[PATCH v2 2/3] firmware: scmi: sandbox test for voltage regulator
Jaehoon Chung
jh80.chung at samsung.com
Mon Feb 22 00:36:55 CET 2021
On 2/19/21 10:33 PM, Etienne Carriere wrote:
> Implement sandbox regulator devices for SCMI voltage domains
> and test them in DM scmi tests.
>
> Signed-off-by: Etienne Carriere <etienne.carriere at linaro.org>
Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>
Best Regards,
Jaehoon Chung
> ---
> Changes in v2:
> - don't test IS_ENABLED(CONFIG_DM_REGULATOR_SCMI) in test/dm/scmi.c,
> it's expected enabled when CONFIG_FIRMWARE_SCMI is enabled in sandbox.
> ---
> arch/sandbox/dts/test.dts | 23 +++
> arch/sandbox/include/asm/scmi_test.h | 20 ++
> configs/sandbox_defconfig | 1 +
> drivers/firmware/scmi/sandbox-scmi_agent.c | 203 ++++++++++++++++++-
> drivers/firmware/scmi/sandbox-scmi_devices.c | 25 ++-
> test/dm/scmi.c | 58 ++++++
> 6 files changed, 327 insertions(+), 3 deletions(-)
>
> diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
> index e95f4631b..14d6983e7 100644
> --- a/arch/sandbox/dts/test.dts
> +++ b/arch/sandbox/dts/test.dts
> @@ -451,6 +451,27 @@
> reg = <0x16>;
> #reset-cells = <1>;
> };
> +
> + protocol at 17 {
> + reg = <0x17>;
> +
> + regulators {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + regul0_scmi0: reg at 0 {
> + reg = <0>;
> + regulator-name = "sandbox-voltd0";
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <3300000>;
> + };
> + regul1_scmi0: reg at 1 {
> + reg = <0x1>;
> + regulator-name = "sandbox-voltd1";
> + regulator-min-microvolt = <1800000>;
> + };
> + };
> + };
> };
>
> sandbox-scmi-agent at 1 {
> @@ -1217,6 +1238,8 @@
> compatible = "sandbox,scmi-devices";
> clocks = <&clk_scmi0 7>, <&clk_scmi0 3>, <&clk_scmi1 1>;
> resets = <&reset_scmi0 3>;
> + regul0-supply = <®ul0_scmi0>;
> + regul1-supply = <®ul1_scmi0>;
> };
>
> pinctrl {
> diff --git a/arch/sandbox/include/asm/scmi_test.h b/arch/sandbox/include/asm/scmi_test.h
> index 3e8b0068f..9b7031531 100644
> --- a/arch/sandbox/include/asm/scmi_test.h
> +++ b/arch/sandbox/include/asm/scmi_test.h
> @@ -31,6 +31,18 @@ struct sandbox_scmi_reset {
> bool asserted;
> };
>
> +/**
> + * struct sandbox_scmi_voltd - Simulated voltage regulator exposed by SCMI
> + * @id: Identifier of the voltage domain used in the SCMI protocol
> + * @enabled: Regulator state: true if on, false if off
> + * @voltage_uv: Regulator current voltage in microvoltd (uV)
> + */
> +struct sandbox_scmi_voltd {
> + uint id;
> + bool enabled;
> + int voltage_uv;
> +};
> +
> /**
> * struct sandbox_scmi_agent - Simulated SCMI service seen by SCMI agent
> * @idx: Identifier for the SCMI agent, its index
> @@ -38,6 +50,8 @@ struct sandbox_scmi_reset {
> * @clk_count: Simulated clocks array size
> * @clk: Simulated reset domains
> * @clk_count: Simulated reset domains array size
> + * @voltd: Simulated voltage domains (regulators)
> + * @voltd_count: Simulated voltage domains array size
> */
> struct sandbox_scmi_agent {
> uint idx;
> @@ -45,6 +59,8 @@ struct sandbox_scmi_agent {
> size_t clk_count;
> struct sandbox_scmi_reset *reset;
> size_t reset_count;
> + struct sandbox_scmi_voltd *voltd;
> + size_t voltd_count;
> };
>
> /**
> @@ -63,12 +79,16 @@ struct sandbox_scmi_service {
> * @clk_count: Number of clock devices probed
> * @reset: Array the reset controller devices
> * @reset_count: Number of reset controller devices probed
