Skip to content

Added device tree overlays for the rpi-power HAT. #7036

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 4, 2025
+132 −0
Merged

Added device tree overlays for the rpi-power HAT. #7036

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions arch/arm/boot/dts/overlays/Makefile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -247,6 +247,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
rpi-fw-uart.dtbo \
rpi-poe.dtbo \
rpi-poe-plus.dtbo \
rpi-power-hat-b.dtbo \
rpi-power-hat-t.dtbo \
rpi-sense.dtbo \
rpi-sense-v2.dtbo \
rpi-tv.dtbo \
Expand Down
12 changes: 12 additions & 0 deletions arch/arm/boot/dts/overlays/README
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4461,6 +4461,18 @@ Params: poe_fan_temp0 Temperature (in millicelcius) at which the fan
the firmware.


Name: rpi-power-hat-b
Info: Raspberry Pi Power HAT Bottom
Load: dtoverlay=rpi-power-hat-b
Params: <None>


Name: rpi-power-hat-t
Info: Raspberry Pi Power HAT Top
Load: dtoverlay=rpi-power-hat-t
Params: <None>


Name: rpi-proto
Info: This overlay has been renamed to proto-codec.
Load: <Deprecated>
Expand Down
59 changes: 59 additions & 0 deletions arch/arm/boot/dts/overlays/rpi-power-hat-b-overlay.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,59 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/dts-v1/;
/plugin/;

// Overlay for the Raspberry Pi Power Hat.
// 1 of 2 overlays required for top/bottom interchangeability

/ {
compatible = "brcm,bcm2835";

fragment@0 {
target = <&i2c1>;
__overlay__ {

#address-cells = <1>;
#size-cells = <0>;

power_control: fxl6408@43 {
reg = <0x43>;
compatible = "fcs,fxl6408";
gpio-controller;
#gpio-cells = <2>;
gpio-line-names =
"B1_PWR",
"B2_PWR",
"B3",
"B4",
"B5",
"B6",
"B7",
"B8";
};

pwr1_monitor: ina260@42 {
reg = <0x42>;
compatible = "ti,ina260";
};

pwr2_monitor: ina260@4c {
reg = <0x4c>;
compatible = "ti,ina260";
};
};
};

fragment@1 {
target-path = "/";
__overlay__ {
rpi_power_hat_b: rpi-power-hat-b {
compatible = "raspberrypi,rpi-power-hat-b";

// References to the I2C devices
power-controller = <&power_control>;
power1-monitor = <&pwr1_monitor>;
power2-monitor = <&pwr2_monitor>;
};
};
};
};
59 changes: 59 additions & 0 deletions arch/arm/boot/dts/overlays/rpi-power-hat-t-overlay.dts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,59 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/dts-v1/;
/plugin/;

// Overlay for the Raspberry Pi Power Hat.
// 2 of 2 overlays required for top/bottom interchangeability

/ {
compatible = "brcm,bcm2835";

fragment@0 {
target = <&i2c1>;
__overlay__ {

#address-cells = <1>;
#size-cells = <0>;

power_control: fxl6408@44 {
reg = <0x44>;
compatible = "fcs,fxl6408";
gpio-controller;
#gpio-cells = <2>;
gpio-line-names =
"T1_PWR",
"T2_PWR",
"T3",
"T4",
"T5",
"T6",
"T7",
"T8";
};

pwr1_monitor: ina260@46 {
reg = <0x46>;
compatible = "ti,ina260";
};

pwr2_monitor: ina260@4d {
reg = <0x4d>;
compatible = "ti,ina260";
};
};
};

fragment@1 {
target-path = "/";
__overlay__ {
rpi_power_hat_t: rpi-power-hat-t {
compatible = "raspberrypi,rpi-power-hat-t";

// References to the I2C devices
power-controller = <&power_control>;
power1-monitor = <&pwr1_monitor>;
power2-monitor = <&pwr2_monitor>;
};
};
};
};