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[PATCH v5 2/5] hw/misc: add ADM1272 device


From: Titus Rwantare
Subject: [PATCH v5 2/5] hw/misc: add ADM1272 device
Date: Thu, 8 Jul 2021 10:20:14 -0700

The ADM1272 is a PMBus compliant Hot Swap Controller and Digital Power
Monitor by Analog Devices.

This commit adds support for interfacing with it, and support for
setting and monitoring sensor limits.

Datasheet: 
https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1272.pdf

Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
---
 hw/misc/adm1272.c   | 544 ++++++++++++++++++++++++++++++++++++++++++++
 hw/arm/Kconfig      |   1 +
 hw/misc/Kconfig     |   4 +
 hw/misc/meson.build |   1 +
 4 files changed, 550 insertions(+)
 create mode 100644 hw/misc/adm1272.c

diff --git a/hw/misc/adm1272.c b/hw/misc/adm1272.c
new file mode 100644
index 0000000000..c1f9cf3afd
--- /dev/null
+++ b/hw/misc/adm1272.c
@@ -0,0 +1,544 @@
+/*
+ * Analog Devices ADM1272 High Voltage Positive Hot Swap Controller and Digital
+ * Power Monitor with PMBus
+ *
+ * Copyright 2021 Google LLC
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include <string.h>
+#include "hw/i2c/pmbus_device.h"
+#include "hw/irq.h"
+#include "migration/vmstate.h"
+#include "qapi/error.h"
+#include "qapi/visitor.h"
+#include "qemu/log.h"
+#include "qemu/module.h"
+#include "trace.h"
+
+#define TYPE_ADM1272 "adm1272"
+#define ADM1272(obj) OBJECT_CHECK(ADM1272State, (obj), TYPE_ADM1272)
+
+#define ADM1272_RESTART_TIME            0xCC
+#define ADM1272_MFR_PEAK_IOUT           0xD0
+#define ADM1272_MFR_PEAK_VIN            0xD1
+#define ADM1272_MFR_PEAK_VOUT           0xD2
+#define ADM1272_MFR_PMON_CONTROL        0xD3
+#define ADM1272_MFR_PMON_CONFIG         0xD4
+#define ADM1272_MFR_ALERT1_CONFIG       0xD5
+#define ADM1272_MFR_ALERT2_CONFIG       0xD6
+#define ADM1272_MFR_PEAK_TEMPERATURE    0xD7
+#define ADM1272_MFR_DEVICE_CONFIG       0xD8
+#define ADM1272_MFR_POWER_CYCLE         0xD9
+#define ADM1272_MFR_PEAK_PIN            0xDA
+#define ADM1272_MFR_READ_PIN_EXT        0xDB
+#define ADM1272_MFR_READ_EIN_EXT        0xDC
+
+#define ADM1272_HYSTERESIS_LOW          0xF2
+#define ADM1272_HYSTERESIS_HIGH         0xF3
+#define ADM1272_STATUS_HYSTERESIS       0xF4
+#define ADM1272_STATUS_GPIO             0xF5
+#define ADM1272_STRT_UP_IOUT_LIM        0xF6
+
+/* Defaults */
+#define ADM1272_OPERATION_DEFAULT       0x80
+#define ADM1272_CAPABILITY_DEFAULT      0xB0
+#define ADM1272_CAPABILITY_NO_PEC       0x30
+#define ADM1272_DIRECT_MODE             0x40
+#define ADM1272_HIGH_LIMIT_DEFAULT      0x0FFF
+#define ADM1272_PIN_OP_DEFAULT          0x7FFF
+#define ADM1272_PMBUS_REVISION_DEFAULT  0x22
+#define ADM1272_MFR_ID_DEFAULT          "ADI"
+#define ADM1272_MODEL_DEFAULT           "ADM1272-A1"
+#define ADM1272_MFR_DEFAULT_REVISION    "25"
+#define ADM1272_DEFAULT_DATE            "160301"
+#define ADM1272_RESTART_TIME_DEFAULT    0x64
+#define ADM1272_PMON_CONTROL_DEFAULT    0x1
+#define ADM1272_PMON_CONFIG_DEFAULT     0x3F35
+#define ADM1272_DEVICE_CONFIG_DEFAULT   0x8
+#define ADM1272_HYSTERESIS_HIGH_DEFAULT     0xFFFF
+#define ADM1272_STRT_UP_IOUT_LIM_DEFAULT    0x000F
