Message ID | 7c2e386d48cf0c8b932804f24e3f6ea81fe3d3a3.1576158368.git.jsarha@ti.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/tidss: New driver for TI Keystone platform Display SubSystem | expand |
Hi, On Thu, Dec 12, 2019 at 03:51:57PM +0200, Jyri Sarha wrote: > Add dt-schema yaml bindig for K2G DSS, an ultra-light version of TI > Keystone Display SubSystem. > > Version history: > > v2: no change > > v3: - Add ports node > - Add includes to dts example > - reindent dts example > > Signed-off-by: Jyri Sarha <jsarha@ti.com> > --- > .../bindings/display/ti/ti,k2g-dss.yaml | 118 ++++++++++++++++++ > 1 file changed, 118 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml > > diff --git a/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml > new file mode 100644 > index 000000000000..90158e8b6aad > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml > @@ -0,0 +1,118 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2019 Texas Instruments Incorporated > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Texas Instruments K2G Display Subsystem > + > +maintainers: > + - Jyri Sarha <jsarha@ti.com> > + - Tomi Valkeinen <tomi.valkeinen@ti.com> > + > +description: | > + The K2G DSS is an ultra-light version of TI Keystone Display > + SubSystem. It has only one output port and video plane. The > + output is DPI. > + > +properties: > + compatible: > + const: ti,k2g-dss > + > + reg: > + maxItems: 5 > + minItems: 5 When they are equal, you need only one of the two, the tools will add the other. Also, adding a description of what those registers are supposed to be would be great. > + > + reg-names: > + items: > + - const: cfg > + - const: common > + - const: vid1 > + - const: ovr1 > + - const: vp1 > + > + clocks: > + maxItems: 2 > + minItems: 2 Ditto > + > + clock-names: > + items: > + - const: fck > + - const: vp1 > + > + interrupts: > + maxItems: 1 > + > + power-domains: > + maxItems: 1 > + description: phandle to the associated power domain > + > + ports: > + type: object > + description: > + Ports as described in Documentation/devictree/bindings/graph.txt > + properties: > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > + port@0: > + type: object > + description: > + The DSS DPI output port node If there's only one port, why do you need ports in the first place? Thanks! Maxime
diff --git a/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml new file mode 100644 index 000000000000..90158e8b6aad --- /dev/null +++ b/Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Texas Instruments K2G Display Subsystem + +maintainers: + - Jyri Sarha <jsarha@ti.com> + - Tomi Valkeinen <tomi.valkeinen@ti.com> + +description: | + The K2G DSS is an ultra-light version of TI Keystone Display + SubSystem. It has only one output port and video plane. The + output is DPI. + +properties: + compatible: + const: ti,k2g-dss + + reg: + maxItems: 5 + minItems: 5 + + reg-names: + items: + - const: cfg + - const: common + - const: vid1 + - const: ovr1 + - const: vp1 + + clocks: + maxItems: 2 + minItems: 2 + + clock-names: + items: + - const: fck + - const: vp1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + ports: + type: object + description: + Ports as described in Documentation/devictree/bindings/graph.txt + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + port@0: + type: object + description: + The DSS DPI output port node + + required: + - "#address-cells" + - "#size-cells" + + max-memory-bandwidth: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Input memory (from main memory to dispc) bandwidth limit in + bytes per second + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + dss: dss@02540000 { + compatible = "ti,k2g-dss"; + reg = <0x02540000 0x400>, + <0x02550000 0x1000>, + <0x02557000 0x1000>, + <0x0255a800 0x100>, + <0x0255ac00 0x100>; + reg-names = "cfg", "common", "vid1", "ovr1", "vp1"; + clocks = <&k2g_clks 0x2 0>, + <&k2g_clks 0x2 1>; + clock-names = "fck", "vp1"; + interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>; + + power-domains = <&k2g_pds 0x2>; + + max-memory-bandwidth = <230000000>; + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + dpi_out: endpoint { + remote-endpoint = <&sii9022_in>; + }; + }; + }; + };
Add dt-schema yaml bindig for K2G DSS, an ultra-light version of TI Keystone Display SubSystem. Version history: v2: no change v3: - Add ports node - Add includes to dts example - reindent dts example Signed-off-by: Jyri Sarha <jsarha@ti.com> --- .../bindings/display/ti/ti,k2g-dss.yaml | 118 ++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ti/ti,k2g-dss.yaml