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raspberry-pi/4: support 4lane csi

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This commit is contained in:
Jasper Chan
2024-05-24 00:34:42 -07:00
parent 497ae1357f
commit 6015af43f3
1 changed files with 50 additions and 13 deletions
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63
raspberry-pi/4/tc358743.nix
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@@ -13,6 +13,16 @@ in
running ustreamer (which starts webservice providing a camera stream):
''${pkgs.ustreamer}/bin/ustreamer --persistent --dv-timings
'';
lanes = lib.mkOption {
type = lib.types.enum [
2
4
];
default = 2;
description = ''
Number of CSI lanes available
'';
};
};
};
@@ -74,17 +84,31 @@ in
fragment@2 {
target = <0x03>;
__overlay__ {
data-lanes = <0x01 0x02>;
};
${
if cfg.lanes == 2 then
''
__overlay__ {
data-lanes = <0x01 0x02>;
};
''
else
""
}
};
fragment@3 {
target = <0x03>;
__dormant__ {
data-lanes = <0x01 0x02 0x03 0x04>;
};
${
if cfg.lanes == 4 then
''
__overlay__ {
data-lanes = <0x01 0x02 0x03 0x04>;
};
''
else
""
}
};
fragment@4 {
@@ -120,21 +144,34 @@ in
fragment@7 {
target = <0x02>;
__overlay__ {
data-lanes = <0x01 0x02>;
};
${
if cfg.lanes == 2 then
''
__overlay__ {
data-lanes = <0x01 0x02>;
};
''
else
""
}
};
fragment@8 {
target = <0x02>;
__dormant__ {
data-lanes = <0x01 0x02 0x03 0x04>;
};
${
if cfg.lanes == 4 then
''
__overlay__ {
data-lanes = <0x01 0x02 0x03 0x04>;
};
''
else
""
}
};
__overrides__ {
4lane = "\0\0\0\0-2+3-7+8";
link-frequency = [00 00 00 03 6c 69 6e 6b 2d 66 72 65 71 75 65 6e 63 69 65 73 23 30 00];
};