diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_babbage.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 60 |
1 files changed, 41 insertions, 19 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index c7b3fabf50f9..e400b09109ce 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -36,11 +36,13 @@ #define BABBAGE_USB_HUB_RESET IMX_GPIO_NR(1, 7) #define BABBAGE_USBH1_STP IMX_GPIO_NR(1, 27) -#define BABBAGE_PHY_RESET IMX_GPIO_NR(2, 5) +#define BABBAGE_USB_PHY_RESET IMX_GPIO_NR(2, 5) #define BABBAGE_FEC_PHY_RESET IMX_GPIO_NR(2, 14) #define BABBAGE_POWER_KEY IMX_GPIO_NR(2, 21) #define BABBAGE_ECSPI1_CS0 IMX_GPIO_NR(4, 24) #define BABBAGE_ECSPI1_CS1 IMX_GPIO_NR(4, 25) +#define BABBAGE_SD2_CD IMX_GPIO_NR(1, 6) +#define BABBAGE_SD2_WP IMX_GPIO_NR(1, 5) /* USB_CTRL_1 */ #define MX51_USB_CTRL_1_OFFSET 0x10 @@ -110,6 +112,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { /* USB HUB reset line*/ MX51_PAD_GPIO1_7__GPIO1_7, + /* USB PHY reset line */ + MX51_PAD_EIM_D21__GPIO2_5, + /* FEC */ MX51_PAD_EIM_EB2__FEC_MDIO, MX51_PAD_EIM_EB3__FEC_RDATA1, @@ -139,6 +144,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { MX51_PAD_SD1_DATA1__SD1_DATA1, MX51_PAD_SD1_DATA2__SD1_DATA2, MX51_PAD_SD1_DATA3__SD1_DATA3, + /* CD/WP from controller */ + MX51_PAD_GPIO1_0__SD1_CD, + MX51_PAD_GPIO1_1__SD1_WP, /* SD 2 */ MX51_PAD_SD2_CMD__SD2_CMD, @@ -147,6 +155,9 @@ static iomux_v3_cfg_t mx51babbage_pads[] = { MX51_PAD_SD2_DATA1__SD2_DATA1, MX51_PAD_SD2_DATA2__SD2_DATA2, MX51_PAD_SD2_DATA3__SD2_DATA3, + /* CD/WP gpio */ + MX51_PAD_GPIO1_6__GPIO1_6, + MX51_PAD_GPIO1_5__GPIO1_5, /* eCSPI1 */ MX51_PAD_CSPI1_MISO__ECSPI1_MISO, @@ -169,34 +180,31 @@ static struct imxi2c_platform_data babbage_hsi2c_data = { .bitrate = 400000, }; +static struct gpio mx51_babbage_usbh1_gpios[] = { + { BABBAGE_USBH1_STP, GPIOF_OUT_INIT_LOW, "usbh1_stp" }, + { BABBAGE_USB_PHY_RESET, GPIOF_OUT_INIT_LOW, "usbh1_phy_reset" }, +}; + static int gpio_usbh1_active(void) { iomux_v3_cfg_t usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO1_27; - iomux_v3_cfg_t phyreset_gpio = MX51_PAD_EIM_D21__GPIO2_5; int ret; /* Set USBH1_STP to GPIO and toggle it */ mxc_iomux_v3_setup_pad(usbh1stp_gpio); - ret = gpio_request(BABBAGE_USBH1_STP, "usbh1_stp"); + ret = gpio_request_array(mx51_babbage_usbh1_gpios, + ARRAY_SIZE(mx51_babbage_usbh1_gpios)); if (ret) { - pr_debug("failed to get MX51_PAD_USBH1_STP__GPIO_1_27: %d\n", ret); + pr_debug("failed to get USBH1 pins: %d\n", ret); return ret; } - gpio_direction_output(BABBAGE_USBH1_STP, 0); - gpio_set_value(BABBAGE_USBH1_STP, 1); - msleep(100); - gpio_free(BABBAGE_USBH1_STP); - - /* De-assert USB PHY RESETB */ - mxc_iomux_v3_setup_pad(phyreset_gpio); - ret = gpio_request(BABBAGE_PHY_RESET, "phy_reset"); - if (ret) { - pr_debug("failed to get MX51_PAD_EIM_D21__GPIO_2_5: %d\n", ret); - return ret; - } - gpio_direction_output(BABBAGE_PHY_RESET, 1); + msleep(100); + gpio_set_value(BABBAGE_USBH1_STP, 1); + gpio_set_value(BABBAGE_USB_PHY_RESET, 1); + gpio_free_array(mx51_babbage_usbh1_gpios, + ARRAY_SIZE(mx51_babbage_usbh1_gpios)); return 0; } @@ -331,6 +339,18 @@ static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = { .num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs), }; +static const struct esdhc_platform_data mx51_babbage_sd1_data __initconst = { + .cd_type = ESDHC_CD_CONTROLLER, + .wp_type = ESDHC_WP_CONTROLLER, +}; + +static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = { + .cd_gpio = BABBAGE_SD2_CD, + .wp_gpio = BABBAGE_SD2_WP, + .cd_type = ESDHC_CD_GPIO, + .wp_type = ESDHC_WP_GPIO, +}; + /* * Board specific initialization. */ @@ -340,6 +360,8 @@ static void __init mx51_babbage_init(void) iomux_v3_cfg_t power_key = _MX51_PAD_EIM_A27__GPIO2_21 | MUX_PAD_CTRL(PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | PAD_CTL_PUS_100K_UP); + imx51_soc_init(); + #if defined(CONFIG_CPU_FREQ_IMX) get_cpu_op = mx51_get_cpu_op; #endif @@ -374,8 +396,8 @@ static void __init mx51_babbage_init(void) mxc_iomux_v3_setup_pad(usbh1stp); babbage_usbhub_reset(); - imx51_add_sdhci_esdhc_imx(0, NULL); - imx51_add_sdhci_esdhc_imx(1, NULL); + imx51_add_sdhci_esdhc_imx(0, &mx51_babbage_sd1_data); + imx51_add_sdhci_esdhc_imx(1, &mx51_babbage_sd2_data); spi_register_board_info(mx51_babbage_spi_board_info, ARRAY_SIZE(mx51_babbage_spi_board_info)); |