1 From d85c99545b883d49484f834b191472f079badc0e Mon Sep 17 00:00:00 2001
2 From: Holger Steinhaus <hsteinhaus@gmx.de>
3 Date: Sat, 14 Nov 2015 18:37:43 +0100
4 Subject: [PATCH 106/156] dts: Added overlay for gpio_ir_recv driver
7 arch/arm/boot/dts/overlays/Makefile | 1 +
8 arch/arm/boot/dts/overlays/README | 18 ++++++++++-
9 arch/arm/boot/dts/overlays/gpio-ir-overlay.dts | 45 ++++++++++++++++++++++++++
10 3 files changed, 63 insertions(+), 1 deletion(-)
11 create mode 100644 arch/arm/boot/dts/overlays/gpio-ir-overlay.dts
13 --- a/arch/arm/boot/dts/overlays/Makefile
14 +++ b/arch/arm/boot/dts/overlays/Makefile
15 @@ -16,6 +16,7 @@ dtb-$(RPI_DT_OVERLAYS) += ads7846-overla
16 dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
17 dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
18 dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
19 +dtb-$(RPI_DT_OVERLAYS) += gpio-ir-overlay.dtb
20 dtb-$(RPI_DT_OVERLAYS) += gpio-poweroff-overlay.dtb
21 dtb-$(RPI_DT_OVERLAYS) += hifiberry-amp-overlay.dtb
22 dtb-$(RPI_DT_OVERLAYS) += hifiberry-dac-overlay.dtb
23 --- a/arch/arm/boot/dts/overlays/README
24 +++ b/arch/arm/boot/dts/overlays/README
25 @@ -196,6 +196,22 @@ Params: int_pin GPIO us
26 speed SPI bus speed (default 12000000)
30 +Info: Use GPIO pin as rc-core style infrared receiver input. The rc-core-
31 + based gpio_ir_recv driver maps received keys directly to a
32 + /dev/input/event* device, all decoding is done by the kernel - LIRC is
33 + not required! The key mapping and other decoding parameters can be
34 + configured by "ir-keytable" tool.
35 +Load: dtoverlay=gpio-ir,<param>=<val>
36 +Params: gpio_pin Input pin number. Default is 18.
38 + gpio_pull Desired pull-up/down state (off, down, up)
41 + rc-map-name Default rc keymap (can also be changed by
42 + ir-keytable), defaults to "rc-rc6-mce"
46 Info: Drives a GPIO high or low on reboot
47 Load: dtoverlay=gpio-poweroff,<param>=<val>
48 @@ -308,7 +324,7 @@ Params: <None>
50 Info: Configures lirc-rpi (Linux Infrared Remote Control for Raspberry Pi)
51 Consult the module documentation for more details.
52 -Load: dtoverlay=lirc-rpi,<param>=<val>,...
53 +Load: dtoverlay=lirc-rpi,<param>=<val>
54 Params: gpio_out_pin GPIO for output (default "17")
56 gpio_in_pin GPIO for input (default "18")
58 +++ b/arch/arm/boot/dts/overlays/gpio-ir-overlay.dts
60 +// Definitions for ir-gpio module
65 + compatible = "brcm,bcm2708";
70 + gpio_ir: ir-receiver {
71 + compatible = "gpio-ir-receiver";
73 + // pin number, high or low
74 + gpios = <&gpio 18 1>;
76 + // parameter for keymap name
77 + linux,rc-map-name = "rc-rc6-mce";
87 + gpio_ir_pins: gpio_ir_pins {
88 + brcm,pins = <18>; // pin 18
89 + brcm,function = <0>; // in
90 + brcm,pull = <1>; // down
97 + gpio_pin = <&gpio_ir>,"gpios:4",
98 + <&gpio_ir_pins>,"brcm,pins:0",
99 + <&gpio_ir_pins>,"brcm,pull:0"; // pin number
100 + gpio_pull = <&gpio_ir_pins>,"brcm,pull:0"; // pull-up/down state
102 + rc-map-name = <&gpio_ir>,"linux,rc-map-name"; // default rc map