From: Daniel Santos Date: Sun, 4 Nov 2018 20:24:32 -0600 Subject: [PATCH 3/3] gpio-ralink: Add support for GPIO as interrupt-controller Signed-off-by: Daniel Santos --- Documentation/devicetree/bindings/gpio/gpio-ralink.txt | 6 ++++++ drivers/gpio/gpio-ralink.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) --- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt @@ -14,6 +14,9 @@ Required properties: - ralink,register-map : The register layout depends on the GPIO bank and actual SoC type. Register offsets need to be in this order. [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ] +- interrupt-controller : marks this as an interrupt controller +- #interrupt-cells : a standard two-cell interrupt flag, see + interrupt-controller/interrupts.txt Example: @@ -25,6 +28,9 @@ Example: reg = <0x600 0x34>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&intc>; interrupts = <6>; --- a/drivers/gpio/gpio-ralink.c +++ b/drivers/gpio/gpio-ralink.c @@ -174,7 +174,7 @@ static int gpio_map(struct irq_domain *d } static const struct irq_domain_ops irq_domain_ops = { - .xlate = irq_domain_xlate_onecell, + .xlate = irq_domain_xlate_twocell, .map = gpio_map, };