misc: Add iop driver for Sunplus SP7021

Add iop driver for Sunplus SP7021

Signed-off-by: Tony Huang <tony.huang@sunplus.com>

MAINTAINERS

@@ -18183,6 +18183,7 @@ SUNPLUS IOP DRIVER
 M:	Tony Huang <tony.huang@sunplus.com>
 S:	Maintained
 F:	Documentation/devicetree/bindings/misc/sunplu-iop.yaml
+F:	drivers/misc/iop
 
 SUPERH
 M:	Yoshinori Sato <ysato@users.sourceforge.jp>

drivers/misc/Kconfig

@@ -481,6 +481,7 @@ source "drivers/misc/vmw_vmci/Kconfig"
 source "drivers/misc/genwqe/Kconfig"
 source "drivers/misc/echo/Kconfig"
 source "drivers/misc/cxl/Kconfig"
+source "drivers/misc/iop/Kconfig"
 source "drivers/misc/ocxl/Kconfig"
 source "drivers/misc/bcm-vk/Kconfig"
 source "drivers/misc/cardreader/Kconfig"

drivers/misc/Makefile

@@ -52,6 +52,7 @@ obj-$(CONFIG_DW_XDATA_PCIE)	+= dw-xdata-pcie.o
 obj-$(CONFIG_PCI_ENDPOINT_TEST)	+= pci_endpoint_test.o
 obj-$(CONFIG_OCXL)		+= ocxl/
 obj-$(CONFIG_BCM_VK)		+= bcm-vk/
+obj-$(CONFIG_SUNPLUS_IOP)	+= iop/
 obj-y				+= cardreader/
 obj-$(CONFIG_PVPANIC)   	+= pvpanic/
 obj-$(CONFIG_HABANA_AI)		+= habanalabs/

drivers/misc/iop/Kconfig

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# IOP configuration
+#
+
+config SUNPLUS_IOP
+	tristate "Sunplus IOP support"
+	default ARCH_SUNPLUS
+	help
+	  Sunplus I/O processor (8051) driver.
+	  Processor for I/O control, RTC wake-up proceduce management,
+	  and cooperation with CPU&PMC in power management.
+	  Need Install DQ8051, The DQ8051 bin file generated by keil C.
+

drivers/misc/iop/Makefile

@@ -0,0 +1,13 @@
+#
+# Makefile for the IOP module drivers.
+#
+
+	# call from kernel build system
+
+	obj-$(CONFIG_SUNPLUS_IOP) += sunplus_iop.o
+	obj-$(CONFIG_SUNPLUS_IOP) += hal_iop.o
+	obj-$(CONFIG_SUNPLUS_IOP) += iopnormal.o
+	obj-$(CONFIG_SUNPLUS_IOP) += iopstandby.o
+
+clean:
+	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions