arm: mx50_rdp: add fec support

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

4 files changed, 31 insertions, 2 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index de4fa992fc3e..af8749b04ff1 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -157,6 +157,7 @@ config MACH_MX50_RDP
         select IMX_HAVE_PLATFORM_IMX_UART
         select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
         select IMX_HAVE_PLATFORM_SPI_IMX
+        select IMX_HAVE_PLATFORM_FEC
         help
           Include support for MX50 reference design platform (RDP) board. This
           includes specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx5/board-mx50_rdp.c b/arch/arm/mach-mx5/board-mx50_rdp.c
index e5bb600b4cb2..3180d43aeced 100644
--- a/arch/arm/mach-mx5/board-mx50_rdp.c
+++ b/arch/arm/mach-mx5/board-mx50_rdp.c
@@ -37,6 +37,9 @@
 
 #include "devices-imx50.h"
 
+#define FEC_EN          IMX_GPIO_NR(6, 23)
+#define FEC_RESET_B     IMX_GPIO_NR(4, 12)
+
 static iomux_v3_cfg_t mx50_rdp_pads[] __initdata = {
         /* SD1 */
         MX50_PAD_ECSPI2_SS0__GPIO_4_19,
@@ -102,7 +105,7 @@ static iomux_v3_cfg_t mx50_rdp_pads[] __initdata = {
         MX50_PAD_I2C3_SCL__USBOTG_OC,
 
         MX50_PAD_SSI_RXC__FEC_MDIO,
-        MX50_PAD_SSI_RXC__FEC_MDIO,
+        MX50_PAD_SSI_RXFS__FEC_MDC,
         MX50_PAD_DISP_D0__FEC_TXCLK,
         MX50_PAD_DISP_D1__FEC_RX_ER,
         MX50_PAD_DISP_D2__FEC_RX_DV,
@@ -111,7 +114,6 @@ static iomux_v3_cfg_t mx50_rdp_pads[] __initdata = {
         MX50_PAD_DISP_D5__FEC_TX_EN,
         MX50_PAD_DISP_D6__FEC_TXD1,
         MX50_PAD_DISP_D7__FEC_TXD0,
-        MX50_PAD_SSI_RXFS__FEC_MDC,
         MX50_PAD_I2C3_SDA__GPIO_6_23,
         MX50_PAD_ECSPI1_SCLK__GPIO_4_12,
 
@@ -168,6 +170,20 @@ static const struct imxuart_platform_data uart_pdata __initconst = {
         .flags = IMXUART_HAVE_RTSCTS,
 };
 
+static const struct fec_platform_data fec_data __initconst = {
+        .phy = PHY_INTERFACE_MODE_RMII,
+};
+
+static inline void mx50_rdp_fec_reset(void)
+{
+        gpio_request(FEC_EN, "fec-en");
+        gpio_direction_output(FEC_EN, 0);
+        gpio_request(FEC_RESET_B, "fec-reset_b");
+        gpio_direction_output(FEC_RESET_B, 0);
+        msleep(1);
+        gpio_set_value(FEC_RESET_B, 1);
+}
+
 /*
  * Board specific initialization.
  */
@@ -178,6 +194,8 @@ static void __init mx50_rdp_board_init(void)
 
         imx50_add_imx_uart(0, &uart_pdata);
         imx50_add_imx_uart(1, &uart_pdata);
+        mx50_rdp_fec_reset();
+        imx50_add_fec(&fec_data);
 }
 
 static void __init mx50_rdp_timer_init(void)
diff --git a/arch/arm/mach-mx5/devices-imx50.h b/arch/arm/mach-mx5/devices-imx50.h
index 98ab07468a0e..e1093dbaa786 100644
--- a/arch/arm/mach-mx5/devices-imx50.h
+++ b/arch/arm/mach-mx5/devices-imx50.h
@@ -24,3 +24,8 @@
 extern const struct imx_imx_uart_1irq_data imx50_imx_uart_data[] __initconst;
 #define imx50_add_imx_uart(id, pdata)   \
         imx_add_imx_uart_1irq(&imx50_imx_uart_data[id], pdata)
+
+extern const struct imx_fec_data imx50_fec_data __initconst;
+#define imx50_add_fec(pdata)    \
+        imx_add_fec(&imx50_fec_data, pdata)
+
diff --git a/arch/arm/plat-mxc/devices/platform-fec.c b/arch/arm/plat-mxc/devices/platform-fec.c
index b50c3517d083..4f529964224d 100644
--- a/arch/arm/plat-mxc/devices/platform-fec.c
+++ b/arch/arm/plat-mxc/devices/platform-fec.c
@@ -31,6 +31,11 @@ const struct imx_fec_data imx35_fec_data __initconst =
         imx_fec_data_entry_single(MX35);
 #endif
 
+#ifdef CONFIG_SOC_IMX50
+const struct imx_fec_data imx50_fec_data __initconst =
+        imx_fec_data_entry_single(MX50);
+#endif
+
 #ifdef CONFIG_SOC_IMX51
 const struct imx_fec_data imx51_fec_data __initconst =
         imx_fec_data_entry_single(MX51);