platform: Add Surface platform directory

It may make sense to split the Microsoft Surface hardware platform
drivers out to a separate subdirectory, since some of it may be shared
between ARM and x86 in the future (regarding devices like the Surface
Pro X).

Further, newer Surface devices will require additional platform drivers
for fundamental support (mostly regarding their embedded controller),
which may also warrant this split from a size perspective.

This commit introduces a new platform/surface subdirectory for the
Surface device family, with subsequent commits moving existing Surface
drivers over from platform/x86.

A new MAINTAINERS entry is added for this directory. Patches to files in
this directory will be taken up by the platform-drivers-x86 team (i.e.
Hans de Goede and Mark Gross) after they have been reviewed by
Maximilian Luz.

Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20201009141128.683254-2-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index e73636b75f29de8644c5c260b60f029e36df635a..e8bc7fd592359300ec68618071def587770e280c 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11650,6 +11650,15 @@ F:     drivers/scsi/smartpqi/smartpqi*.[ch]
 F:     include/linux/cciss*.h
 F:     include/uapi/linux/cciss*.h
 
+MICROSOFT SURFACE HARDWARE PLATFORM SUPPORT
+M:     Hans de Goede <hdegoede@redhat.com>
+M:     Mark Gross <mgross@linux.intel.com>
+M:     Maximilian Luz <luzmaximilian@gmail.com>
+L:     platform-driver-x86@vger.kernel.org
+S:     Maintained
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
+F:     drivers/platform/surface/
+
 MICROSOFT SURFACE PRO 3 BUTTON DRIVER
 M:     Chen Yu <yu.c.chen@intel.com>
 L:     platform-driver-x86@vger.kernel.org

diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig
index 971426bb4302c9583d1765d92d6b924863a70453..18fc6a08569ebf4b09efa7e7e984b5b5e23c9998 100644 (file)
--- a/drivers/platform/Kconfig
+++ b/drivers/platform/Kconfig
@@ -13,3 +13,5 @@ source "drivers/platform/chrome/Kconfig"
 source "drivers/platform/mellanox/Kconfig"
 
 source "drivers/platform/olpc/Kconfig"
+
+source "drivers/platform/surface/Kconfig"

diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
index 6fda58c021ca4a3bced00822ce35da45636478b7..4de08ef4ec9d087356dff9b1d5d4f701ec510ccf 100644 (file)
--- a/drivers/platform/Makefile
+++ b/drivers/platform/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_MIPS)              += mips/
 obj-$(CONFIG_OLPC_EC)          += olpc/
 obj-$(CONFIG_GOLDFISH)         += goldfish/
 obj-$(CONFIG_CHROME_PLATFORMS) += chrome/
+obj-$(CONFIG_SURFACE_PLATFORMS)        += surface/

diff --git a/drivers/platform/surface/Kconfig b/drivers/platform/surface/Kconfig
new file mode 100644 (file)
index 0000000..b67926e
--- /dev/null
+++ b/drivers/platform/surface/Kconfig
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Microsoft Surface Platform-Specific Drivers
+#
+
+menuconfig SURFACE_PLATFORMS
+       bool "Microsoft Surface Platform-Specific Device Drivers"
+       default y
+       help
+         Say Y here to get to see options for platform-specific device drivers
+         for Microsoft Surface devices. This option alone does not add any
+         kernel code.
+
+         If you say N, all options in this submenu will be skipped and disabled.

diff --git a/drivers/platform/surface/Makefile b/drivers/platform/surface/Makefile
new file mode 100644 (file)
index 0000000..3700f9e
--- /dev/null
+++ b/drivers/platform/surface/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for linux/drivers/platform/surface
+# Microsoft Surface Platform-Specific Drivers
+#