Openwrt/target/linux/ramips/patches-5.4/0029-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch
DENG Qingfang c70545f397 ramips: copy patches and kernel config to 5.4
Copy patches and kernel config to 5.4 for ramips

Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
2020-04-04 12:04:13 +08:00

45 lines
1.3 KiB
Diff

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(-)
--- 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>;
--- a/drivers/gpio/gpio-ralink.c
+++ b/drivers/gpio/gpio-ralink.c
@@ -220,7 +220,7 @@ 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,
};