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
Date: Thu Jun 30 2016 - 22:51:41 EST


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:
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 <william.wu@xxxxxxxxxxxxxx>
---
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

- 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