> + * @regul: Array regulator devices
> + * @regul_count: Number of regulator devices probed
> */
> struct sandbox_scmi_devices {
> struct clk *clk;
> size_t clk_count;
> struct reset_ctl *reset;
> size_t reset_count;
> + struct udevice **regul;
> + size_t regul_count;
> };
>
> #ifdef CONFIG_SCMI_FIRMWARE
> diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
> index 0c7674efc..790158445 100644
> --- a/configs/sandbox_defconfig
> +++ b/configs/sandbox_defconfig
> @@ -214,6 +214,7 @@ CONFIG_DM_REGULATOR_FIXED=y
> CONFIG_REGULATOR_RK8XX=y
> CONFIG_REGULATOR_S5M8767=y
> CONFIG_DM_REGULATOR_SANDBOX=y
> +CONFIG_DM_REGULATOR_SCMI=y
> CONFIG_REGULATOR_TPS65090=y
> CONFIG_DM_PWM=y
> CONFIG_PWM_SANDBOX=y
> diff --git a/drivers/firmware/scmi/sandbox-scmi_agent.c b/drivers/firmware/scmi/sandbox-scmi_agent.c
> index 35de68c75..3eafc49bd 100644
> --- a/drivers/firmware/scmi/sandbox-scmi_agent.c
> +++ b/drivers/firmware/scmi/sandbox-scmi_agent.c
> @@ -19,14 +19,15 @@
> * SCMI protocols embedded in U-Boot. Currently:
> * - SCMI clock protocol: emulate 2 agents each exposing few clocks
> * - SCMI reset protocol: emulate 1 agents each exposing a reset
> + * - SCMI voltage domain protocol: emulate 1 agent exposing 2 regulators
> *
> - * Agent #0 simulates 2 clocks and 1 reset domain.
> + * Agent #0 simulates 2 clocks, 1 reset domain and 1 voltage domain.
> * See IDs in scmi0_clk[]/scmi0_reset[] and "sandbox-scmi-agent at 0" in test.dts.
> *
> * Agent #1 simulates 1 clock.
> * See IDs in scmi1_clk[] and "sandbox-scmi-agent at 1" in test.dts.
> *
> - * All clocks are default disabled and reset levels down.
> + * All clocks and regulators are default disabled and reset controller down.
> *
> * This Driver exports sandbox_scmi_service_ct() for the test sequence to
> * get the state of the simulated services (clock state, rate, ...) and
> @@ -45,6 +46,11 @@ static struct sandbox_scmi_reset scmi0_reset[] = {
> { .id = 3 },
> };
>
> +static struct sandbox_scmi_voltd scmi0_voltd[] = {
> + { .id = 0, .voltage_uv = 3300000 },
> + { .id = 1, .voltage_uv = 1800000 },
> +};
> +
> static struct sandbox_scmi_clk scmi1_clk[] = {
> { .id = 1, .rate = 44 },
> };
> @@ -81,6 +87,13 @@ static void debug_print_agent_state(struct udevice *dev, char *str)
> agent->reset_count,
> agent->reset_count ? agent->reset[0].asserted : -1,
> agent->reset_count > 1 ? agent->reset[1].asserted : -1);
> + dev_dbg(dev, " scmi%u_voltd (%zu): %u/%d, %u/%d, ...\n",
> + agent->idx,
> + agent->voltd_count,
> + agent->voltd_count ? agent->voltd[0].enabled : -1,
> + agent->voltd_count ? agent->voltd[0].voltage_uv : -1,
> + agent->voltd_count ? agent->voltd[1].enabled : -1,
> + agent->voltd_count ? agent->voltd[1].voltage_uv : -1);
> };
>
> static struct sandbox_scmi_clk *get_scmi_clk_state(uint agent_id, uint clock_id)
> @@ -123,6 +136,20 @@ static struct sandbox_scmi_reset *get_scmi_reset_state(uint agent_id,
> return NULL;
> }
>
> +static struct sandbox_scmi_voltd *get_scmi_voltd_state(uint agent_id,
> + uint domain_id)
> +{
> + size_t n;
> +
> + if (agent_id == 0) {
> + for (n = 0; n < ARRAY_SIZE(scmi0_voltd); n++)
> + if (scmi0_voltd[n].id == domain_id)
> + return scmi0_voltd + n;
> + }
> +
> + return NULL;
> +}
> +
> /*
> * Sandbox SCMI agent ops
> */
> @@ -290,6 +317,160 @@ static int sandbox_scmi_rd_reset(struct udevice *dev, struct scmi_msg *msg)
> return 0;
