mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
cd2114e19c
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> SVN-Revision: 48966
105 lines
4.1 KiB
Diff
105 lines
4.1 KiB
Diff
From 0dbc0fe760a54bbcff587657062df49dc0eaf2b9 Mon Sep 17 00:00:00 2001
|
|
From: Holger Steinhaus <hsteinhaus@gmx.de>
|
|
Date: Sat, 14 Nov 2015 18:37:43 +0100
|
|
Subject: [PATCH 106/170] dts: Added overlay for gpio_ir_recv driver
|
|
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
|
arch/arm/boot/dts/overlays/README | 18 ++++++++++-
|
|
arch/arm/boot/dts/overlays/gpio-ir-overlay.dts | 45 ++++++++++++++++++++++++++
|
|
3 files changed, 63 insertions(+), 1 deletion(-)
|
|
create mode 100644 arch/arm/boot/dts/overlays/gpio-ir-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -16,6 +16,7 @@ dtb-$(RPI_DT_OVERLAYS) += ads7846-overla
|
|
dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
|
|
+dtb-$(RPI_DT_OVERLAYS) += gpio-ir-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += gpio-poweroff-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += hifiberry-amp-overlay.dtb
|
|
dtb-$(RPI_DT_OVERLAYS) += hifiberry-dac-overlay.dtb
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -196,6 +196,22 @@ Params: int_pin GPIO us
|
|
speed SPI bus speed (default 12000000)
|
|
|
|
|
|
+Name: gpio-ir
|
|
+Info: Use GPIO pin as rc-core style infrared receiver input. The rc-core-
|
|
+ based gpio_ir_recv driver maps received keys directly to a
|
|
+ /dev/input/event* device, all decoding is done by the kernel - LIRC is
|
|
+ not required! The key mapping and other decoding parameters can be
|
|
+ configured by "ir-keytable" tool.
|
|
+Load: dtoverlay=gpio-ir,<param>=<val>
|
|
+Params: gpio_pin Input pin number. Default is 18.
|
|
+
|
|
+ gpio_pull Desired pull-up/down state (off, down, up)
|
|
+ Default is "down".
|
|
+
|
|
+ rc-map-name Default rc keymap (can also be changed by
|
|
+ ir-keytable), defaults to "rc-rc6-mce"
|
|
+
|
|
+
|
|
Name: gpio-poweroff
|
|
Info: Drives a GPIO high or low on reboot
|
|
Load: dtoverlay=gpio-poweroff,<param>=<val>
|
|
@@ -308,7 +324,7 @@ Params: <None>
|
|
Name: lirc-rpi
|
|
Info: Configures lirc-rpi (Linux Infrared Remote Control for Raspberry Pi)
|
|
Consult the module documentation for more details.
|
|
-Load: dtoverlay=lirc-rpi,<param>=<val>,...
|
|
+Load: dtoverlay=lirc-rpi,<param>=<val>
|
|
Params: gpio_out_pin GPIO for output (default "17")
|
|
|
|
gpio_in_pin GPIO for input (default "18")
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/gpio-ir-overlay.dts
|
|
@@ -0,0 +1,45 @@
|
|
+// Definitions for ir-gpio module
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/ {
|
|
+ compatible = "brcm,bcm2708";
|
|
+
|
|
+ fragment@0 {
|
|
+ target-path = "/";
|
|
+ __overlay__ {
|
|
+ gpio_ir: ir-receiver {
|
|
+ compatible = "gpio-ir-receiver";
|
|
+
|
|
+ // pin number, high or low
|
|
+ gpios = <&gpio 18 1>;
|
|
+
|
|
+ // parameter for keymap name
|
|
+ linux,rc-map-name = "rc-rc6-mce";
|
|
+
|
|
+ status = "okay";
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target = <&gpio>;
|
|
+ __overlay__ {
|
|
+ gpio_ir_pins: gpio_ir_pins {
|
|
+ brcm,pins = <18>; // pin 18
|
|
+ brcm,function = <0>; // in
|
|
+ brcm,pull = <1>; // down
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ __overrides__ {
|
|
+ // parameters
|
|
+ gpio_pin = <&gpio_ir>,"gpios:4",
|
|
+ <&gpio_ir_pins>,"brcm,pins:0",
|
|
+ <&gpio_ir_pins>,"brcm,pull:0"; // pin number
|
|
+ gpio_pull = <&gpio_ir_pins>,"brcm,pull:0"; // pull-up/down state
|
|
+
|
|
+ rc-map-name = <&gpio_ir>,"linux,rc-map-name"; // default rc map
|
|
+ };
|
|
+};
|