+#define ADM1272_VOLT_DEFAULT            12000
+#define ADM1272_IOUT_DEFAULT            25000
+#define ADM1272_PWR_DEFAULT             300  /* 12V 25A */
+#define ADM1272_SHUNT                   300 /* micro-ohms */
+#define ADM1272_VOLTAGE_COEFF_DEFAULT   1
+#define ADM1272_CURRENT_COEFF_DEFAULT   3
+#define ADM1272_PWR_COEFF_DEFAULT       7
+#define ADM1272_IOUT_OFFSET             0x5000
+#define ADM1272_IOUT_OFFSET             0x5000
+
+
+typedef struct ADM1272State {
+    PMBusDevice parent;
+
+    uint64_t ein_ext;
+    uint32_t pin_ext;
+    uint8_t restart_time;
+
+    uint16_t peak_vin;
+    uint16_t peak_vout;
+    uint16_t peak_iout;
+    uint16_t peak_temperature;
+    uint16_t peak_pin;
+
+    uint8_t pmon_control;
+    uint16_t pmon_config;
+    uint16_t alert1_config;
+    uint16_t alert2_config;
+    uint16_t device_config;
+
+    uint16_t hysteresis_low;
+    uint16_t hysteresis_high;
+    uint8_t status_hysteresis;
+    uint8_t status_gpio;
+
+    uint16_t strt_up_iout_lim;
+
+} ADM1272State;
+
+static const PMBusCoefficients adm1272_coefficients[] = {
+    [0] = { 6770, 0, -2 },        /* voltage, vrange 60V */
+    [1] = { 4062, 0, -2 },        /* voltage, vrange 100V */
+    [2] = { 1326, 20480, -1 },    /* current, vsense range 15mV */
+    [3] = { 663, 20480, -1 },     /* current, vsense range 30mV */
+    [4] = { 3512, 0, -2 },        /* power, vrange 60V, irange 15mV */
+    [5] = { 21071, 0, -3 },       /* power, vrange 100V, irange 15mV */
+    [6] = { 17561, 0, -3 },       /* power, vrange 60V, irange 30mV */
+    [7] = { 10535, 0, -3 },       /* power, vrange 100V, irange 30mV */
+    [8] = { 42, 31871, -1 },      /* temperature */
+};
+
+static void adm1272_check_limits(ADM1272State *s)
+{
+    PMBusDevice *pmdev = PMBUS_DEVICE(s);
+
+    pmbus_check_limits(pmdev);
+
+    if (pmdev->pages[0].read_vout > s->peak_vout) {
+        s->peak_vout = pmdev->pages[0].read_vout;
+    }
+
+    if (pmdev->pages[0].read_vin > s->peak_vin) {
+        s->peak_vin = pmdev->pages[0].read_vin;
+    }
+
+    if (pmdev->pages[0].read_iout > s->peak_iout) {
+        s->peak_iout = pmdev->pages[0].read_iout;
+    }
+
+    if (pmdev->pages[0].read_temperature_1 > s->peak_temperature) {
+        s->peak_temperature = pmdev->pages[0].read_temperature_1;
+    }
+
+    if (pmdev->pages[0].read_pin > s->peak_pin) {
+        s->peak_pin = pmdev->pages[0].read_pin;
+    }
+}
+
+static uint16_t adm1272_millivolts_to_direct(uint32_t value)
+{
+    PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT];
+    c.b = c.b * 1000;
+    c.R = c.R - 3;
+    return pmbus_data2direct_mode(c, value);
+}
+
+static uint32_t adm1272_direct_to_millivolts(uint16_t value)
+{
+    PMBusCoefficients c = adm1272_coefficients[ADM1272_VOLTAGE_COEFF_DEFAULT];
+    c.b = c.b * 1000;
+    c.R = c.R - 3;
+    return pmbus_direct_mode2data(c, value);
+}
+
+static uint16_t adm1272_milliamps_to_direct(uint32_t value)
+{
+    PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT];
+    /* Y = (m * r_sense * x - b) * 10^R */
+    c.m = c.m * ADM1272_SHUNT / 1000; /* micro-ohms */
+    c.b = c.b * 1000;
+    c.R = c.R - 3;
+    return pmbus_data2direct_mode(c, value);
+}
+
