[as5835-54x] Add to support PDDF

device/accton/x86_64-accton_as5835_54x-r0/installer.conf

@@ -1,3 +1,4 @@
 CONSOLE_PORT=0x3f8
 CONSOLE_DEV=0
 CONSOLE_SPEED=115200
+ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="modprobe.blacklist=i2c-ismt,i2c_ismt,i2c-i801,i2c_i801"

device/accton/x86_64-accton_as5835_54x-r0/pddf/pd-plugin.json

@@ -0,0 +1,66 @@
+{
+
+    "XCVR":
+    {
+        "xcvr_present":
+        {
+           "i2c":
+           {
+               "valmap-SFP28": {"1":true, "0":false },
+               "valmap-QSFP28": {"1":true, "0":false}
+           }
+        }
+    },
+    "PSU":
+    {
+        "psu_present": 
+        {
+            "i2c":
+            {
+                "valmap": { "1":true, "0":false }
+            }
+        },
+
+        "psu_power_good": 
+        {
+            "i2c":
+            {
+                "valmap": { "1": true, "0":false }
+            }
+        },
+
+        "psu_fan_dir":
+        {
+            "i2c":
+            {
+                "valmap": { "F2B":"EXHAUST", "B2F":"INTAKE" }
+            }
+        },
+
+        "PSU_FAN_MAX_SPEED":"18000"
+    },
+
+    "FAN":
+    {
+        "direction":
+        {
+            "i2c":
+            {
+                "valmap": {"1":"INTAKE", "0":"EXHAUST"}
+            }
+        },
+
+        "present":
+        {
+            "i2c":
+            {
+                "valmap": {"1":true, "0":false}
+            }
+        },
+
+        "duty_cycle_to_pwm": "lambda dc: (dc/5)",
+
+        "pwm_to_duty_cycle": "lambda pwm: (pwm*5)"
+    }
+
+}