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Diffstat (limited to 'arch/arm/mach-mx25/mx25pdk.c')
-rw-r--r--arch/arm/mach-mx25/mx25pdk.c46
1 files changed, 44 insertions, 2 deletions
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 @@
18 18
19#include <linux/types.h> 19#include <linux/types.h>
20#include <linux/init.h> 20#include <linux/init.h>
21#include <linux/delay.h>
21#include <linux/clk.h> 22#include <linux/clk.h>
22#include <linux/irq.h> 23#include <linux/irq.h>
23#include <linux/gpio.h> 24#include <linux/gpio.h>
24#include <linux/smsc911x.h> 25#include <linux/fec.h>
25#include <linux/platform_device.h> 26#include <linux/platform_device.h>
26 27
27#include <mach/hardware.h> 28#include <mach/hardware.h>
@@ -35,16 +36,57 @@
35#include <mach/mx25.h> 36#include <mach/mx25.h>
36#include <mach/mxc_nand.h> 37#include <mach/mxc_nand.h>
37#include "devices.h" 38#include "devices.h"
38#include <mach/iomux-v3.h> 39#include <mach/iomux.h>
39 40
40static struct imxuart_platform_data uart_pdata = { 41static struct imxuart_platform_data uart_pdata = {
41 .flags = IMXUART_HAVE_RTSCTS, 42 .flags = IMXUART_HAVE_RTSCTS,
42}; 43};
43 44
45static struct pad_desc mx25pdk_pads[] = {
46 MX25_PAD_FEC_MDC__FEC_MDC,
47 MX25_PAD_FEC_MDIO__FEC_MDIO,
48 MX25_PAD_FEC_TDATA0__FEC_TDATA0,
49 MX25_PAD_FEC_TDATA1__FEC_TDATA1,
50 MX25_PAD_FEC_TX_EN__FEC_TX_EN,
51 MX25_PAD_FEC_RDATA0__FEC_RDATA0,
52 MX25_PAD_FEC_RDATA1__FEC_RDATA1,
53 MX25_PAD_FEC_RX_DV__FEC_RX_DV,
54 MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
55 MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
56 MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
57};
58
59static struct fec_platform_data mx25_fec_pdata = {
60 .phy = PHY_INTERFACE_MODE_RMII,
61};
62
63#define FEC_ENABLE_GPIO 35
64#define FEC_RESET_B_GPIO 104
65
66static void __init mx25pdk_fec_reset(void)
67{
68 gpio_request(FEC_ENABLE_GPIO, "FEC PHY enable");
69 gpio_request(FEC_RESET_B_GPIO, "FEC PHY reset");
70
71 gpio_direction_output(FEC_ENABLE_GPIO, 0); /* drop PHY power */
72 gpio_direction_output(FEC_RESET_B_GPIO, 0); /* assert reset */
73 udelay(2);
74
75 /* turn on PHY power and lift reset */
76 gpio_set_value(FEC_ENABLE_GPIO, 1);
77 gpio_set_value(FEC_RESET_B_GPIO, 1);
78}
79
44static void __init mx25pdk_init(void) 80static void __init mx25pdk_init(void)
45{ 81{
82 mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
83 ARRAY_SIZE(mx25pdk_pads));
84
46 mxc_register_device(&mxc_uart_device0, &uart_pdata); 85 mxc_register_device(&mxc_uart_device0, &uart_pdata);
47 mxc_register_device(&mxc_usbh2, NULL); 86 mxc_register_device(&mxc_usbh2, NULL);
87
88 mx25pdk_fec_reset();
89 mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
48} 90}
49 91
50static void __init mx25pdk_timer_init(void) 92static void __init mx25pdk_timer_init(void)