On Wed, Mar 31, 2021 at 09:49:14AM +0800, Kevin Tang wrote: > Hi Maxime, > > Maxime Ripard <maxime@xxxxxxxxxx> 于2021年3月24日周三 下午7:13写道： > > > On Mon, Feb 22, 2021 at 09:28:21PM +0800, Kevin Tang wrote: > > > From: Kevin Tang <kevin.tang@xxxxxxxxxx> > > > > > > Adds MIPI DSI Controller > > > support for Unisoc's display subsystem. > > > > > > Cc: Orson Zhai <orsonzhai@xxxxxxxxx> > > > Cc: Chunyan Zhang <zhang.lyra@xxxxxxxxx> > > > Signed-off-by: Kevin Tang <kevin.tang@xxxxxxxxxx> > > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > > > --- > > > .../display/sprd/sprd,sharkl3-dsi-host.yaml | 102 ++++++++++++++++++ > > > 1 file changed, 102 insertions(+) > > > create mode 100644 > > Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml > > > > > > diff --git > > a/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml > > b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml > > > new file mode 100644 > > > index 000000000..d439f688f > > > --- /dev/null > > > +++ > > b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml > > > @@ -0,0 +1,102 @@ > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > > +%YAML 1.2 > > > +--- > > > +$id: > > http://devicetree.org/schemas/display/sprd/sprd,sharkl3-dsi-host.yaml# > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > + > > > +title: Unisoc MIPI DSI Controller > > > + > > > +maintainers: > > > + - Kevin Tang <kevin.tang@xxxxxxxxxx> > > > + > > > +properties: > > > + compatible: > > > + const: sprd,sharkl3-dsi-host > > > + > > > + reg: > > > + maxItems: 1 > > > + > > > + interrupts: > > > + maxItems: 2 > > > + > > > + clocks: > > > + minItems: 1 > > > + > > > + clock-names: > > > + items: > > > + - const: clk_src_96m > > > + > > > + power-domains: > > > + maxItems: 1 > > > + > > > + ports: > > > + type: object > > > + > > > + properties: > > > + "#address-cells": > > > + const: 1 > > > + > > > + "#size-cells": > > > + const: 0 > > > + > > > + port@0: > > > + type: object > > > + description: > > > + A port node with endpoint definitions as defined in > > > + Documentation/devicetree/bindings/media/video-interfaces.txt. > > > + That port should be the input endpoint, usually coming from > > > + the associated DPU. > > > + port@1: > > > + type: object > > > + description: > > > + A port node with endpoint definitions as defined in > > > + Documentation/devicetree/bindings/media/video-interfaces.txt. > > > + That port should be the output endpoint, usually output to > > > + the associated panel. > > > > The DSI generic binding asks that peripherals that are controlled > > through a DCS be a subnode of the MIPI-DSI bus, not through a port > > endpoint. > > > Our DSI controller don't support DCS now... I'm not sure I follow you, you mentionned in the patch 4 that you were testing for a device to be in command mode, how would that work without DCS support? Maxime
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