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-rw-r--r--Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml2
-rw-r--r--drivers/clk/qcom/gdsc.c41
-rw-r--r--drivers/clk/qcom/gdsc.h1
-rw-r--r--drivers/clk/qcom/videocc-sc7280.c2
-rw-r--r--drivers/clk/qcom/videocc-sm8250.c4
-rw-r--r--drivers/media/platform/qcom/venus/pm_helpers.c39
-rw-r--r--drivers/pmdomain/amlogic/meson-ee-pwrc.c1
-rw-r--r--drivers/pmdomain/amlogic/meson-gx-pwrc-vpu.c1
-rw-r--r--drivers/pmdomain/amlogic/meson-secure-pwrc.c65
-rw-r--r--drivers/pmdomain/arm/scmi_pm_domain.c1
-rw-r--r--drivers/pmdomain/core.c80
-rw-r--r--drivers/pmdomain/renesas/rmobile-sysc.c8
-rw-r--r--include/dt-bindings/power/amlogic,a4-pwrc.h21
-rw-r--r--include/dt-bindings/power/amlogic,a5-pwrc.h21
-rw-r--r--include/linux/pm_domain.h17
15 files changed, 271 insertions, 33 deletions
diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
index dab3d92bc273..15d74138baa3 100644
--- a/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
+++ b/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
@@ -20,6 +20,8 @@ properties:
enum:
- amlogic,meson-a1-pwrc
- amlogic,meson-s4-pwrc
+ - amlogic,a4-pwrc
+ - amlogic,a5-pwrc
- amlogic,c3-pwrc
- amlogic,t7-pwrc
diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c
index df9618ab7eea..fa5fe4c2a2ee 100644
--- a/drivers/clk/qcom/gdsc.c
+++ b/drivers/clk/qcom/gdsc.c
@@ -363,6 +363,43 @@ static int gdsc_disable(struct generic_pm_domain *domain)
return 0;
}
+static int gdsc_set_hwmode(struct generic_pm_domain *domain, struct device *dev, bool mode)
+{
+ struct gdsc *sc = domain_to_gdsc(domain);
+ int ret;
+
+ ret = gdsc_hwctrl(sc, mode);
+ if (ret)
+ return ret;
+
+ /*
+ * Wait for the GDSC to go through a power down and
+ * up cycle. If we poll the status register before the
+ * power cycle is finished we might read incorrect values.
+ */
+ udelay(1);
+
+ /*
+ * When the GDSC is switched to HW mode, HW can disable the GDSC.
+ * When the GDSC is switched back to SW mode, the GDSC will be enabled
+ * again, hence we need to poll for GDSC to complete the power up.
+ */
+ if (!mode)
+ return gdsc_poll_status(sc, GDSC_ON);
+
+ return 0;
+}
+
+static bool gdsc_get_hwmode(struct generic_pm_domain *domain, struct device *dev)
+{
+ struct gdsc *sc = domain_to_gdsc(domain);
+ u32 val;
+
+ regmap_read(sc->regmap, sc->gdscr, &val);
+
+ return !!(val & HW_CONTROL_MASK);
+}
+
static int gdsc_init(struct gdsc *sc)
{
u32 mask, val;
@@ -451,6 +488,10 @@ static int gdsc_init(struct gdsc *sc)
sc->pd.power_off = gdsc_disable;
if (!sc->pd.power_on)
sc->pd.power_on = gdsc_enable;
+ if (sc->flags & HW_CTRL_TRIGGER) {
+ sc->pd.set_hwmode_dev = gdsc_set_hwmode;
+ sc->pd.get_hwmode_dev = gdsc_get_hwmode;
+ }
ret = pm_genpd_init(&sc->pd, NULL, !on);
if (ret)
diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h
index 803512688336..1e2779b823d1 100644
--- a/drivers/clk/qcom/gdsc.h
+++ b/drivers/clk/qcom/gdsc.h
@@ -67,6 +67,7 @@ struct gdsc {
#define ALWAYS_ON BIT(6)
#define RETAIN_FF_ENABLE BIT(7)
#define NO_RET_PERIPH BIT(8)
+#define HW_CTRL_TRIGGER BIT(9)
struct reset_controller_dev *rcdev;
unsigned int *resets;
unsigned int reset_count;
diff --git a/drivers/clk/qcom/videocc-sc7280.c b/drivers/clk/qcom/videocc-sc7280.c
index cdd59c6f60df..d55613a47ff7 100644
--- a/drivers/clk/qcom/videocc-sc7280.c
