target/linux/ramips/patches-4.14/0029-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch

   1 From 57fa7f2f4ef6f78ce1d30509c0d111aa3791b524 Mon Sep 17 00:00:00 2001
   2 From: Daniel Santos <daniel.santos@pobox.com>
   3 Date: Sun, 4 Nov 2018 20:24:32 -0600
   4 Subject: gpio-ralink: Add support for GPIO as interrupt-controller
   5
   6 Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
   7 ---
   8  Documentation/devicetree/bindings/gpio/gpio-ralink.txt | 6 ++++++
   9  drivers/gpio/gpio-ralink.c                             | 2 +-
  10  2 files changed, 7 insertions(+), 1 deletion(-)
  11
  12 --- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
  13 +++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
  14 @@ -17,6 +17,9 @@ Required properties:
  15
  16  Optional properties:
  17  - ralink,gpio-base : Specify the GPIO chips base number
  18 +- interrupt-controller : marks this as an interrupt controller
  19 +- #interrupt-cells : a standard two-cell interrupt flag, see
  20 +  interrupt-controller/interrupts.txt
  21
  22  Example:
  23
  24 @@ -28,6 +31,9 @@ Example:
  25
  26                 reg = <0x600 0x34>;
  27
  28 +               interrupt-controller;
  29 +               #interrupt-cells = <2>;
  30 +
  31                 interrupt-parent = <&intc>;
  32                 interrupts = <6>;
  33
  34 --- a/drivers/gpio/gpio-ralink.c
  35 +++ b/drivers/gpio/gpio-ralink.c
  36 @@ -220,7 +220,7 @@ static int gpio_map(struct irq_domain *d
  37  }
  38
  39  static const struct irq_domain_ops irq_domain_ops = {
  40 -       .xlate = irq_domain_xlate_onecell,
  41 +       .xlate = irq_domain_xlate_twocell,
  42         .map = gpio_map,
  43  };
  44