+static uint32_t adm1272_direct_to_milliamps(uint16_t value)
+{
+    PMBusCoefficients c = adm1272_coefficients[ADM1272_CURRENT_COEFF_DEFAULT];
+    c.m = c.m * ADM1272_SHUNT / 1000;
+    c.b = c.b * 1000;
+    c.R = c.R - 3;
+    return pmbus_direct_mode2data(c, value);
+}
+
+static uint16_t adm1272_watts_to_direct(uint32_t value)
+{
+    PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT];
+    c.m = c.m * ADM1272_SHUNT / 1000;
+    return pmbus_data2direct_mode(c, value);
+}
+
+static uint32_t adm1272_direct_to_watts(uint16_t value)
+{
+    PMBusCoefficients c = adm1272_coefficients[ADM1272_PWR_COEFF_DEFAULT];
+    c.m = c.m * ADM1272_SHUNT / 1000;
+    return pmbus_direct_mode2data(c, value);
+}
+
+static void adm1272_exit_reset(Object *obj)
+{
+    ADM1272State *s = ADM1272(obj);
+    PMBusDevice *pmdev = PMBUS_DEVICE(obj);
+
+    pmdev->page = 0;
+    pmdev->pages[0].operation = ADM1272_OPERATION_DEFAULT;
+
+
+    pmdev->capability = ADM1272_CAPABILITY_NO_PEC;
+    pmdev->pages[0].revision = ADM1272_PMBUS_REVISION_DEFAULT;
+    pmdev->pages[0].vout_mode = ADM1272_DIRECT_MODE;
+    pmdev->pages[0].vout_ov_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT;
+    pmdev->pages[0].vout_uv_warn_limit = 0;
+    pmdev->pages[0].iout_oc_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT;
+    pmdev->pages[0].ot_fault_limit = ADM1272_HIGH_LIMIT_DEFAULT;
+    pmdev->pages[0].ot_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT;
+    pmdev->pages[0].vin_ov_warn_limit = ADM1272_HIGH_LIMIT_DEFAULT;
+    pmdev->pages[0].vin_uv_warn_limit = 0;
+    pmdev->pages[0].pin_op_warn_limit = ADM1272_PIN_OP_DEFAULT;
+
+    pmdev->pages[0].status_word = 0;
+    pmdev->pages[0].status_vout = 0;
+    pmdev->pages[0].status_iout = 0;
+    pmdev->pages[0].status_input = 0;
+    pmdev->pages[0].status_temperature = 0;
+    pmdev->pages[0].status_mfr_specific = 0;
+
+    pmdev->pages[0].read_vin
+        = adm1272_millivolts_to_direct(ADM1272_VOLT_DEFAULT);
+    pmdev->pages[0].read_vout
+        = adm1272_millivolts_to_direct(ADM1272_VOLT_DEFAULT);
+    pmdev->pages[0].read_iout
+        = adm1272_milliamps_to_direct(ADM1272_IOUT_DEFAULT);
+    pmdev->pages[0].read_temperature_1 = 0;
+    pmdev->pages[0].read_pin = adm1272_watts_to_direct(ADM1272_PWR_DEFAULT);
+    pmdev->pages[0].revision = ADM1272_PMBUS_REVISION_DEFAULT;
+    pmdev->pages[0].mfr_id = ADM1272_MFR_ID_DEFAULT;
+    pmdev->pages[0].mfr_model = ADM1272_MODEL_DEFAULT;
+    pmdev->pages[0].mfr_revision = ADM1272_MFR_DEFAULT_REVISION;
+    pmdev->pages[0].mfr_date = ADM1272_DEFAULT_DATE;
+
+    s->pin_ext = 0;
+    s->ein_ext = 0;
+    s->restart_time = ADM1272_RESTART_TIME_DEFAULT;
+
+    s->peak_vin = 0;
+    s->peak_vout = 0;
+    s->peak_iout = 0;
+    s->peak_temperature = 0;
+    s->peak_pin = 0;
+
+    s->pmon_control = ADM1272_PMON_CONTROL_DEFAULT;
+    s->pmon_config = ADM1272_PMON_CONFIG_DEFAULT;
+    s->alert1_config = 0;
+    s->alert2_config = 0;
+    s->device_config = ADM1272_DEVICE_CONFIG_DEFAULT;
+
+    s->hysteresis_low = 0;
+    s->hysteresis_high = ADM1272_HYSTERESIS_HIGH_DEFAULT;
+    s->status_hysteresis = 0;
+    s->status_gpio = 0;
+
+    s->strt_up_iout_lim = ADM1272_STRT_UP_IOUT_LIM_DEFAULT;
