71 lines
1.6 KiB
YAML
71 lines
1.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/atmel,lcdc.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip's LCDC Framebuffer
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maintainers:
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- Nicolas Ferre <nicolas.ferre@microchip.com>
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- Dharma Balasubiramani <dharma.b@microchip.com>
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description:
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The LCDC works with a framebuffer, which is a section of memory that contains
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a complete frame of data representing pixel values for the display. The LCDC
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reads the pixel data from the framebuffer and sends it to the LCD panel to
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render the image.
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properties:
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compatible:
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enum:
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- atmel,at91sam9261-lcdc
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- atmel,at91sam9263-lcdc
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- atmel,at91sam9g10-lcdc
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- atmel,at91sam9g45-lcdc
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- atmel,at91sam9g45es-lcdc
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- atmel,at91sam9rl-lcdc
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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maxItems: 2
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clock-names:
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items:
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- const: hclk
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- const: lcdc_clk
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display:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: A phandle pointing to the display node.
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- display
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/at91.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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fb@500000 {
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compatible = "atmel,at91sam9g45-lcdc";
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reg = <0x00500000 0x1000>;
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interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_fb>;
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clocks = <&pmc PMC_TYPE_PERIPHERAL 23>, <&pmc PMC_TYPE_PERIPHERAL 23>;
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clock-names = "hclk", "lcdc_clk";
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display = <&display>;
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};
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