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