GPIO valve: add configuration interface

Add configuration interface for GPIO based valve where the valve's open
status is depicted by a GPIO. This configuration will be consumed by
ValveMonitor service which will be added to dbus-sensors repository.

Change-Id: I79374eba4fd80e2fe3876aad1c47cbefb72c93ca
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/gen/xyz/openbmc_project/Configuration/GPIOValve/meson.build b/gen/xyz/openbmc_project/Configuration/GPIOValve/meson.build
new file mode 100644
index 0000000..a76ef90
--- /dev/null
+++ b/gen/xyz/openbmc_project/Configuration/GPIOValve/meson.build
@@ -0,0 +1,40 @@
+# Generated file; do not modify.
+
+sdbusplus_current_path = 'xyz/openbmc_project/Configuration/GPIOValve'
+
+generated_sources += custom_target(
+    'xyz/openbmc_project/Configuration/GPIOValve__cpp'.underscorify(),
+    input: [
+        '../../../../../yaml/xyz/openbmc_project/Configuration/GPIOValve.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/GPIOValve',
+    ],
+    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
index 6da091a..bbdb8e1 100644
--- a/gen/xyz/openbmc_project/Configuration/meson.build
+++ b/gen/xyz/openbmc_project/Configuration/meson.build
@@ -1,6 +1,7 @@
 # Generated file; do not modify.
 subdir('GPIODeviceDetect')
 subdir('GPIOLeakDetector')
+subdir('GPIOValve')
 
 sdbusplus_current_path = 'xyz/openbmc_project/Configuration'
 
@@ -52,3 +53,27 @@
     build_by_default: should_generate_markdown,
 )
 
+generated_markdown += custom_target(
+    'xyz/openbmc_project/Configuration/GPIOValve__markdown'.underscorify(),
+    input: [
+        '../../../../yaml/xyz/openbmc_project/Configuration/GPIOValve.interface.yaml',
+    ],
+    output: ['GPIOValve.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/GPIOValve',
+    ],
+    install: should_generate_markdown,
+    install_dir: [inst_markdown_dir / sdbusplus_current_path],
+    build_by_default: should_generate_markdown,
+)
+
diff --git a/yaml/xyz/openbmc_project/Configuration/GPIOValve.interface.yaml b/yaml/xyz/openbmc_project/Configuration/GPIOValve.interface.yaml
new file mode 100644
index 0000000..12c476e
--- /dev/null
+++ b/yaml/xyz/openbmc_project/Configuration/GPIOValve.interface.yaml
@@ -0,0 +1,38 @@
+description: >
+    Implement to provide entity manager configuration for the gpio based valve.
+
+properties:
+    - name: Type
+      type: string
+      description: >
+          The type of configuration object.
+      flags:
+          - readonly
+    - name: Name
+      type: string
+      description: >
+          The name of the valve.
+      flags:
+          - readonly
+    - name: OpenPinName
+      type: string
+      description: >
+          The name of the GPIO pin that shows the valve's open status.
+      flags:
+          - readonly
+    - name: OpenPolarity
+      type: string
+      description: >
+          The GPIO polarity depicting valve's open status.
+      flags:
+          - readonly
+    - name: OpenControlPinName
+      type: string
+      description: >
+          The name of the GPIO pin that controls opening the valve.
+      flags:
+          - readonly
+    - name: OpenControlValue
+      type: boolean
+      description: >
+          The GPIO value to set to open the valve.