+}
+
+static uint8_t adm1272_read_byte(PMBusDevice *pmdev)
+{
+    ADM1272State *s = ADM1272(pmdev);
+
+    switch (pmdev->code) {
+    case ADM1272_RESTART_TIME:
+        pmbus_send8(pmdev, s->restart_time);
+        break;
+
+    case ADM1272_MFR_PEAK_IOUT:
+        pmbus_send16(pmdev, s->peak_iout);
+        break;
+
+    case ADM1272_MFR_PEAK_VIN:
+        pmbus_send16(pmdev, s->peak_vin);
+        break;
+
+    case ADM1272_MFR_PEAK_VOUT:
+        pmbus_send16(pmdev, s->peak_vout);
+        break;
+
+    case ADM1272_MFR_PMON_CONTROL:
+        pmbus_send8(pmdev, s->pmon_control);
+        break;
+
+    case ADM1272_MFR_PMON_CONFIG:
+        pmbus_send16(pmdev, s->pmon_config);
+        break;
+
+    case ADM1272_MFR_ALERT1_CONFIG:
+        pmbus_send16(pmdev, s->alert1_config);
+        break;
+
+    case ADM1272_MFR_ALERT2_CONFIG:
+        pmbus_send16(pmdev, s->alert2_config);
+        break;
+
+    case ADM1272_MFR_PEAK_TEMPERATURE:
+        pmbus_send16(pmdev, s->peak_temperature);
+        break;
+
+    case ADM1272_MFR_DEVICE_CONFIG:
+        pmbus_send16(pmdev, s->device_config);
+        break;
+
+    case ADM1272_MFR_PEAK_PIN:
+        pmbus_send16(pmdev, s->peak_pin);
+        break;
+
+    case ADM1272_MFR_READ_PIN_EXT:
+        pmbus_send32(pmdev, s->pin_ext);
+        break;
+
+    case ADM1272_MFR_READ_EIN_EXT:
+        pmbus_send64(pmdev, s->ein_ext);
+        break;
+
+    case ADM1272_HYSTERESIS_LOW:
+        pmbus_send16(pmdev, s->hysteresis_low);
+        break;
+
+    case ADM1272_HYSTERESIS_HIGH:
+        pmbus_send16(pmdev, s->hysteresis_high);
+        break;
+
+    case ADM1272_STATUS_HYSTERESIS:
+        pmbus_send16(pmdev, s->status_hysteresis);
+        break;
+
+    case ADM1272_STATUS_GPIO:
+        pmbus_send16(pmdev, s->status_gpio);
+        break;
+
+    case ADM1272_STRT_UP_IOUT_LIM:
+        pmbus_send16(pmdev, s->strt_up_iout_lim);
+        break;
+
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: reading from unsupported register: 0x%02x\n",
+                      __func__, pmdev->code);
+        return 0xFF;
+        break;
+    }
+
+    return 0;
+}
+
+static int adm1272_write_data(PMBusDevice *pmdev, const uint8_t *buf,
+                              uint8_t len)
+{
+    ADM1272State *s = ADM1272(pmdev);
+
+    if (len == 0) {
+        qemu_log_mask(LOG_GUEST_ERROR, "%s: writing empty data\n", __func__);
+        return -1;
+    }
+
+    pmdev->code = buf[0]; /* PMBus command code */
+
+    if (len == 1) {
+        return 0;
+    }
+
+    /* Exclude command code from buffer */
+    buf++;
+    len--;
+
+    switch (pmdev->code) {
+
+    case ADM1272_RESTART_TIME:
+        s->restart_time = pmbus_receive8(pmdev);
+        break;
+
+    case ADM1272_MFR_PMON_CONTROL:
+        s->pmon_control = pmbus_receive8(pmdev);
+        break;
+
+    case ADM1272_MFR_PMON_CONFIG:
+        s->pmon_config = pmbus_receive16(pmdev);
+        break;
+
+    case ADM1272_MFR_ALERT1_CONFIG:
+        s->alert1_config = pmbus_receive16(pmdev);
+        break;
+
+    case ADM1272_MFR_ALERT2_CONFIG:
+        s->alert2_config = pmbus_receive16(pmdev);
+        break;
+
