dt-bindings: android: add entries for android

Add dt-bindings entries pertaining to android
firmware required for verified boot.

Change-Id: Ice1074b9faee0c6faefdf1c5b03942de9878fa56

bindings/arm/msm/android.txt

@@ -0,0 +1,118 @@
+Android firmware
+
+Node to specify early mount of vendor and system partition.
+
+Required properties
+
+-compatible: "android,firmware"
+
+Child nodes:
+------------
+
+fstab:
+------------------------------
+
+fstab entry to specify mount attributes of vendor partition.
+
+Required properties:
+
+-compatible: "android,fstab"
+
+Child nodes:
+------------
+
+vendor:
+-----------------
+
+vendor partition specification.
+
+Required properties:
+
+-compatible: "android, vendor"
+-dev: block device corresponding to vendor partition
+-type: file system type of vendor partition
+-mnt_flags: mount flags
+-fsmgr_flags: fsmgr flags
+
+Example:
+
+	firmware: firmware {
+		android {
+			compatible = "android,firmware";
+			fstab {
+				compatible = "android,fstab";
+				vendor {
+					compatible = "android,vendor";
+					dev = "/dev/block/platform/soc/1da4000.ufshc/by-name/vendor";
+					type = "ext4";
+					mnt_flags = "ro,barrier=1,discard";
+					fsmgr_flags = "wait,slotselect";
+					status = "ok";
+				};
+			};
+		};
+	};
+
+odm:
+-----------------
+
+odm partition specification.
+
+Required properties:
+
+-compatible: "android, odm"
+-dev: block device corresponding to odm partition
+-type: file system type of odm partition
+-mnt_flags: mount flags
+-fsmgr_flags: fsmgr flags
+
+Example:
+
+       firmware: firmware {
+               android {
+                       compatible = "android,firmware";
+                       fstab {
+                               compatible = "android,fstab";
+                               odm {
+                                       compatible = "android,odm";
+                                       dev = "/dev/block/platform/soc/1da4000.ufshc/by-name/odm";
+                                       type = "ext4";
+                                       mnt_flags = "ro,barrier=1,discard";
+                                       fsmgr_flags = "wait,slotselect";
+                                       status = "ok";
+                               };
+                       };
+               };
+       };
+
+system:
+-----------------
+
+system partition specification.
+
+Required properties:
+
+-compatible: "android,system"
+-dev: block device corresponding to system partition
+-type: file system type of system partition
+-mnt_flags: mount flags
+-fsmgr_flags: fsmgr flags
+
+Example:
+
+        firmware: firmware {
+                android {
+                        compatible = "android,firmware";
+                        fstab {
+                                compatible = "android,fstab";
+                                system {
+                                        compatible = "android,system";
+                                        dev = "/dev/block/platform/soc/1da4000.ufshc/by-name/system";
+                                        type = "ext4";
+                                        mnt_flags = "ro,barrier=1,discard";
+                                        fsmgr_flags = "wait,slotselect";
+                                        status = "ok";
+                                };
+                        };
+                };
+        };

bindings/firmware/qcom,scm.txt

@@ -21,6 +21,8 @@ Required properties:
  * "qcom,scm-sm8150"
  and:
  * "qcom,scm"
+ * "android,firmware" for firmware image
+ * "android,vbmeta" for setting system properties for verified boot.
 - clocks: Specifies clocks needed by the SCM interface, if any:
  * core clock required for "qcom,scm-apq8064", "qcom,scm-msm8660" and
    "qcom,scm-msm8960"
@@ -42,3 +44,26 @@ Example for MSM8916:
 			clock-names = "core", "bus", "iface";
 		};
 	};
+
+Example for SM6150:
+
+firmware: firmware {
+		android {
+			compatible = "android,firmware";
+			vbmeta {
+				compatible = "android,vbmeta";
+				parts = "vbmeta,boot,system,vendor,dtbo";
+			};
+			fstab {
+				compatible = "android,fstab";
+				vendor {
+					compatible = "android,vendor";
+					dev = "/dev/block/platform/soc/1d84000.ufshc/by-name/vendor";
+					type = "ext4";
+					mnt_flags = "ro,barrier=1,discard";
+					fsmgr_flags = "wait,slotselect,avb";
+					status = "ok";
+				};
+			};
+		};
+	};

bindings/vendor-prefixes.yaml

@@ -81,6 +81,8 @@ patternProperties:
     description: Analogix Semiconductor, Inc.
   "^andestech,.*":
     description: Andes Technology Corporation
+  "^android,.*":
+    description: Google Inc.
   "^apm,.*":
     description: Applied Micro Circuits Corporation (APM)
   "^aptina,.*":