hw/sensor: add Intersil ISL69260 device model

Signed-off-by: Titus Rwantare <titusr@google.com>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-Id: <20220307200605.4001451-8-titusr@google.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

1 files changed, 394 insertions, 0 deletions

diff --git a/tests/qtest/isl_pmbus_vr-test.c b/tests/qtest/isl_pmbus_vr-test.c
new file mode 100644
index 0000000000..f77732ae96
--- /dev/null
+++ b/tests/qtest/isl_pmbus_vr-test.c
@@ -0,0 +1,394 @@
+/*
+ * QTests for the ISL_PMBUS digital voltage regulators
+ *
+ * Copyright 2021 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "qemu/osdep.h"
+#include <math.h>
+#include "hw/i2c/pmbus_device.h"
+#include "hw/sensor/isl_pmbus_vr.h"
+#include "libqtest-single.h"
+#include "libqos/qgraph.h"
+#include "libqos/i2c.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qnum.h"
+#include "qemu/bitops.h"
+
+#define TEST_ID "isl_pmbus_vr-test"
+#define TEST_ADDR (0x43)
+
+static uint16_t qmp_isl_pmbus_vr_get(const char *id, const char *property)
+{
+    QDict *response;
+    uint64_t ret;
+
+    response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, "
+                   "'property': %s } }", id, property);
+    g_assert(qdict_haskey(response, "return"));
+    ret = qnum_get_uint(qobject_to(QNum, qdict_get(response, "return")));
+    qobject_unref(response);
+    return ret;
+}
+
+static void qmp_isl_pmbus_vr_set(const char *id,
+                            const char *property,
+                            uint16_t value)
+{
+    QDict *response;
+
+    response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, "
+                   "'property': %s, 'value': %u } }", id, property, value);
+    g_assert(qdict_haskey(response, "return"));
+    qobject_unref(response);
+}
+
+/* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */
+static uint16_t isl_pmbus_vr_i2c_get16(QI2CDevice *i2cdev, uint8_t reg)
+{
+    uint8_t resp[2];
+    i2c_read_block(i2cdev, reg, resp, sizeof(resp));
+    return (resp[1] << 8) | resp[0];
+}
+
+/* PMBus commands are little endian vs i2c_set16 in i2c.h which is big endian */
+static void isl_pmbus_vr_i2c_set16(QI2CDevice *i2cdev, uint8_t reg,
+                                   uint16_t value)
+{
+    uint8_t data[2];
+
+    data[0] = value & 255;
+    data[1] = value >> 8;
+    i2c_write_block(i2cdev, reg, data, sizeof(data));
+}
+
+static void test_defaults(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t value, i2c_value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "vout[0]");
+    g_assert_cmpuint(value, ==, ISL_READ_VOUT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+    g_assert_cmpuint(i2c_value, ==, ISL_READ_IOUT_DEFAULT);
+
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "pout[0]");
+    g_assert_cmpuint(value, ==, ISL_READ_POUT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VIN);
+    g_assert_cmpuint(i2c_value, ==, ISL_READ_VIN_DEFAULT);
+
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "iin[0]");
+    g_assert_cmpuint(value, ==, ISL_READ_IIN_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_PIN);
+    g_assert_cmpuint(i2c_value, ==, ISL_READ_PIN_DEFAULT);
+
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "temp1[0]");
+    g_assert_cmpuint(value, ==, ISL_READ_TEMP_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+    g_assert_cmpuint(i2c_value, ==, ISL_READ_TEMP_DEFAULT);
+
+    i2c_value = i2c_get8(i2cdev, PMBUS_CAPABILITY);
+    g_assert_cmphex(i2c_value, ==, ISL_CAPABILITY_DEFAULT);
+
+    i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+    g_assert_cmphex(i2c_value, ==, ISL_OPERATION_DEFAULT);
+
+    i2c_value = i2c_get8(i2cdev, PMBUS_ON_OFF_CONFIG);
+    g_assert_cmphex(i2c_value, ==, ISL_ON_OFF_CONFIG_DEFAULT);
+
+    i2c_value = i2c_get8(i2cdev, PMBUS_VOUT_MODE);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_MODE_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_COMMAND);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_COMMAND_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MAX);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_MAX_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_HIGH);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_MARGIN_HIGH_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_LOW);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_MARGIN_LOW_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_TRANSITION_RATE);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_TRANSITION_RATE_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, ISL_VOUT_OV_FAULT_LIMIT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, ISL_OT_FAULT_LIMIT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+    g_assert_cmphex(i2c_value, ==, ISL_OT_WARN_LIMIT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VIN_OV_WARN_LIMIT);