+    case ADM1272_MFR_DEVICE_CONFIG:
+        s->device_config = pmbus_receive16(pmdev);
+        break;
+
+    case ADM1272_MFR_POWER_CYCLE:
+        adm1272_exit_reset((Object *)s);
+        break;
+
+    case ADM1272_HYSTERESIS_LOW:
+        s->hysteresis_low = pmbus_receive16(pmdev);
+        break;
+
+    case ADM1272_HYSTERESIS_HIGH:
+        s->hysteresis_high = pmbus_receive16(pmdev);
+        break;
+
+    case ADM1272_STRT_UP_IOUT_LIM:
+        s->strt_up_iout_lim = pmbus_receive16(pmdev);
+        adm1272_check_limits(s);
+        break;
+
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: writing to unsupported register: 0x%02x\n",
+                      __func__, pmdev->code);
+        break;
+    }
+    return 0;
+}
+
+static void adm1272_get(Object *obj, Visitor *v, const char *name, void 
*opaque,
+                        Error **errp)
+{
+    uint16_t value;
+
+    if (strcmp(name, "vin") == 0 || strcmp(name, "vout") == 0) {
+        value = adm1272_direct_to_millivolts(*(uint16_t *)opaque);
+    } else if (strcmp(name, "iout") == 0) {
+        value = adm1272_direct_to_milliamps(*(uint16_t *)opaque);
+    } else if (strcmp(name, "pin") == 0) {
+        value = adm1272_direct_to_watts(*(uint16_t *)opaque);
+    } else {
+        value = *(uint16_t *)opaque;
+    }
+
+    visit_type_uint16(v, name, &value, errp);
+}
+
+static void adm1272_set(Object *obj, Visitor *v, const char *name, void 
*opaque,
+                        Error **errp)
+{
+    ADM1272State *s = ADM1272(obj);
+    uint16_t *internal = opaque;
+    uint16_t value;
+
+    if (!visit_type_uint16(v, name, &value, errp)) {
+        return;
+    }
+
+    if (strcmp(name, "vin") == 0 || strcmp(name, "vout") == 0) {
+        *internal = adm1272_millivolts_to_direct(value);
+    } else if (strcmp(name, "iout") == 0) {
+        *internal = adm1272_milliamps_to_direct(value);
+    } else if (strcmp(name, "pin") == 0) {
+        *internal = adm1272_watts_to_direct(value);
+    } else {
+        *internal = value;
+    }
+
+    adm1272_check_limits(s);
+}
+
+static const VMStateDescription vmstate_adm1272 = {
+    .name = "ADM1272",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .fields = (VMStateField[]){
+        VMSTATE_PMBUS_DEVICE(parent, ADM1272State),
+        VMSTATE_UINT64(ein_ext, ADM1272State),
+        VMSTATE_UINT32(pin_ext, ADM1272State),
+        VMSTATE_UINT8(restart_time, ADM1272State),
+
+        VMSTATE_UINT16(peak_vin, ADM1272State),
+        VMSTATE_UINT16(peak_vout, ADM1272State),
+        VMSTATE_UINT16(peak_iout, ADM1272State),
+        VMSTATE_UINT16(peak_temperature, ADM1272State),
+        VMSTATE_UINT16(peak_pin, ADM1272State),
+
+        VMSTATE_UINT8(pmon_control, ADM1272State),
+        VMSTATE_UINT16(pmon_config, ADM1272State),
+        VMSTATE_UINT16(alert1_config, ADM1272State),
+        VMSTATE_UINT16(alert2_config, ADM1272State),
+        VMSTATE_UINT16(device_config, ADM1272State),
+
+        VMSTATE_UINT16(hysteresis_low, ADM1272State),
+        VMSTATE_UINT16(hysteresis_high, ADM1272State),
+        VMSTATE_UINT8(status_hysteresis, ADM1272State),
+        VMSTATE_UINT8(status_gpio, ADM1272State),
+
