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# 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:
items:
- description: cfg DSS top level
- description: common DISPC common
- description: VID1 video plane 1
- description: OVR1 overlay manager for vp1
- description: VP1 video port 1
reg-names:
items:
- const: cfg
- const: common
- const: vid1
- const: ovr1
- const: vp1
clocks:
items:
- description: fck DSS functional clock
- description: vp1 Video Port 1 pixel clock
clock-names:
items:
- const: fck
- const: vp1
interrupts:
maxItems: 1
power-domains:
maxItems: 1
description: phandle to the associated power domain
port:
$ref: /schemas/graph.yaml#/properties/port
description:
The DSS DPI output port node
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
- port
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
dss: dss@2540000 {
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>;
port {
dpi_out: endpoint {
remote-endpoint = <&sii9022_in>;
};
};
};
|
