diff options
| author | Fabio Estevam <festevam@gmail.com> | 2011-05-28 15:54:36 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-07-07 09:59:56 +0200 |
| commit | 72370a5cc28f9efc94a4d7d7dff2ebcb76139088 (patch) | |
| tree | 9d7acd5a8b04ca565f81bf1a7a97ec2f68bef95b /arch/arm | |
| parent | ARM: mx5/mx51_babbage: Move GPIO initialization for USB PHY Reset line to com... (diff) | |
| download | linux-72370a5cc28f9efc94a4d7d7dff2ebcb76139088.tar.xz linux-72370a5cc28f9efc94a4d7d7dff2ebcb76139088.zip | |
ARM: mx5/mx51_babbage: Use gpio_request_array for USBH1 pins
Instead of using gpio_request followed by gpio_direction_output use gpio_request_array
when requesting multiple pins.
Also fixed the location of the delay for the reset and make the BABBAGE_USB_PHY_RESET to toggle.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 7b919bc8549c..770f74b5ea50 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -172,6 +172,11 @@ 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; @@ -179,25 +184,19 @@ static int gpio_usbh1_active(void) /* 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 */ - ret = gpio_request(BABBAGE_USB_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_USB_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; } |