+++ b/drivers/clk/qcom/videocc-sc7280.c
@@ -236,7 +236,7 @@ static struct gdsc mvs0_gdsc = {
.name = "mvs0_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
- .flags = HW_CTRL | RETAIN_FF_ENABLE,
+ .flags = HW_CTRL_TRIGGER | RETAIN_FF_ENABLE,
};
static struct gdsc mvsc_gdsc = {
diff --git a/drivers/clk/qcom/videocc-sm8250.c b/drivers/clk/qcom/videocc-sm8250.c
index 016b596e03b3..cac10ccd362e 100644
--- a/drivers/clk/qcom/videocc-sm8250.c
+++ b/drivers/clk/qcom/videocc-sm8250.c
@@ -293,7 +293,7 @@ static struct gdsc mvs0_gdsc = {
.pd = {
.name = "mvs0_gdsc",
},
- .flags = HW_CTRL,
+ .flags = HW_CTRL_TRIGGER,
.pwrsts = PWRSTS_OFF_ON,
};
@@ -302,7 +302,7 @@ static struct gdsc mvs1_gdsc = {
.pd = {
.name = "mvs1_gdsc",
},
- .flags = HW_CTRL,
+ .flags = HW_CTRL_TRIGGER,
.pwrsts = PWRSTS_OFF_ON,
};
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 502822059498..4ce76ce6dd4d 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -412,10 +412,9 @@ static int vcodec_control_v4(struct venus_core *core, u32 coreid, bool enable)
u32 val;
int ret;
- if (IS_V6(core)) {
- ctrl = core->wrapper_base + WRAPPER_CORE_POWER_CONTROL_V6;
- stat = core->wrapper_base + WRAPPER_CORE_POWER_STATUS_V6;
- } else if (coreid == VIDC_CORE_ID_1) {
+ if (IS_V6(core))
+ return dev_pm_genpd_set_hwmode(core->pmdomains->pd_devs[coreid], !enable);
+ else if (coreid == VIDC_CORE_ID_1) {
ctrl = core->wrapper_base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL;
stat = core->wrapper_base + WRAPPER_VCODEC0_MMCC_POWER_STATUS;
} else {
@@ -451,9 +450,11 @@ static int poweroff_coreid(struct venus_core *core, unsigned int coreid_mask)
vcodec_clks_disable(core, core->vcodec0_clks);
- ret = vcodec_control_v4(core, VIDC_CORE_ID_1, false);
- if (ret)
- return ret;
+ if (!IS_V6(core)) {
+ ret = vcodec_control_v4(core, VIDC_CORE_ID_1, false);
+ if (ret)
+ return ret;
+ }
ret = pm_runtime_put_sync(core->pmdomains->pd_devs[1]);
if (ret < 0)
@@ -467,9 +468,11 @@ static int poweroff_coreid(struct venus_core *core, unsigned int coreid_mask)
vcodec_clks_disable(core, core->vcodec1_clks);
- ret = vcodec_control_v4(core, VIDC_CORE_ID_2, false);
- if (ret)
- return ret;
+ if (!IS_V6(core)) {
+ ret = vcodec_control_v4(core, VIDC_CORE_ID_2, false);
+ if (ret)
+ return ret;
+ }
ret = pm_runtime_put_sync(core->pmdomains->pd_devs[2]);
if (ret < 0)
@@ -488,9 +491,11 @@ static int poweron_coreid(struct venus_core *core, unsigned int coreid_mask)
if (ret < 0)
return ret;
- ret = vcodec_control_v4(core, VIDC_CORE_ID_1, true);
- if (ret)
- return ret;
+ if (!IS_V6(core)) {
+ ret = vcodec_control_v4(core, VIDC_CORE_ID_1, true);
+ if (ret)
+ return ret;
+ }
ret = vcodec_clks_enable(core, core->vcodec0_clks);
if (ret)
@@ -506,9 +511,11 @@ static int poweron_coreid(struct venus_core *core, unsigned int coreid_mask)
if (ret < 0)
return ret;
- ret = vcodec_control_v4(core, VIDC_CORE_ID_2, true);
- if (ret)
- return ret;
+ if (!IS_V6(core)) {
+ ret = vcodec_control_v4(core, VIDC_CORE_ID_2, true);
+ if (ret)
+ return ret;
+ }
ret = vcodec_clks_enable(core, core->vcodec1_clks);
if (ret)
diff --git a/drivers/pmdomain/amlogic/meson-ee-pwrc.c b/drivers/pmdomain/amlogic/meson-ee-pwrc.c
index fcec6eb610e4..fbb2b4103930 100644
--- a/drivers/pmdomain/amlogic/meson-ee-pwrc.c
+++ b/drivers/pmdomain/amlogic/meson-ee-pwrc.c
