On Mon, Dec 07, 2020 at 11:20:57AM +0800, Liu Ying wrote: > This patch adds bindings for i.MX8qxp/qm Display Prefetch Resolve Channel. > > Signed-off-by: Liu Ying <victor.liu@xxxxxxx> > --- > Note that this depends on the 'two cell binding' clock patch set which has > already landed in Shawn's i.MX clk/imx git branch. Otherwise, imx8-lpcg.h > won't be found. > > v2->v3: > * No change. > > v1->v2: > * Use new dt binding way to add clocks in the example. > > .../bindings/display/imx/fsl,imx8qxp-dprc.yaml | 87 ++++++++++++++++++++++ > 1 file changed, 87 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dprc.yaml > > diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dprc.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dprc.yaml > new file mode 100644 > index 00000000..91e9472 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dprc.yaml > @@ -0,0 +1,87 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dprc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale i.MX8qm/qxp Display Prefetch Resolve Channel > + > +maintainers: > + - Liu Ying <victor.liu@xxxxxxx> > + > +description: | > + The i.MX8qm/qxp Display Prefetch Resolve Channel(DPRC) is an engine which > + fetches display data before the display pipeline needs the data to drive > + pixels in the active display region. This data is transformed, or resolved, > + from a variety of tiled buffer formats into linear format, if needed. > + The DPR works with a double bank memory structure. This memory structure is > + implemented in the Resolve Tile Memory(RTRAM) and the banks are referred to > + as A and B. Each bank is either 4 or 8 lines high depending on the source > + frame buffer format. > + > +properties: > + compatible: > + oneOf: > + - const: fsl,imx8qxp-dpr-channel > + - const: fsl,imx8qm-dpr-channel enum instead of oneOf+const. With that, Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + items: > + - description: apb clock > + - description: b clock > + - description: rtram clock > + > + clock-names: > + items: > + - const: apb > + - const: b > + - const: rtram > + > + fsl,sc-resource: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: The SCU resource ID associated with this DPRC instance. > + > + fsl,prgs: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + description: | > + List of phandle which points to Prefetch Resolve Gaskets(PRGs) > + associated with this DPRC instance. > + > + power-domains: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + - fsl,sc-resource > + - fsl,prgs > + - power-domains > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/imx8-lpcg.h> > + #include <dt-bindings/firmware/imx/rsrc.h> > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + dpr-channel@56100000 { > + compatible = "fsl,imx8qxp-dpr-channel"; > + reg = <0x56100000 0x10000>; > + interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&dc0_dpr1_lpcg IMX_LPCG_CLK_4>, > + <&dc0_dpr1_lpcg IMX_LPCG_CLK_5>, > + <&dc0_rtram1_lpcg IMX_LPCG_CLK_0>; > + clock-names = "apb", "b", "rtram"; > + fsl,sc-resource = <IMX_SC_R_DC_0_VIDEO0>; > + fsl,prgs = <&dc0_prg4>, <&dc0_prg5>; > + power-domains = <&pd IMX_SC_R_DC_0>; > + }; > -- > 2.7.4 > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
