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 diff --git a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
  13 index 5cd17f225fe3..2775449614d4 100644
  14 --- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
  15 +++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
  16 @@ -17,6 +17,9 @@ Required properties:
  17
  18  Optional properties:
  19  - ralink,gpio-base : Specify the GPIO chips base number
  20 +- interrupt-controller : marks this as an interrupt controller
  21 +- #interrupt-cells : a standard two-cell interrupt flag, see
  22 +  interrupt-controller/interrupts.txt
  23
  24  Example:
  25
  26 @@ -28,6 +31,9 @@ Example:
  27
  28                 reg = <0x600 0x34>;
  29
  30 +               interrupt-controller;
  31 +               #interrupt-cells = <2>;
  32 +
  33                 interrupt-parent = <&intc>;
  34                 interrupts = <6>;
  35
  36 diff --git a/drivers/gpio/gpio-ralink.c b/drivers/gpio/gpio-ralink.c
  37 index 27910e384013..b6e30083d012 100644
  38 --- a/drivers/gpio/gpio-ralink.c
  39 +++ b/drivers/gpio/gpio-ralink.c
  40 @@ -220,7 +220,7 @@ static int gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
  41  }
  42
  43  static const struct irq_domain_ops irq_domain_ops = {
  44 -       .xlate = irq_domain_xlate_onecell,
  45 +       .xlate = irq_domain_xlate_twocell,
  46         .map = gpio_map,
  47  };
  48
  49 --
  50 2.16.4
  51