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reset: sc5xx: Add ADI SC5XX reset controller driver #3079

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reset: sc5xx: Add ADI SC5XX reset controller driver #3079

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52368fe
reset: sc5xx: Add ADI SC5XX reset controller driver
artursartamonovsadi Jan 14, 2026
b3b89ab
fixup! reset: sc5xx: Add ADI SC5XX reset controller driver
artursartamonovsadi Jan 23, 2026
77f4d74
fixup! reset: sc5xx: Add ADI SC5XX reset controller driver
artursartamonovsadi Feb 10, 2026
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21 changes: 6 additions & 15 deletions Documentation/devicetree/bindings/soc/adi/adi,reset-controller.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -22,23 +22,15 @@ properties:
reg:
maxItems: 1

adi,sharc-min:
$ref: /schemas/types.yaml#/definitions/uint32
description: Minimum valid SHARC core ID/count
minimum: 1
maximum: 2

adi,sharc-max:
$ref: /schemas/types.yaml#/definitions/uint32
description: Maximum valid SHARC core ID/count
minimum: 1
maximum: 2
adi,sharc-core-ids:
$ref: /schemas/types.yaml#/definitions/uint32-array
description: List of SHARC core id's


required:
- compatible
- reg
- adi,sharc-min
- adi,sharc-max
- adi,sharc-core-ids

additionalProperties: false

Expand All @@ -47,6 +39,5 @@ examples:
rcu: rcu@3108c000 {
compatible = "adi,reset-controller";
reg = <0x3108c000 0x1000>;
adi,sharc-min = <1>;
adi,sharc-max = <2>;
adi,sharc-core-ids = <1 2>;
};
3 changes: 1 addition & 2 deletions arch/arm/boot/dts/adi/sc57x.dtsi
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Expand Up @@ -242,8 +242,7 @@
rcu: rcu@3108B000 {
compatible = "adi,reset-controller";
reg = <0x3108C000 0x1000>;
adi,sharc-min = <1>;
adi,sharc-max = <2>;
adi,sharc-core-ids = <1 2>;
adi,enable-reboot;
status = "okay";
};
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3 changes: 1 addition & 2 deletions arch/arm/boot/dts/adi/sc58x.dtsi
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Expand Up @@ -244,8 +244,7 @@
rcu: rcu@3108B000 {
compatible = "adi,reset-controller";
reg = <0x3108B000 0x1000>;
adi,sharc-min = <1>;
adi,sharc-max = <2>;
adi,sharc-core-ids = <1 2>;
adi,enable-reboot;
status = "okay";
};
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3 changes: 1 addition & 2 deletions arch/arm/boot/dts/adi/sc59x.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -252,8 +252,7 @@
rcu: rcu@3108C000 {
compatible = "adi,reset-controller";
reg = <0x3108C000 0x1000>;
adi,sharc-min = <1>;
adi,sharc-max = <2>;
adi,sharc-core-ids = <1 2>;
adi,enable-reboot;
status = "okay";
};
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139 changes: 139 additions & 0 deletions arch/arm/configs/sc573-ezkit_defconfig
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Original file line number Diff line number Diff line change
@@ -0,0 +1,139 @@
CONFIG_LOCALVERSION=""
CONFIG_SYSVIPC=y
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT_VOLUNTARY=y
CONFIG_IKCONFIG=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_CGROUPS=y
CONFIG_BLK_DEV_INITRD=y
# CONFIG_RD_BZIP2 is not set
# CONFIG_RD_LZMA is not set
# CONFIG_RD_XZ is not set
# CONFIG_RD_LZO is not set
# CONFIG_RD_LZ4 is not set
# CONFIG_RD_ZSTD is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_EMBEDDED=y
# CONFIG_VM_EVENT_COUNTERS is not set
CONFIG_SLAB=y
CONFIG_PROFILING=y
CONFIG_ARCH_SC5XX=y
CONFIG_ARCH_SC57X=y
CONFIG_MACH_SC573_EZKIT=y
CONFIG_ARM_THUMBEE=y
CONFIG_HZ_250=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_STAT=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPUFREQ_DT=y
# CONFIG_SUSPEND is not set
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_SWAP is not set
# CONFIG_COMPACTION is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
CONFIG_NETWORK_PHY_TIMESTAMPING=y
CONFIG_NETFILTER=y
CONFIG_DNS_RESOLVER=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_SPI_NOR=y
# CONFIG_MTD_SPI_NOR_USE_4K_SECTORS is not set
CONFIG_MTD_UBI=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_SRAM=y
CONFIG_ADI_SRAM_MMAP_V7=y
CONFIG_ADI_SRAM_CONTROLLER=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_NETDEVICES=y
CONFIG_STMMAC_ETH=y
CONFIG_DP83867_PHY=y
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
CONFIG_SERIO_LIBPS2=y
CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_ADI_UART4=y
CONFIG_TTY_PRINTK=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_ADI=y
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_MUX=m
CONFIG_I2C_ADI_TWI=y
CONFIG_SPI=y
CONFIG_SPI_ADI=y
CONFIG_PINCTRL_MCP23S08=y
CONFIG_SRUCTRL_ADSP_SC5XX=y
CONFIG_GPIO_SYSFS=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_ADI_WATCHDOG=y
CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SOC=y
CONFIG_SND_SC5XX_PCM=y
CONFIG_SND_SC5XX_ADAU1979=y
CONFIG_SND_SC5XX_ADAU1962=y
CONFIG_USB=y
CONFIG_USB_STORAGE=y
CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_MUSB_ADI=y
CONFIG_USB_INVENTRA_DMA=y
CONFIG_NOP_USB_XCEIV=y
CONFIG_USB_GADGET=y
CONFIG_USB_ETH=m
CONFIG_USB_GADGETFS=m
CONFIG_USB_MASS_STORAGE=m
CONFIG_USB_G_SERIAL=m
CONFIG_USB_G_HID=m
CONFIG_MMC=y
CONFIG_MMC_DW=y
CONFIG_DMADEVICES=y
CONFIG_ADI_DMA=y
# CONFIG_VIRTIO_MENU is not set
# CONFIG_VHOST_MENU is not set
CONFIG_STAGING=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_REMOTEPROC=y
CONFIG_ADI_REMOTEPROC=y
CONFIG_RPMSG_CHAR=y
CONFIG_RPMSG_VIRTIO=y
CONFIG_ADI_ADSP_IRQ=y
CONFIG_EXT4_FS=y
# CONFIG_DNOTIFY is not set
CONFIG_AUTOFS4_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_UBIFS_FS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
CONFIG_NFS_V4_1=y
CONFIG_NFS_V4_2=y
CONFIG_CRYPTO_TEST=m
CONFIG_CRYPTO_DEV_ADI_CRC=y
CONFIG_CRC_CCITT=y
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_PAGEALLOC=y
# CONFIG_FTRACE is not set
CONFIG_ARM_PTDUMP_DEBUGFS=y
CONFIG_EARLY_PRINTK=y
CONFIG_RESET_SC5XX=y
1 change: 1 addition & 0 deletions arch/arm/configs/sc573-ezlite_defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -136,3 +136,4 @@ CONFIG_DEBUG_PAGEALLOC=y
# CONFIG_FTRACE is not set
CONFIG_ARM_PTDUMP_DEBUGFS=y
CONFIG_EARLY_PRINTK=y
CONFIG_RESET_SC5XX=y
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@ozan956 ozan956 Jan 23, 2026

