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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/mfd/retu.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/retu.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/retu.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/retu.txt b/Documentation/devicetree/bindings/mfd/retu.txt new file mode 100644 index 000000000..df3005dd3 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/retu.txt @@ -0,0 +1,24 @@ +* Device tree bindings for Nokia Retu and Tahvo multi-function device + +Retu and Tahvo are a multi-function devices found on Nokia Internet +Tablets (770, N800 and N810). The Retu chip provides watchdog timer +and power button control functionalities while Tahvo chip provides +USB transceiver functionality. + +Required properties: +- compatible: "nokia,retu" or "nokia,tahvo" +- reg: Specifies the CBUS slave address of the ASIC chip +- interrupts: The interrupt line the device is connected to + +Example: + +cbus0 { + compatible = "i2c-cbus-gpio"; + ... + retu: retu@1 { + compatible = "nokia,retu"; + interrupt-parent = <&gpio4>; + interrupts = <12 IRQ_TYPE_EDGE_RISING>; + reg = <0x1>; + }; +}; |