Hi Krzysztof, Sorry for my late reply. ---- On Wed, 25 Jan 2023 17:56:15 +0800 Krzysztof Kozlowski wrote --- > On 25/01/2023 10:54, Li Chen wrote: > > > > Hi Krzysztof Kozlowski, > > > > Sorry for my late reply. > > > > On Mon, 23 Jan 2023 16:11:52 +0800, > > Krzysztof Kozlowski wrote: > >> > >> On 23/01/2023 08:32, Li Chen wrote: > >>> Add compatible for Ambarella. > >>> > >>> Signed-off-by: Li Chen lchen@xxxxxxxxxxxxx> > >>> Change-Id: I32513d98f52af0311dfb55dd5c4739a58f6b9fc1 > >>> --- > >>> .../bindings/serial/ambarella_uart.yaml | 57 +++++++++++++++++++ > >>> MAINTAINERS | 1 + > >>> 2 files changed, 58 insertions(+) > >>> create mode 100644 Documentation/devicetree/bindings/serial/ambarella_uart.yaml > >>> > >>> diff --git a/Documentation/devicetree/bindings/serial/ambarella_uart.yaml b/Documentation/devicetree/bindings/serial/ambarella_uart.yaml > >>> new file mode 100644 > >>> index 000000000000..238d68078270 > >>> --- /dev/null > >>> +++ b/Documentation/devicetree/bindings/serial/ambarella_uart.yaml > >>> @@ -0,0 +1,57 @@ > >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > >>> +%YAML 1.2 > >>> +--- > >>> +$id: http://devicetree.org/schemas/serial/ambarella_uart.yaml# > >>> +$schema: http://devicetree.org/meta-schemas/core.yaml# > >>> + > >>> +title: Ambarella S6LM SoC UART Controller > >>> + > >>> +maintainers: > >>> + - Li Chen lchen@xxxxxxxxxxxxx> > >>> + > >>> +properties: > >>> + compatible: > >>> + const: ambarella,uart > >>> + > >>> + reg: > >>> + maxItems: 1 > >>> + > >>> + amb,ignore-fe: > >>> + description: | > >>> + ignore frame error report for CV2/CV22/CV25/S6LM because it's > >>> + checked too strict so that normal stop may be treated as frame error. > >> > >> Missing type. I don't understand why this is property of DT. > > > > Ok, I will add "type: boolean" to it. > > I still do not understand why this is a property of DT. You need to > justify it. > > Otherwise: No. drop it. Yes, this property is not describing hardware. I will drop it from dts and handle it via soc_device_attribute->data or of_device_id->data instead. Regards, Li