drivers: disk: remove legacy nxp USDHC driver

all in tree SOCs with the USDHC peripheral have now been converted to
use the new SD host controller USDHC driver, so remove legacy NXP disk
USDHC driver.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>

drivers/disk/CMakeLists.txt

@@ -10,7 +10,6 @@ zephyr_library_sources_ifdef(CONFIG_DISK_DRIVER_RAM ramdisk.c)
 
 zephyr_library_sources_ifdef(CONFIG_SDMMC_OVER_SPI sdmmc_spi.c)
 zephyr_library_sources_ifdef(CONFIG_SDMMC_STM32 sdmmc_stm32.c)
-zephyr_library_sources_ifdef(CONFIG_SDMMC_USDHC usdhc.c)
 zephyr_library_sources_ifdef(CONFIG_SDMMC_SUBSYS sdmmc_subsys.c)
 
 endif()

drivers/disk/Kconfig.sdmmc

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 DT_COMPAT_ZEPHYR_MMC_SPI_SLOT := zephyr,mmc-spi-slot
-DT_COMPAT_NXP_USDHC := nxp,imx-usdhc
 DT_COMPAT_ST_STM32_SDMMC := st,stm32-sdmmc
 DT_COMPAT_ZEPHYR_MMC := zephyr,sdmmc-disk
 
@@ -42,18 +41,6 @@ config SDMMC_SUBSYS
 	help
 	  Enable SDMMC access via SD subsystem
 
-config SDMMC_USDHC
-	bool "NXP i.MXRT USDHC driver"
-	depends on (HAS_MCUX_USDHC1 || HAS_MCUX_USDHC2)
-	default $(dt_compat_enabled,$(DT_COMPAT_NXP_USDHC))
-	help
-	  File system on a SDHC card accessed over
-	  NXP USDHC.
-
-if SDMMC_USDHC
-source "drivers/disk/Kconfig.usdhc"
-endif
-
 config SDMMC_STM32
 	bool "STM32 SDMMC driver"
 	depends on HAS_STM32CUBE

drivers/disk/Kconfig.usdhc

@@ -1,18 +0,0 @@
-# Copyright (c) 2021 NXP
-# SPDX-License-Identifier: Apache-2.0
-
-# USDHC peripheral require the SD card to power cycle after DAT3 is
-# pulled low
-config SDMMC_USDHC_DAT3_PWR_TOGGLE
-	bool
-	help
-	  USDHC peripheral requires the SD card power to be cycled after DAT3 is
-	  pulled high, before the USDHC peripheral can detect the SD card via DAT3
-	  pull
-
-config SDMMC_USDHC_DAT3_PWR_DELAY
-	int
-	default 0
-	help
-	  Period in milliseconds to delay between powering off the SD card and
-	  applying power again, whenever the SD card power will be cycled.

dts/bindings/mmc/nxp,imx-usdhc.yaml

@@ -1,48 +0,0 @@
-# Copyright (c) 2019, NXP
-# SPDX-License-Identifier: Apache-2.0
-
-description: NXP i.MXRT USDHC module
-
-compatible: "nxp,imx-usdhc"
-
-include: [mmc.yaml, pinctrl-device.yaml]
-
-properties:
-    clocks:
-      required: true
-
-    pwr-gpios:
-      type: phandle-array
-      required: false
-      description: |
-        Power pin
-        This pin defaults to active high when consumed by the SD card. The
-        property value should ensure the flags properly describe the signal
-        that is presented to the driver.
-
-    cd-gpios:
-      type: phandle-array
-      required: false
-      description: |
-        Detect pin
-        This pin defaults to active low when produced by the SD card. The
-        property value should ensure the flags properly describe the signal
-        that is presented to the driver.
-
-    no-1-8-v:
-      type: boolean
-      required: false
-      description: |
-        When the external SD card circuit does not support 1.8V, add this
-        property to disable 1.8v card voltage of SD card controller.
-
-    detect-dat3:
-      type: boolean
-      required: false
-      description: |
-        Enable the host to detect an SD card via the DAT3 line of the SD card
-        connection. Requires the board to define a function to pull DAT3 low or
-        high using pullup/pulldown resistors.
-
-    label:
-      required: true

tests/drivers/disk/testcase.yaml

@@ -3,7 +3,7 @@ tests:
     harness: ztest
     harness_config:
       fixture: fixture_sdhc
-    filter: CONFIG_SDMMC_USDHC
+    filter: CONFIG_SDHC
     tags: disk mcux
     integration_platforms:
       - mimxrt1060_evk