+    g_assert_cmphex(i2c_value, ==, ISL_VIN_OV_WARN_LIMIT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VIN_UV_WARN_LIMIT);
+    g_assert_cmphex(i2c_value, ==, ISL_VIN_UV_WARN_LIMIT_DEFAULT);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_IIN_OC_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, ISL_IIN_OC_FAULT_LIMIT_DEFAULT);
+
+    i2c_value = i2c_get8(i2cdev, PMBUS_REVISION);
+    g_assert_cmphex(i2c_value, ==, ISL_REVISION_DEFAULT);
+}
+
+/* test qmp access */
+static void test_tx_rx(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t i2c_value, value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "vin[0]", 200);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "vin[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VIN);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "vout[0]", 2500);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "vout[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "iin[0]", 300);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "iin[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IIN);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "iout[0]", 310);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "iout[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "pin[0]", 100);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "pin[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_PIN);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "pout[0]", 95);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "pout[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_POUT);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "temp1[0]", 26);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "temp1[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "temp2[0]", 27);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "temp2[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "temp3[0]", 28);
+    value = qmp_isl_pmbus_vr_get(TEST_ID, "temp3[0]");
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_3);
+    g_assert_cmpuint(value, ==, i2c_value);
+
+}
+
+/* test r/w registers */
+static void test_rw_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t i2c_value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_COMMAND, 0x1234);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_COMMAND);
+    g_assert_cmphex(i2c_value, ==, 0x1234);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_TRIM, 0x4567);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_TRIM);
+    g_assert_cmphex(i2c_value, ==, 0x4567);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_MAX, 0x9876);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MAX);
+    g_assert_cmphex(i2c_value, ==, 0x9876);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_MARGIN_HIGH, 0xABCD);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_HIGH);
+    g_assert_cmphex(i2c_value, ==, 0xABCD);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_MARGIN_LOW, 0xA1B2);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MARGIN_LOW);
+    g_assert_cmphex(i2c_value, ==, 0xA1B2);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_TRANSITION_RATE, 0xDEF1);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_TRANSITION_RATE);
+    g_assert_cmphex(i2c_value, ==, 0xDEF1);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_DROOP, 0x5678);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_DROOP);
+    g_assert_cmphex(i2c_value, ==, 0x5678);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_MIN, 0x1234);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_MIN);
+    g_assert_cmphex(i2c_value, ==, 0x1234);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT, 0x2345);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_OV_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0x2345);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT, 0xFA12);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VOUT_UV_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0xFA12);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_OT_FAULT_LIMIT, 0xF077);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_OT_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0xF077);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_OT_WARN_LIMIT, 0x7137);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_OT_WARN_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0x7137);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VIN_OV_FAULT_LIMIT, 0x3456);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VIN_OV_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0x3456);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VIN_UV_FAULT_LIMIT, 0xBADA);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_VIN_UV_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0xBADA);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_IIN_OC_FAULT_LIMIT, 0xB1B0);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_IIN_OC_FAULT_LIMIT);
