Re: [PATCH v2 9/9] dt-bindings: usb: mtk-xhci: remove dummy clocks and add optional ones

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On 10/13/2017 10:26 AM, Chunfeng Yun wrote:
Remove dummy clocks for usb wakeup and add optional ones for
MCU_BUS_CK and DMA_BUS_CK.

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---

Reviewed-by: <matthias.bgg@xxxxxxxxx>

  .../devicetree/bindings/usb/mediatek,mtk-xhci.txt  |   18 ++++++++----------
  1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
index 2d9b459..3059596 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
@@ -26,10 +26,11 @@ Required properties:
   - clocks : a list of phandle + clock-specifier pairs, one for each
  	entry in clock-names
   - clock-names : must contain
-	"sys_ck": for clock of xHCI MAC
-	"ref_ck": for reference clock of xHCI MAC
-	"wakeup_deb_p0": for USB wakeup debounce clock of port0
-	"wakeup_deb_p1": for USB wakeup debounce clock of port1
+	"sys_ck": controller clock used by normal mode,
+	the following ones are optional:
+	"ref_ck": reference clock used by low power mode etc,
+	"mcu_ck": mcu_bus clock for register access,
+	"dma_ck": dma_bus clock for data transfer by DMA
- phys : a list of phandle + phy specifier pairs @@ -57,9 +58,7 @@ usb30: usb@11270000 {
  	clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>,
  		 <&pericfg CLK_PERI_USB0>,
  		 <&pericfg CLK_PERI_USB1>;
-	clock-names = "sys_ck", "ref_ck",
-		      "wakeup_deb_p0",
-		      "wakeup_deb_p1";
+	clock-names = "sys_ck", "ref_ck";
  	phys = <&phy_port0 PHY_TYPE_USB3>,
  	       <&phy_port1 PHY_TYPE_USB2>;
  	vusb33-supply = <&mt6397_vusb_reg>;
@@ -91,9 +90,8 @@ Required properties:
- clocks : a list of phandle + clock-specifier pairs, one for each
  	entry in clock-names
- - clock-names : must be
-	"sys_ck": for clock of xHCI MAC
-	"ref_ck": for reference clock of xHCI MAC
+ - clock-names : must contain "sys_ck", and the following ones are optional:
+	"ref_ck", "mcu_ck" and "dma_ck"
Optional properties:
   - vbus-supply : reference to the VBUS regulator;

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