arch/arm64/boot/dts/qcom/msm8916-modem-qdsp6.dtsi
Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8916-modem-qdsp6.dtsi
File Facts
- System
- Linux kernel
- Corpus path
arch/arm64/boot/dts/qcom/msm8916-modem-qdsp6.dtsi- Extension
.dtsi- Size
- 2529 bytes
- Lines
- 149
- Domain
- Architecture Layer
- Bucket
- arch/arm64
- 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/sound/qcom,q6afe.hdt-bindings/sound/qcom,q6asm.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 OR BSD-3-Clause)
/*
* msm8916-modem-qdsp6.dtsi describes the typical modem setup on MSM8916 devices
* (or similar SoCs) with audio routed via the QDSP6 services provided by the
* modem firmware. The digital/analog codec in the SoC/PMIC is used by default,
* but boards can define additional codecs by adding additional backend DAI links.
*/
#include <dt-bindings/sound/qcom,q6afe.h>
#include <dt-bindings/sound/qcom,q6asm.h>
&apr {
status = "okay";
};
&bam_dmux {
status = "okay";
};
&bam_dmux_dma {
status = "okay";
};
&lpass {
status = "reserved"; /* Controlled by QDSP6 */
};
&lpass_codec {
status = "okay";
};
&mba_mem {
status = "okay";
};
&mpss {
status = "okay";
};
&mpss_mem {
status = "okay";
};
&pm8916_codec {
status = "okay";
};
&q6afedai {
dai@16 {
reg = <PRIMARY_MI2S_RX>;
qcom,sd-lines = <0 1>;
};
dai@20 {
reg = <TERTIARY_MI2S_TX>;
qcom,sd-lines = <0 1>;
};
};
&q6asmdai {
dai@0 {
reg = <MSM_FRONTEND_DAI_MULTIMEDIA1>;
direction = <Q6ASM_DAI_RX>;
};
dai@1 {
reg = <MSM_FRONTEND_DAI_MULTIMEDIA2>;
direction = <Q6ASM_DAI_TX>;
};
dai@2 {
reg = <MSM_FRONTEND_DAI_MULTIMEDIA3>;
direction = <Q6ASM_DAI_RX>;
Annotation
- Immediate include surface: `dt-bindings/sound/qcom,q6afe.h`, `dt-bindings/sound/qcom,q6asm.h`.
- Atlas domain: Architecture Layer / arch/arm64.
- 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.