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From: Minkyu Kang <mk7.kang@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] EXYNOS5: Add function to enable exynos5420 usbdev phy ctrl
Date: Fri, 13 Feb 2015 17:25:49 +0900	[thread overview]
Message-ID: <54DDB50D.5040903@samsung.com> (raw)
In-Reply-To: <1421815892-13160-1-git-send-email-jy0922.shim@samsung.com>

On 21/01/15 13:51, Joonyoung Shim wrote:
> Exynos5420 has different registers with other exynos5 SoCs to control
> usb device phy, so need separated function to enable exynos5420 usb
> device phy.
> 
> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
> ---
> I used "usbdev" instead of "usbdrd" on function name because registers
> name prefix is usbdev_.
> 
>  arch/arm/cpu/armv7/exynos/power.c | 28 ++++++++++++++++++++++++++--
>  1 file changed, 26 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
> index 1520d64..1b12051 100644
> --- a/arch/arm/cpu/armv7/exynos/power.c
> +++ b/arch/arm/cpu/armv7/exynos/power.c
> @@ -102,10 +102,34 @@ static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable)
>  	}
>  }
>  
> +static void exynos5420_set_usbdev_phy_ctrl(unsigned int enable)
> +{
> +	struct exynos5420_power *power =
> +		(struct exynos5420_power *)samsung_get_base_power();
> +
> +	if (enable) {
> +		/* Enabling USBDEV_PHY */
> +		setbits_le32(&power->usbdev_phy_control,
> +				POWER_USB_DRD_PHY_CTRL_EN);
> +		setbits_le32(&power->usbdev1_phy_control,
> +				POWER_USB_DRD_PHY_CTRL_EN);
> +	} else {
> +		/* Disabling USBDEV_PHY */
> +		clrbits_le32(&power->usbdev_phy_control,
> +				POWER_USB_DRD_PHY_CTRL_EN);
> +		clrbits_le32(&power->usbdev1_phy_control,
> +				POWER_USB_DRD_PHY_CTRL_EN);
> +	}
> +}
> +
>  void set_usbdrd_phy_ctrl(unsigned int enable)
>  {
> -	if (cpu_is_exynos5())
> -		exynos5_set_usbdrd_phy_ctrl(enable);
> +	if (cpu_is_exynos5()) {
> +		if (proid_is_exynos5420() || proid_is_exynos5800())
> +			exynos5420_set_usbdev_phy_ctrl(enable);
> +		else
> +			exynos5_set_usbdrd_phy_ctrl(enable);
> +	}
>  }
>  
>  static void exynos5_dp_phy_control(unsigned int enable)
> 


applied to u-boot-samsung.

Thank,
Minkyu Kang.

      reply	other threads:[~2015-02-13  8:25 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-21  4:51 [U-Boot] [PATCH] EXYNOS5: Add function to enable exynos5420 usbdev phy ctrl Joonyoung Shim
2015-02-13  8:25 ` Minkyu Kang [this message]

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