@@ -648,4 +648,5 @@ static struct platform_driver meson_ee_pwrc_driver = {
},
};
module_platform_driver(meson_ee_pwrc_driver);
+MODULE_DESCRIPTION("Amlogic Meson Everything-Else Power Domains driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/pmdomain/amlogic/meson-gx-pwrc-vpu.c b/drivers/pmdomain/amlogic/meson-gx-pwrc-vpu.c
index 33df520eab95..6028e91664a4 100644
--- a/drivers/pmdomain/amlogic/meson-gx-pwrc-vpu.c
+++ b/drivers/pmdomain/amlogic/meson-gx-pwrc-vpu.c
@@ -376,4 +376,5 @@ static struct platform_driver meson_gx_pwrc_vpu_driver = {
},
};
module_platform_driver(meson_gx_pwrc_vpu_driver);
+MODULE_DESCRIPTION("Amlogic Meson GX Power Domains driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
index 4d5bda0d60fc..42ce41a2fe3a 100644
--- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
+++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
@@ -14,6 +14,8 @@
#include <dt-bindings/power/amlogic,c3-pwrc.h>
#include <dt-bindings/power/meson-s4-power.h>
#include <dt-bindings/power/amlogic,t7-pwrc.h>
+#include <dt-bindings/power/amlogic,a4-pwrc.h>
+#include <dt-bindings/power/amlogic,a5-pwrc.h>
#include <linux/arm-smccc.h>
#include <linux/firmware/meson/meson_sm.h>
#include <linux/module.h>
@@ -45,7 +47,7 @@ struct meson_secure_pwrc_domain_desc {
struct meson_secure_pwrc_domain_data {
unsigned int count;
- struct meson_secure_pwrc_domain_desc *domains;
+ const struct meson_secure_pwrc_domain_desc *domains;
};
static bool pwrc_secure_is_off(struct meson_secure_pwrc_domain *pwrc_domain)
@@ -109,7 +111,7 @@ static int meson_secure_pwrc_on(struct generic_pm_domain *domain)
.parent = __parent, \
}
-static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
+static const struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
SEC_PD(DSPA, 0),
SEC_PD(DSPB, 0),
/* UART should keep working in ATF after suspend and before resume */
@@ -136,7 +138,41 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
SEC_PD(RSA, 0),
};
-static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
+static const struct meson_secure_pwrc_domain_desc a4_pwrc_domains[] = {
+ SEC_PD(A4_AUDIO, 0),
+ SEC_PD(A4_SDIOA, 0),
+ SEC_PD(A4_EMMC, 0),
+ SEC_PD(A4_USB_COMB, 0),
+ SEC_PD(A4_ETH, 0),
+ SEC_PD(A4_VOUT, 0),
+ SEC_PD(A4_AUDIO_PDM, 0),
+ /* DMC is for DDR PHY ana/dig and DMC, and should be always on */
+ SEC_PD(A4_DMC, GENPD_FLAG_ALWAYS_ON),
+ /* WRAP is secure_top, a lot of modules are included, and should be always on */
+ SEC_PD(A4_SYS_WRAP, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(A4_AO_I2C_S, 0),
+ SEC_PD(A4_AO_UART, 0),
+ /* IR is wake up trigger source, and should be always on */
+ SEC_PD(A4_AO_IR, GENPD_FLAG_ALWAYS_ON),
+};
+
+static const struct meson_secure_pwrc_domain_desc a5_pwrc_domains[] = {
+ SEC_PD(A5_NNA, 0),
+ SEC_PD(A5_AUDIO, 0),
+ SEC_PD(A5_SDIOA, 0),
+ SEC_PD(A5_EMMC, 0),
+ SEC_PD(A5_USB_COMB, 0),
+ SEC_PD(A5_ETH, 0),
+ SEC_PD(A5_RSA, 0),
+ SEC_PD(A5_AUDIO_PDM, 0),
+ /* DMC is for DDR PHY ana/dig and DMC, and should be always on */
+ SEC_PD(A5_DMC, GENPD_FLAG_ALWAYS_ON),
+ /* WRAP is secure_top, a lot of modules are included, and should be always on */
+ SEC_PD(A5_SYS_WRAP, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(A5_DSPA, 0),
+};
+
+static const struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
SEC_PD(C3_NNA, 0),