> }
>
> +static int sandbox_scmi_voltd_attribs(struct udevice *dev, struct scmi_msg *msg)
> +{
> + struct sandbox_scmi_agent *agent = dev_get_priv(dev);
> + struct scmi_voltd_attr_in *in = NULL;
> + struct scmi_voltd_attr_out *out = NULL;
> + struct sandbox_scmi_voltd *voltd_state = NULL;
> +
> + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) ||
> + !msg->out_msg || msg->out_msg_sz < sizeof(*out))
> + return -EINVAL;
> +
> + in = (struct scmi_voltd_attr_in *)msg->in_msg;
> + out = (struct scmi_voltd_attr_out *)msg->out_msg;
> +
> + voltd_state = get_scmi_voltd_state(agent->idx, in->domain_id);
> + if (!voltd_state) {
> + dev_err(dev, "Unexpected domain ID %u\n", in->domain_id);
> +
> + out->status = SCMI_NOT_FOUND;
> + } else {
> + memset(out, 0, sizeof(*out));
> + snprintf(out->name, sizeof(out->name), "regu%u", in->domain_id);
> +
> + out->status = SCMI_SUCCESS;
> + }
> +
> + return 0;
> +}
> +
> +static int sandbox_scmi_voltd_config_set(struct udevice *dev,
> + struct scmi_msg *msg)
> +{
> + struct sandbox_scmi_agent *agent = dev_get_priv(dev);
> + struct scmi_voltd_config_set_in *in = NULL;
> + struct scmi_voltd_config_set_out *out = NULL;
> + struct sandbox_scmi_voltd *voltd_state = NULL;
> +
> + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) ||
> + !msg->out_msg || msg->out_msg_sz < sizeof(*out))
> + return -EINVAL;
> +
> + in = (struct scmi_voltd_config_set_in *)msg->in_msg;
> + out = (struct scmi_voltd_config_set_out *)msg->out_msg;
> +
> + voltd_state = get_scmi_voltd_state(agent->idx, in->domain_id);
> + if (!voltd_state) {
> + dev_err(dev, "Unexpected domain ID %u\n", in->domain_id);
> +
> + out->status = SCMI_NOT_FOUND;
> + } else if (in->config & ~SCMI_VOLTD_CONFIG_MASK) {
> + dev_err(dev, "Invalid config value 0x%x\n", in->config);
> +
> + out->status = SCMI_INVALID_PARAMETERS;
> + } else if (in->config != SCMI_VOLTD_CONFIG_ON &&
> + in->config != SCMI_VOLTD_CONFIG_OFF) {
> + dev_err(dev, "Unexpected custom value 0x%x\n", in->config);
> +
> + out->status = SCMI_INVALID_PARAMETERS;
> + } else {
> + voltd_state->enabled = in->config == SCMI_VOLTD_CONFIG_ON;
> + out->status = SCMI_SUCCESS;
> + }
> +
> + return 0;
> +}
> +
> +static int sandbox_scmi_voltd_config_get(struct udevice *dev,
> + struct scmi_msg *msg)
> +{
> + struct sandbox_scmi_agent *agent = dev_get_priv(dev);
> + struct scmi_voltd_config_get_in *in = NULL;
> + struct scmi_voltd_config_get_out *out = NULL;
> + struct sandbox_scmi_voltd *voltd_state = NULL;
> +
> + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) ||
> + !msg->out_msg || msg->out_msg_sz < sizeof(*out))
> + return -EINVAL;
> +
> + in = (struct scmi_voltd_config_get_in *)msg->in_msg;
> + out = (struct scmi_voltd_config_get_out *)msg->out_msg;
> +
> + voltd_state = get_scmi_voltd_state(agent->idx, in->domain_id);
> + if (!voltd_state) {
> + dev_err(dev, "Unexpected domain ID %u\n", in->domain_id);
> +
> + out->status = SCMI_NOT_FOUND;
> + } else {
> + if (voltd_state->enabled)
> + out->config = SCMI_VOLTD_CONFIG_ON;
> + else
> + out->config = SCMI_VOLTD_CONFIG_OFF;
> +
> + out->status = SCMI_SUCCESS;
> + }
> +
> + return 0;
> +}
> +
> +static int sandbox_scmi_voltd_level_set(struct udevice *dev,
> + struct scmi_msg *msg)
> +{
> + struct sandbox_scmi_agent *agent = dev_get_priv(dev);
> + struct scmi_voltd_level_set_in *in = NULL;
