diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0157-add-gpio-key-overlay-2329.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0157-add-gpio-key-overlay-2329.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0157-add-gpio-key-overlay-2329.patch b/target/linux/brcm2708/patches-4.14/950-0157-add-gpio-key-overlay-2329.patch deleted file mode 100644 index f486ece958..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0157-add-gpio-key-overlay-2329.patch +++ /dev/null @@ -1,104 +0,0 @@ -From e8a650fc27bf1e7d858c997fddd9944e6c222260 Mon Sep 17 00:00:00 2001 -From: Aaron Shaw <shawaj@gmail.com> -Date: Thu, 4 Jan 2018 15:02:16 +0000 -Subject: [PATCH 157/454] add gpio-key overlay (#2329) - -An overlay that allows a Linux key to be bound to a GPIO. ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 21 ++++++++ - .../boot/dts/overlays/gpio-key-overlay.dts | 48 +++++++++++++++++++ - 3 files changed, 70 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/gpio-key-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -31,6 +31,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - googlevoicehat-soundcard.dtbo \ - gpio-ir.dtbo \ - gpio-ir-tx.dtbo \ -+ gpio-key.dtbo \ - gpio-poweroff.dtbo \ - gpio-shutdown.dtbo \ - hifiberry-amp.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -515,6 +515,27 @@ Params: gpio_pin Output G - Default is "0" (active-high). - - -+Name: gpio-key -+Info: This is a generic overlay for activating GPIO keypresses using -+ the gpio-keys library and this dtoverlay. Multiple keys can be -+ set up using multiple calls to the overlay for configuring -+ additional buttons or joysticks. You can see available keycodes -+ at https://github.com/torvalds/linux/blob/v4.12/include/uapi/ -+ linux/input-event-codes.h#L64 -+Load: dtoverlay=gpio-key,<param>=<val> -+Params: gpio GPIO pin to trigger on (default 3) -+ active_low When this is 1 (active low), a falling -+ edge generates a key down event and a -+ rising edge generates a key up event. -+ When this is 0 (active high), this is -+ reversed. The default is 1 (active low) -+ gpio_pull Desired pull-up/down state (off, down, up) -+ Default is "up". Note that the default pin -+ (GPIO3) has an external pullup -+ label Set a label for the key -+ keycode Set the key code for the button -+ -+ - Name: gpio-poweroff - Info: Drives a GPIO high or low on poweroff (including halt). Enabling this - overlay will prevent the ability to boot by driving GPIO3 low. ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/gpio-key-overlay.dts -@@ -0,0 +1,48 @@ -+// Definitions for gpio-key module -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ // Configure the gpio pin controller -+ target = <&gpio>; -+ __overlay__ { -+ pin_state: button_pins@0 { -+ brcm,pins = <3>; // gpio number -+ brcm,function = <0>; // 0 = input, 1 = output -+ brcm,pull = <2>; // 0 = none, 1 = pull down, 2 = pull up -+ }; -+ }; -+ }; -+ fragment@1 { -+ target-path = "/"; -+ __overlay__ { -+ button: button@0 { -+ compatible = "gpio-keys"; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&pin_state>; -+ status = "okay"; -+ -+ key: key { -+ linux,code = <116>; -+ gpios = <&gpio 3 1>; -+ label = "KEY_POWER"; -+ }; -+ }; -+ }; -+ }; -+ -+ __overrides__ { -+ gpio = <&key>,"gpios:4", -+ <&button>,"reg:0", -+ <&pin_state>,"brcm,pins:0", -+ <&pin_state>,"reg:0"; -+ label = <&key>,"label"; -+ keycode = <&key>,"linux,code:0"; -+ gpio_pull = <&pin_state>,"brcm,pull:0"; -+ active_low = <&key>,"gpios:8"; -+ }; -+ -+}; |