ARM i.MX53: enable fec driver on EVK board

1. Adjust FEC base address name to fit macro definition
2. Add platform data and reset function for FEC

Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index fa97d0d5dd05..8a744ae09f6f 100644
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -21,6 +21,9 @@
 
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/fec.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -29,6 +32,8 @@
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx53.h>
 
+#define SMD_FEC_PHY_RST         IMX_GPIO_NR(7, 6)
+
 #include "crm_regs.h"
 #include "devices-imx53.h"
 
@@ -60,11 +65,33 @@ static inline void mx53_evk_init_uart(void)
         imx53_add_imx_uart(2, &mx53_evk_uart_pdata);
 }
 
+static inline void mx53_evk_fec_reset(void)
+{
+        int ret;
+
+        /* reset FEC PHY */
+        ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");
+        if (ret) {
+                printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
+                return;
+        }
+        gpio_direction_output(SMD_FEC_PHY_RST, 0);
+        gpio_set_value(SMD_FEC_PHY_RST, 0);
+        msleep(1);
+        gpio_set_value(SMD_FEC_PHY_RST, 1);
+}
+
+static struct fec_platform_data mx53_evk_fec_pdata = {
+        .phy = PHY_INTERFACE_MODE_RMII,
+};
+
 static void __init mx53_evk_board_init(void)
 {
         mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
                                         ARRAY_SIZE(mx53_evk_pads));
         mx53_evk_init_uart();
+        mx53_evk_fec_reset();
+        imx53_add_fec(&mx53_evk_fec_pdata);
 }
 
 static void __init mx53_evk_timer_init(void)
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index 9d0ec2507fa6..dbf1989b451d 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -8,6 +8,10 @@
 #include <mach/mx53.h>
 #include <mach/devices-common.h>
 
+extern const struct imx_fec_data imx53_fec_data __initconst;
+#define imx53_add_fec(pdata)   \
+        imx_add_fec(&imx53_fec_data, pdata)
+
 extern const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst;
 #define imx53_add_imx_uart(id, pdata)   \
         imx_add_imx_uart_1irq(&imx53_imx_uart_data[id], pdata)