Commit 14f4ac53 authored by Huang Rui's avatar Huang Rui Committed by Felipe Balbi

usb: dwc3: add rx_detect to polling lfps quirk

This patch adds RX_DETECT to Polling.LFPS control quirk, and some special
platforms can configure that if it is needed.

[ balbi@ti.com : added DeviceTree binding documentation ]
Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent fb67afca
...@@ -27,6 +27,8 @@ Optional properties: ...@@ -27,6 +27,8 @@ Optional properties:
- snps,del_phy_power_chg_quirk: when set core will delay PHY power change - snps,del_phy_power_chg_quirk: when set core will delay PHY power change
from P0 to P1/P2/P3. from P0 to P1/P2/P3.
- snps,lfps_filter_quirk: when set core will filter LFPS reception. - snps,lfps_filter_quirk: when set core will filter LFPS reception.
- snps,rx_detect_poll_quirk: when set core will disable a 400us delay to start
Polling LFPS after RX.Detect.
This is usually a subnode to DWC3 glue to which it is connected. This is usually a subnode to DWC3 glue to which it is connected.
......
...@@ -389,6 +389,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc) ...@@ -389,6 +389,9 @@ static void dwc3_phy_setup(struct dwc3 *dwc)
if (dwc->lfps_filter_quirk) if (dwc->lfps_filter_quirk)
reg |= DWC3_GUSB3PIPECTL_LFPSFILT; reg |= DWC3_GUSB3PIPECTL_LFPSFILT;
if (dwc->rx_detect_poll_quirk)
reg |= DWC3_GUSB3PIPECTL_RX_DETOPOLL;
dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);
mdelay(100); mdelay(100);
...@@ -776,6 +779,8 @@ static int dwc3_probe(struct platform_device *pdev) ...@@ -776,6 +779,8 @@ static int dwc3_probe(struct platform_device *pdev)
"snps,del_phy_power_chg_quirk"); "snps,del_phy_power_chg_quirk");
dwc->lfps_filter_quirk = of_property_read_bool(node, dwc->lfps_filter_quirk = of_property_read_bool(node,
"snps,lfps_filter_quirk"); "snps,lfps_filter_quirk");
dwc->rx_detect_poll_quirk = of_property_read_bool(node,
"snps,rx_detect_poll_quirk");
} else if (pdata) { } else if (pdata) {
dwc->maximum_speed = pdata->maximum_speed; dwc->maximum_speed = pdata->maximum_speed;
dwc->has_lpm_erratum = pdata->has_lpm_erratum; dwc->has_lpm_erratum = pdata->has_lpm_erratum;
...@@ -792,6 +797,7 @@ static int dwc3_probe(struct platform_device *pdev) ...@@ -792,6 +797,7 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->del_p1p2p3_quirk = pdata->del_p1p2p3_quirk; dwc->del_p1p2p3_quirk = pdata->del_p1p2p3_quirk;
dwc->del_phy_power_chg_quirk = pdata->del_phy_power_chg_quirk; dwc->del_phy_power_chg_quirk = pdata->del_phy_power_chg_quirk;
dwc->lfps_filter_quirk = pdata->lfps_filter_quirk; dwc->lfps_filter_quirk = pdata->lfps_filter_quirk;
dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk;
} }
/* default to superspeed if no maximum_speed passed */ /* default to superspeed if no maximum_speed passed */
......
...@@ -184,6 +184,7 @@ ...@@ -184,6 +184,7 @@
#define DWC3_GUSB3PIPECTL_DEPOCHANGE (1 << 18) #define DWC3_GUSB3PIPECTL_DEPOCHANGE (1 << 18)
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
#define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9) #define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9)
#define DWC3_GUSB3PIPECTL_RX_DETOPOLL (1 << 8)
/* Global TX Fifo Size Register */ /* Global TX Fifo Size Register */
#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) #define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff)
...@@ -693,6 +694,7 @@ struct dwc3_scratchpad_array { ...@@ -693,6 +694,7 @@ struct dwc3_scratchpad_array {
* @del_p1p2p3_quirk: set if we enable delay p1p2p3 quirk * @del_p1p2p3_quirk: set if we enable delay p1p2p3 quirk
* @del_phy_power_chg_quirk: set if we enable delay phy power change quirk * @del_phy_power_chg_quirk: set if we enable delay phy power change quirk
* @lfps_filter_quirk: set if we enable LFPS filter quirk * @lfps_filter_quirk: set if we enable LFPS filter quirk
* @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk
*/ */
struct dwc3 { struct dwc3 {
struct usb_ctrlrequest *ctrl_req; struct usb_ctrlrequest *ctrl_req;
...@@ -807,6 +809,7 @@ struct dwc3 { ...@@ -807,6 +809,7 @@ struct dwc3 {
unsigned del_p1p2p3_quirk:1; unsigned del_p1p2p3_quirk:1;
unsigned del_phy_power_chg_quirk:1; unsigned del_phy_power_chg_quirk:1;
unsigned lfps_filter_quirk:1; unsigned lfps_filter_quirk:1;
unsigned rx_detect_poll_quirk:1;
}; };
/* -------------------------------------------------------------------------- */ /* -------------------------------------------------------------------------- */
......
...@@ -35,4 +35,5 @@ struct dwc3_platform_data { ...@@ -35,4 +35,5 @@ struct dwc3_platform_data {
unsigned del_p1p2p3_quirk:1; unsigned del_p1p2p3_quirk:1;
unsigned del_phy_power_chg_quirk:1; unsigned del_phy_power_chg_quirk:1;
unsigned lfps_filter_quirk:1; unsigned lfps_filter_quirk:1;
unsigned rx_detect_poll_quirk:1;
}; };
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