git.libre-soc.org Git - buildroot.git/blob

   1 From: Sergey Matyukevich <geomatsi@gmail.com>
   2 Date: Sun, 11 Feb 2018 16:21:43 +0300
   3 Subject: [PATCH] arm64: dts: orange-pi-zero-plus2: enable AP6212a WiFi/BT combo
   4
   5 Enable AP6212a WiFi/BT combo chip on orange-pi-zero-plus2 board:
   6 - WiFi SDIO interface is connected to MMC1
   7 - WiFi REG_ON pin connected to gpio PA9: attach to mmc-pwrseq
   8 - WiFi HOST_WAKE pin connected to gpio PL7
   9 - BT is connected to UART1
  10
  11 Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
  12 Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
  13 ---
  14  .../allwinner/sun50i-h5-orangepi-zero-plus2.dts    | 32 ++++++++++++++++++++++
  15  1 file changed, 32 insertions(+)
  16
  17 diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
  18 index a42fd79a62a3..d415b7b67cce 100644
  19 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
  20 +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts
  21 @@ -64,6 +64,13 @@
  22                 regulator-min-microvolt = <3300000>;
  23                 regulator-max-microvolt = <3300000>;
  24         };
  25 +
  26 +       wifi_pwrseq: wifi_pwrseq {
  27 +               compatible = "mmc-pwrseq-simple";
  28 +               pinctrl-names = "default";
  29 +               reset-gpios = <&pio 0 9 GPIO_ACTIVE_LOW>; /* PA9 */
  30 +               post-power-on-delay-ms = <200>;
  31 +       };
  32  };
  33
  34  &mmc0 {
  35 @@ -75,6 +82,25 @@
  36         status = "okay";
  37  };
  38
  39 +&mmc1 {
  40 +       pinctrl-names = "default";
  41 +       pinctrl-0 = <&mmc1_pins_a>;
  42 +       vmmc-supply = <&reg_vcc3v3>;
  43 +       vqmmc-supply = <&reg_vcc3v3>;
  44 +       mmc-pwrseq = <&wifi_pwrseq>;
  45 +       bus-width = <4>;
  46 +       non-removable;
  47 +       status = "okay";
  48 +
  49 +       brcmf: wifi@1 {
  50 +               reg = <1>;
  51 +               compatible = "brcm,bcm4329-fmac";
  52 +               interrupt-parent = <&r_pio>;
  53 +               interrupts = <0 7 IRQ_TYPE_LEVEL_LOW>;  /* PL7 */
  54 +               interrupt-names = "host-wake";
  55 +       };
  56 +};
  57 +
  58  &mmc2 {
  59         pinctrl-names = "default";
  60         pinctrl-0 = <&mmc2_8bit_pins>;
  61 @@ -90,3 +116,9 @@
  62         pinctrl-0 = <&uart0_pins_a>;
  63         status = "okay";
  64  };
  65 +
  66 +&uart1 {
  67 +       pinctrl-names = "default";
  68 +       pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
  69 +       status = "okay";
  70 +};
  71 --
  72 2.16.1
  73