_sdrc_init(NULL, NULL);
+        pdata_quirks_check(auxdata_quirks);
+        of_platform_populate(NULL, omap_dt_match_table,
+                             omap_auxdata_lookup, NULL);
+        pdata_quirks_check(pdata_quirks);
+}