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authorYong Shen <yong.shen@freescale.com>2011-01-07 05:25:32 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-07 15:20:53 +0100
commit639047677b2fc931d6874807a7b596a236071015 (patch)
tree639982d5f3e9b1ada971e7b4697dcc36f268e373 /arch/arm/mach-mx5
parentarm: mxc: move IOMUX_CONFIG_SION definition to iomux-v3.h (diff)
downloadlinux-639047677b2fc931d6874807a7b596a236071015.tar.xz
linux-639047677b2fc931d6874807a7b596a236071015.zip
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>
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/board-mx53_evk.c27
-rw-r--r--arch/arm/mach-mx5/devices-imx53.h4
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)