273 lines
5.8 KiB
YAML
273 lines
5.8 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/display/allwinner,sun4i-a10-display-backend.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Allwinner A10 Display Engine Backend
|
|
|
|
maintainers:
|
|
- Chen-Yu Tsai <wens@csie.org>
|
|
- Maxime Ripard <mripard@kernel.org>
|
|
|
|
description: |
|
|
The display engine backend exposes layers and sprites to the system.
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- allwinner,sun4i-a10-display-backend
|
|
- allwinner,sun5i-a13-display-backend
|
|
- allwinner,sun6i-a31-display-backend
|
|
- allwinner,sun7i-a20-display-backend
|
|
- allwinner,sun8i-a23-display-backend
|
|
- allwinner,sun8i-a33-display-backend
|
|
- allwinner,sun9i-a80-display-backend
|
|
|
|
reg:
|
|
minItems: 1
|
|
items:
|
|
- description: Display Backend registers
|
|
- description: SAT registers
|
|
|
|
reg-names:
|
|
minItems: 1
|
|
items:
|
|
- const: be
|
|
- const: sat
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
minItems: 3
|
|
items:
|
|
- description: The backend interface clock
|
|
- description: The backend module clock
|
|
- description: The backend DRAM clock
|
|
- description: The SAT clock
|
|
|
|
clock-names:
|
|
minItems: 3
|
|
items:
|
|
- const: ahb
|
|
- const: mod
|
|
- const: ram
|
|
- const: sat
|
|
|
|
resets:
|
|
minItems: 1
|
|
items:
|
|
- description: The Backend reset line
|
|
- description: The SAT reset line
|
|
|
|
reset-names:
|
|
minItems: 1
|
|
items:
|
|
- const: be
|
|
- const: sat
|
|
|
|
# FIXME: This should be made required eventually once every SoC will
|
|
# have the MBUS declared.
|
|
interconnects:
|
|
maxItems: 1
|
|
|
|
# FIXME: This should be made required eventually once every SoC will
|
|
# have the MBUS declared.
|
|
interconnect-names:
|
|
const: dma-mem
|
|
|
|
ports:
|
|
$ref: /schemas/graph.yaml#/properties/ports
|
|
|
|
properties:
|
|
port@0:
|
|
$ref: /schemas/graph.yaml#/properties/port
|
|
description:
|
|
Input endpoints of the controller.
|
|
|
|
port@1:
|
|
$ref: /schemas/graph.yaml#/properties/port
|
|
description:
|
|
Output endpoints of the controller.
|
|
|
|
required:
|
|
- port@0
|
|
- port@1
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clocks
|
|
- clock-names
|
|
- resets
|
|
- ports
|
|
|
|
additionalProperties: false
|
|
|
|
if:
|
|
properties:
|
|
compatible:
|
|
contains:
|
|
const: allwinner,sun8i-a33-display-backend
|
|
|
|
then:
|
|
properties:
|
|
reg:
|
|
minItems: 2
|
|
|
|
reg-names:
|
|
minItems: 2
|
|
|
|
clocks:
|
|
minItems: 4
|
|
|
|
clock-names:
|
|
minItems: 4
|
|
|
|
resets:
|
|
minItems: 2
|
|
|
|
reset-names:
|
|
minItems: 2
|
|
|
|
required:
|
|
- reg-names
|
|
- reset-names
|
|
|
|
else:
|
|
properties:
|
|
reg:
|
|
maxItems: 1
|
|
|
|
reg-names:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
maxItems: 3
|
|
|
|
clock-names:
|
|
maxItems: 3
|
|
|
|
resets:
|
|
maxItems: 1
|
|
|
|
reset-names:
|
|
maxItems: 1
|
|
|
|
examples:
|
|
- |
|
|
/*
|
|
* This comes from the clock/sun4i-a10-ccu.h and
|
|
* reset/sun4i-a10-ccu.h headers, but we can't include them since
|
|
* it would trigger a bunch of warnings for redefinitions of
|
|
* symbols with the other example.
|
|
*/
|
|
|
|
#define CLK_AHB_DE_BE0 42
|
|
#define CLK_DRAM_DE_BE0 140
|
|
#define CLK_DE_BE0 144
|
|
#define RST_DE_BE0 5
|
|
|
|
display-backend@1e60000 {
|
|
compatible = "allwinner,sun4i-a10-display-backend";
|
|
reg = <0x01e60000 0x10000>;
|
|
interrupts = <47>;
|
|
clocks = <&ccu CLK_AHB_DE_BE0>, <&ccu CLK_DE_BE0>,
|
|
<&ccu CLK_DRAM_DE_BE0>;
|
|
clock-names = "ahb", "mod",
|
|
"ram";
|
|
resets = <&ccu RST_DE_BE0>;
|
|
|
|
ports {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
port@0 {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
reg = <0>;
|
|
|
|
endpoint@0 {
|
|
reg = <0>;
|
|
remote-endpoint = <&fe0_out_be0>;
|
|
};
|
|
|
|
endpoint@1 {
|
|
reg = <1>;
|
|
remote-endpoint = <&fe1_out_be0>;
|
|
};
|
|
};
|
|
|
|
port@1 {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
reg = <1>;
|
|
|
|
endpoint@0 {
|
|
reg = <0>;
|
|
remote-endpoint = <&tcon0_in_be0>;
|
|
};
|
|
|
|
endpoint@1 {
|
|
reg = <1>;
|
|
remote-endpoint = <&tcon1_in_be0>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
- |
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
|
|
/*
|
|
* This comes from the clock/sun8i-a23-a33-ccu.h and
|
|
* reset/sun8i-a23-a33-ccu.h headers, but we can't include them
|
|
* since it would trigger a bunch of warnings for redefinitions of
|
|
* symbols with the other example.
|
|
*/
|
|
|
|
#define CLK_BUS_DE_BE 40
|
|
#define CLK_BUS_SAT 46
|
|
#define CLK_DRAM_DE_BE 84
|
|
#define CLK_DE_BE 85
|
|
#define RST_BUS_DE_BE 21
|
|
#define RST_BUS_SAT 27
|
|
|
|
display-backend@1e60000 {
|
|
compatible = "allwinner,sun8i-a33-display-backend";
|
|
reg = <0x01e60000 0x10000>, <0x01e80000 0x1000>;
|
|
reg-names = "be", "sat";
|
|
interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
|
|
clocks = <&ccu CLK_BUS_DE_BE>, <&ccu CLK_DE_BE>,
|
|
<&ccu CLK_DRAM_DE_BE>, <&ccu CLK_BUS_SAT>;
|
|
clock-names = "ahb", "mod",
|
|
"ram", "sat";
|
|
resets = <&ccu RST_BUS_DE_BE>, <&ccu RST_BUS_SAT>;
|
|
reset-names = "be", "sat";
|
|
|
|
ports {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
port@0 {
|
|
reg = <0>;
|
|
|
|
endpoint {
|
|
remote-endpoint = <&fe0_out_be0>;
|
|
};
|
|
};
|
|
|
|
port@1 {
|
|
reg = <1>;
|
|
|
|
endpoint {
|
|
remote-endpoint = <&drc0_in_be0>;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
...
|