Add dt-schema yaml bindig for AM65x DSS, AM65x version TI Keystone Display SubSystem.
Signed-off-by: Jyri Sarha jsarha@ti.com --- .../bindings/display/ti/ti,am65x-dss.yaml | 133 ++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
diff --git a/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml new file mode 100644 index 000000000000..6691f5dad383 --- /dev/null +++ b/Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml @@ -0,0 +1,133 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2019 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/display/ti/ti,am65x-dss.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Texas Instruments AM65x Display Subsystem + +maintainers: + - Jyri Sarha jsarha@ti.com + - Tomi Valkeinen tomi.valkeinen@ti.com + +description: | + The AM65x TI Keystone Display SubSystem with two output ports and + two video planes. The first video port supports OLDI and the second + supports DPI format. The fist plane is full video plane with all + features and the second is a "lite plane" without scaling support. + +properties: + compatible: + const: ti,am65x-dss + + reg: + maxItems: 7 + minItems: 7 + + reg-names: + items: + - const: common + - const: vidl1 + - const: vid + - const: ovr1 + - const: ovr2 + - const: vp1 + - const: vp2 + + clocks: + maxItems: 3 + minItems: 3 + + clock-names: + items: + - const: fck + - const: vp1 + - const: vp2 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + description: phandle to the associated power domain + + port@0: + type: object + description: + The DSS OLDI output port node form video port 1 + + port@1: + type: object + description: + The DSS DPI output port node from video port 2 + + ti,am65x-oldi-io-ctrl: + maxItems: 1 + description: + $ref: "/schemas/types.yaml#/definitions/phandle-array" + phandle to syscon device node mapping OLDI IO_CTRL registers. + The mapped range should point to OLDI_DAT0_IO_CTRL, map it and + following OLDI_DAT1_IO_CTRL, OLDI_DAT2_IO_CTRL, OLDI_DAT3_IO_CTRL, + and OLDI_CLK_IO_CTRL registers. This property is needed for OLDI + interface to work. + + max-memory-bandwidth: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Input memory (from main memory to dispc) bandwidth limit in + bytes per second + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + dss: dss@04a00000 { + compatible = "ti,am65x-dss"; + reg = <0x0 0x04a00000 0x0 0x1000>, /* common */ + <0x0 0x04a02000 0x0 0x1000>, /* vidl1 */ + <0x0 0x04a06000 0x0 0x1000>, /* vid */ + <0x0 0x04a07000 0x0 0x1000>, /* ovr1 */ + <0x0 0x04a08000 0x0 0x1000>, /* ovr2 */ + <0x0 0x04a0a000 0x0 0x1000>, /* vp1 */ + <0x0 0x04a0b000 0x0 0x1000>; /* vp2 */ + reg-names = "common", "vidl1", "vid", + "ovr1", "ovr2", "vp1", "vp2"; + + ti,am65x-oldi-io-ctrl = <&dss_oldi_io_ctrl>; + + power-domains = <&k3_pds 67 TI_SCI_PD_EXCLUSIVE>; + + clocks = <&k3_clks 67 1>, + <&k3_clks 216 1>, + <&k3_clks 67 2>; + clock-names = "fck", "vp1", "vp2"; + + interrupts = <GIC_SPI 166 IRQ_TYPE_EDGE_RISING>; + + status = "disabled"; + + port@0 { + reg = <0>; + + oldi_out0: endpoint { + remote-endpoint = <&lcd_in0>; + }; + }; + };