> + struct scmi_voltd_level_set_out *out = NULL;
> + struct sandbox_scmi_voltd *voltd_state = NULL;
> +
> + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) ||
> + !msg->out_msg || msg->out_msg_sz < sizeof(*out))
> + return -EINVAL;
> +
> + in = (struct scmi_voltd_level_set_in *)msg->in_msg;
> + out = (struct scmi_voltd_level_set_out *)msg->out_msg;
> +
> + voltd_state = get_scmi_voltd_state(agent->idx, in->domain_id);
> + if (!voltd_state) {
> + dev_err(dev, "Unexpected domain ID %u\n", in->domain_id);
> +
> + out->status = SCMI_NOT_FOUND;
> + } else {
> + voltd_state->voltage_uv = in->voltage_level;
> + out->status = SCMI_SUCCESS;
> + }
> +
> + return 0;
> +}
> +
> +static int sandbox_scmi_voltd_level_get(struct udevice *dev,
> + struct scmi_msg *msg)
> +{
> + struct sandbox_scmi_agent *agent = dev_get_priv(dev);
> + struct scmi_voltd_level_get_in *in = NULL;
> + struct scmi_voltd_level_get_out *out = NULL;
> + struct sandbox_scmi_voltd *voltd_state = NULL;
> +
> + if (!msg->in_msg || msg->in_msg_sz < sizeof(*in) ||
> + !msg->out_msg || msg->out_msg_sz < sizeof(*out))
> + return -EINVAL;
> +
> + in = (struct scmi_voltd_level_get_in *)msg->in_msg;
> + out = (struct scmi_voltd_level_get_out *)msg->out_msg;
> +
> + voltd_state = get_scmi_voltd_state(agent->idx, in->domain_id);
> + if (!voltd_state) {
> + dev_err(dev, "Unexpected domain ID %u\n", in->domain_id);
> +
> + out->status = SCMI_NOT_FOUND;
> + } else {
> + out->voltage_level = voltd_state->voltage_uv;
> + out->status = SCMI_SUCCESS;
> + }
> +
> + return 0;
> +}
> +
> static int sandbox_scmi_test_process_msg(struct udevice *dev,
> struct scmi_msg *msg)
> {
> @@ -316,6 +497,22 @@ static int sandbox_scmi_test_process_msg(struct udevice *dev,
> break;
> }
> break;
> + case SCMI_PROTOCOL_ID_VOLTAGE_DOMAIN:
> + switch (msg->message_id) {
> + case SCMI_VOLTAGE_DOMAIN_ATTRIBUTES:
> + return sandbox_scmi_voltd_attribs(dev, msg);
> + case SCMI_VOLTAGE_DOMAIN_CONFIG_SET:
> + return sandbox_scmi_voltd_config_set(dev, msg);
> + case SCMI_VOLTAGE_DOMAIN_CONFIG_GET:
> + return sandbox_scmi_voltd_config_get(dev, msg);
> + case SCMI_VOLTAGE_DOMAIN_LEVEL_SET:
> + return sandbox_scmi_voltd_level_set(dev, msg);
> + case SCMI_VOLTAGE_DOMAIN_LEVEL_GET:
> + return sandbox_scmi_voltd_level_get(dev, msg);
> + default:
> + break;
> + }
> + break;
> case SCMI_PROTOCOL_ID_BASE:
> case SCMI_PROTOCOL_ID_POWER_DOMAIN:
> case SCMI_PROTOCOL_ID_SYSTEM:
> @@ -367,6 +564,8 @@ static int sandbox_scmi_test_probe(struct udevice *dev)
> .clk_count = ARRAY_SIZE(scmi0_clk),
> .reset = scmi0_reset,
> .reset_count = ARRAY_SIZE(scmi0_reset),
> + .voltd = scmi0_voltd,
> + .voltd_count = ARRAY_SIZE(scmi0_voltd),
> };
> break;
> case '1':
> diff --git a/drivers/firmware/scmi/sandbox-scmi_devices.c b/drivers/firmware/scmi/sandbox-scmi_devices.c
> index 1a6fafbf5..aab5782fd 100644
> --- a/drivers/firmware/scmi/sandbox-scmi_devices.c
> +++ b/drivers/firmware/scmi/sandbox-scmi_devices.c
> @@ -1,16 +1,18 @@
> // SPDX-License-Identifier: GPL-2.0
> /*
> - * Copyright (C) 2020, Linaro Limited
> + * Copyright (C) 2020-2021, Linaro Limited
> */
>
> #include <common.h>
> #include <clk.h>
> #include <dm.h>
> +#include <log.h>
> #include <malloc.h>
> #include <reset.h>
> #include <asm/io.h>
> #include <asm/scmi_test.h>
> #include <dm/device_compat.h>
> +#include <power/regulator.h>
>
> /*
> * Simulate to some extent a SCMI exchange.
