68 lines
1.8 KiB
Diff
Executable file
68 lines
1.8 KiB
Diff
Executable file
From 4cd9d10a9cd482e993dcfe3bd1d576ad0d11c3c3 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Mon, 26 Jan 2015 09:18:24 +0000
|
|
Subject: [PATCH 078/114] Add pps-gpio DT overlay
|
|
|
|
Parameters:
|
|
gpiopin=<input pin> // Default 18
|
|
---
|
|
arch/arm/boot/dts/Makefile | 1 +
|
|
arch/arm/boot/dts/pps-gpio-overlay.dts | 34 ++++++++++++++++++++++++++++++++++
|
|
2 files changed, 35 insertions(+)
|
|
create mode 100644 arch/arm/boot/dts/pps-gpio-overlay.dts
|
|
|
|
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
|
|
index 4e1ec2d..4d1224b 100644
|
|
--- a/arch/arm/boot/dts/Makefile
|
|
+++ b/arch/arm/boot/dts/Makefile
|
|
@@ -62,6 +62,7 @@ dtb-$(CONFIG_BCM2708_DT) += hifiberry-amp-overlay.dtb
|
|
dtb-$(CONFIG_BCM2708_DT) += iqaudio-dac-overlay.dtb
|
|
dtb-$(CONFIG_BCM2708_DT) += iqaudio-dacplus-overlay.dtb
|
|
dtb-$(CONFIG_BCM2708_DT) += lirc-rpi-overlay.dtb
|
|
+dtb-$(CONFIG_BCM2708_DT) += pps-gpio-overlay.dtb
|
|
dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb
|
|
dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb
|
|
dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
|
|
diff --git a/arch/arm/boot/dts/pps-gpio-overlay.dts b/arch/arm/boot/dts/pps-gpio-overlay.dts
|
|
new file mode 100644
|
|
index 0000000..40bf0e1
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/pps-gpio-overlay.dts
|
|
@@ -0,0 +1,34 @@
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/ {
|
|
+ compatible = "brcm,bcm2708";
|
|
+ fragment@0 {
|
|
+ target-path = "/";
|
|
+ __overlay__ {
|
|
+ pps: pps {
|
|
+ compatible = "pps-gpio";
|
|
+ pinctrl-names = "default";
|
|
+ pinctrl-0 = <&pps_pins>;
|
|
+ gpios = <&gpio 18 0>;
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target = <&gpio>;
|
|
+ __overlay__ {
|
|
+ pps_pins: pps_pins {
|
|
+ brcm,pins = <18>;
|
|
+ brcm,function = <0>; // in
|
|
+ brcm,pull = <0>; // off
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ __overrides__ {
|
|
+ gpiopin = <&pps>,"gpios:4",
|
|
+ <&pps_pins>,"brcm,pins:0";
|
|
+ };
|
|
+};
|
|
--
|
|
1.8.3.2
|
|
|