target/linux/mvebu/patches-3.18/016-common_armada_xp_uart2_3_pinctrl.patch

   1 From d352f41e87e7226692d1346bb97c603615eeb817 Mon Sep 17 00:00:00 2001
   2 From: Arnaud Ebalard <arno@natisbad.org>
   3 Date: Sat, 22 Nov 2014 00:46:28 +0100
   4 Subject: arm: mvebu: define and use common Armada XP UART2/3 pinctrl settings
   5
   6 This patch defines common Armada XP pinctrl settings for uart2 and
   7 uart3 interfaces (uart0 and uart1 rx/tx do not rely on MPP):
   8
   9  uart2: MPP42-43 as default
  10  uart3: MPP44-45 as default
  11
  12 Suggested-by: Andrew Lunn <andrew@lunn.ch>
  13 Acked-by: Andrew Lunn <andrew@lunn.ch>
  14 Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
  15 Link: https://lkml.kernel.org/r/fd51c080c7139a67ec01df8d797f1e88ce557796.1416613429.git.arno@natisbad.org
  16 Signed-off-by: Jason Cooper <jason@lakedaemon.net>
  17
  18 --- a/arch/arm/boot/dts/armada-xp.dtsi
  19 +++ b/arch/arm/boot/dts/armada-xp.dtsi
  20 @@ -55,6 +55,8 @@
  21
  22                         uart2: serial@12200 {
  23                                 compatible = "snps,dw-apb-uart";
  24 +                               pinctrl-0 = <&uart2_pins>;
  25 +                               pinctrl-names = "default";
  26                                 reg = <0x12200 0x100>;
  27                                 reg-shift = <2>;
  28                                 interrupts = <43>;
  29 @@ -65,6 +67,8 @@
  30
  31                         uart3: serial@12300 {
  32                                 compatible = "snps,dw-apb-uart";
  33 +                               pinctrl-0 = <&uart3_pins>;
  34 +                               pinctrl-names = "default";
  35                                 reg = <0x12300 0x100>;
  36                                 reg-shift = <2>;
  37                                 interrupts = <44>;
  38 @@ -243,4 +247,14 @@
  39                                "mpp33", "mpp34", "mpp35";
  40                 marvell,function = "sd0";
  41         };
  42 +
  43 +       uart2_pins: uart2-pins {
  44 +               marvell,pins = "mpp42", "mpp43";
  45 +               marvell,function = "uart2";
  46 +       };
  47 +
  48 +       uart3_pins: uart3-pins {
  49 +               marvell,pins = "mpp44", "mpp45";
  50 +               marvell,function = "uart3";
  51 +       };
  52  };