From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/7] enable usb1 phy power supply
Date: Wed, 20 Jul 2011 13:41:00 +0200 [thread overview]
Message-ID: <20110720114100.GB2377@pengutronix.de> (raw)
In-Reply-To: <1311160106-4898-3-git-send-email-tony.lin@freescale.com>
On Wed, Jul 20, 2011 at 07:08:21PM +0800, Tony Lin wrote:
> configure usb1 phy power enable gpio and enable usb1 phy power
>
> Signed-off-by: Tony Lin <tony.lin@freescale.com>
> ---
> arch/arm/mach-mxs/mach-mx28evk.c | 9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
> index eaaf6ff..6934867 100644
> --- a/arch/arm/mach-mxs/mach-mx28evk.c
> +++ b/arch/arm/mach-mxs/mach-mx28evk.c
> @@ -34,6 +34,7 @@
> #define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
> #define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
> #define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
> +#define MX28EVK_USB1_PWR_EN MXS_GPIO_NR(3, 8)
>
> #define MX28EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(2, 12)
> #define MX28EVK_MMC1_WRITE_PROTECT MXS_GPIO_NR(0, 28)
> @@ -183,6 +184,8 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
>
> /* led */
> MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
> + /* usb1 */
/* usb1 power enable */
> + MX28_PAD_AUART2_RX__GPIO_3_8 | MXS_PAD_CTRL,
> };
>
> /* led */
> @@ -405,6 +408,12 @@ static void __init mx28evk_init(void)
> pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
> mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
>
> + ret = gpio_request_one(MX28EVK_USB1_PWR_EN, GPIOF_DIR_OUT,
use GPIOF_OUT_INIT_HIGH here to save the set_value below and have less
glitch on the line
> + "usb1-power-en");
> + if (ret)
> + pr_warn("failed to request gpio usb1-power-en %d\n", ret);
> + else
> + gpio_set_value(MX28EVK_USB1_PWR_EN, 1);
> gpio_led_register_device(0, &mx28evk_led_data);
> }
>
> --
> 1.7.0.4
>
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2011-07-20 11:41 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-20 11:08 [PATCH 0/7] ARM: mx28: add usb host function Tony Lin
2011-07-20 10:57 ` Felipe Balbi
2011-07-20 11:08 ` [PATCH 1/7] consolidate definitions and structures to share among platforms Tony Lin
2011-07-20 10:59 ` Felipe Balbi
2011-07-20 11:03 ` Lin Tony-B19295
2011-07-20 11:16 ` Felipe Balbi
2011-07-20 11:21 ` Lin Tony-B19295
2011-07-20 11:08 ` [PATCH 2/7] enable usb1 phy power supply Tony Lin
2011-07-20 11:01 ` Felipe Balbi
2011-07-20 11:41 ` Wolfram Sang [this message]
2011-07-22 2:16 ` Lin Tony-B19295
2011-07-20 19:08 ` Sascha Hauer
2011-07-22 2:20 ` Lin Tony-B19295
2011-07-20 11:08 ` [PATCH 3/7] add usb phy clocks to clock tree Tony Lin
2011-07-20 11:02 ` Felipe Balbi
2011-07-20 11:05 ` Lin Tony-B19295
2011-07-20 19:10 ` Sascha Hauer
2011-07-22 6:02 ` Lin Tony-B19295
2011-07-22 9:18 ` Sascha Hauer
2011-07-20 11:08 ` [PATCH 4/7] mx28: add usb host phy functions Tony Lin
2011-07-20 11:12 ` Felipe Balbi
2011-07-20 19:26 ` Sascha Hauer
2011-07-22 2:23 ` Lin Tony-B19295
2011-07-21 6:04 ` Lothar Waßmann
2011-07-20 11:08 ` [PATCH 5/7] ehci mxc: make it more flexible to be used for mx28 Tony Lin
2011-07-20 11:05 ` Arnaud Patard (Rtp)
2011-07-20 11:08 ` Lin Tony-B19295
2011-07-20 11:45 ` Wolfram Sang
2011-07-20 11:14 ` Felipe Balbi
2011-07-20 11:21 ` Lin Tony-B19295
2011-07-20 11:23 ` Felipe Balbi
2011-07-20 11:25 ` Lin Tony-B19295
2011-07-20 11:27 ` Felipe Balbi
2011-07-20 13:59 ` Alan Stern
2011-07-22 5:18 ` Lin Tony-B19295
2011-07-20 19:41 ` Sascha Hauer
2011-07-20 11:08 ` [PATCH 6/7] add macro definitions according to ehci-mxc driver change Tony Lin
2011-07-20 19:43 ` Sascha Hauer
2011-07-21 6:06 ` Lothar Waßmann
2011-07-20 11:08 ` [PATCH 7/7] add usb host function to default config Tony Lin
2011-07-20 20:07 ` [PATCH 0/7] ARM: mx28: add usb host function Sascha Hauer
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