[26.04_linux-nvidia-bos] soc: mediatek: SSPM control interface and power_wrap driver

debian.nvidia-bos/config/annotations

@@ -219,6 +219,12 @@ CONFIG_MTD                                      note<'Essential for boot on ARM6
 CONFIG_MTK_PCIE_HOTPLUG                         policy<{'arm64': 'm'}>
 CONFIG_MTK_PCIE_HOTPLUG                         note<'CX7 PCIe hotplug driver for NVIDIA DGX Spark systems with GB10 SoC.'>
 
+CONFIG_MTK_POWER_WRAP                           policy<{'arm64': 'y'}>
+CONFIG_MTK_POWER_WRAP                           note<'MediaTek Power Wrap device-control (SCMI) driver.'>
+
+CONFIG_MTK_SSPM_CI                              policy<{'arm64': 'y'}>
+CONFIG_MTK_SSPM_CI                              note<'MediaTek SSPM control interface used by the Power Wrap SCMI device-control path.'>
+
 CONFIG_NOUVEAU_DEBUG                            policy<{'amd64': '-', 'arm64': '-'}>
 CONFIG_NOUVEAU_DEBUG                            note<'Disable nouveau for NVIDIA kernels'>
 

drivers/soc/mediatek/Kconfig

@@ -89,4 +89,22 @@ config MTK_SOCINFO
 	  information about the SoC to the userspace including the
 	  manufacturer name, marketing name and soc name.
 
+config MTK_SSPM_CI
+	bool "MediaTek SSPM control interface"
+	depends on ACPI && ARM64
+	help
+	  Say yes here to enable the MediaTek SSPM control interface used
+	  by platform firmware communication helpers.
+
+	  If unsure, say N.
+config MTK_POWER_WRAP
+	bool "MediaTek Power Wrap ACPI device-control support"
+	depends on ACPI && ARM64
+	depends on MTK_SSPM_CI
+	help
+	  Say yes here to enable MediaTek Power Wrap support for ACPI based
+	  device power-control flows.
+
+	  If unsure, say N.
+
 endmenu

drivers/soc/mediatek/Makefile

@@ -9,3 +9,5 @@ obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
 obj-$(CONFIG_MTK_MMSYS) += mtk-mutex.o
 obj-$(CONFIG_MTK_SVS) += mtk-svs.o
 obj-$(CONFIG_MTK_SOCINFO) += mtk-socinfo.o
+obj-$(CONFIG_MTK_SSPM_CI)	+= sspm_ci/
+obj-$(CONFIG_MTK_POWER_WRAP)	+= power_wrap/

drivers/soc/mediatek/power_wrap/Makefile

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# Composite name power_wrap_drv avoids colliding with the source file power_wrap.o
+obj-y += power_wrap_drv.o
+power_wrap_drv-y += power_wrap.o
+power_wrap_drv-y += power_wrap_sysfs.o
+power_wrap_drv-y += acpiutil.o
+
+ccflags-y += -Wall
+ccflags-y += -I$(src)/inc