Configuration: Add GPIODeviceDetect interface

configuration interface for gpio-presence daemon.

As defined in the design document for gpio hw inventory [1]

References:
[1] https://github.com/openbmc/docs/blob/abbf7355231fbd9d5231e136780c167f2a89494e/designs/inventory/gpio-based-hardware-inventory.md

Change-Id: I01b002623125de258366779a656592c0840a6d89
Signed-off-by: Alexander Hansen <alexander.hansen@9elements.com>
diff --git a/gen/xyz/openbmc_project/Configuration/GPIODeviceDetect/meson.build b/gen/xyz/openbmc_project/Configuration/GPIODeviceDetect/meson.build
new file mode 100644
index 0000000..4dd10f5
--- /dev/null
+++ b/gen/xyz/openbmc_project/Configuration/GPIODeviceDetect/meson.build
@@ -0,0 +1,35 @@
+# Generated file; do not modify.
+
+sdbusplus_current_path = 'xyz/openbmc_project/Configuration/GPIODeviceDetect'
+
+generated_sources += custom_target(
+    'xyz/openbmc_project/Configuration/GPIODeviceDetect__cpp'.underscorify(),
+    input: [
+        '../../../../../yaml/xyz/openbmc_project/Configuration/GPIODeviceDetect.interface.yaml',
+    ],
+    output: [
+        'common.hpp',
+        'server.hpp',
+        'server.cpp',
+        'aserver.hpp',
+        'client.hpp',
+    ],
+    depend_files: sdbusplusplus_depfiles,
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'cpp',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.current_source_dir() / '../../../../../yaml',
+        'xyz/openbmc_project/Configuration/GPIODeviceDetect',
+    ],
+    install: should_generate_cpp,
+    install_dir: [
+        get_option('includedir') / sdbusplus_current_path,
+        get_option('includedir') / sdbusplus_current_path,
+        false,
+        get_option('includedir') / sdbusplus_current_path,
+        get_option('includedir') / sdbusplus_current_path,
+    ],
+    build_by_default: should_generate_cpp,
+)
+
diff --git a/gen/xyz/openbmc_project/Configuration/meson.build b/gen/xyz/openbmc_project/Configuration/meson.build
new file mode 100644
index 0000000..9f5cc12
--- /dev/null
+++ b/gen/xyz/openbmc_project/Configuration/meson.build
@@ -0,0 +1,22 @@
+# Generated file; do not modify.
+subdir('GPIODeviceDetect')
+
+sdbusplus_current_path = 'xyz/openbmc_project/Configuration'
+
+generated_markdown += custom_target(
+    'xyz/openbmc_project/Configuration/GPIODeviceDetect__markdown'.underscorify(),
+    input: [ '../../../../yaml/xyz/openbmc_project/Configuration/GPIODeviceDetect.interface.yaml',  ],
+    output: [ 'GPIODeviceDetect.md' ],
+    depend_files: sdbusplusplus_depfiles,
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.current_source_dir() / '../../../../yaml',
+        'xyz/openbmc_project/Configuration/GPIODeviceDetect',
+    ],
+    install: should_generate_markdown,
+    install_dir: [inst_markdown_dir / sdbusplus_current_path],
+    build_by_default: should_generate_markdown,
+)
+
diff --git a/gen/xyz/openbmc_project/meson.build b/gen/xyz/openbmc_project/meson.build
index 094d425..7e314f4 100644
--- a/gen/xyz/openbmc_project/meson.build
+++ b/gen/xyz/openbmc_project/meson.build
@@ -8,6 +8,7 @@
 subdir('Collection')
 subdir('Common')
 subdir('Condition')
+subdir('Configuration')
 subdir('Console')
 subdir('Control')
 subdir('Debug')
diff --git a/yaml/xyz/openbmc_project/Configuration/GPIODeviceDetect.interface.yaml b/yaml/xyz/openbmc_project/Configuration/GPIODeviceDetect.interface.yaml
new file mode 100644
index 0000000..fad8661
--- /dev/null
+++ b/yaml/xyz/openbmc_project/Configuration/GPIODeviceDetect.interface.yaml
@@ -0,0 +1,18 @@
+description: >
+    Information to enable a daemon to probe hardware based on gpio values
+properties:
+    - name: Name
+      type: string
+      description: >
+          Used by entity-manager to identify which hw was detected. For internal
+          use by entity-manager.
+    - name: PresencePinNames
+      type: array[string]
+      description: >
+          Names of the gpio lines.
+    - name: PresencePinValues
+      type: array[uint64]
+      description: >
+          Values of the gpio lines for which a device is considered present.
+          Choosing 'uint64' instead of 'bool' here for compatibility with how EM
+          exposes configuration on dbus.