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Software i2c addr aliasing #327

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Merged
ymodlin merged 8 commits into from
Feb 19, 2026
Merged

Software i2c addr aliasing #327

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9861bbc
Software i2c addr aliasing
ejgoldik Dec 15, 2025
929410d
Add i2c SW aliasing to Orin
ejgoldik Dec 15, 2025
d80c39e
probe_flow_documentation
ejgoldik Dec 30, 2025
1d521c4
Remove dead IPU6 code
ejgoldik Dec 30, 2025
9d9ba40
Make aliasing optional
ejgoldik Dec 31, 2025
b685903
Fix override reg for Orin
ejgoldik Jan 5, 2026
e8586b3
Reverse order in Orin overlay
ejgoldik Feb 15, 2026
27130dd
Remove unnecessary define from d4xx
ejgoldik Feb 18, 2026
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53 changes: 18 additions & 35 deletions hardware/realsense/tegra194-camera-d4xx-single.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,7 @@
maxim,gmsl-dser-device = <&dser>;
};

d4m0: d4m@1a {
ds5_0: ds5@1a {
status = "ok";
def-addr = <0x10>;
reg = <0x1a>;
Expand All @@ -120,7 +120,7 @@

port@0 {
reg = <0>;
d4m0_out: endpoint {
ds5_0_out: endpoint {
port-index = <0>;
bus-width = <2>;
remote-endpoint = <&csi_in0>;
Expand Down Expand Up @@ -149,19 +149,12 @@
num-lanes = <2>;
};
};
};

i2c@1 {
status = "ok";
reg = <0x3>; // line 18-19 of the I2C switch
#address-cells = <0x1>;
i2c-mux,deselect-on-exit;
#size-cells = <0x0>;

d4m1: d4m@1a {
ds5_1: ds5@1b {
status = "ok";
def-addr = <0x10>;
reg = <0x1a>;
reg = <0x1b>;
override_reg = <0x1a>;
compatible = "intel,d4xx";
vcc-supply = <&p2822_vdd_1v8_cvb>;
cam-type = "RGB";
Expand All @@ -173,7 +166,7 @@

port@0 {
reg = <0>;
d4m1_out: endpoint {
ds5_1_out: endpoint {
port-index = <1>;
bus-width = <2>;
remote-endpoint = <&csi_in1>;
Expand Down Expand Up @@ -202,17 +195,12 @@
num-lanes = <2>;
};
};
};
i2c@2 {
reg = <0x4>; // line 4 of the I2C switch
#address-cells = <0x1>;
i2c-mux,deselect-on-exit;
#size-cells = <0x0>;

d4m2: d4m@1a {
ds5_2: ds5@1c {
status = "ok";
def-addr = <0x10>;
reg = <0x1a>;
reg = <0x1c>;
override_reg = <0x1a>;
compatible = "intel,d4xx";
vcc-supply = <&p2822_vdd_1v8_cvb>;
cam-type = "Y8";
Expand All @@ -224,7 +212,7 @@

port@0 {
reg = <0>;
d4m2_out: endpoint {
ds5_2_out: endpoint {
port-index = <2>;
bus-width = <2>;
remote-endpoint = <&csi_in2>;
Expand Down Expand Up @@ -254,17 +242,12 @@
num-lanes = <2>;
};
};
};
i2c@3 {
reg = <0x5>; // line 4 of the I2C switch
#address-cells = <0x1>;
i2c-mux,deselect-on-exit;
#size-cells = <0x0>;

d4m3: d4m@1a {
ds5_3: ds5@1d {
status = "ok";
def-addr = <0x10>;
reg = <0x1a>;
reg = <0x1d>;
override_reg = <0x1a>;
compatible = "intel,d4xx";
vcc-supply = <&p2822_vdd_1v8_cvb>;
cam-type = "IMU";
Expand All @@ -276,7 +259,7 @@

port@0 {
reg = <0>;
d4m3_out: endpoint {
ds5_3_out: endpoint {
port-index = <3>;
bus-width = <2>;
remote-endpoint = <&csi_in3>;
Expand Down Expand Up @@ -332,7 +315,7 @@
status = "ok";
port-index = <0>;
bus-width = <2>;
remote-endpoint = <&d4m0_out>;
remote-endpoint = <&ds5_0_out>;
};
};
port@1 {
Expand Down Expand Up @@ -362,7 +345,7 @@
status = "ok";
port-index = <0>;
bus-width = <2>;
remote-endpoint = <&d4m1_out>;
remote-endpoint = <&ds5_1_out>;
};
};
port@1 {
Expand Down Expand Up @@ -392,7 +375,7 @@
status = "ok";
port-index = <0>;
bus-width = <2>;
remote-endpoint = <&d4m2_out>;
remote-endpoint = <&ds5_2_out>;
};
};
port@1 {
Expand Down Expand Up @@ -421,7 +404,7 @@
status = "ok";
port-index = <0>;
bus-width = <2>;
remote-endpoint = <&d4m3_out>;
remote-endpoint = <&ds5_3_out>;
};
};
port@1 {
Expand Down
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