target/linux/brcm2708/patches-4.4/0122-bcm270x_dt-Add-dwc2-and-dwc-otg-overlays.patch

   1 From f59901d7849b23cd2ae6dc17184d46f62eaf9386 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
   3 Date: Thu, 31 Dec 2015 16:44:58 +0100
   4 Subject: [PATCH] bcm270x_dt: Add dwc2 and dwc-otg overlays
   5
   6 ---
   7  arch/arm/boot/dts/overlays/Makefile            |  2 ++
   8  arch/arm/boot/dts/overlays/README              | 21 +++++++++++++++++++
   9  arch/arm/boot/dts/overlays/dwc-otg-overlay.dts | 20 ++++++++++++++++++
  10  arch/arm/boot/dts/overlays/dwc2-overlay.dts    | 29 ++++++++++++++++++++++++++
  11  4 files changed, 72 insertions(+)
  12  create mode 100644 arch/arm/boot/dts/overlays/dwc-otg-overlay.dts
  13  create mode 100644 arch/arm/boot/dts/overlays/dwc2-overlay.dts
  14
  15 --- a/arch/arm/boot/dts/overlays/Makefile
  16 +++ b/arch/arm/boot/dts/overlays/Makefile
  17 @@ -15,6 +15,8 @@ endif
  18  dtb-$(RPI_DT_OVERLAYS) += ads7846-overlay.dtb
  19  dtb-$(RPI_DT_OVERLAYS) += at86rf233-overlay.dtb
  20  dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
  21 +dtb-$(RPI_DT_OVERLAYS) += dwc2-overlay.dtb
  22 +dtb-$(RPI_DT_OVERLAYS) += dwc-otg-overlay.dtb
  23  dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
  24  dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
  25  dtb-$(RPI_DT_OVERLAYS) += gpio-ir-overlay.dtb
  26 --- a/arch/arm/boot/dts/overlays/README
  27 +++ b/arch/arm/boot/dts/overlays/README
  28 @@ -198,6 +198,27 @@ Params: gpiopin                  GPIO co
  29                                   (default 4)
  30
  31
  32 +Name:   dwc-otg
  33 +Info:   Selects the dwc_otg USB controller driver which has fiq support. This
  34 +        is the default on all except the Pi Zero which defaults to dwc2.
  35 +Load:   dtoverlay=dwc-otg
  36 +Params: <None>
  37 +
  38 +
  39 +Name:   dwc2
  40 +Info:   Selects the dwc2 USB controller driver
  41 +Load:   dtoverlay=dwc2,<param>=<val>
  42 +Params: dr_mode                  Dual role mode: "host", "peripheral" or "otg"
  43 +
  44 +        g-rx-fifo-size           Size of rx fifo size in gadget mode
  45 +
  46 +        g-np-tx-fifo-size        Size of non-periodic tx fifo size in gadget
  47 +                                 mode
  48 +
  49 +        g-tx-fifo-size           Size of periodic tx fifo per endpoint
  50 +                                 (except ep0) in gadget mode
  51 +
  52 +
  53  [ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
  54
  55
  56 --- /dev/null
  57 +++ b/arch/arm/boot/dts/overlays/dwc-otg-overlay.dts
  58 @@ -0,0 +1,20 @@
  59 +/dts-v1/;
  60 +/plugin/;
  61 +
  62 +/{
  63 +       compatible = "brcm,bcm2708";
  64 +
  65 +       fragment@0 {
  66 +               target = <&usb>;
  67 +               #address-cells = <1>;
  68 +               #size-cells = <1>;
  69 +               __overlay__ {
  70 +                       compatible = "brcm,bcm2708-usb";
  71 +                       reg = <0x7e980000 0x10000>,
  72 +                             <0x7e006000 0x1000>;
  73 +                       interrupts = <2 0>,
  74 +                                    <1 9>;
  75 +                       status = "okay";
  76 +               };
  77 +       };
  78 +};
  79 --- /dev/null
  80 +++ b/arch/arm/boot/dts/overlays/dwc2-overlay.dts
  81 @@ -0,0 +1,29 @@
  82 +/dts-v1/;
  83 +/plugin/;
  84 +
  85 +/{
  86 +       compatible = "brcm,bcm2708";
  87 +
  88 +       fragment@0 {
  89 +               target = <&usb>;
  90 +               #address-cells = <1>;
  91 +               #size-cells = <1>;
  92 +               __overlay__ {
  93 +                       compatible = "brcm,bcm2835-usb";
  94 +                       reg = <0x7e980000 0x10000>;
  95 +                       interrupts = <1 9>;
  96 +                       dr_mode = "otg";
  97 +                       g-np-tx-fifo-size = <32>;
  98 +                       g-rx-fifo-size = <256>;
  99 +                       g-tx-fifo-size = <256 128 128 64 64 64 32>;
 100 +                       status = "okay";
 101 +               };
 102 +       };
 103 +
 104 +       __overrides__ {
 105 +               dr_mode = <&usb>, "dr_mode";
 106 +               g-np-tx-fifo-size = <&usb>,"g-np-tx-fifo-size:0";
 107 +               g-rx-fifo-size = <&usb>,"g-rx-fifo-size:0";
 108 +               g-tx-fifo-size = <&usb>,"g-tx-fifo-size:0";
 109 +       };
 110 +};