Thread (15 messages) 15 messages, 3 authors, 2016-07-01

Re: [PATCH v5 4/5] usb: dwc3: add dis_del_phy_power_chg_quirk[Involving remittance information, please pay attention to the safety of property]

From: William Wu <hidden>
Date: 2016-07-01 02:51:39
Also in: linux-rockchip, lkml

Dear Rob,

On 07/01/2016 10:38 AM, Rob Herring wrote:
On Thu, Jun 30, 2016 at 07:12:55PM +0800, William Wu wrote:
quoted
Add a quirk to clear the GUSB3PIPECTL.DELAYP1TRANS bit,
which specifies whether disable delay PHY power change
from P0 to P1/P2/P3 when link state changing from U0
to U1/U2/U3 respectively.

Signed-off-by: William Wu <redacted>
---
Changes in v5:
- None

Changes in v4:
- rebase on top of balbi testing/next, remove pdata (balbi)

Changes in v3:
- None

Changes in v2:
- None

  Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++
  drivers/usb/dwc3/core.c                        | 5 +++++
  drivers/usb/dwc3/core.h                        | 3 +++
  3 files changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 34d13a5..bd5bef0 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -42,6 +42,8 @@ Optional properties:
   - snps,dis_u2_freeclk_exists_quirk: when set, clear the u2_freeclk_exists
  			in GUSB2PHYCFG, specify that USB2 PHY doesn't provide
  			a free-running PHY clock.
+ - snps,dis_del_phy_power_chg_quirk: when set core will change PHY power
+			from P0 to P1/P2/P3 without delay.
Use '-', not '_'.
OK, I'll fix it in next patch.
Thanks~:-)

Best regards,
         William Wu
quoted
   - snps,phyif_utmi_quirk: when set core will set phyif UTMI+ interface.
   - snps,phyif_utmi: the value to configure the core to support a UTMI+ PHY
  			with an 8- or 16-bit interface. Value 0 select 8-bit
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