diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_efikamx.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_efikamx.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c index f84452f..4b2718b 100644 --- a/arch/arm/mach-mx5/board-mx51_efikamx.c +++ b/arch/arm/mach-mx5/board-mx51_efikamx.c @@ -56,6 +56,10 @@ #define EFIKAMX_SPI_CS0 (3*32 + 24) #define EFIKAMX_SPI_CS1 (3*32 + 25) +/* board 1.1 doesn't have same reset gpio */ +#define EFIKAMX_RESET1_1 (2*32 + 2) +#define EFIKAMX_RESET (0*32 + 4) + /* the pci ids pin have pull up. they're driven low according to board id */ #define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) #define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) @@ -110,6 +114,10 @@ static iomux_v3_cfg_t mx51efikamx_pads[] = { MX51_PAD_CSPI1_SS1__GPIO_4_25, MX51_PAD_CSPI1_RDY__ECSPI1_RDY, MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, + + /* reset */ + MX51_PAD_DI1_PIN13__GPIO_3_2, + MX51_PAD_GPIO_1_4__GPIO_1_4, }; /* Serial ports */ @@ -296,6 +304,14 @@ static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = { .num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs), }; +void mx51_efikamx_reset(void) +{ + if (system_rev == 0x11) + gpio_direction_output(EFIKAMX_RESET1_1, 0); + else + gpio_direction_output(EFIKAMX_RESET, 0); +} + static void __init mxc_board_init(void) { mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, @@ -317,6 +333,14 @@ static void __init mxc_board_init(void) spi_register_board_info(mx51_efikamx_spi_board_info, ARRAY_SIZE(mx51_efikamx_spi_board_info)); imx51_add_ecspi(0, &mx51_efikamx_spi_pdata); + + if (system_rev == 0x11) { + gpio_request(EFIKAMX_RESET1_1, "reset"); + gpio_direction_output(EFIKAMX_RESET1_1, 1); + } else { + gpio_request(EFIKAMX_RESET, "reset"); + gpio_direction_output(EFIKAMX_RESET, 1); + } } static void __init mx51_efikamx_timer_init(void) |