arch/arm/boot/dts/microchip/at91sam9x5_lcd.dtsi
Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91sam9x5_lcd.dtsi
File Facts
- System
- Linux kernel
- Corpus path
arch/arm/boot/dts/microchip/at91sam9x5_lcd.dtsi- Extension
.dtsi- Size
- 6401 bytes
- Lines
- 148
- Domain
- Architecture Layer
- Bucket
- arch/arm
- Inferred role
- Architecture Layer: configuration, schema, or hardware description
- Status
- atlas-only
Why This File Exists
CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
- CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
Dependency Surface
dt-bindings/pinctrl/at91.hdt-bindings/interrupt-controller/irq.h
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0-only
/*
* at91sam9x5_lcd.dtsi - Device Tree Include file for AT91SAM9x5 SoC with an
* LCD controller.
*
* Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
*/
#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
ahb {
apb {
hlcdc: hlcdc@f8038000 {
compatible = "atmel,at91sam9x5-hlcdc";
reg = <0xf8038000 0x4000>;
interrupts = <25 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 25>, <&pmc PMC_TYPE_SYSTEM 3>, <&clk32k>;
clock-names = "periph_clk","sys_clk", "slow_clk";
status = "disabled";
hlcdc-display-controller {
compatible = "atmel,hlcdc-display-controller";
#address-cells = <1>;
#size-cells = <0>;
port@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
};
};
hlcdc_pwm: hlcdc-pwm {
compatible = "atmel,hlcdc-pwm";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcd_pwm>;
#pwm-cells = <3>;
};
};
};
};
};
&pinctrl {
lcd {
pinctrl_lcd_base: lcd-base-0 {
atmel,pins =
<AT91_PIOC 27 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDVSYNC */
AT91_PIOC 28 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDHSYNC */
AT91_PIOC 24 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDDISP */
AT91_PIOC 29 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDDEN */
AT91_PIOC 30 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* LCDPCK */
};
pinctrl_lcd_pwm: lcd-pwm-0 {
atmel,pins = <AT91_PIOC 26 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* LCDPWM */
};
pinctrl_lcd_rgb444: lcd-rgb-0 {
atmel,pins =
<AT91_PIOC 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD0 pin */
AT91_PIOC 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD1 pin */
AT91_PIOC 2 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD2 pin */
AT91_PIOC 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD3 pin */
AT91_PIOC 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD4 pin */
AT91_PIOC 5 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD5 pin */
AT91_PIOC 6 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD6 pin */
AT91_PIOC 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* LCDD7 pin */
Annotation
- Immediate include surface: `dt-bindings/pinctrl/at91.h`, `dt-bindings/interrupt-controller/irq.h`.
- Atlas domain: Architecture Layer / arch/arm.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.