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-rw-r--r--target/linux/brcm2708/patches-4.4/0105-dts-Added-overlay-for-gpio_ir_recv-driver.patch104
1 files changed, 104 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0105-dts-Added-overlay-for-gpio_ir_recv-driver.patch b/target/linux/brcm2708/patches-4.4/0105-dts-Added-overlay-for-gpio_ir_recv-driver.patch
new file mode 100644
index 0000000000..22de121f2d
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0105-dts-Added-overlay-for-gpio_ir_recv-driver.patch
@@ -0,0 +1,104 @@
+From cbb80e24a9db48390c82c7030cc7f7389aee953f Mon Sep 17 00:00:00 2001
+From: Holger Steinhaus <hsteinhaus@gmx.de>
+Date: Sat, 14 Nov 2015 18:37:43 +0100
+Subject: [PATCH 105/232] 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
++ };
++};