taotien/NOflake
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

rpi4 overlay workaround

Browse source
This commit is contained in:
Tao Tien 2023-09-30 23:38:04 -07:00
parent c42b395f50
commit ff10517a92
1 changed files with 73 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

80
systems/NObangers.nix
View file

@ -46,16 +46,82 @@
deviceTree = {
enable = true;
filter = "*rpi-4-*.dtb";
]
};
};
hardware.deviceTree.overlays = [{
name = hifiberry-dacplusadc";
dtsText = ''
''
}
];
hardware.deviceTree.overlays = [{
name = "hifiberry-dacplusadc";
dtsText = ''
// Definitions for HiFiBerry DAC+
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2711";
fragment@0 {
target-path = "/";
__overlay__ {
dacpro_osc: dacpro_osc {
compatible = "hifiberry,dacpro-clk";
#clock-cells = <0>;
};
};
};
frag1: fragment@1 {
target = <&i2s_clk_consumer>;
__overlay__ {
status = "okay";
};
};
fragment@2 {
target = <&i2c1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
pcm5122@4d {
#sound-dai-cells = <0>;
compatible = "ti,pcm5122";
reg = <0x4d>;
clocks = <&dacpro_osc>;
AVDD-supply = <&vdd_3v3_reg>;
DVDD-supply = <&vdd_3v3_reg>;
CPVDD-supply = <&vdd_3v3_reg>;
status = "okay";
};
hpamp: hpamp@60 {
compatible = "ti,tpa6130a2";
reg = <0x60>;
status = "disabled";
};
};
};
fragment@3 {
target = <&sound>;
hifiberry_dacplus: __overlay__ {
compatible = "hifiberry,hifiberry-dacplus";
i2s-controller = <&i2s_clk_consumer>;
status = "okay";
};
};
__overrides__ {
24db_digital_gain =
<&hifiberry_dacplus>,"hifiberry,24db_digital_gain?";
slave = <&hifiberry_dacplus>,"hifiberry-dacplus,slave?",
<&frag1>,"target:0=",<&i2s_clk_producer>,
<&hifiberry_dacplus>,"i2s-controller:0=",<&i2s_clk_producer>;
leds_off = <&hifiberry_dacplus>,"hifiberry-dacplus,leds_off?";
};
};
'';
}];
nixpkgs.hostPlatform = "aarch64-linux";
system.stateVersion = "23.11";