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missing newline at the end of the file, its also the case for other defconfigs.

1 change: 1 addition & 0 deletions arch/arm/configs/sc589-mini_defconfig
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Expand Up @@ -141,3 +141,4 @@ CONFIG_DEBUG_PAGEALLOC=y
# CONFIG_FTRACE is not set
CONFIG_DEBUG_LL=y
CONFIG_EARLY_PRINTK=y
CONFIG_RESET_SC5XX=y
1 change: 1 addition & 0 deletions arch/arm/configs/sc594-som-ezkit_defconfig
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Expand Up @@ -149,3 +149,4 @@ CONFIG_DEBUG_PAGEALLOC=y
CONFIG_DEBUG_FS=y
# CONFIG_FTRACE is not set
CONFIG_ADI_REMOTEPROC=y
CONFIG_RESET_SC5XX=y
1 change: 1 addition & 0 deletions arch/arm/configs/sc594-som-ezlite_defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -146,3 +146,4 @@ CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_PAGEALLOC=y
CONFIG_DEBUG_FS=y
# CONFIG_FTRACE is not set
CONFIG_RESET_SC5XX=y
3 changes: 1 addition & 2 deletions arch/arm64/boot/dts/adi/sc59x-64.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -234,8 +234,7 @@
rcu: rcu@3108c000 {
compatible = "adi,reset-controller";
reg = <0x3108c000 0x1000>;
adi,sharc-min = <1>;
adi,sharc-max = <2>;
adi,sharc-core-ids = <1 2>;
adi,enable-reboot;
status = "okay";
};
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8 changes: 8 additions & 0 deletions drivers/reset/Kconfig
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Expand Up @@ -231,6 +231,14 @@ config RESET_RZG2L_USBPHY_CTRL
Support for USBPHY Control found on RZ/G2L family. It mainly
controls reset and power down of the USB/PHY.

config RESET_SC5XX
bool "ADI SC5XX Reset Driver"
depends on ARCH_SC59X_64 || ARCH_SC5XX
default y
help
This enables simple reset controller for ADI ADSP-SC5xx family.
Support software reset.

config RESET_SCMI
tristate "Reset driver controlled via ARM SCMI interface"
depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
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1 change: 1 addition & 0 deletions drivers/reset/Makefile
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Expand Up @@ -31,6 +31,7 @@ obj-$(CONFIG_RESET_QCOM_AOSS) += reset-qcom-aoss.o
obj-$(CONFIG_RESET_QCOM_PDC) += reset-qcom-pdc.o
obj-$(CONFIG_RESET_RASPBERRYPI) += reset-raspberrypi.o
obj-$(CONFIG_RESET_RZG2L_USBPHY_CTRL) += reset-rzg2l-usbphy-ctrl.o
obj-$(CONFIG_RESET_SC5XX) += reset-sc5xx.o
obj-$(CONFIG_RESET_SCMI) += reset-scmi.o
obj-$(CONFIG_RESET_SIMPLE) += reset-simple.o
obj-$(CONFIG_RESET_SOCFPGA) += reset-socfpga.o
Expand Down
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