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usb: cdns3: Add support for DRD CDNSP

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Patch adds support for Cadence DRD Super Speed Plus controller(CDNSP).
CDNSP DRD is a part of Cadence CDNSP controller.
The DRD CDNSP controller has a lot of difference on hardware level but on
software level is quite compatible with CDNS3 DRD. For this reason
CDNS3 DRD part of CDNS3 driver was reused for CDNSP driver.

Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Tested-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Pawel Laszczak 2020-12-07 11:32:18 +01:00 • committed by Peter Chen
parent 5c8fe583cc
commit db8892bb1b
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GPG key ID: 4859298150D671BB
4 changed files with 149 additions and 50 deletions
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5
drivers/usb/cdns3/core.h
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@ -55,7 +55,9 @@ struct cdns3_platform_data {
* @otg_res: the resource for otg
* @otg_v0_regs: pointer to base of v0 otg registers
* @otg_v1_regs: pointer to base of v1 otg registers
* @otg_cdnsp_regs: pointer to base of CDNSP otg registers
* @otg_regs: pointer to base of otg registers
* @otg_irq_regs: pointer to interrupt registers
* @otg_irq: irq number for otg controller
* @dev_irq: irq number for device controller
* @wakeup_irq: irq number for wakeup event, it is optional
@ -86,9 +88,12 @@ struct cdns3 {
struct resource otg_res;
struct cdns3_otg_legacy_regs *otg_v0_regs;
struct cdns3_otg_regs *otg_v1_regs;
struct cdnsp_otg_regs *otg_cdnsp_regs;
struct cdns3_otg_common_regs *otg_regs;
struct cdns3_otg_irq_regs *otg_irq_regs;
#define CDNS3_CONTROLLER_V0 0
#define CDNS3_CONTROLLER_V1 1
#define CDNSP_CONTROLLER_V2 2
u32 version;
bool phyrst_a_enable;