ARM: OMAP2+: Add quirks support for n8x0

This allows us to keep things working when booted with
device tree. Note that we still need to initialize most
things with platform data as the drivers are lacking
support for device tree.

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 21 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index c9eef2b..99dd184 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -529,7 +529,7 @@ static void n8x0_mmc_cleanup(struct device *dev)
  * MMC controller2 is not in use.
  */
 static struct omap_mmc_platform_data mmc1_data = {
-	.nr_slots			= 2,
+	.nr_slots			= 0,
 	.switch_slot			= n8x0_mmc_switch_slot,
 	.init				= n8x0_mmc_late_init,
 	.cleanup			= n8x0_mmc_cleanup,
@@ -596,12 +596,13 @@ static void __init n8x0_mmc_init(void)
 		}
 	}
 
+	mmc1_data.nr_slots = 2;
 	mmc_data[0] = &mmc1_data;
 	if (!of_have_populated_dt())
 		omap242x_init_mmc(mmc_data);
 }
 #else
-
+static struct omap_mmc_platform_data mmc1_data;
 void __init n8x0_mmc_init(void)
 {
 }
@@ -746,6 +747,24 @@ static int __init n8x0_late_initcall(void)
 }
 omap_late_initcall(n8x0_late_initcall);
 
+/*
+ * Legacy init pdata init for n8x0. Note that we want to follow the
+ * I2C bus numbering starting at 0 for device tree like other omaps.
+ */
+void * __init n8x0_legacy_init(void)
+{
+	board_check_revision();
+	spi_register_board_info(n800_spi_board_info,
+				ARRAY_SIZE(n800_spi_board_info));
+	i2c_register_board_info(0, n8x0_i2c_board_info_1,
+				ARRAY_SIZE(n8x0_i2c_board_info_1));
+	if (board_is_n810())
+		i2c_register_board_info(1, n810_i2c_board_info_2,
+					ARRAY_SIZE(n810_i2c_board_info_2));
+
+	return &mmc1_data;
+}
+
 static void __init n8x0_init_machine(void)
 {
 	board_check_revision();