1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.14/0029-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch b/target/linux/ramips/patches-4.14/0029-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch
new file mode 100644
index 0000000000..d93f39c746
--- /dev/null
+++ b/target/linux/ramips/patches-4.14/0029-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch
@@ -0,0 +1,51 @@
+From 57fa7f2f4ef6f78ce1d30509c0d111aa3791b524 Mon Sep 17 00:00:00 2001
+From: Daniel Santos <daniel.santos@pobox.com>
+Date: Sun, 4 Nov 2018 20:24:32 -0600
+Subject: gpio-ralink: Add support for GPIO as interrupt-controller
+
+Signed-off-by: Daniel Santos <daniel.santos@pobox.com>
+---
+ Documentation/devicetree/bindings/gpio/gpio-ralink.txt | 6 ++++++
+ drivers/gpio/gpio-ralink.c                             | 2 +-
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
+index 5cd17f225fe3..2775449614d4 100644
+--- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
+@@ -17,6 +17,9 @@ Required properties:
+ 
+ Optional properties:
+ - ralink,gpio-base : Specify the GPIO chips base number
++- interrupt-controller : marks this as an interrupt controller
++- #interrupt-cells : a standard two-cell interrupt flag, see
++  interrupt-controller/interrupts.txt
+ 
+ Example:
+ 
+@@ -28,6 +31,9 @@ Example:
+ 
+ 		reg = <0x600 0x34>;
+ 
++		interrupt-controller;
++		#interrupt-cells = <2>;
++
+ 		interrupt-parent = <&intc>;
+ 		interrupts = <6>;
+ 
+diff --git a/drivers/gpio/gpio-ralink.c b/drivers/gpio/gpio-ralink.c
+index 27910e384013..b6e30083d012 100644
+--- a/drivers/gpio/gpio-ralink.c
++++ b/drivers/gpio/gpio-ralink.c
+@@ -220,7 +220,7 @@ static int gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
+ }
+ 
+ static const struct irq_domain_ops irq_domain_ops = {
+-	.xlate = irq_domain_xlate_onecell,
++	.xlate = irq_domain_xlate_twocell,
+ 	.map = gpio_map,
+ };
+ 
+-- 
+2.16.4
+