On Saturday, May 27, 2017 at 2:20:53 PM UTC-5, William Hermans wrote:
>
> Yes,
>
> echo BB-BONE-SWI:00A0
>
> needs to change to:
>
> echo BB-BONE-SWI
>
>
> Well, I still get the
sh: echo: I/O error
message.
Here's the dts file :
______________________________
/dts-v1/;
/plugin/;
/ {
compatible = "ti,beaglebone", "ti,beaglebone-black";
part-number = "BB-BONE-SWI";
version = "00A0";
exclusive-use =
"P8.25",
"P8.24",
"P8.5",
"P8.6",
"P8.23",
"P8.22",
"P8.3",
"P8.4",
"P8.12",
"P8.11",
"P8.16",
"P8.15";
fragment@0 {
target = <&am33xx_pinmux>;
__overlay__ {
mygpio: pinmux_mygpio{
pinctrl-single,pins = <
0x000 0xf // P8.25 GPIO 1.0
0x004 0xf // P8.24 GPIO 1.1
0x008 0xf // P8.5 GPIO 1.2
0x00c 0xf // P8.6 GPIO 1.3
0x010 0xf // P8.23 GPIO 1.4
0x014 0xf // P8.22 GPIO 1.5
0x018 0xf // P8.3 GPIO 1.6
0x01c 0xf // P8.4 GPIO 1.7
0x030 0xf // P8.12 GPIO 1.12
0x034 0xf // P8.11 GPIO 1.13
0x038 0xf // P8.16 GPIO 1.14
0x03c 0xf // P8.15 GPIO 1.15
>;
};
};
};
fragment@1 {
target = <&ocp>;
__overlay__ {
test_helper: helper {
compatible = "bone-pinmux-helper";
pinctrl-names = "default";
pinctrl-0 = <&mygpio>;
status = "okay";
};
};
};
fragment@2{
target = <&pruss>;
__overlay__ {
status = "okay";
};
};
};
_____________________________________________
and here's my compile and load overlay file :
_____________________________________________
dtc -O dtb -o BB-BONE-SWI.dtbo -b o -@ BB-BONE-SWI.dts
cp BB-BONE-SWI.dtbo /lib/firmware/
echo BB-BONE-SWI.dtbo > /sys/devices/platform/bone_capemgr/slots
more /sys/devices/platform/bone_capemgr/slots
__________________________________
This is derived from working dts and compile/load files from another
project based on an earlier kernel.
Thanks much for any help with this!
Jon
--
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