+    g_assert_cmphex(i2c_value, ==, 0xB1B0);
+
+    i2c_set8(i2cdev, PMBUS_OPERATION, 0xA);
+    i2c_value = i2c_get8(i2cdev, PMBUS_OPERATION);
+    g_assert_cmphex(i2c_value, ==, 0xA);
+
+    i2c_set8(i2cdev, PMBUS_ON_OFF_CONFIG, 0x42);
+    i2c_value = i2c_get8(i2cdev, PMBUS_ON_OFF_CONFIG);
+    g_assert_cmphex(i2c_value, ==, 0x42);
+}
+
+/* test that devices with multiple pages can switch between them */
+static void test_pages_rw(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t i2c_value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    i2c_set8(i2cdev, PMBUS_PAGE, 1);
+    i2c_value = i2c_get8(i2cdev, PMBUS_PAGE);
+    g_assert_cmphex(i2c_value, ==, 1);
+
+    i2c_set8(i2cdev, PMBUS_PAGE, 0);
+    i2c_value = i2c_get8(i2cdev, PMBUS_PAGE);
+    g_assert_cmphex(i2c_value, ==, 0);
+}
+
+/* test read-only registers */
+static void test_ro_regs(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t i2c_init_value, i2c_value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VIN);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_VIN, 0xBEEF);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VIN);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IIN);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_IIN, 0xB00F);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IIN);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_VOUT, 0x1234);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_VOUT);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_IOUT, 0x6547);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_IOUT);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_1, 0x1597);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_1);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_2, 0x1897);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_2);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_3);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_TEMPERATURE_3, 0x1007);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_TEMPERATURE_3);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_PIN);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_PIN, 0xDEAD);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_PIN);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+
+    i2c_init_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_POUT);
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_READ_POUT, 0xD00D);
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_READ_POUT);
+    g_assert_cmphex(i2c_init_value, ==, i2c_value);
+}
+
+/* test voltage fault handling */
+static void test_voltage_faults(void *obj, void *data, QGuestAllocator *alloc)
+{
+    uint16_t i2c_value;
+    uint8_t i2c_byte;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_OV_WARN_LIMIT, 5000);
+    qmp_isl_pmbus_vr_set(TEST_ID, "vout[0]", 5100);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_STATUS_WORD);
+    i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+    g_assert_true((i2c_value & PB_STATUS_VOUT) != 0);
+    g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_WARN) != 0);
+
+    qmp_isl_pmbus_vr_set(TEST_ID, "vout[0]", 4500);
+    i2c_set8(i2cdev, PMBUS_CLEAR_FAULTS, 0);
+    i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+    g_assert_true((i2c_byte & PB_STATUS_VOUT_OV_WARN) == 0);
+
+    isl_pmbus_vr_i2c_set16(i2cdev, PMBUS_VOUT_UV_WARN_LIMIT, 4600);
+
+    i2c_value = isl_pmbus_vr_i2c_get16(i2cdev, PMBUS_STATUS_WORD);
+    i2c_byte = i2c_get8(i2cdev, PMBUS_STATUS_VOUT);
+    g_assert_true((i2c_value & PB_STATUS_VOUT) != 0);
+    g_assert_true((i2c_byte & PB_STATUS_VOUT_UV_WARN) != 0);
+
+}
+
+static void isl_pmbus_vr_register_nodes(void)
+{
+    QOSGraphEdgeOptions opts = {
+        .extra_device_opts = "id=" TEST_ID ",address=0x43"
+    };
+    add_qi2c_address(&opts, &(QI2CAddress) { TEST_ADDR });
+
+    qos_node_create_driver("isl69260", i2c_device_create);
+    qos_node_consumes("isl69260", "i2c-bus", &opts);
+
+    qos_add_test("test_defaults", "isl69260", test_defaults, NULL);
+    qos_add_test("test_tx_rx", "isl69260", test_tx_rx, NULL);
+    qos_add_test("test_rw_regs", "isl69260", test_rw_regs, NULL);
+    qos_add_test("test_pages_rw", "isl69260", test_pages_rw, NULL);
+    qos_add_test("test_ro_regs", "isl69260", test_ro_regs, NULL);
+    qos_add_test("test_ov_faults", "isl69260", test_voltage_faults, NULL);
+}
+libqos_init(isl_pmbus_vr_register_nodes);