diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0078-Add-pps-gpio-DT-overlay.patch')
| -rwxr-xr-x | target/linux/brcm2708/patches-3.18/0078-Add-pps-gpio-DT-overlay.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0078-Add-pps-gpio-DT-overlay.patch b/target/linux/brcm2708/patches-3.18/0078-Add-pps-gpio-DT-overlay.patch new file mode 100755 index 0000000000..cb40c25e85 --- /dev/null +++ b/target/linux/brcm2708/patches-3.18/0078-Add-pps-gpio-DT-overlay.patch @@ -0,0 +1,68 @@ +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 + |