mx25: add support for FEC on i.MX25

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

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)

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,
+};

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;

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__ */