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50 lines
1.7 KiB
50 lines
1.7 KiB
From 3259cf06132d0987314a37f39b0b18750b127eba Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 15 Mar 2016 16:41:37 +0000
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Subject: [PATCH 189/232] BCM270X_DT: Build and document the wittypi overlay
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 8 ++++++++
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arch/arm/boot/dts/overlays/wittypi-overlay.dts | 2 +-
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3 files changed, 10 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -74,6 +74,7 @@ dtbo-$(RPI_DT_OVERLAYS) += vc4-kms-v3d.d
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dtbo-$(RPI_DT_OVERLAYS) += vga666.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += w1-gpio.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += w1-gpio-pullup.dtbo
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+dtbo-$(RPI_DT_OVERLAYS) += wittypi.dtbo
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targets += dtbs dtbs_install
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targets += $(dtbo-y)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -920,6 +920,14 @@ Params: gpiopin GPIO for
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extpullup GPIO for external pullup (default "5")
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+Name: wittypi
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+Info: Configures the wittypi RTC module.
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+Load: dtoverlay=wittypi,<param>=<val>
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+Params: led_gpio GPIO for LED (default "17")
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+ led_trigger Choose which activity the LED tracks (default
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+ "default-on")
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+
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+
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Troubleshooting
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===============
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--- a/arch/arm/boot/dts/overlays/wittypi-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/wittypi-overlay.dts
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@@ -37,7 +37,7 @@
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};
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__overrides__ {
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- led_gpio = <&wittypi_led>,"gpios:4";
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+ led_gpio = <&wittypi_led>,"gpios:4";
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led_trigger = <&wittypi_led>,"linux,default-trigger";
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};
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