On 11.08.2024 4:28 PM, Krzysztof Kozlowski wrote: > On 10/08/2024 03:28, Konrad Dybcio wrote: >> From: Konrad Dybcio <quic_kdybcio@xxxxxxxxxxx> >> >> Add bindings for the Surface System Aggregator Module (SAM/SSAM), the >> Microsoft Surface-standard Embedded Controller, used on both x86- and >> Qualcomm-based devices. >> >> It provides a plethora of functions, depending on what's wired up to >> it. That includes but is not limited to: fan control, keyboard/touchpad >> support, thermal sensors, power control, special buttons, tablet mode. >> >> Signed-off-by: Konrad Dybcio <quic_kdybcio@xxxxxxxxxxx> >> --- >> .../bindings/platform/microsoft,surface-sam.yaml | 50 ++++++++++++++++++++++ >> 1 file changed, 50 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/platform/microsoft,surface-sam.yaml b/Documentation/devicetree/bindings/platform/microsoft,surface-sam.yaml >> new file mode 100644 >> index 000000000000..f613738aa31d >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/platform/microsoft,surface-sam.yaml >> @@ -0,0 +1,50 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/platform/microsoft,surface-sam.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Surface System Aggregator Module (SAM, SSAM) >> + >> +maintainers: >> + - Konrad Dybcio <konradybcio@xxxxxxxxxx> >> + >> +description: | > > No need for | Apparently it's necessary because I have a : > >> + Surface devices use a standardized embedded controller to let the >> + operating system interface with various hardware functions. The >> + specific functionalities are modeled as subdevices and matched on >> + five levels: domain, category, target, instance and function. ^ here Should I e.g. s/:/-/, or keep the |? >> + >> +properties: >> + compatible: >> + const: microsoft,surface-sam >> + >> + interrupts: >> + maxItems: 1 >> + >> + current-speed: >> + description: The baudrate in bits per second of the device as it comes >> + online, current active speed. >> + $ref: /schemas/types.yaml#/definitions/uint32 > > This should be just "current-speed: true", because the type will be > brought by serial schema. We should however have some schema with > peripheral properties for serial devices. I'll come with something. I suppose I should just include: https://lore.kernel.org/linux-serial/20240811-dt-bindings-serial-peripheral-props-v1-0-1dba258b7492@xxxxxxxxxx/ Konrad