[Feature] 完善components\drivers目录下Kconfig的help提示

components/drivers/Kconfig

@@ -1,4 +1,8 @@
 menu "Device Drivers"
+    help
+      Select which RT-Thread driver stacks are built into the firmware. Each
+      submenu groups related peripherals (IPC, storage, networking, etc.) and
+      exposes their own configuration knobs.
 
 rsource "core/Kconfig"
 rsource "ipc/Kconfig"

components/drivers/ata/Kconfig

@@ -4,18 +4,35 @@ menuconfig RT_USING_ATA
     depends on RT_USING_BLK
     depends on RT_USING_DMA
     default n
+    help
+      Enable the ATA core so AHCI/legacy controllers can register themselves in
+      the driver model, allocate DMA resources, and expose block devices to the
+      RT-Thread block layer. Select this only on SoCs/boards that actually wire
+      SATA ports because it pulls in the SCSI translation layer and requires DMA
+      support. When disabled, no SATA disks will be enumerated.
 
 config RT_ATA_AHCI
     bool "Advanced Host Controller Interface (AHCI)"
     depends on RT_USING_ATA
     depends on RT_USING_SCSI
     default y
+    help
+      Build the generic AHCI driver that maps HBA registers (ports, command list,
+      FIS receive, etc.), handles NCQ, and bridges each detected SATA device to
+      the RT-SCSI mid-layer so filesystems can treat them like disks. Enable it
+      whenever your SoC implements a standards-compliant AHCI core; disable if
+      you rely on a vendor-specific ATA engine.
 
 config RT_ATA_AHCI_PCI
     bool "AHCI support on PCI bus"
     depends on RT_ATA_AHCI
     depends on RT_USING_PCI
     default n
+    help
+      Allow the AHCI driver to bind to PCI devices and fetch resources via PCI
+      config space. Required on PC-class hardware where the AHCI HBA is behind
+      PCI/PCIe; boards with platform AHCI (non-PCI) can leave this off to save a
+      little code.
 
 if RT_USING_ATA
     osource "$(SOC_DM_ATA_DIR)/Kconfig"

components/drivers/audio/Kconfig

@@ -1,18 +1,37 @@
 config RT_USING_AUDIO
     bool "Using Audio device drivers"
     default n
+    help
+      Enable the RT-Thread audio framework so playback/record devices may be
+      registered, DMA pipes allocated, and ALSA-like controls exposed via
+      `rt_audio_*` APIs. Choose this whenever your board has I2S/TDM codecs or
+      PDM microphones; disable it on MCU builds that do not process audio data.
 
     if RT_USING_AUDIO
         config RT_AUDIO_REPLAY_MP_BLOCK_SIZE
             int "Replay memory pool block size"
             default 4096
+            help
+              Size in bytes for each block inside the replay memory pool used by
+              `dev_audio.c` to stage PCM data before pushing it to DMA. Larger
+              values increase latency but reduce IRQ pressure; shrink it when
+              RAM is tight and the codec tolerates smaller bursts.
 
         config RT_AUDIO_REPLAY_MP_BLOCK_COUNT
             int "Replay memory pool block count"
             default 2
+            help
+              Number of replay memory pool blocks. Raising this allows more
+              outstanding audio buffers (useful for long DMA transfers) but
+              consumes additional RAM = `BLOCK_SIZE * COUNT`.
 
         config RT_AUDIO_RECORD_PIPE_SIZE
             int "Record pipe size"
             default 2048
+            help
+              Size of the ring buffer used to capture samples before user-space
+              reads them. Increase this to prevent overflow when the recorder
+              callback runs slower than the DMA completion interrupt; reduce it
+              on memory constrained platforms.
 
