From: Steve Sakoman <st...@sakoman.com>
Some Overo add-on boards include a second ethernet port. This patch
adds support for that second port.
Signed-off-by: Steve Sakoman <st...@sakoman.com>
---
diff --git a/arch/arm/mach-omap2/board-overo.c
b/arch/arm/mach-omap2/board-overo.c
index 8848c7c..4ceeb56 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -63,6 +63,8 @@
#define OVERO_SMSC911X_CS 5
#define OVERO_SMSC911X_GPIO 176
+#define OVERO_SMSC911X2_CS 4
+#define OVERO_SMSC911X2_GPIO 65
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
@@ -137,6 +139,16 @@ static struct resource overo_smsc911x_resources[] = {
},
};
+static struct resource overo_smsc911x2_resources[] = {
+ {
+ .name = "smsc911x2-memory",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
static struct smsc911x_platform_config overo_smsc911x_config = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
@@ -146,7 +158,7 @@ static struct smsc911x_platform_config
overo_smsc911x_config = {
static struct platform_device overo_smsc911x_device = {
.name = "smsc911x",
- .id = -1,
+ .id = 0,
.num_resources = ARRAY_SIZE(overo_smsc911x_resources),
.resource = overo_smsc911x_resources,
.dev = {
@@ -154,9 +166,26 @@ static struct platform_device overo_smsc911x_device = {
},
};
+static struct platform_device overo_smsc911x2_device = {
+ .name = "smsc911x",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(overo_smsc911x2_resources),
+ .resource = overo_smsc911x2_resources,
+ .dev = {
+ .platform_data = &overo_smsc911x_config,
+ },
+};
+
+static struct platform_device *smsc911x_devices[] = {
+ &overo_smsc911x_device,
+ &overo_smsc911x2_device,
+};
+
static inline void __init overo_init_smsc911x(void)
{
- unsigned long cs_mem_base;
+ unsigned long cs_mem_base, cs_mem_base2;
+
+ /* set up first smsc911x chip */
if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
@@ -177,7 +206,28 @@ static inline void __init overo_init_smsc911x(void)
overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
overo_smsc911x_resources[1].end = 0;
- platform_device_register(&overo_smsc911x_device);
+ /* set up second smsc911x chip */
+
+ if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
+ printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
+ return;
+ }
+
+ overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
+ overo_smsc911x2_resources[0].end = cs_mem_base2 + 0xff;
+
+ if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
+ (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
+ gpio_export(OVERO_SMSC911X2_GPIO, 0);
+ } else {
+ printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
+ return;
+ }
+
+ overo_smsc911x2_resources[1].start =
OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
+ overo_smsc911x2_resources[1].end = 0;
+
+ platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
}
#else
--
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