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| author | Igor Grinberg <grinberg@compulab.co.il> | 2014-11-03 11:32:19 +0200 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-11-06 11:04:40 -0500 |
| commit | 959bc1d5fa83eab057f12cb5ef79bd37ec98eb83 (patch) | |
| tree | f8480d45105bb2910684ffb7cb019457e4bd32ec /board/compulab/common | |
| parent | a937fd1682625b1f87b555e2af9117fcb2999d7c (diff) | |
| download | u-boot-imx-959bc1d5fa83eab057f12cb5ef79bd37ec98eb83.zip u-boot-imx-959bc1d5fa83eab057f12cb5ef79bd37ec98eb83.tar.gz u-boot-imx-959bc1d5fa83eab057f12cb5ef79bd37ec98eb83.tar.bz2 | |
omap3: cm-t35: move the USB hub reset code
Extract the USB hub reset code to a common location where it can be
reused by other compulab boards.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/compulab/common')
| -rw-r--r-- | board/compulab/common/common.c | 22 | ||||
| -rw-r--r-- | board/compulab/common/common.h | 13 |
2 files changed, 35 insertions, 0 deletions
diff --git a/board/compulab/common/common.c b/board/compulab/common/common.c index 6d2d7b0..f2ce522 100644 --- a/board/compulab/common/common.c +++ b/board/compulab/common/common.c @@ -8,6 +8,7 @@ #include <common.h> #include <asm/bootm.h> +#include <asm/gpio.h> #include "common.h" #include "eeprom.h" @@ -23,3 +24,24 @@ void cl_print_pcb_info(void) printf("PCB: %u.%u\n", rev_major, rev_minor); } + +#ifdef CONFIG_CMD_USB +int cl_usb_hub_init(int gpio, const char *label) +{ + if (gpio_request(gpio, label)) { + printf("Error: can't obtain GPIO%d for %s", gpio, label); + return -1; + } + + gpio_direction_output(gpio, 0); + udelay(10); + gpio_set_value(gpio, 1); + udelay(1000); + return 0; +} + +void cl_usb_hub_deinit(int gpio) +{ + gpio_free(gpio); +} +#endif diff --git a/board/compulab/common/common.h b/board/compulab/common/common.h index 316ee4c..ffe1ef8 100644 --- a/board/compulab/common/common.h +++ b/board/compulab/common/common.h @@ -9,6 +9,19 @@ #ifndef _CL_COMMON_ #define _CL_COMMON_ +#include <asm/errno.h> + void cl_print_pcb_info(void); +#ifdef CONFIG_CMD_USB +int cl_usb_hub_init(int gpio, const char *label); +void cl_usb_hub_deinit(int gpio); +#else /* !CONFIG_CMD_USB */ +static inline int cl_usb_hub_init(int gpio, const char *label) +{ + return -ENOSYS; +} +static inline void cl_usb_hub_deinit(int gpio) {} +#endif /* CONFIG_CMD_USB */ + #endif /* _CL_COMMON_ */ |