target/linux/mediatek/patches-4.14/0134-dt-bindings-usb-mtk-xhci-remove-dummy-clocks-and-add.patch

   1 From a96468412cac8abd66667c322fbcda756cc3abc9 Mon Sep 17 00:00:00 2001
   2 From: Chunfeng Yun <chunfeng.yun@mediatek.com>
   3 Date: Fri, 13 Oct 2017 16:26:41 +0800
   4 Subject: [PATCH 134/224] dt-bindings: usb: mtk-xhci: remove dummy clocks and
   5  add optional ones
   6
   7 Remove dummy clocks for usb wakeup and add optional ones for
   8 MCU_BUS_CK and DMA_BUS_CK.
   9
  10 Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
  11 Acked-by: Rob Herring <robh@kernel.org>
  12 Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
  13 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  14 ---
  15  .../devicetree/bindings/usb/mediatek,mtk-xhci.txt      | 18 ++++++++----------
  16  1 file changed, 8 insertions(+), 10 deletions(-)
  17
  18 diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
  19 index 2d9b459bd890..30595964876a 100644
  20 --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
  21 +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.txt
  22 @@ -26,10 +26,11 @@ Required properties:
  23   - clocks : a list of phandle + clock-specifier pairs, one for each
  24         entry in clock-names
  25   - clock-names : must contain
  26 -       "sys_ck": for clock of xHCI MAC
  27 -       "ref_ck": for reference clock of xHCI MAC
  28 -       "wakeup_deb_p0": for USB wakeup debounce clock of port0
  29 -       "wakeup_deb_p1": for USB wakeup debounce clock of port1
  30 +       "sys_ck": controller clock used by normal mode,
  31 +       the following ones are optional:
  32 +       "ref_ck": reference clock used by low power mode etc,
  33 +       "mcu_ck": mcu_bus clock for register access,
  34 +       "dma_ck": dma_bus clock for data transfer by DMA
  35
  36   - phys : a list of phandle + phy specifier pairs
  37
  38 @@ -57,9 +58,7 @@ usb30: usb@11270000 {
  39         clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>,
  40                  <&pericfg CLK_PERI_USB0>,
  41                  <&pericfg CLK_PERI_USB1>;
  42 -       clock-names = "sys_ck", "ref_ck",
  43 -                     "wakeup_deb_p0",
  44 -                     "wakeup_deb_p1";
  45 +       clock-names = "sys_ck", "ref_ck";
  46         phys = <&phy_port0 PHY_TYPE_USB3>,
  47                <&phy_port1 PHY_TYPE_USB2>;
  48         vusb33-supply = <&mt6397_vusb_reg>;
  49 @@ -91,9 +90,8 @@ Required properties:
  50
  51   - clocks : a list of phandle + clock-specifier pairs, one for each
  52         entry in clock-names
  53 - - clock-names : must be
  54 -       "sys_ck": for clock of xHCI MAC
  55 -       "ref_ck": for reference clock of xHCI MAC
  56 + - clock-names : must contain "sys_ck", and the following ones are optional:
  57 +       "ref_ck", "mcu_ck" and "dma_ck"
  58
  59  Optional properties:
  60   - vbus-supply : reference to the VBUS regulator;
  61 --
  62 2.11.0
  63