SEC_PD(C3_AUDIO, 0),
SEC_PD(C3_SDIOA, 0),
@@ -153,7 +189,7 @@ static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
SEC_PD(C3_VCODEC, 0),
};
-static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
+static const struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
SEC_PD(S4_DOS_HEVC, 0),
SEC_PD(S4_DOS_VDEC, 0),
SEC_PD(S4_VPU_HDMI, 0),
@@ -165,7 +201,7 @@ static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
SEC_PD(S4_AUDIO, 0),
};
-static struct meson_secure_pwrc_domain_desc t7_pwrc_domains[] = {
+static const struct meson_secure_pwrc_domain_desc t7_pwrc_domains[] = {
SEC_PD(T7_DSPA, 0),
SEC_PD(T7_DSPB, 0),
TOP_PD(T7_DOS_HCODEC, 0, PWRC_T7_NIC3_ID),
@@ -311,6 +347,16 @@ static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = {
.count = ARRAY_SIZE(a1_pwrc_domains),
};
+static struct meson_secure_pwrc_domain_data amlogic_secure_a4_pwrc_data = {
+ .domains = a4_pwrc_domains,
+ .count = ARRAY_SIZE(a4_pwrc_domains),
+};
+
+static struct meson_secure_pwrc_domain_data amlogic_secure_a5_pwrc_data = {
+ .domains = a5_pwrc_domains,
+ .count = ARRAY_SIZE(a5_pwrc_domains),
+};
+
static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
.domains = c3_pwrc_domains,
.count = ARRAY_SIZE(c3_pwrc_domains),
@@ -332,6 +378,14 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = {
.data = &meson_secure_a1_pwrc_data,
},
{
+ .compatible = "amlogic,a4-pwrc",
+ .data = &amlogic_secure_a4_pwrc_data,
+ },
+ {
+ .compatible = "amlogic,a5-pwrc",
+ .data = &amlogic_secure_a5_pwrc_data,
+ },
+ {
.compatible = "amlogic,c3-pwrc",
.data = &amlogic_secure_c3_pwrc_data,
},
@@ -355,4 +409,5 @@ static struct platform_driver meson_secure_pwrc_driver = {
},
};
module_platform_driver(meson_secure_pwrc_driver);
+MODULE_DESCRIPTION("Amlogic Meson Secure Power Domains driver");
MODULE_LICENSE("Dual MIT/GPL");
diff --git a/drivers/pmdomain/arm/scmi_pm_domain.c b/drivers/pmdomain/arm/scmi_pm_domain.c
index 0e05a79de82d..a7784a8bb5db 100644
--- a/drivers/pmdomain/arm/scmi_pm_domain.c
+++ b/drivers/pmdomain/arm/scmi_pm_domain.c
@@ -102,6 +102,7 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev)
scmi_pd->genpd.name = scmi_pd->name;
scmi_pd->genpd.power_off = scmi_pd_power_off;
scmi_pd->genpd.power_on = scmi_pd_power_on;
+ scmi_pd->genpd.flags = GENPD_FLAG_ACTIVE_WAKEUP;
pm_genpd_init(&scmi_pd->genpd, NULL,
state == SCMI_POWER_STATE_GENERIC_OFF);
diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c
index 623d15b68707..7a61aa88c061 100644
--- a/drivers/pmdomain/core.c
+++ b/drivers/pmdomain/core.c
@@ -588,6 +588,68 @@ void dev_pm_genpd_synced_poweroff(struct device *dev)
}
EXPORT_SYMBOL_GPL(dev_pm_genpd_synced_poweroff);
+/**
+ * dev_pm_genpd_set_hwmode() - Set the HW mode for the device and its PM domain.
+ *
+ * @dev: Device for which the HW-mode should be changed.
+ * @enable: Value to set or unset the HW-mode.
+ *
+ * Some PM domains can rely on HW signals to control the power for a device. To
+ * allow a consumer driver to switch the behaviour for its device in runtime,
+ * which may be beneficial from a latency or energy point of view, this function
+ * may be called.
+ *
+ * It is assumed that the users guarantee that the genpd wouldn't be detached
+ * while this routine is getting called.
+ *
+ * Return: Returns 0 on success and negative error values on failures.
