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@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); +#else clrbits_le32(SUNXI_USBPHY_BASE + REG_PHY_UNK_H3, 0x01); #endif + } +#endif clrbits_le32(phy->base + REG_PMU_UNK_H3, 0x02); } #elif defined CONFIG_MACH_SUN8I_A83T