From c291f76d24a4190551a42b7b77a2cfeb3f4d36f9 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Wed, 11 Feb 2015 10:17:55 +0000 Subject: brcm2708: update to v3.18 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44392 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../0070-Adding-w1-gpio-device-tree-overlays.patch | 115 +++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100755 target/linux/brcm2708/patches-3.18/0070-Adding-w1-gpio-device-tree-overlays.patch (limited to 'target/linux/brcm2708/patches-3.18/0070-Adding-w1-gpio-device-tree-overlays.patch') diff --git a/target/linux/brcm2708/patches-3.18/0070-Adding-w1-gpio-device-tree-overlays.patch b/target/linux/brcm2708/patches-3.18/0070-Adding-w1-gpio-device-tree-overlays.patch new file mode 100755 index 0000000000..772a550880 --- /dev/null +++ b/target/linux/brcm2708/patches-3.18/0070-Adding-w1-gpio-device-tree-overlays.patch @@ -0,0 +1,115 @@ +From 2fea9b14e39bd6c64e362ba7d170b67d09206987 Mon Sep 17 00:00:00 2001 +From: Phil Elwell +Date: Thu, 15 Jan 2015 10:39:06 +0000 +Subject: [PATCH 070/114] Adding w1-gpio device tree overlays + +N.B. Requires firmware supporting multi-target overrides + +w1-gpio-overlay: + Use if a pullup pin is not required. + Parameters: + gpiopin= // default 4 + +w1-gpio-pullup-overlay: + Use if a pullup pin is required. + Parameters: + gpiopin= // default 4 + pullup= // default 5 +--- + arch/arm/boot/dts/w1-gpio-overlay.dts | 37 ++++++++++++++++++++++++++ + arch/arm/boot/dts/w1-gpio-pullup-overlay.dts | 39 ++++++++++++++++++++++++++++ + 2 files changed, 76 insertions(+) + create mode 100644 arch/arm/boot/dts/w1-gpio-overlay.dts + create mode 100644 arch/arm/boot/dts/w1-gpio-pullup-overlay.dts + +diff --git a/arch/arm/boot/dts/w1-gpio-overlay.dts b/arch/arm/boot/dts/w1-gpio-overlay.dts +new file mode 100644 +index 0000000..b2c5ee2 +--- /dev/null ++++ b/arch/arm/boot/dts/w1-gpio-overlay.dts +@@ -0,0 +1,37 @@ ++// Definitions for lirc-rpi module ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target-path = "/"; ++ __overlay__ { ++ ++ w1: onewire@0 { ++ compatible = "w1-gpio"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&w1_pins>; ++ gpios = <&gpio 4 0>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&gpio>; ++ __overlay__ { ++ w1_pins: w1_pins { ++ brcm,pins = <4>; ++ brcm,function = <0>; // in (initially) ++ brcm,pull = <0>; // off ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ gpiopin = <&w1>,"gpios:4", ++ <&w1_pins>,"brcm,pins:0"; ++ }; ++}; +diff --git a/arch/arm/boot/dts/w1-gpio-pullup-overlay.dts b/arch/arm/boot/dts/w1-gpio-pullup-overlay.dts +new file mode 100644 +index 0000000..b3e97c2 +--- /dev/null ++++ b/arch/arm/boot/dts/w1-gpio-pullup-overlay.dts +@@ -0,0 +1,39 @@ ++// Definitions for lirc-rpi module ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2708"; ++ ++ fragment@0 { ++ target-path = "/"; ++ __overlay__ { ++ ++ w1: onewire@0 { ++ compatible = "w1-gpio"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&w1_pins>; ++ gpios = <&gpio 4 0>, <&gpio 5 1>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&gpio>; ++ __overlay__ { ++ w1_pins: w1_pins { ++ brcm,pins = <4 5>; ++ brcm,function = <0 1>; // in out ++ brcm,pull = <0 0>; // off off ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ gpiopin = <&w1>,"gpios:4", ++ <&w1_pins>,"brcm,pins:0"; ++ pullup = <&w1>,"gpios:16", ++ <&w1_pins>,"brcm,pins:4"; ++ }; ++}; +-- +1.8.3.2 + -- cgit v1.2.3