target/linux/ipq40xx/patches-4.19/075-dt-bindings-phy-qcom-ipq4019-usb-add-binding-documen.patch

   1 From 5f01733dc755dfadfa51b7b3c6c160e632fc6002 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <john@phrozen.org>
   3 Date: Tue, 24 Jul 2018 15:09:36 +0200
   4 Subject: [PATCH 1/3] dt-bindings: phy-qcom-ipq4019-usb: add binding document
   5
   6 This patch adds the binding documentation for the HS/SS USB PHY found
   7 inside Qualcom Dakota SoCs.
   8
   9 Signed-off-by: John Crispin <john@phrozen.org>
  10 ---
  11  .../bindings/phy/phy-qcom-ipq4019-usb.txt           | 21 +++++++++++++++++++++
  12  1 file changed, 21 insertions(+)
  13  create mode 100644 Documentation/devicetree/bindings/phy/phy-qcom-ipq4019-usb.txt
  14
  15 --- /dev/null
  16 +++ b/Documentation/devicetree/bindings/phy/phy-qcom-ipq4019-usb.txt
  17 @@ -0,0 +1,21 @@
  18 +Qualcom Dakota HS/SS USB PHY
  19 +
  20 +Required properties:
  21 + - compatible: "qcom,usb-ss-ipq4019-phy",
  22 +              "qcom,usb-hs-ipq4019-phy"
  23 + - reg: offset and length of the registers
  24 + - #phy-cells: should be 0
  25 + - resets: the reset controllers as listed below
  26 + - reset-names: the names of the reset controllers
  27 +       "por_rst" - the POR reset line for SS and HS phys
  28 +       "srif_rst" - the SRIF reset line for HS phys
  29 +Example:
  30 +
  31 +hsphy@a8000 {
  32 +       compatible = "qcom,usb-hs-ipq4019-phy";
  33 +       phy-cells = <0>;
  34 +       reg = <0xa8000 0x40>;
  35 +       resets = <&gcc USB2_HSPHY_POR_ARES>,
  36 +                <&gcc USB2_HSPHY_S_ARES>;
  37 +       reset-names = "por_rst", "srif_rst";
  38 +};