On Tue, Apr 07, 2020 at 09:00:48AM +0200, H. Nikolaus Schaller wrote: > > > Am 29.03.2020 um 19:38 schrieb H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>: > > > > The Imagination PVR/SGX GPU is part of several SoC from > > multiple vendors, e.g. TI OMAP, Ingenic JZ4780, Intel Poulsbo, > > Allwinner A83 and others. > > > > With this binding, we describe how the SGX processor is > > interfaced to the SoC (registers, interrupt etc.). > > > > In most cases, Clock, Reset and power management is handled > > by a parent node or elsewhere (e.g. code in the driver). > > > > Tested by make dt_binding_check dtbs_check > > > > Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/gpu/img,pvrsgx.yaml | 109 ++++++++++++++++++ > > 1 file changed, 109 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml > > > > diff --git a/Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml b/Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml > > new file mode 100644 > > index 000000000000..aadfb2d9b012 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/gpu/img,pvrsgx.yaml > > @@ -0,0 +1,109 @@ > > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/gpu/img,pvrsgx.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Imagination PVR/SGX GPU > > + > > +maintainers: > > + - H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> > > + > > +description: |+ > > + This binding describes the Imagination SGX5 series of 3D accelerators which > > + are found in several different SoC like TI OMAP, Sitara, Ingenic JZ4780, > > + Allwinner A83, and Intel Poulsbo and CedarView and more. > > + > > + For an extensive list see: https://en.wikipedia.org/wiki/PowerVR#Implementations > > + > > + The SGX node is usually a child node of some DT node belonging to the SoC > > + which handles clocks, reset and general address space mapping of the SGX > > + register area. > > + > > +properties: > > + compatible: > > + oneOf: > > + - description: SGX530-121 based SoC > > + items: > > + - enum: > > + - ti,omap3-sgx530-121 # BeagleBoard A/B/C, OpenPandora 600MHz and similar > > + - const: img,sgx530-121 > > + - const: img,sgx530 > > + > > + - description: SGX530-125 based SoC > > + items: > > + - enum: > > + - ti,am3352-sgx530-125 # BeagleBone Black > > + - ti,am3517-sgx530-125 > > + - ti,am4-sgx530-125 > > + - ti,omap3-sgx530-125 # BeagleBoard XM, GTA04, OpenPandora 1GHz and similar > > + - ti,ti81xx-sgx530-125 > > + - const: ti,omap3-sgx530-125 > > + - const: img,sgx530-125 > > + - const: img,sgx530 > > + > > + - description: SGX535-116 based SoC > > + items: > > + - const: intel,poulsbo-gma500-sgx535 # Atom Z5xx > > + - const: img,sgx535-116 > > + - const: img,sgx535 > > + > > + - description: SGX540-116 based SoC > > + items: > > + - const: intel,medfield-gma-sgx540 # Atom Z24xx > > + - const: img,sgx540-116 > > + - const: img,sgx540 > > + > > + - description: SGX540-120 based SoC > > + items: > > + - enum: > > + - ingenic,jz4780-sgx540-120 # CI20 > > + - ti,omap4-sgx540-120 # Pandaboard, Pandaboard ES and similar > > + - const: img,sgx540-120 > > + - const: img,sgx540 > > + > > + - description: SGX544-112 based SoC > > + items: > > + - const: ti,omap4-sgx544-112 > > + - const: img,sgx544-112 > > + - const: img,sgx544 > > + > > + - description: SGX544-116 based SoC > > + items: > > + - enum: > > + - allwinner,sun8i-a83t-sgx544-116 # Banana-Pi-M3 (Allwinner A83T) and similar > > Philipp Rossak reported on a different list [1] that the a83t tells to have a sgx544-115 inside. > > So it needs a separate entry. Okay, it looks fine otherwise. Rob