+ */
+int dev_pm_genpd_set_hwmode(struct device *dev, bool enable)
+{
+ struct generic_pm_domain *genpd;
+ int ret = 0;
+
+ genpd = dev_to_genpd_safe(dev);
+ if (!genpd)
+ return -ENODEV;
+
+ if (!genpd->set_hwmode_dev)
+ return -EOPNOTSUPP;
+
+ genpd_lock(genpd);
+
+ if (dev_gpd_data(dev)->hw_mode == enable)
+ goto out;
+
+ ret = genpd->set_hwmode_dev(genpd, dev, enable);
+ if (!ret)
+ dev_gpd_data(dev)->hw_mode = enable;
+
+out:
+ genpd_unlock(genpd);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(dev_pm_genpd_set_hwmode);
+
+/**
+ * dev_pm_genpd_get_hwmode() - Get the HW mode setting for the device.
+ *
+ * @dev: Device for which the current HW-mode setting should be fetched.
+ *
+ * This helper function allows consumer drivers to fetch the current HW mode
+ * setting of its the device.
+ *
+ * It is assumed that the users guarantee that the genpd wouldn't be detached
+ * while this routine is getting called.
+ *
+ * Return: Returns the HW mode setting of device from SW cached hw_mode.
+ */
+bool dev_pm_genpd_get_hwmode(struct device *dev)
+{
+ return dev_gpd_data(dev)->hw_mode;
+}
+EXPORT_SYMBOL_GPL(dev_pm_genpd_get_hwmode);
+
static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed)
{
unsigned int state_idx = genpd->state_idx;
@@ -1687,6 +1749,8 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev,
gpd_data->cpu = genpd_get_cpu(genpd, base_dev);
+ gpd_data->hw_mode = genpd->get_hwmode_dev ? genpd->get_hwmode_dev(genpd, dev) : false;
+
ret = genpd->attach_dev ? genpd->attach_dev(genpd, dev) : 0;
if (ret)
goto out;
@@ -2079,7 +2143,7 @@ static void genpd_free_data(struct generic_pm_domain *genpd)
static void genpd_lock_init(struct generic_pm_domain *genpd)
{
- if (genpd->flags & GENPD_FLAG_IRQ_SAFE) {
+ if (genpd_is_irq_safe(genpd)) {
spin_lock_init(&genpd->slock);
genpd->lock_ops = &genpd_spin_ops;
} else {
@@ -3120,6 +3184,15 @@ static void rtpm_status_str(struct seq_file *s, struct device *dev)
seq_printf(s, "%-25s ", p);
}
+static void mode_status_str(struct seq_file *s, struct device *dev)
+{
+ struct generic_pm_domain_data *gpd_data;
+
+ gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
+
+ seq_printf(s, "%20s", gpd_data->hw_mode ? "HW" : "SW");
+}
+
static void perf_status_str(struct seq_file *s, struct device *dev)
{
struct generic_pm_domain_data *gpd_data;
@@ -3178,6 +3251,7 @@ static int genpd_summary_one(struct seq_file *s,
seq_printf(s, "\n %-50s ", kobj_path);
rtpm_status_str(s, pm_data->dev);
perf_status_str(s, pm_data->dev);
+ mode_status_str(s, pm_data->dev);
kfree(kobj_path);
}
@@ -3194,8 +3268,8 @@ static int summary_show(struct seq_file *s, void *data)
int ret = 0;
seq_puts(s, "domain status children performance\n");
- seq_puts(s, " /device runtime status\n");
- seq_puts(s, "----------------------------------------------------------------------------------------------\n");
+ seq_puts(s, " /device runtime status managed by\n");
+ seq_puts(s, "------------------------------------------------------------------------------------------------------------\n");
ret = mutex_lock_interruptible(&gpd_list_lock);
if (ret)
diff --git a/drivers/pmdomain/renesas/rmobile-sysc.c b/drivers/pmdomain/renesas/rmobile-sysc.c
index 0b77f37787d5..5848e79aa438 100644
--- a/drivers/pmdomain/renesas/rmobile-sysc.c
+++ b/drivers/pmdomain/renesas/rmobile-sysc.c
@@ -268,9 +268,7 @@ static int __init rmobile_add_pm_domains(void __iomem *base,
struct device_node *parent,
struct generic_pm_domain *genpd_parent)
{
- struct device_node *np;
-
- for_each_child_of_node(parent, np) {