> @@ -21,16 +23,19 @@
>
> #define SCMI_TEST_DEVICES_CLK_COUNT 3
> #define SCMI_TEST_DEVICES_RD_COUNT 1
> +#define SCMI_TEST_DEVICES_VOLTD_COUNT 2
>
> /*
> * struct sandbox_scmi_device_priv - Storage for device handles used by test
> * @clk: Array of clock instances used by tests
> * @reset_clt: Array of the reset controller instances used by tests
> + * @regulators: Array of regulator device references used by the tests
> * @devices: Resources exposed by sandbox_scmi_devices_ctx()
> */
> struct sandbox_scmi_device_priv {
> struct clk clk[SCMI_TEST_DEVICES_CLK_COUNT];
> struct reset_ctl reset_ctl[SCMI_TEST_DEVICES_RD_COUNT];
> + struct udevice *regulators[SCMI_TEST_DEVICES_VOLTD_COUNT];
> struct sandbox_scmi_devices devices;
> };
>
> @@ -74,6 +79,8 @@ static int sandbox_scmi_devices_probe(struct udevice *dev)
> .clk_count = SCMI_TEST_DEVICES_CLK_COUNT,
> .reset = priv->reset_ctl,
> .reset_count = SCMI_TEST_DEVICES_RD_COUNT,
> + .regul = priv->regulators,
> + .regul_count = SCMI_TEST_DEVICES_VOLTD_COUNT,
> };
>
> for (n = 0; n < SCMI_TEST_DEVICES_CLK_COUNT; n++) {
> @@ -92,8 +99,24 @@ static int sandbox_scmi_devices_probe(struct udevice *dev)
> }
> }
>
> + for (n = 0; n < SCMI_TEST_DEVICES_VOLTD_COUNT; n++) {
> + char name[32];
> +
> + ret = snprintf(name, sizeof(name), "regul%zu-supply", n);
> + assert(ret >= 0 && ret < sizeof(name));
> +
> + ret = device_get_supply_regulator(dev, name,
> + priv->devices.regul + n);
> + if (ret) {
> + dev_err(dev, "%s: Failed on voltd %zu\n", __func__, n);
> + goto err_regul;
> + }
> + }
> +
> return 0;
>
> +err_regul:
> + n = SCMI_TEST_DEVICES_RD_COUNT;
> err_reset:
> for (; n > 0; n--)
> reset_free(priv->devices.reset + n - 1);
> diff --git a/test/dm/scmi.c b/test/dm/scmi.c
> index be60b44b3..792410338 100644
> --- a/test/dm/scmi.c
> +++ b/test/dm/scmi.c
> @@ -20,6 +20,7 @@
> #include <dm/device-internal.h>
> #include <dm/test.h>
> #include <linux/kconfig.h>
> +#include <power/regulator.h>
> #include <test/ut.h>
>
> static int ut_assert_scmi_state_preprobe(struct unit_test_state *uts)
> @@ -47,6 +48,7 @@ static int ut_assert_scmi_state_postprobe(struct unit_test_state *uts,
> ut_asserteq(3, scmi_devices->clk_count);
> if (IS_ENABLED(CONFIG_RESET_SCMI))
> ut_asserteq(1, scmi_devices->reset_count);
> + ut_asserteq(2, scmi_devices->regul_count);
>
> /* State of the simulated SCMI server exposed */
> scmi_ctx = sandbox_scmi_service_ctx();
> @@ -58,6 +60,8 @@ static int ut_assert_scmi_state_postprobe(struct unit_test_state *uts,
> ut_assertnonnull(scmi_ctx->agent[0]->clk);
