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