ARM: mach-shmobile: kzm9g: add SMSC 9221 support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index 55dad87926d5..a46aec1ddb44 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -20,6 +20,8 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/smsc911x.h>
+#include <mach/irqs.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
 #include <asm/hardware/cache-l2x0.h>
@@ -27,7 +29,37 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+/* SMSC 9221 */
+static struct resource smsc9221_resources[] = {
+        [0] = {
+                .start  = 0x10000000, /* CS4 */
+                .end    = 0x100000ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = intcs_evt2irq(0x260), /* IRQ3 */
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct smsc911x_platform_config smsc9221_platdata = {
+        .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
+        .phy_interface  = PHY_INTERFACE_MODE_MII,
+        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+        .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device smsc_device = {
+        .name           = "smsc911x",
+        .dev  = {
+                .platform_data = &smsc9221_platdata,
+        },
+        .resource       = smsc9221_resources,
+        .num_resources  = ARRAY_SIZE(smsc9221_resources),
+};
+
 static struct platform_device *kzm_devices[] __initdata = {
+        &smsc_device,
 };
 
 static void __init kzm_init(void)
@@ -40,6 +72,13 @@ static void __init kzm_init(void)
         gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
         gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
 
+        /* CS4 for SMSC/USB */
+        gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */
+
+        /* SMSC */
+        gpio_request(GPIO_PORT224, NULL); /* IRQ3 */
+        gpio_direction_input(GPIO_PORT224);
+
 #ifdef CONFIG_CACHE_L2X0
         /* Early BRESP enable, Shared attribute override enable, 64K*8way */
         l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);