> ut_asserteq(1, scmi_ctx->agent[0]->reset_count);
> ut_assertnonnull(scmi_ctx->agent[0]->reset);
> + ut_asserteq(2, scmi_ctx->agent[0]->voltd_count);
> + ut_assertnonnull(scmi_ctx->agent[0]->voltd);
>
> ut_assertnonnull(scmi_ctx->agent[1]);
> ut_assertnonnull(scmi_ctx->agent[1]->clk);
> @@ -201,3 +205,57 @@ static int dm_test_scmi_resets(struct unit_test_state *uts)
> }
>
> DM_TEST(dm_test_scmi_resets, UT_TESTF_SCAN_FDT);
> +
> +static int dm_test_scmi_voltage_domains(struct unit_test_state *uts)
> +{
> + struct sandbox_scmi_devices *scmi_devices;
> + struct sandbox_scmi_service *scmi_ctx;
> + struct sandbox_scmi_voltd *sandbox_voltd;
> + struct dm_regulator_uclass_plat *uc_pdata;
> + struct udevice *dev;
> + struct udevice *regul_dev;
> +
> + ut_assertok(load_sandbox_scmi_test_devices(uts, &dev));
> +
> + scmi_devices = sandbox_scmi_devices_ctx(dev);
> + scmi_ctx = sandbox_scmi_service_ctx();
> +
> + /* Set/Get an SCMI voltage domain level */
> + sandbox_voltd = &scmi_ctx->agent[0]->voltd[0];
> + regul_dev = scmi_devices->regul[0];
> + ut_assert(regul_dev);
> +
> + uc_pdata = dev_get_uclass_plat(regul_dev);
> + ut_assert(uc_pdata);
> +
> + ut_assertok(regulator_set_value(regul_dev, uc_pdata->min_uV));
> + ut_asserteq(sandbox_voltd->voltage_uv, uc_pdata->min_uV);
> +
> + ut_assert(regulator_get_value(regul_dev) == uc_pdata->min_uV);
> +
> + ut_assertok(regulator_set_value(regul_dev, uc_pdata->max_uV));
> + ut_asserteq(sandbox_voltd->voltage_uv, uc_pdata->max_uV);
> +
> + ut_assert(regulator_get_value(regul_dev) == uc_pdata->max_uV);
> +
> + /* Enable/disable SCMI voltage domains */
> + ut_assertok(regulator_set_enable(scmi_devices->regul[0], false));
> + ut_assertok(regulator_set_enable(scmi_devices->regul[1], false));
> + ut_assert(!scmi_ctx->agent[0]->voltd[0].enabled);
> + ut_assert(!scmi_ctx->agent[0]->voltd[1].enabled);
> +
> + ut_assertok(regulator_set_enable(scmi_devices->regul[0], true));
> + ut_assert(scmi_ctx->agent[0]->voltd[0].enabled);
> + ut_assert(!scmi_ctx->agent[0]->voltd[1].enabled);
> +
> + ut_assertok(regulator_set_enable(scmi_devices->regul[1], true));
> + ut_assert(scmi_ctx->agent[0]->voltd[0].enabled);
> + ut_assert(scmi_ctx->agent[0]->voltd[1].enabled);
> +
> + ut_assertok(regulator_set_enable(scmi_devices->regul[0], false));
> + ut_assert(!scmi_ctx->agent[0]->voltd[0].enabled);
> + ut_assert(scmi_ctx->agent[0]->voltd[1].enabled);
> +
> + return release_sandbox_scmi_test_devices(uts, dev);
> +}
> +DM_TEST(dm_test_scmi_voltage_domains, UT_TESTF_SCAN_FDT);
>
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