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- From 32afb8961b9c5f51dc8e88832f47b8ef197acf32 Mon Sep 17 00:00:00 2001
- From: Phil Elwell <phil@raspberrypi.org>
- Date: Tue, 15 Mar 2016 16:41:37 +0000
- Subject: [PATCH 188/381] BCM270X_DT: Build and document the wittypi overlay
- Signed-off-by: Phil Elwell <phil@raspberrypi.org>
- ---
- arch/arm/boot/dts/overlays/Makefile | 1 +
- arch/arm/boot/dts/overlays/README | 8 ++++++++
- arch/arm/boot/dts/overlays/wittypi-overlay.dts | 2 +-
- 3 files changed, 10 insertions(+), 1 deletion(-)
- --- a/arch/arm/boot/dts/overlays/Makefile
- +++ b/arch/arm/boot/dts/overlays/Makefile
- @@ -74,6 +74,7 @@ dtbo-$(RPI_DT_OVERLAYS) += vc4-kms-v3d.d
- dtbo-$(RPI_DT_OVERLAYS) += vga666.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += w1-gpio.dtbo
- dtbo-$(RPI_DT_OVERLAYS) += w1-gpio-pullup.dtbo
- +dtbo-$(RPI_DT_OVERLAYS) += wittypi.dtbo
-
- targets += dtbs dtbs_install
- targets += $(dtbo-y)
- --- a/arch/arm/boot/dts/overlays/README
- +++ b/arch/arm/boot/dts/overlays/README
- @@ -920,6 +920,14 @@ Params: gpiopin GPIO for
- extpullup GPIO for external pullup (default "5")
-
-
- +Name: wittypi
- +Info: Configures the wittypi RTC module.
- +Load: dtoverlay=wittypi,<param>=<val>
- +Params: led_gpio GPIO for LED (default "17")
- + led_trigger Choose which activity the LED tracks (default
- + "default-on")
- +
- +
- Troubleshooting
- ===============
-
- --- a/arch/arm/boot/dts/overlays/wittypi-overlay.dts
- +++ b/arch/arm/boot/dts/overlays/wittypi-overlay.dts
- @@ -37,7 +37,7 @@
- };
-
- __overrides__ {
- - led_gpio = <&wittypi_led>,"gpios:4";
- + led_gpio = <&wittypi_led>,"gpios:4";
- led_trigger = <&wittypi_led>,"linux,default-trigger";
- };
-
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