[AS5835-54T] Support PDDF

device/accton/x86_64-accton_as5835_54t-r0/Accton-AS5835-54T/port_config.ini

@@ -48,8 +48,8 @@ Ethernet45      73                    tenGigE46         46     10000
 Ethernet46      76                    tenGigE47         47     10000
 Ethernet47      75                    tenGigE48         48     10000
 Ethernet48      37,38,39,40           hundredGigE49     49     100000
-Ethernet52      29,30,31,32           hundredGigE50     53     100000
-Ethernet56      33,34,35,36           hundredGigE51     57     100000
-Ethernet60      49,50,51,52           hundredGigE52     61     100000
-Ethernet64      45,46,47,48           hundredGigE53     65     100000
-Ethernet68      41,42,43,44           hundredGigE54     69     100000
+Ethernet52      29,30,31,32           hundredGigE50     50     100000
+Ethernet56      33,34,35,36           hundredGigE51     51     100000
+Ethernet60      49,50,51,52           hundredGigE52     52     100000
+Ethernet64      45,46,47,48           hundredGigE53     53     100000
+Ethernet68      41,42,43,44           hundredGigE54     54     100000

device/accton/x86_64-accton_as5835_54t-r0/pddf/pd-plugin.json

@@ -0,0 +1,67 @@
+{
+
+    "XCVR":
+    {
+        "xcvr_present":
+        {
+           "i2c":
+           {
+               "valmap-SFP": {"1":true, "0":false },
+               "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)"
+    }
+
+}

platform/broadcom/sonic-platform-modules-accton/as5835-54t/modules/Makefile

@@ -1,7 +1,7 @@
 ifneq ($(KERNELRELEASE),)
 obj-m:= accton_as5835_54t_cpld.o accton_as5835_54t_psu.o  \
         accton_as5835_54t_fan.o accton_as5835_54t_leds.o \
-        ym2651y.o
+        ym2651y.o pddf_custom_psu.o
 
 else
 ifeq (,$(KERNEL_SRC))

platform/broadcom/sonic-platform-modules-accton/as5835-54t/modules/pddf_custom_psu.c

@@ -0,0 +1,123 @@
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/sysfs.h>
+#include <linux/slab.h>
+#include <linux/dmi.h>
+#include "../../../../pddf/i2c/modules/include/pddf_psu_defs.h"
+
+ssize_t pddf_show_custom_psu_v_out(struct device *dev, struct device_attribute *da, char *buf);
+extern PSU_SYSFS_ATTR_DATA access_psu_v_out;
+
+static int two_complement_to_int(u16 data, u8 valid_bit, int mask)
+{
+	u16  valid_data  = data & mask;
+	bool is_negative = valid_data >> (valid_bit - 1);
+
+	return is_negative ? (-(((~valid_data) & mask) + 1)) : valid_data;
+}
+
+static u8 psu_get_vout_mode(struct i2c_client *client)
+{
+	u8 status = 0, retry = 10;
+	uint8_t offset = 0x20; // VOUT_MODE
+
+	while (retry) {
+		status = i2c_smbus_read_byte_data((struct i2c_client *)client, offset);
+		if (unlikely(status < 0)) {
+			msleep(60);
+			retry--;
+			continue;
+		}
+		break;
+	}
+
+	if (status < 0)
+	{
+		printk(KERN_ERR "%s: Get PSU Vout mode failed\n", __func__);
+		return 0;
+	}
+	else
+	{
+		/*printk(KERN_ERR "%s: vout_mode reg value 0x%x\n", __func__, status);*/
+		return status;
+	}
+}
+
+static u16 psu_get_v_out(struct i2c_client *client)
+{
+	u16 status = 0, retry = 10;
+	uint8_t offset = 0x8b; // READ_VOUT
+
+	while (retry) {
+		status = i2c_smbus_read_word_data((struct i2c_client *)client, offset);
+		if (unlikely(status < 0)) {
+			msleep(60);
+			retry--;
+			continue;
+		}
+		break;
+	}
+
+	if (status < 0)
+	{
+		printk(KERN_ERR "%s: Get PSU Vout failed\n", __func__);
+		return 0;
+	}
+	else
+	{
+		/*printk(KERN_ERR "%s: vout reg value 0x%x\n", __func__, status);*/
+		return status;
+	}
+}
+
+ssize_t pddf_show_custom_psu_v_out(struct device *dev, struct device_attribute *da, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+	int exponent, mantissa;
+	int multiplier = 1000;
+
+	u16 value = psu_get_v_out(client);
+	u8 vout_mode = psu_get_vout_mode(client);
+
+	if ((vout_mode >> 5) == 0)
+		exponent = two_complement_to_int(vout_mode & 0x1f, 5, 0x1f);
+	else
+	{
+		printk(KERN_ERR "%s: Only support linear mode for vout mode\n", __func__);
+		exponent = 0;
+	}
+	mantissa = value;
+	if (exponent >= 0)
+		return sprintf(buf, "%d\n", (mantissa << exponent) * multiplier);
+	else
+		return sprintf(buf, "%d\n", (mantissa * multiplier) / (1 << -exponent));
+}
+
+
+
+static int __init pddf_custom_psu_init(void)
+{
+	access_psu_v_out.show = pddf_show_custom_psu_v_out;
+	access_psu_v_out.do_get = NULL;
+	return 0;
+}
+
+static void __exit pddf_custom_psu_exit(void)
+{
+	return;
+}
+
+MODULE_AUTHOR("Broadcom");
+MODULE_DESCRIPTION("pddf custom psu api");
+MODULE_LICENSE("GPL");
+
+module_init(pddf_custom_psu_init);
+module_exit(pddf_custom_psu_exit);
+

platform/broadcom/sonic-platform-modules-accton/as5835-54t/service/as5835-54t-pddf-platform-monitor.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Accton AS5835-54T Platform Monitoring service
+Before=pmon.service
+After=pddf-platform-init.service
+DefaultDependencies=no
+
+[Service]
+ExecStart=/usr/local/bin/accton_as5835_54t_pddf_monitor.py
+KillSignal=SIGKILL
+SuccessExitStatus=SIGKILL
+
+# Resource Limitations
+LimitCORE=infinity
+
+[Install]
+WantedBy=multi-user.target

platform/broadcom/sonic-platform-modules-accton/as5835-54t/service/pddf-platform-init.service

@@ -0,0 +1 @@
+../../../../pddf/i2c/service/pddf-platform-init.service

platform/broadcom/sonic-platform-modules-accton/as5835-54t/sonic_platform_setup.py

@@ -0,0 +1,25 @@
+from setuptools import setup
+
+setup(
+    name='sonic-platform',
+    version='1.0',
+    description='SONiC platform API implementation on Accton Platforms',
+    license='Apache 2.0',
+    author='SONiC Team',
+    author_email='linuxnetdev@microsoft.com',
+    url='https://github.com/Azure/sonic-buildimage',
+    packages=['sonic_platform'],
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Environment :: Plugins',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Information Technology',
+        'Intended Audience :: System Administrators',
+        'License :: OSI Approved :: Apache Software License',
+        'Natural Language :: English',
+        'Operating System :: POSIX :: Linux',
+        'Programming Language :: Python :: 3.7',
+        'Topic :: Utilities',
+    ],
+    keywords='sonic SONiC platform PLATFORM',
+)