4 files changed, 66 insertions, 2 deletions

diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index ef26951a5275..6e838b857712 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -173,6 +173,7 @@ DEFINE_CLOCK(pwm4_clk,	 0, CCM_CGCR2,  2, get_rate_ipg, NULL);
 DEFINE_CLOCK(kpp_clk,    0, CCM_CGCR1, 28, get_rate_ipg, NULL);
 DEFINE_CLOCK(tsc_clk,    0, CCM_CGCR2, 13, get_rate_ipg, NULL);
 DEFINE_CLOCK(i2c_clk,    0, CCM_CGCR0,  6, get_rate_i2c, NULL);
+DEFINE_CLOCK(fec_clk,    0, CCM_CGCR0, 23, get_rate_ipg, NULL);
 
 #define _REGISTER_CLOCK(d, n, c)        \
         {                               \
@@ -204,6 +205,7 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
         _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
         _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
+        _REGISTER_CLOCK("fec.0", NULL, fec_clk)
 };
 
 int __init mx25_clocks_init(unsigned long fref)
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 63511de3a559..9fdeea1c083b 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -419,3 +419,22 @@ int __init mxc_register_gpios(void)
         return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
 }
 
+static struct resource mx25_fec_resources[] = {
+        {
+                .start  = MX25_FEC_BASE_ADDR,
+                .end    = MX25_FEC_BASE_ADDR + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = MX25_INT_FEC,
+                .end    = MX25_INT_FEC,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mx25_fec_device = {
+        .name   = "fec",
+        .id     = 0,
+        .num_resources  = ARRAY_SIZE(mx25_fec_resources),
+        .resource       = mx25_fec_resources,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index fe6bf88ad1dd..fe5420fcd11f 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -17,3 +17,4 @@ extern struct platform_device mxc_keypad_device;
 extern struct platform_device mxc_i2c_device0;
 extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_i2c_device2;
+extern struct platform_device mx25_fec_device;
diff --git a/arch/arm/mach-mx25/mx25pdk.c b/arch/arm/mach-mx25/mx25pdk.c
index d23ae571c03f..921bc99ea231 100644
--- a/arch/arm/mach-mx25/mx25pdk.c
+++ b/arch/arm/mach-mx25/mx25pdk.c
@@ -18,10 +18,11 @@
 
 #include <linux/types.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
-#include <linux/smsc911x.h>
+#include <linux/fec.h>
 #include <linux/platform_device.h>
 
 #include <mach/hardware.h>
@@ -35,16 +36,57 @@
 #include <mach/mx25.h>
 #include <mach/mxc_nand.h>
 #include "devices.h"
-#include <mach/iomux-v3.h>
+#include <mach/iomux.h>
 
 static struct imxuart_platform_data uart_pdata = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
+static struct pad_desc mx25pdk_pads[] = {
+        MX25_PAD_FEC_MDC__FEC_MDC,
+        MX25_PAD_FEC_MDIO__FEC_MDIO,
+        MX25_PAD_FEC_TDATA0__FEC_TDATA0,
+        MX25_PAD_FEC_TDATA1__FEC_TDATA1,
+        MX25_PAD_FEC_TX_EN__FEC_TX_EN,
+        MX25_PAD_FEC_RDATA0__FEC_RDATA0,
+        MX25_PAD_FEC_RDATA1__FEC_RDATA1,
+        MX25_PAD_FEC_RX_DV__FEC_RX_DV,
+        MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
+        MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
+        MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
+};
+
+static struct fec_platform_data mx25_fec_pdata = {
+        .phy    = PHY_INTERFACE_MODE_RMII,
+};
+
+#define FEC_ENABLE_GPIO         35
+#define FEC_RESET_B_GPIO        104
+
+static void __init mx25pdk_fec_reset(void)
+{
+        gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
+        gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
+
+        gpio_direction_output(FEC_ENABLE_GPIO, 0);  /* drop PHY power */
+        gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
+        udelay(2);
+
+        /* turn on PHY power and lift reset */
+        gpio_set_value(FEC_ENABLE_GPIO, 1);
+        gpio_set_value(FEC_RESET_B_GPIO, 1);
+}
+
 static void __init mx25pdk_init(void)
 {
+        mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
+                        ARRAY_SIZE(mx25pdk_pads));
+
         mxc_register_device(&mxc_uart_device0, &uart_pdata);
         mxc_register_device(&mxc_usbh2, NULL);
+
+        mx25pdk_fec_reset();
+        mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
 }
 
 static void __init mx25pdk_timer_init(void)