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| author | Marek Vasut <marex@denx.de> | 2014-04-28 03:38:42 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-09-29 09:02:16 +0200 |
| commit | ca11db2603e58cfee8e64931dcc3c87023ecb1cf (patch) | |
| tree | 2e30cfd962c5f2e5d0d496dc5a320b3c006c6095 /board/olimex/mx23_olinuxino | |
| parent | 7c604e98c2213619af6a8c3064418af9b689cf56 (diff) | |
| download | u-boot-imx-ca11db2603e58cfee8e64931dcc3c87023ecb1cf.zip u-boot-imx-ca11db2603e58cfee8e64931dcc3c87023ecb1cf.tar.gz u-boot-imx-ca11db2603e58cfee8e64931dcc3c87023ecb1cf.tar.bz2 | |
arm: mxs: olinuxino: Enable USB only when needed
Enable the power to the USB port only when the USB port is really needed.
Do not enable the power unconditionally.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/olimex/mx23_olinuxino')
| -rw-r--r-- | board/olimex/mx23_olinuxino/mx23_olinuxino.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c b/board/olimex/mx23_olinuxino/mx23_olinuxino.c index e2a03a1..65cbbf1 100644 --- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c +++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c @@ -30,13 +30,25 @@ int board_early_init_f(void) /* SSP0 clock at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); + return 0; +} + #ifdef CONFIG_CMD_USB - /* Enable LAN9512 */ +int board_ehci_hcd_init(int port) +{ + /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1); -#endif + udelay(100); + return 0; +} +int board_ehci_hcd_exit(int port) +{ + /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ + gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0); return 0; } +#endif int dram_init(void) { |