     endif

components/drivers/audio/utest/Kconfig

@@ -2,4 +2,8 @@ if RT_USING_AUDIO
     config RT_UTEST_USING_AUDIO_DRIVER
         bool "Audio Test"
         default n
-endif
+        help
+          Build the audio driver utest cases which stream synthetic data through
+          the replay/record paths. Enable only when running the RT-Thread unit
+          test suite; it adds test hooks that are not required in production.
+endif

components/drivers/block/Kconfig

@@ -1,6 +1,11 @@
 menuconfig RT_USING_BLK
     bool "Using Block device drivers"
     default n
+    help
+      Enable the generic block-device infrastructure so storage controllers can
+      register disks/partitions and the RT-Thread DFS layer can mount them.
+      Almost every filesystem, SDIO, SATA or NAND driver depends on this. Turn
+      it off only on firmware builds that never interact with block media.
 
 if RT_USING_BLK
     rsource "partitions/Kconfig"

components/drivers/block/partitions/Kconfig

@@ -4,9 +4,20 @@ config RT_BLK_PARTITION_DFS
     bool "DFS Partition support"
     depends on RT_USING_DFS
     default y
+    help
+      Parse the RT-Thread DFS partition table (vfs_part) so a single block
+      device can be split into multiple named logical volumes. Enable this when
+      you use the DFS tooling or `mkpart` scripts to carve flash storage; it is
+      harmless to keep on because it only activates when the table signature is
+      present.
 
 config RT_BLK_PARTITION_EFI
     bool "EFI Globally Unique Identifier (GUID) Partition support"
     default y
+    help
+      Add GUID Partition Table (GPT) support, allowing disks formatted on
+      modern PCs to be recognized. Required for SATA/NVMe/USB disks that use
+      GPT; you may disable it on very small targets that only boot from DFS
+      partitions to save a few kilobytes.
 
 endmenu

components/drivers/clk/Kconfig

@@ -3,6 +3,15 @@ menuconfig RT_USING_CLK
     depends on RT_USING_DM
     select RT_USING_ADT_REF
     default y
+    help
+      Enable the common clock framework so SoC clock providers can register
+      themselves and consumers can obtain `struct rt_clk` handles to manage
+      gate, mux and divider trees. This is required by most complex drivers
+      (MMC, Ethernet, display) because they explicitly prepare and enable their
+      input clocks before accessing hardware. The framework relies on the DM
+      bus and device tree clock references, so disable it only on the smallest
+      MCUs where every peripheral runs off the same fixed clock and no driver
+      ever calls into the clock API.
 
 if RT_USING_CLK
     osource "$(SOC_DM_CLK_DIR)/Kconfig"

components/drivers/core/utest/Kconfig

@@ -1,3 +1,7 @@
 config RT_UTEST_DRIVERS_CORE
     bool "Drivers Core Test"
     default n
+    help
+      Build the unit tests that exercise the driver-core (device model) APIs,
+      ensuring registration/probing flows behave as expected. Enable only when
+      running the RT-Thread utest suite; production images should leave it off.

components/drivers/dma/Kconfig

@@ -4,6 +4,13 @@ menuconfig RT_USING_DMA
     select RT_USING_ADT
     select RT_USING_ADT_BITMAP
     default n
+    help
+      Enable the DMA framework so DM-aware SoC drivers can request DMA channels,
+      submit descriptors, and share controller instances that are described in
+      the device tree. This pulls in the generic DMA core (`dma.c`) and the pool
+      allocator used by slave/peripheral clients. Select it whenever your board
+      has DMA-capable peripherals (MMC, SPI, audio, etc.) that need offloading;
+      leave it disabled only on targets without DMA hardware to save code size.
 
 if RT_USING_DMA
     osource "$(SOC_DM_DMA_DIR)/Kconfig"

components/drivers/graphic/Kconfig

@@ -1,3 +1,8 @@
 config RT_USING_LCD
     bool "Using LCD graphic drivers"
     default n
+    help
+      Enable the RT-Thread LCD/graphics driver framework so display controllers
+      can expose framebuffers or panel pipelines. This pulls in the drawing
+      helpers used by GUI packages; select it whenever your board has an LCD or
+      RGB/MIPI panel. Disable it on headless builds to save code size.