Try labeling them exactly as they are labled here
https://github.com/beagleboard/linux/blob/3.8/arch/arm/boot/dts/am335x-bone-common.dtsi#L63-L95
gpio-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&userled_pins>;
led0 {
label = "beaglebone:green:usr0";
gpios = <&gpio2 21 0>;
linux,default-trigger = "heartbeat";
default-state = "off";
};
led1 {
label = "beaglebone:green:usr1";
gpios = <&gpio2 22 0>;
linux,default-trigger = "mmc0";
default-state = "off";
};
led2 {
label = "beaglebone:green:usr2";
gpios = <&gpio2 23 0>;
linux,default-trigger = "cpu0";
default-state = "off";
};
led3 {
label = "beaglebone:green:usr3";
gpios = <&gpio2 24 0>;
default-state = "off";
linux,default-trigger = "mmc1";
};
};
On Fri, Apr 25, 2014 at 7:12 AM, <[email protected]> wrote:
> Hi Forum,
>
> I am attempting to create a device overaly to turn off the USR0-3 on
> Ubuntu 13.10 (Linux ubuntu-armhf 3.8.13-bone30) on my Beagle Bone Black
> A5C.
>
> I have performed the following process - but the USR0-3 LEDs continue to
> flash. I expected all of them to turn off and have trigger state of
> "[none]"
>
> The DTS (BBB-LEDS-00A0.dts) file I have created is as follows
>
> /dts-v1/;
> /plugin/;
> /
> {
> compatible = "ti,beaglebone", "ti,beaglebone-black";
> part-number = "BBB-LEDS-00A0";
> version = "00A0";
> fragment@0
> {
> target = <&ocp>;
> __overlay__
> {
> gpio-leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> pinctrl-0 = <&userled_pins>;
> led0 {
> label = "beaglebone:green:usr0";
> gpios = <&gpio2 0x15 0x0>;
> linux,default-trigger = "none";
> default-state = "off";
> };
> led1 {
> label = "beaglebone:green:usr0";
> gpios = <&gpio2 0x16 0x0>;
> linux,default-trigger = "none";
> default-state = "off";
> };
> led2 {
> label = "beaglebone:green:usr0";
> gpios = <&gpio2 0x17 0x0>;
> linux,default-trigger = "none";
> default-state = "off";
> };
> led3 {
> label = "beaglebone:green:usr0";
> gpios = <&gpio2 0x18 0x0>;
> linux,default-trigger = "none";
> default-state = "off";
> };
> };
> };
> };
> };
>
> I have the latest dtc with the patches from Robert Nelson ( wget -c
> https://raw.github.com/RobertCNelson/tools/master/pkgs/dtc.sh)
>
> I compile the DTS file using
>
> dtc -O dtb -o BBB-LEDS-00A0.dtbo -b 0 -@ BBB-LEDS-00A0.dts
> Copy the generated dtbo file to /lib/firmware
>
> sudo cp BBB-LEDS-00A0.dtbo /lib/firmware/
> Load the device tree overlay using
>
> sudo sh -c "echo BBB-LEDS > /sys/devices/bone_capemgr.9/slots"
> I see the slots that the "cape" is loaded
> 0: 54:PF---
> 1: 55:PF---
> 2: 56:PF---
> 3: 57:PF---
> 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
> 5: ff:P-O-L Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
> 8: ff:P-O-L Override Board Name,00A0,Override Manuf,BBB-LEDS
> From dmesg all seems okay as well
> [20729.329645] bone-capemgr bone_capemgr.9: part_number 'BBB-LEDS',
> version 'N/A'
> [20729.329832] bone-capemgr bone_capemgr.9: slot #8: generic override
> [20729.329882] bone-capemgr bone_capemgr.9: bone: Using override eeprom
> data at slot 8
> [20729.329933] bone-capemgr bone_capemgr.9: slot #8: 'Override Board
> Name,00A0,Override Manuf,BBB-LEDS'
> [20729.330218] bone-capemgr bone_capemgr.9: slot #8: Requesting part
> number/version based 'BBB-LEDS-00A0.dtbo
> [20729.330273] bone-capemgr bone_capemgr.9: slot #8: Requesting firmware
> 'BBB-LEDS-00A0.dtbo' for board-name 'Override Board Name', version '00A0'
> [20729.333640] bone-capemgr bone_capemgr.9: slot #8: dtbo
> 'BBB-LEDS-00A0.dtbo' loaded; converting to live tree
> [20729.334146] bone-capemgr bone_capemgr.9: slot #8: #1 overlays
> [20729.334750] bone-capemgr bone_capemgr.9: slot #8: Applied #1 overlays.
> Could someone point me as towards what I have done wrong?
>
> Thanks
>
> Stuart
>
>
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