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129 lines
2.7 KiB
Diff
129 lines
2.7 KiB
Diff
From 31b85ba13aa394c98f2d6955b55f3f9a0623c14d Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 6 Jan 2015 12:06:55 +0000
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Subject: [PATCH 069/114] Fix the activity LED in DT mode
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Add a "leds" node to the base DTBs, and a subnode for the activity
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LED. You can change the LED function like this:
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dtparam=act_led_trigger=heartbeat
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Add aliases for the other main nodes (soc, intc).
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Issue: linux #757
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---
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arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 18 ++++++++++++++----
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arch/arm/boot/dts/bcm2708-rpi-b.dts | 18 ++++++++++++++----
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arch/arm/boot/dts/bcm2708.dtsi | 11 ++++++++++-
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3 files changed, 38 insertions(+), 9 deletions(-)
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--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
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@@ -7,11 +7,14 @@
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model = "Raspberry Pi Model B+";
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aliases {
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+ soc = &soc;
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spi0 = &spi0;
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i2c0 = &i2c0;
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i2c1 = &i2c1;
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i2s = &i2s;
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gpio = &gpio;
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+ intc = &intc;
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+ leds = &leds;
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sound = &sound;
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};
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@@ -80,12 +83,19 @@
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pinctrl-0 = <&i2s_pins>;
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};
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+&act_led {
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+ gpios = <&gpio 47 0>;
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+};
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/ {
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__overrides__ {
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- i2s = <&i2s>,"status";
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- spi = <&spi0>,"status";
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- i2c0 = <&i2c0>,"status";
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- i2c1 = <&i2c1>,"status";
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+ i2s = <&i2s>,"status";
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+ spi = <&spi0>,"status";
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+ i2c0 = <&i2c0>,"status";
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+ i2c1 = <&i2c1>,"status";
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+
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+ act_led_gpio = <&act_led>,"gpios:4";
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+ act_led_activelow = <&act_led>,"gpios:8";
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+ act_led_trigger = <&act_led>,"linux,default-trigger";
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};
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};
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--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
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@@ -7,11 +7,14 @@
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model = "Raspberry Pi Model B";
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aliases {
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+ soc = &soc;
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spi0 = &spi0;
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i2c0 = &i2c0;
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i2c1 = &i2c1;
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i2s = &i2s;
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gpio = &gpio;
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+ intc = &intc;
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+ leds = &leds;
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sound = &sound;
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};
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@@ -80,12 +83,19 @@
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pinctrl-0 = <&i2s_pins>;
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};
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+&act_led {
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+ gpios = <&gpio 16 1>;
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+};
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/ {
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__overrides__ {
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- i2s = <&i2s>,"status";
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- spi = <&spi0>,"status";
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- i2c0 = <&i2c0>,"status";
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- i2c1 = <&i2c1>,"status";
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+ i2s = <&i2s>,"status";
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+ spi = <&spi0>,"status";
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+ i2c0 = <&i2c0>,"status";
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+ i2c1 = <&i2c1>,"status";
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+
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+ act_led_gpio = <&act_led>,"gpios:4";
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+ act_led_activelow = <&act_led>,"gpios:8";
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+ act_led_trigger = <&act_led>,"linux,default-trigger";
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};
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};
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--- a/arch/arm/boot/dts/bcm2708.dtsi
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+++ b/arch/arm/boot/dts/bcm2708.dtsi
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@@ -11,7 +11,7 @@
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bootargs = "";
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};
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- soc {
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+ soc: soc {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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@@ -76,6 +76,15 @@
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#size-cells = <0>;
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status = "disabled";
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};
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+
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+ leds: leds {
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+ compatible = "gpio-leds";
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+
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+ act_led: act {
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+ label = "ACT";
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+ linux,default-trigger = "mmc0";
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+ };
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+ };
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};
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clocks {
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