Re: [PATCH v5 2/5] usb: dwc3: add dis_u2_freeclk_exists_quirk[Involving remittance information, please pay attention to the safety of property]

From: William Wu
Date: Thu Jun 30 2016 - 22:49:46 EST


Dear Rob,

On 07/01/2016 10:32 AM, Rob Herring wrote:
On Thu, Jun 30, 2016 at 07:12:53PM +0800, William Wu wrote:
Add a quirk to clear the GUSB2PHYCFG.U2_FREECLK_EXISTS bit,
which specifies whether the USB2.0 PHY provides a free-running
PHY clock, which is active when the clock control input is active.

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 | 3 +++
drivers/usb/dwc3/core.c | 5 +++++
drivers/usb/dwc3/core.h | 5 +++++
3 files changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 7d7ce08..1ada121 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -39,6 +39,9 @@ Optional properties:
disabling the suspend signal to the PHY.
- snps,dis_rxdet_inp3_quirk: when set core will disable receiver detection
in PHY P3 power state.
+ - snps,dis_u2_freeclk_exists_quirk: when set, clear the u2_freeclk_exists
Use '-', not '_'.
OK, I'll fix them in next patch.
Thanks very much for your help.

+ in GUSB2PHYCFG, specify that USB2 PHY doesn't provide
+ a free-running PHY clock.
- snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
utmi_l1_suspend_n, false when asserts utmi_sleep_n
- snps,hird-threshold: HIRD threshold