Commit 1e6b98eb authored by Vardan Mikayelyan's avatar Vardan Mikayelyan Committed by Felipe Balbi
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usb: dwc2: gadget: Add IOT device IDs, configure core accordingly 



Add new device IDs for IOT gadget. Done changes in probe to
configure core accordingly depending on device ID value.

Signed-off-by: default avatarVardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 79c3b5bb

drivers/usb/dwc2/core.h

+18 −0
Original line number Diff line number Diff line
@@ -950,6 +950,8 @@ struct dwc2_hsotg { 
#define DWC2_CORE_REV_2_94a	0x4f54294a

#define DWC2_CORE_REV_3_00a	0x4f54300a

#define DWC2_CORE_REV_3_10a	0x4f54310a

#define DWC2_FS_IOT_REV_1_00a	0x5531100a

#define DWC2_HS_IOT_REV_1_00a	0x5532100a



#if IS_ENABLED(CONFIG_USB_DWC2_HOST) || IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)

	union dwc2_hcd_internal_flags {
@@ -1078,6 +1080,22 @@ enum dwc2_halt_status { 
	DWC2_HC_XFER_URB_DEQUEUE,

};



/* Core version information */

static inline bool dwc2_is_iot(struct dwc2_hsotg *hsotg)

{

	return (hsotg->hw_params.snpsid & 0xfff00000) == 0x55300000;

}



static inline bool dwc2_is_fs_iot(struct dwc2_hsotg *hsotg)

{

	return (hsotg->hw_params.snpsid & 0xffff0000) == 0x55310000;

}



static inline bool dwc2_is_hs_iot(struct dwc2_hsotg *hsotg)

{

	return (hsotg->hw_params.snpsid & 0xffff0000) == 0x55320000;

}



/*

 * The following functions support initialization of the core driver component

 * and the DWC_otg controller

drivers/usb/dwc2/params.c

+8 −1
Original line number Diff line number Diff line
@@ -1276,7 +1276,9 @@ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg) 
	 */

	hw->snpsid = dwc2_readl(hsotg->regs + GSNPSID);

	if ((hw->snpsid & 0xfffff000) != 0x4f542000 &&

	    (hw->snpsid & 0xfffff000) != 0x4f543000) {

	    (hw->snpsid & 0xfffff000) != 0x4f543000 &&

	    (hw->snpsid & 0xffff0000) != 0x55310000 &&

	    (hw->snpsid & 0xffff0000) != 0x55320000) {

		dev_err(hsotg->dev, "Bad value for GSNPSID: 0x%08x\n",

			hw->snpsid);

		return -ENODEV;
@@ -1418,6 +1420,11 @@ int dwc2_init_params(struct dwc2_hsotg *hsotg) 
	else

		params = params_default;



	if (dwc2_is_fs_iot(hsotg)) {

		params.speed = DWC2_SPEED_PARAM_FULL;

		params.phy_type = DWC2_PHY_TYPE_PARAM_FS;

	}



	dwc2_set_parameters(hsotg, &params);



	return 0;