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linux
linux-davinci
Commits
e71fbaf7
Commit
e71fbaf7
authored
Dec 21, 2009
by
Baruch Siach
Committed by
Sascha Hauer
Jan 04, 2010
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mx25: pdk: add platform code for FEC support
Signed-off-by:
Sascha Hauer
<
s.hauer@pengutronix.de
>
parent
a759544f
Changes
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-2
arch/arm/mach-mx25/mx25pdk.c
arch/arm/mach-mx25/mx25pdk.c
+44
-2
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arch/arm/mach-mx25/mx25pdk.c
View file @
e71fbaf7
...
...
@@ -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
)
...
...
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