[U-Boot] [[PATCH v2] 6/8] sunxi: usb_phy: Clear PHYCTL register before writing

Jagan Teki jagannadh.teki at gmail.com
Sun Jan 28 09:13:24 UTC 2018


On Fri, Jan 5, 2018 at 9:45 PM, Jun Nie <jun.nie at linaro.org> wrote:
> PHYCTL register offset at 0x10 need to be cleared before it's
> written. Ported from below Linux patch.
>   d699c1d phy: sun4i-usb: change PHYCTL register clearing code
>
> Signed-off-by: Jun Nie <jun.nie at linaro.org>
> ---
>  arch/arm/mach-sunxi/usb_phy.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-sunxi/usb_phy.c b/arch/arm/mach-sunxi/usb_phy.c
> index 2f1cad1..bcf5f15 100644
> --- a/arch/arm/mach-sunxi/usb_phy.c
> +++ b/arch/arm/mach-sunxi/usb_phy.c
> @@ -156,9 +156,15 @@ __maybe_unused static void usb_phy_write(struct sunxi_usb_phy *phy, int addr,
>  static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
>  {
>  #if defined CONFIG_MACH_SUNXI_H3_H5
> -       if (phy->id == 0)
> +       if (phy->id == 0) {
> +#ifdef CONFIG_USB_MUSB_GADGET
> +               setbits_le32(SUNXI_USBPHY_BASE + REG_PHY_UNK_H3, 0x01);
> +               writel(0, SUNXI_USB0_BASE + SUNXI_USB_CSR);

This can't dependent on mode.


More information about the U-Boot mailing list