Hi Lucas, On Mon, Feb 24, 2020 at 06:21:57PM +0100, Lucas Stach wrote: > On Fr, 2019-12-06 at 11:52 +0200, Laurentiu Palcu wrote: > > Add bindings for iMX8MQ Display Controller Subsystem. > > > > Signed-off-by: Laurentiu Palcu <laurentiu.palcu@xxxxxxx> > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > > --- > > .../bindings/display/imx/nxp,imx8mq-dcss.yaml | 86 ++++++++++++++++++++++ > > 1 file changed, 86 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/display/imx/nxp,imx8mq-dcss.yaml > > > > diff --git a/Documentation/devicetree/bindings/display/imx/nxp,imx8mq-dcss.yaml b/Documentation/devicetree/bindings/display/imx/nxp,imx8mq-dcss.yaml > > new file mode 100644 > > index 00000000..efd2494 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/display/imx/nxp,imx8mq-dcss.yaml > > @@ -0,0 +1,86 @@ > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > +# Copyright 2019 NXP > > +%YAML 1.2 > > +--- > > +$id: "http://devicetree.org/schemas/display/imx/nxp,imx8mq-dcss.yaml#"; > > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; > > + > > +title: iMX8MQ Display Controller Subsystem (DCSS) > > + > > +maintainers: > > + - Laurentiu Palcu <laurentiu.palcu@xxxxxxx> > > + > > +description: > > + > > + The DCSS (display controller sub system) is used to source up to three > > + display buffers, compose them, and drive a display using HDMI 2.0a(with HDCP > > + 2.2) or MIPI-DSI. > > HDMI 2.0a and MIPI_DSI are not really properties of the DCSS, but > rather the connected bridges. Maybe just drop them here? I'm a bit confused... Drop what here? > > > The DCSS is intended to support up to 4kp60 displays. HDR10 > > + image processing capabilities are included to provide a solution capable of > > + driving next generation high dynamic range displays. > > + > > +properties: > > + compatible: > > + const: nxp,imx8mq-dcss > > + > > + reg: > > + maxItems: 2 > > + > > + interrupts: > > + maxItems: 3 > > + items: > > + - description: Context loader completion and error interrupt > > + - description: DTG interrupt used to signal context loader trigger time > > + - description: DTG interrupt for Vblank > > + > > + interrupt-names: > > + maxItems: 3 > > + items: > > + - const: ctx_ld > > Can we make this just "ctxld" for a bit more consistency with the name > below? Fair enough. Will change. > > > + - const: ctxld_kick > > + - const: vblank > > + > > + clocks: > > + maxItems: 5 > > + items: > > + - description: Display APB clock for all peripheral PIO access interfaces > > + - description: Display AXI clock needed by DPR, Scaler, RTRAM_CTRL > > + - description: RTRAM clock > > + - description: Pixel clock, can be driver either by HDMI phy clock or MIPI > > + - description: DTRC clock, needed by video decompressor > > + > > + clock-names: > > + items: > > + - const: apb > > + - const: axi > > + - const: rtrm > > + - const: pix > > + - const: dtrc > > + > > + port@0: > > + type: object > > + description: A port node pointing to a hdmi_in or mipi_in port node. > > "A port node pointing to the input port of a HDMI/DP or MIPI display > bridge". Okay, your description's sounds better. I'll add it in the next revision. Thanks, laurentiu > > > + > > +examples: > > + - | > > + dcss: display-controller@32e00000 { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + compatible = "nxp,imx8mq-dcss"; > > + reg = <0x32e00000 0x2d000>, <0x32e2f000 0x1000>; > > + interrupts = <6>, <8>, <9>; > > + interrupt-names = "ctx_ld", "ctxld_kick", "vblank"; > > + interrupt-parent = <&irqsteer>; > > + clocks = <&clk 248>, <&clk 247>, <&clk 249>, > > + <&clk 254>,<&clk 122>; > > + clock-names = "apb", "axi", "rtrm", "pix", "dtrc"; > > + assigned-clocks = <&clk 107>, <&clk 109>, <&clk 266>; > > + assigned-clock-parents = <&clk 78>, <&clk 78>, <&clk 3>; > > + assigned-clock-rates = <800000000>, > > + <400000000>; > > + port@0 { > > + dcss_out: endpoint { > > + remote-endpoint = <&hdmi_in>; > > + }; > > + }; > > + }; > > + > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Laurentiu NXP
