arch/arm/boot/dts/rockchip/rk3288-veyron-analog-audio.dtsi
Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/rockchip/rk3288-veyron-analog-audio.dtsi
File Facts
- System
- Linux kernel
- Corpus path
arch/arm/boot/dts/rockchip/rk3288-veyron-analog-audio.dtsi- Extension
.dtsi- Size
- 2051 bytes
- Lines
- 98
- 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
- No C-style include directives detected by the generator.
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0
/*
* Google Veyron (and derivatives) fragment for the max98090 audio
* codec and analog headphone jack.
*
* Copyright 2016 Google, Inc
*/
/ {
sound {
compatible = "rockchip,rockchip-audio-max98090";
pinctrl-names = "default";
pinctrl-0 = <&mic_det>, <&hp_det>;
rockchip,model = "VEYRON-I2S";
rockchip,i2s-controller = <&i2s>;
rockchip,audio-codec = <&max98090>;
rockchip,headset-codec = <&headsetcodec>;
rockchip,hdmi-codec = <&hdmi>;
};
};
&i2c2 {
max98090: max98090@10 {
compatible = "maxim,max98090";
reg = <0x10>;
interrupt-parent = <&gpio6>;
interrupts = <RK_PA7 IRQ_TYPE_EDGE_FALLING>;
clock-names = "mclk";
clocks = <&cru SCLK_I2S0_OUT>;
pinctrl-names = "default";
pinctrl-0 = <&int_codec>;
};
};
&i2c4 {
headsetcodec: ts3a227e@3b {
compatible = "ti,ts3a227e";
reg = <0x3b>;
interrupt-parent = <&gpio0>;
interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&ts3a227e_int_l>;
ti,micbias = <7>; /* MICBIAS = 2.8V */
};
};
&i2s {
status = "okay";
};
&io_domains {
audio-supply = <&vcc18_codec>;
};
&rk808 {
vcc10-supply = <&vcc33_sys>;
regulators {
vcc18_codec: LDO_REG6 {
regulator-name = "vcc18_codec";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
Annotation
- 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.