ARM: MX3: add lilly-1131 ethernet support

This adds support for the SMSC911x chip found on the lilly-1131 module.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/mx31lilly.c b/arch/arm/mach-mx3/mx31lilly.c
index a7d66cbbb2fe..e5339341c0ba 100644
--- a/arch/arm/mach-mx3/mx31lilly.c
+++ b/arch/arm/mach-mx3/mx31lilly.c
@@ -27,6 +27,9 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/smsc911x.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -46,6 +49,44 @@
  * appropriate baseboard support code.
  */
 
+/* SMSC ethernet support */
+
+static struct resource smsc91x_resources[] = {
+        {
+                .start  = CS4_BASE_ADDR,
+                .end    = CS4_BASE_ADDR + 0xffff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
+                .end    = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
+                .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
+        }
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+        .phy_interface  = PHY_INTERFACE_MODE_MII,
+        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+        .flags          = SMSC911X_USE_32BIT |
+                          SMSC911X_SAVE_MAC_ADDRESS |
+                          SMSC911X_FORCE_INTERNAL_PHY,
+};
+
+static struct platform_device smsc91x_device = {
+        .name           = "smsc911x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(smsc91x_resources),
+        .resource       = smsc91x_resources,
+        .dev            = {
+                .platform_data = &smsc911x_config,
+        }
+};
+
+static struct platform_device *devices[] __initdata = {
+        &smsc91x_device,
+};
+
 static int mx31lilly_baseboard;
 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
 
@@ -61,6 +102,10 @@ static void __init mx31lilly_board_init(void)
                 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
                         mx31lilly_baseboard);
         }
+
+        mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
+
+        platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
 static void __init mx31lilly_timer_init(void)