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authorMagnus Lilja <lilja.magnus@gmail.com>2009-04-14 22:00:07 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2009-05-07 16:18:36 +0200
commit3211705f76cccd52cd3f3c2744aef798bf705702 (patch)
tree211039200927c8d13ba1c55c440c5daae736cfcd
parentc1332616315584d45776a5e664382888513c0fa0 (diff)
i.MX31: Add ethernet support to i.MX31 Litekit board.
This patch adds the SMSC platform device to the Litekit board. Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--arch/arm/mach-mx3/mx31lite.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index abe6ca39853..74734e50de2 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -22,6 +22,9 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/memory.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -34,6 +37,7 @@
#include <mach/board-mx31lite.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
+#include <mach/irqs.h>
#include "devices.h"
/*
@@ -46,12 +50,43 @@ static unsigned int mx31lite_pins[] = {
MX31_PIN_RTS1__RTS1,
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
+ /* LAN9117 IRQ pin */
+ IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
};
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
+static struct smsc911x_platform_config smsc911x_config = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_16BIT,
+};
+
+static struct resource smsc911x_resources[] = {
+ [0] = {
+ .start = CS4_BASE_ADDR,
+ .end = CS4_BASE_ADDR + 0x100,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
+ .end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device smsc911x_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smsc911x_resources),
+ .resource = smsc911x_resources,
+ .dev = {
+ .platform_data = &smsc911x_config,
+ },
+};
+
/*
* This structure defines the MX31 memory map.
*/
@@ -87,6 +122,10 @@ static void __init mxc_board_init(void)
"mx31lite");
mxc_register_device(&mxc_uart_device0, &uart_pdata);
+
+ /* SMSC9117 IRQ pin */
+ gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
+ platform_device_register(&smsc911x_device);
}
static void __init mx31lite_timer_init(void)