diff options
Diffstat (limited to 'src/mainboard/google/pit')
| -rw-r--r-- | src/mainboard/google/pit/devicetree.cb | 2 | ||||
| -rw-r--r-- | src/mainboard/google/pit/mainboard.c | 23 |
2 files changed, 11 insertions, 14 deletions
diff --git a/src/mainboard/google/pit/devicetree.cb b/src/mainboard/google/pit/devicetree.cb index 0c687c41c3..3b6cdb9014 100644 --- a/src/mainboard/google/pit/devicetree.cb +++ b/src/mainboard/google/pit/devicetree.cb @@ -30,6 +30,4 @@ chip cpu/samsung/exynos5420 register "left_margin" = "80" register "right_margin" = "48" register "hsync" = "32" - register "usb_vbus_gpio" = "GPIO_X11" - register "usb_hsic_gpio" = "GPIO_E10" end diff --git a/src/mainboard/google/pit/mainboard.c b/src/mainboard/google/pit/mainboard.c index 9aa8d5cd30..77c54a189f 100644 --- a/src/mainboard/google/pit/mainboard.c +++ b/src/mainboard/google/pit/mainboard.c @@ -36,6 +36,7 @@ #include <cpu/samsung/exynos5420/i2c.h> #include <cpu/samsung/exynos5420/dp.h> #include <cpu/samsung/exynos5420/fimd.h> +#include <cpu/samsung/exynos5420/usb.h> #include <drivers/parade/ps8625/ps8625.h> #include <ec/google/chromeec/ec.h> #include <stdlib.h> @@ -303,7 +304,16 @@ static void backlight_en(void) gpio_direction_output(bl_en, 1); } +static enum exynos5_gpio_pin usb_drd0_vbus = GPIO_H00; +static enum exynos5_gpio_pin usb_drd1_vbus = GPIO_H01; +/* static enum exynos5_gpio_pin hsic_reset_l = GPIO_X24; */ +static void setup_usb(void) +{ + /* HSIC and USB HOST port not needed in firmware on this board */ + gpio_direction_output(usb_drd0_vbus, 1); + gpio_direction_output(usb_drd1_vbus, 1); +} static struct edp_video_info dp_video_info = { .master_mode = 0, @@ -320,16 +330,6 @@ static struct edp_video_info dp_video_info = { #define EXYNOS5420_DP1_BASE 0x145b0000 #define MAX_DP_TRIES 5 -/* - * This function disables the USB3.0 PLL to save power - */ -static void disable_usb30_pll(void) -{ - enum exynos5_gpio_pin usb3_pll_l = GPIO_Y11; - - gpio_direction_output(usb3_pll_l, 0); -} - static void setup_storage(void) { /* MMC0: Fixed, 8 bit mode, connected with GPIO. */ @@ -405,8 +405,7 @@ static void mainboard_init(device_t dev) /* Clock Gating all the unused IP's to save power */ clock_gate(); - /* Disable USB3.0 PLL to save 250mW of power */ - disable_usb30_pll(); + setup_usb(); sdmmc_vdd(); |