diff options
| author | Stephen Boyd <stephen.boyd@linaro.org> | 2016-12-29 01:56:55 +0300 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2017-01-20 06:25:14 +0300 |
| commit | 7bb7e9b1a4319d7c305c033c2df46028fbcc10ae (patch) | |
| tree | a1b37b619f03dea819a1feda19e0c024cfa11662 /drivers/usb/chipidea/ci.h | |
| parent | 732a4af85e87091dee130669de8ce50727fd28b4 (diff) | |
| download | linux-7bb7e9b1a4319d7c305c033c2df46028fbcc10ae.tar.xz | |
usb: chipidea: Add support for ULPI PHY bus
Some phys for the chipidea controller are controlled via the ULPI
viewport. Add support for the ULPI bus so that these sorts of
phys can be probed and read/written automatically without having
to duplicate the viewport logic in each phy driver.
Acked-by: Peter Chen <peter.chen@nxp.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb/chipidea/ci.h')
| -rw-r--r-- | drivers/usb/chipidea/ci.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 05bc4d631cb9..59e22389c10b 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -18,6 +18,8 @@ #include <linux/usb.h> #include <linux/usb/gadget.h> #include <linux/usb/otg-fsm.h> +#include <linux/usb/otg.h> +#include <linux/ulpi/interface.h> /****************************************************************************** * DEFINE @@ -52,6 +54,7 @@ enum ci_hw_regs { OP_ENDPTLISTADDR, OP_TTCTRL, OP_BURSTSIZE, + OP_ULPI_VIEWPORT, OP_PORTSC, OP_DEVLC, OP_OTGSC, @@ -187,6 +190,8 @@ struct hw_bank { * @test_mode: the selected test mode * @platdata: platform specific information supplied by parent device * @vbus_active: is VBUS active + * @ulpi: pointer to ULPI device, if any + * @ulpi_ops: ULPI read/write ops for this device * @phy: pointer to PHY, if any * @usb_phy: pointer to USB PHY, if any and if using the USB PHY framework * @hcd: pointer to usb_hcd for ehci host driver @@ -236,6 +241,10 @@ struct ci_hdrc { struct ci_hdrc_platform_data *platdata; int vbus_active; +#ifdef CONFIG_USB_CHIPIDEA_ULPI + struct ulpi *ulpi; + struct ulpi_ops ulpi_ops; +#endif struct phy *phy; /* old usb_phy interface */ struct usb_phy *usb_phy; @@ -418,6 +427,16 @@ static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci) #endif } +#if IS_ENABLED(CONFIG_USB_CHIPIDEA_ULPI) +int ci_ulpi_init(struct ci_hdrc *ci); +void ci_ulpi_exit(struct ci_hdrc *ci); +int ci_ulpi_resume(struct ci_hdrc *ci); +#else +static inline int ci_ulpi_init(struct ci_hdrc *ci) { return 0; } +static inline void ci_ulpi_exit(struct ci_hdrc *ci) { } +static inline int ci_ulpi_resume(struct ci_hdrc *ci) { return 0; } +#endif + u32 hw_read_intr_enable(struct ci_hdrc *ci); u32 hw_read_intr_status(struct ci_hdrc *ci); @@ -428,6 +447,8 @@ int hw_port_test_set(struct ci_hdrc *ci, u8 mode); u8 hw_port_test_get(struct ci_hdrc *ci); +void hw_phymode_configure(struct ci_hdrc *ci); + void ci_platform_configure(struct ci_hdrc *ci); int dbg_create_files(struct ci_hdrc *ci); |