diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3beagle.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3beagle.c | 60 |
1 files changed, 54 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index a4fe8e1ee1b..46d814ab565 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -207,7 +207,7 @@ static struct omap_dss_device beagle_dvi_device = { .driver_name = "generic_dpi_panel", .data = &dvi_panel, .phy.dpi.data_lines = 24, - .reset_gpio = 170, + .reset_gpio = -EINVAL, }; static struct omap_dss_device beagle_tv_device = { @@ -279,6 +279,8 @@ static struct gpio_led gpio_leds[]; static int beagle_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { + int r; + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) { mmc[0].gpio_wp = -EINVAL; } else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) || @@ -299,17 +301,63 @@ static int beagle_twl_gpio_setup(struct device *dev, /* REVISIT: need ehci-omap hooks for external VBUS * power switch and overcurrent detect */ + if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) { + r = gpio_request(gpio + 1, "EHCI_nOC"); + if (!r) { + r = gpio_direction_input(gpio + 1); + if (r) + gpio_free(gpio + 1); + } + if (r) + pr_err("%s: unable to configure EHCI_nOC\n", __func__); + } - gpio_request(gpio + 1, "EHCI_nOC"); - gpio_direction_input(gpio + 1); - - /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ + /* + * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active + * high / others active low) + */ gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR"); - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) + gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1); + else + gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + + /* DVI reset GPIO is different between beagle revisions */ + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) + beagle_dvi_device.reset_gpio = 129; + else + beagle_dvi_device.reset_gpio = 170; /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; + /* + * gpio + 1 on Xm controls the TFP410's enable line (active low) + * gpio + 2 control varies depending on the board rev as follows: + * P7/P8 revisions(prototype): Camera EN + * A2+ revisions (production): LDO (supplies DVI, serial, led blocks) + */ + if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) { + r = gpio_request(gpio + 1, "nDVI_PWR_EN"); + if (!r) { + r = gpio_direction_output(gpio + 1, 0); + if (r) + gpio_free(gpio + 1); + } + if (r) + pr_err("%s: unable to configure nDVI_PWR_EN\n", + __func__); + r = gpio_request(gpio + 2, "DVI_LDO_EN"); + if (!r) { + r = gpio_direction_output(gpio + 2, 1); + if (r) + gpio_free(gpio + 2); + } + if (r) + pr_err("%s: unable to configure DVI_LDO_EN\n", + __func__); + } + return 0; } |