Allwinner V3/H3/H5/A64 have PHY0 dual_route, where routing happens
through EHCI/OHCI or through MUSB based id_det. id_det can be 0 and
1 for Host and Peripheral dr_modes and it can be gpio value for OTG.
Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
Cc: Marek Vasut <ma...@denx.de>
---
arch/arm/include/asm/arch-sunxi/usb_phy.h | 1 +
arch/arm/mach-sunxi/usb_phy.c | 20 ++++++++++++++++++++
drivers/usb/musb-new/sunxi.c | 7 +++++++
3 files changed, 28 insertions(+)
diff --git a/arch/arm/include/asm/arch-sunxi/usb_phy.h
b/arch/arm/include/asm/arch-sunxi/usb_phy.h
index 5a9cacb..e546e03 100644
--- a/arch/arm/include/asm/arch-sunxi/usb_phy.h
+++ b/arch/arm/include/asm/arch-sunxi/usb_phy.h
@@ -19,3 +19,4 @@ void sunxi_usb_phy_power_off(int index);
int sunxi_usb_phy_vbus_detect(int index);
int sunxi_usb_phy_id_detect(int index);
void sunxi_usb_phy_enable_squelch_detect(int index, int enable);
+void sunxi_usb_phy0_reroute(int id_det);
diff --git a/arch/arm/mach-sunxi/usb_phy.c b/arch/arm/mach-sunxi/usb_phy.c
index a81425d..93340c7 100644
--- a/arch/arm/mach-sunxi/usb_phy.c
+++ b/arch/arm/mach-sunxi/usb_phy.c
@@ -28,6 +28,8 @@
#else
#define SUNXI_USB_CSR 0x410
#endif
+#define REG_PHY_OTGCTL 0x420
+#define OTGCTL_ROUTE_MUSB BIT(0)
#define SUNXI_USB_PMU_IRQ_ENABLE 0x800
#define SUNXI_USB_PASSBY_EN 1
@@ -332,6 +334,24 @@ int sunxi_usb_phy_id_detect(int index)
return gpio_get_value(phy->gpio_id_det);
}
+#if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I) || \
+ defined(CONFIG_MACH_SUN8I_V3S)
+void sunxi_usb_phy0_reroute(int id_det)
+{
+ u32 regval;
+
+ regval = readl(SUNXI_USB0_BASE + REG_PHY_OTGCTL);
+ if (id_det == 0) {
+ /* Host mode. Route phy0 to EHCI/OHCI */
+ regval &= ~OTGCTL_ROUTE_MUSB;
+ } else {
+ /* Peripheral mode. Route phy0 to MUSB */
+ regval |= OTGCTL_ROUTE_MUSB;
+ }
+ writel(regval, SUNXI_USB0_BASE + REG_PHY_OTGCTL);
+}
+#endif
+
int sunxi_usb_phy_probe(void)
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index d02e083..c64c551 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -272,6 +272,13 @@ static int sunxi_musb_init(struct musb *musb)
#endif
sunxi_usb_phy_init(0);
+#if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I) || \
+ defined(CONFIG_MACH_SUN8I_V3S)
+ if (is_host_enabled(musb))
+ sunxi_usb_phy0_reroute(0);
+ else
+ sunxi_usb_phy0_reroute(1);
+#endif
USBC_ConfigFIFO_Base();
USBC_EnableDpDmPullUp(musb->mregs);
--
2.7.4
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