+ for_each_child_of_node_scoped(parent, np) {
struct rmobile_pm_domain *pd;
u32 idx = ~0;
@@ -279,10 +277,8 @@ static int __init rmobile_add_pm_domains(void __iomem *base,
}
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
- if (!pd) {
- of_node_put(np);
+ if (!pd)
return -ENOMEM;
- }
pd->genpd.name = np->name;
pd->base = base;
diff --git a/include/dt-bindings/power/amlogic,a4-pwrc.h b/include/dt-bindings/power/amlogic,a4-pwrc.h
new file mode 100644
index 000000000000..bd2f9c558d22
--- /dev/null
+++ b/include/dt-bindings/power/amlogic,a4-pwrc.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright (C) 2024 Amlogic, Inc. All rights reserved
+ */
+#ifndef _DT_BINDINGS_AMLOGIC_A4_POWER_H
+#define _DT_BINDINGS_AMLOGIC_A4_POWER_H
+
+#define PWRC_A4_AUDIO_ID 0
+#define PWRC_A4_SDIOA_ID 1
+#define PWRC_A4_EMMC_ID 2
+#define PWRC_A4_USB_COMB_ID 3
+#define PWRC_A4_ETH_ID 4
+#define PWRC_A4_VOUT_ID 5
+#define PWRC_A4_AUDIO_PDM_ID 6
+#define PWRC_A4_DMC_ID 7
+#define PWRC_A4_SYS_WRAP_ID 8
+#define PWRC_A4_AO_I2C_S_ID 9
+#define PWRC_A4_AO_UART_ID 10
+#define PWRC_A4_AO_IR_ID 11
+
+#endif
diff --git a/include/dt-bindings/power/amlogic,a5-pwrc.h b/include/dt-bindings/power/amlogic,a5-pwrc.h
new file mode 100644
index 000000000000..3a6f53eb959f
--- /dev/null
+++ b/include/dt-bindings/power/amlogic,a5-pwrc.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright (C) 2024 Amlogic, Inc. All rights reserved
+ */
+
+#ifndef _DT_BINDINGS_AMLOGIC_A5_POWER_H
+#define _DT_BINDINGS_AMLOGIC_A5_POWER_H
+
+#define PWRC_A5_NNA_ID 0
+#define PWRC_A5_AUDIO_ID 1
+#define PWRC_A5_SDIOA_ID 2
+#define PWRC_A5_EMMC_ID 3
+#define PWRC_A5_USB_COMB_ID 4
+#define PWRC_A5_ETH_ID 5
+#define PWRC_A5_RSA_ID 6
+#define PWRC_A5_AUDIO_PDM_ID 7
+#define PWRC_A5_DMC_ID 8
+#define PWRC_A5_SYS_WRAP_ID 9
+#define PWRC_A5_DSPA_ID 10
+
+#endif
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index f24546a3d3db..015751b64746 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -175,6 +175,10 @@ struct generic_pm_domain {
int (*set_performance_state)(struct generic_pm_domain *genpd,
unsigned int state);
struct gpd_dev_ops dev_ops;
+ int (*set_hwmode_dev)(struct generic_pm_domain *domain,
+ struct device *dev, bool enable);
+ bool (*get_hwmode_dev)(struct generic_pm_domain *domain,
+ struct device *dev);
int (*attach_dev)(struct generic_pm_domain *domain,
struct device *dev);
void (*detach_dev)(struct generic_pm_domain *domain,
@@ -237,6 +241,7 @@ struct generic_pm_domain_data {
unsigned int performance_state;
unsigned int default_pstate;
unsigned int rpm_pstate;
+ bool hw_mode;
void *data;
};
@@ -267,6 +272,8 @@ int dev_pm_genpd_remove_notifier(struct device *dev);
void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next);
ktime_t dev_pm_genpd_get_next_hrtimer(struct device *dev);
void dev_pm_genpd_synced_poweroff(struct device *dev);
+int dev_pm_genpd_set_hwmode(struct device *dev, bool enable);
+bool dev_pm_genpd_get_hwmode(struct device *dev);
extern struct dev_power_governor simple_qos_governor;
extern struct dev_power_governor pm_domain_always_on_gov;
@@ -340,6 +347,16 @@ static inline ktime_t dev_pm_genpd_get_next_hrtimer(struct device *dev)
static inline void dev_pm_genpd_synced_poweroff(struct device *dev)
{ }
+static inline int dev_pm_genpd_set_hwmode(struct device *dev, bool enable)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline bool dev_pm_genpd_get_hwmode(struct device *dev)
+{
+ return false;
+}
+
#define simple_qos_governor (*(struct dev_power_governor *)(NULL))
#define pm_domain_always_on_gov (*(struct dev_power_governor *)(NULL))
#endif