mx25: add support for FEC on i.MX25

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

4 files changed, 26 insertions, 0 deletions

diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index ef26951a527..6e838b85771 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -173,6 +173,7 @@ DEFINE_CLOCK(pwm4_clk,	 0, CCM_CGCR2,  2, get_rate_ipg, NULL);
 DEFINE_CLOCK(kpp_clk,    0, CCM_CGCR1, 28, get_rate_ipg, NULL);
 DEFINE_CLOCK(tsc_clk,    0, CCM_CGCR2, 13, get_rate_ipg, NULL);
 DEFINE_CLOCK(i2c_clk,    0, CCM_CGCR0,  6, get_rate_i2c, NULL);
+DEFINE_CLOCK(fec_clk,    0, CCM_CGCR0, 23, get_rate_ipg, NULL);
 
 #define _REGISTER_CLOCK(d, n, c)        \
         {                               \
@@ -204,6 +205,7 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
         _REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
         _REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
+        _REGISTER_CLOCK("fec.0", NULL, fec_clk)
 };
 
 int __init mx25_clocks_init(unsigned long fref)
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 63511de3a55..9fdeea1c083 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -419,3 +419,22 @@ int __init mxc_register_gpios(void)
         return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
 }
 
+static struct resource mx25_fec_resources[] = {
+        {
+                .start  = MX25_FEC_BASE_ADDR,
+                .end    = MX25_FEC_BASE_ADDR + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = MX25_INT_FEC,
+                .end    = MX25_INT_FEC,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mx25_fec_device = {
+        .name   = "fec",
+        .id     = 0,
+        .num_resources  = ARRAY_SIZE(mx25_fec_resources),
+        .resource       = mx25_fec_resources,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index fe6bf88ad1d..fe5420fcd11 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -17,3 +17,4 @@ extern struct platform_device mxc_keypad_device;
 extern struct platform_device mxc_i2c_device0;
 extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_i2c_device2;
+extern struct platform_device mx25_fec_device;
diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index 91e73814480..854e2dc5848 100644
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -41,4 +41,8 @@
 #define UART1_BASE_ADDR                 0x43f90000
 #define UART2_BASE_ADDR                 0x43f94000
 
+#define MX25_FEC_BASE_ADDR              0x50038000
+
+#define MX25_INT_FEC    57
+
 #endif /* __MACH_MX25_H__ */