summaryrefslogtreecommitdiffstats
path: root/drivers/usb/dwc2/gadget.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:18:06 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:18:06 +0000
commit638a9e433ecd61e64761352dbec1fa4f5874c941 (patch)
treefdbff74a238d7a5a7d1cef071b7230bc064b9f25 /drivers/usb/dwc2/gadget.c
parentReleasing progress-linux version 6.9.12-1~progress7.99u1. (diff)
downloadlinux-638a9e433ecd61e64761352dbec1fa4f5874c941.tar.xz
linux-638a9e433ecd61e64761352dbec1fa4f5874c941.zip
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
-rw-r--r--drivers/usb/dwc2/gadget.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index b2f6da5b65..74ac79abd8 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3424,8 +3424,11 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg,
dwc2_hsotg_init_fifo(hsotg);
- if (!is_usb_reset)
+ if (!is_usb_reset) {
dwc2_set_bit(hsotg, DCTL, DCTL_SFTDISCON);
+ if (hsotg->params.eusb2_disc)
+ dwc2_set_bit(hsotg, GOTGCTL, GOTGCTL_EUSB2_DISC_SUPP);
+ }
dcfg |= DCFG_EPMISCNT(1);
@@ -5316,6 +5319,8 @@ void dwc2_gadget_program_ref_clk(struct dwc2_hsotg *hsotg)
int dwc2_gadget_enter_hibernation(struct dwc2_hsotg *hsotg)
{
u32 gpwrdn;
+ u32 gusbcfg;
+ u32 pcgcctl;
int ret = 0;
/* Change to L2(suspend) state */
@@ -5335,6 +5340,22 @@ int dwc2_gadget_enter_hibernation(struct dwc2_hsotg *hsotg)
}
gpwrdn = GPWRDN_PWRDNRSTN;
+ udelay(10);
+ gusbcfg = dwc2_readl(hsotg, GUSBCFG);
+ if (gusbcfg & GUSBCFG_ULPI_UTMI_SEL) {
+ /* ULPI interface */
+ gpwrdn |= GPWRDN_ULPI_LATCH_EN_DURING_HIB_ENTRY;
+ }
+ dwc2_writel(hsotg, gpwrdn, GPWRDN);
+ udelay(10);
+
+ /* Suspend the Phy Clock */
+ pcgcctl = dwc2_readl(hsotg, PCGCTL);
+ pcgcctl |= PCGCTL_STOPPCLK;
+ dwc2_writel(hsotg, pcgcctl, PCGCTL);
+ udelay(10);
+
+ gpwrdn = dwc2_readl(hsotg, GPWRDN);
gpwrdn |= GPWRDN_PMUACTV;
dwc2_writel(hsotg, gpwrdn, GPWRDN);
udelay(10);
@@ -5435,6 +5456,11 @@ int dwc2_gadget_exit_hibernation(struct dwc2_hsotg *hsotg,
if (reset)
dwc2_clear_bit(hsotg, DCFG, DCFG_DEVADDR_MASK);
+ /* Reset ULPI latch */
+ gpwrdn = dwc2_readl(hsotg, GPWRDN);
+ gpwrdn &= ~GPWRDN_ULPI_LATCH_EN_DURING_HIB_ENTRY;
+ dwc2_writel(hsotg, gpwrdn, GPWRDN);
+
/* De-assert Wakeup Logic */
gpwrdn = dwc2_readl(hsotg, GPWRDN);
gpwrdn &= ~GPWRDN_PMUACTV;