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5f250cfd04
Drop most of the code in favor of the generic MMIO GPIO driver. Signed-off-by: Shiji Yang <yangshiji66@qq.com>
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
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: [PATCH 3/3] 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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--- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
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+++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt
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@@ -14,6 +14,9 @@ Required properties:
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- ralink,register-map : The register layout depends on the GPIO bank and actual
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SoC type. Register offsets need to be in this order.
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[ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ]
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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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@@ -25,6 +28,9 @@ 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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--- a/drivers/gpio/gpio-ralink.c
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+++ b/drivers/gpio/gpio-ralink.c
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@@ -174,7 +174,7 @@ static int gpio_map(struct irq_domain *d
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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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