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| author | Yong Shen <yong.shen@freescale.com> | 2011-01-07 12:25:32 +0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-07 15:20:53 +0100 |
| commit | 639047677b2fc931d6874807a7b596a236071015 (patch) | |
| tree | 639982d5f3e9b1ada971e7b4697dcc36f268e373 /arch/arm/mach-mx5/board-mx53_evk.c | |
| parent | 14c6500e7547704255f94c63fc6016ae5cbed1c9 (diff) | |
| download | kernel_samsung_smdk4412-639047677b2fc931d6874807a7b596a236071015.zip kernel_samsung_smdk4412-639047677b2fc931d6874807a7b596a236071015.tar.gz kernel_samsung_smdk4412-639047677b2fc931d6874807a7b596a236071015.tar.bz2 | |
ARM i.MX53: enable fec driver on EVK board
1. Adjust FEC base address name to fit macro definition
2. Add platform data and reset function for FEC
Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5/board-mx53_evk.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_evk.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c index fa97d0d..8a744ae 100644 --- a/arch/arm/mach-mx5/board-mx53_evk.c +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -21,6 +21,9 @@ #include <linux/init.h> #include <linux/clk.h> +#include <linux/fec.h> +#include <linux/delay.h> +#include <linux/gpio.h> #include <mach/common.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -29,6 +32,8 @@ #include <mach/imx-uart.h> #include <mach/iomux-mx53.h> +#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6) + #include "crm_regs.h" #include "devices-imx53.h" @@ -60,11 +65,33 @@ static inline void mx53_evk_init_uart(void) imx53_add_imx_uart(2, &mx53_evk_uart_pdata); } +static inline void mx53_evk_fec_reset(void) +{ + int ret; + + /* reset FEC PHY */ + ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset"); + if (ret) { + printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); + return; + } + gpio_direction_output(SMD_FEC_PHY_RST, 0); + gpio_set_value(SMD_FEC_PHY_RST, 0); + msleep(1); + gpio_set_value(SMD_FEC_PHY_RST, 1); +} + +static struct fec_platform_data mx53_evk_fec_pdata = { + .phy = PHY_INTERFACE_MODE_RMII, +}; + static void __init mx53_evk_board_init(void) { mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, ARRAY_SIZE(mx53_evk_pads)); mx53_evk_init_uart(); + mx53_evk_fec_reset(); + imx53_add_fec(&mx53_evk_fec_pdata); } static void __init mx53_evk_timer_init(void) |