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.s...@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.
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