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>
diff --git a/arch/arm/mach-mx3/mx31lilly.c b/arch/arm/mach-mx3/mx31lilly.c
index a7d66cb..e533934 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 @@
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)