git.openwrt.org Git - openwrt/staging/aparcar.git/blob

   1 From 7c23c772289fa31960b9e6969499aa93c92d842b Mon Sep 17 00:00:00 2001
   2 From: Adrien RICCIARDI <RICCIARDI-Adrien@users.noreply.github.com>
   3 Date: Fri, 22 Mar 2019 11:35:30 +0100
   4 Subject: [PATCH] overlays: sdio: Added 4-bit support on GPIOs 34-39.
   5  (#2903)
   6
   7 ---
   8  arch/arm/boot/dts/overlays/README           | 3 +++
   9  arch/arm/boot/dts/overlays/sdio-overlay.dts | 9 +++++++++
  10  2 files changed, 12 insertions(+)
  11
  12 --- a/arch/arm/boot/dts/overlays/README
  13 +++ b/arch/arm/boot/dts/overlays/README
  14 @@ -1785,6 +1785,9 @@ Params: sdio_overclock          SDIO Clo
  15          gpios_34_37             Select GPIOs 34-37 for 1-bit mode. Must be used
  16                                  with bus_width=1.
  17
  18 +        gpios_34_39             Select GPIOs 34-39 for 4-bit mode. Must be used
  19 +                                with bus_width=4 (the default).
  20 +
  21
  22  Name:   sdio-1bit
  23  Info:   This overlay is now deprecated. Use
  24 --- a/arch/arm/boot/dts/overlays/sdio-overlay.dts
  25 +++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
  26 @@ -64,6 +64,14 @@
  27                 };
  28         };
  29
  30 +       fragment@5 {
  31 +               target = <&sdio_ovl_pins>;
  32 +               __dormant__ {
  33 +                       brcm,pins = <34 35 36 37 38 39>;
  34 +                       brcm,pull = <0 2 2 2 2 2>;
  35 +               };
  36 +       };
  37 +
  38         fragment@6 {
  39                 target-path = "/aliases";
  40                 __overlay__ {
  41 @@ -77,5 +85,6 @@
  42                 sdio_overclock = <&sdio_ovl>,"brcm,overclock-50:0";
  43                 gpios_22_25 = <0>,"=3";
  44                 gpios_34_37 = <0>,"=4";
  45 +               gpios_34_39 = <0>,"=5";
  46         };
  47  };