+        VMSTATE_UINT16(strt_up_iout_lim, ADM1272State),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static void adm1272_init(Object *obj)
+{
+    PMBusDevice *pmdev = PMBUS_DEVICE(obj);
+    uint64_t flags = PB_HAS_VOUT_MODE | PB_HAS_VOUT | PB_HAS_VIN | PB_HAS_IOUT 
|
+                     PB_HAS_PIN | PB_HAS_TEMPERATURE | PB_HAS_MFR_INFO;
+
+    pmbus_page_config(pmdev, 0, flags);
+
+    object_property_add(obj, "vin", "uint16",
+                        adm1272_get,
+                        adm1272_set, NULL, &pmdev->pages[0].read_vin);
+
+    object_property_add(obj, "vout", "uint16",
+                        adm1272_get,
+                        adm1272_set, NULL, &pmdev->pages[0].read_vout);
+
+    object_property_add(obj, "iout", "uint16",
+                        adm1272_get,
+                        adm1272_set, NULL, &pmdev->pages[0].read_iout);
+
+    object_property_add(obj, "pin", "uint16",
+                        adm1272_get,
+                        adm1272_set, NULL, &pmdev->pages[0].read_pin);
+
+}
+
+static void adm1272_class_init(ObjectClass *klass, void *data)
+{
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PMBusDeviceClass *k = PMBUS_DEVICE_CLASS(klass);
+
+    dc->desc = "Analog Devices ADM1272 Hot Swap controller";
+    dc->vmsd = &vmstate_adm1272;
+    k->write_data = adm1272_write_data;
+    k->receive_byte = adm1272_read_byte;
+    k->device_num_pages = 1;
+
+    rc->phases.exit = adm1272_exit_reset;
+}
+
+static const TypeInfo adm1272_info = {
+    .name = TYPE_ADM1272,
+    .parent = TYPE_PMBUS_DEVICE,
+    .instance_size = sizeof(ADM1272State),
+    .instance_init = adm1272_init,
+    .class_init = adm1272_class_init,
+};
+
+static void adm1272_register_types(void)
+{
+    type_register_static(&adm1272_info);
+}
+
+type_init(adm1272_register_types)
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 20bd60f10b..e141084a79 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -371,6 +371,7 @@ config XLNX_VERSAL
 config NPCM7XX
     bool
     select A9MPCORE
+    select ADM1272
     select ARM_GIC
     select AT24C  # EEPROM
     select PL310  # cache controller
diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig
index c71ed25820..0774c1f70c 100644
--- a/hw/misc/Kconfig
+++ b/hw/misc/Kconfig
@@ -14,6 +14,10 @@ config ARMSSE_CPU_PWRCTRL
 config MAX111X
     bool
 
+config ADM1272
+    bool
+    depends on I2C
+
 config TMP105
     bool
     depends on I2C
diff --git a/hw/misc/meson.build b/hw/misc/meson.build
index 66e1648533..8666e9225a 100644
--- a/hw/misc/meson.build
+++ b/hw/misc/meson.build
@@ -10,6 +10,7 @@ softmmu_ss.add(when: 'CONFIG_SGA', if_true: files('sga.c'))
 softmmu_ss.add(when: 'CONFIG_TMP105', if_true: files('tmp105.c'))
 softmmu_ss.add(when: 'CONFIG_TMP421', if_true: files('tmp421.c'))
 softmmu_ss.add(when: 'CONFIG_EMC141X', if_true: files('emc141x.c'))
+softmmu_ss.add(when: 'CONFIG_ADM1272', if_true: files('adm1272.c'))
 softmmu_ss.add(when: 'CONFIG_UNIMP', if_true: files('unimp.c'))
 softmmu_ss.add(when: 'CONFIG_EMPTY_SLOT', if_true: files('empty_slot.c'))
 softmmu_ss.add(when: 'CONFIG_LED', if_true: files('led.c'))
-- 
2.32.0.93.g670b81a890-goog




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