Merge tag 'pmdomain-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:
"pmdomain core:
- Add residency reflection for domain-idlestates to debugfs
- Add genpd helper to correct the usage/rejected counters

pmdomain providers:
- mediatek: Add support for Dimensity 1200 MT6893
- qcom: Add support for SM4450 power domains
- rockchip: Add support for RK3562 SoC
- sunxi: Add support for Allwinner H6/H616 PRCM PPU
- ti: Fix STANDBY handling of OMAP2+ PER power domain

cpuidle-psci:
- Correct the domain-idlestate statistics in debugfs"

* tag 'pmdomain-v6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (23 commits)
pmdomain: ti: Fix STANDBY handling of PER power domain
pmdomain: amlogic: Constify some structures
pmdomain: core: Use genpd->opp_table to simplify error/remove path
pmdomain: core: Simplify return statement in genpd_power_off()
pmdomain: core: Convert genpd_power_off() to void
pmdomain: core: Convert to device_awake_path()
pmdomain: mediatek: Add error messages for missing regmaps
pmdomain: arm: Do not enable by default during compile testing
pmdomain: qcom: rpmhpd: Add SM4450 power domains
dt-bindings: power: qcom,rpmpd: Add SM4450 compatible
pmdomain: sunxi: add H6 PRCM PPU driver
dt-bindings: power: Add Allwinner H6/H616 PRCM PPU
pmdomain: bcm: bcm2835-power: Use devm_clk_get_optional
pmdomain: rockchip: Add support for RK3562 SoC
dt-bindings: power: rockchip: Add support for RK3562 SoC
pmdomain: mediatek: Add support for Dimensity 1200 MT6893
pmdomain: mediatek: Bump maximum bus protect data array elements
dt-bindings: power: mediatek: Support Dimensity 1200 MT6893 MTCMOS
pmdomain: core: Reset genpd->states to avoid freeing invalid data
pmdomain: core: Add residency reflection for domain-idlestates to debugfs
...

Documentation/devicetree/bindings/power/allwinner,sun50i-h6-prcm-ppu.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/allwinner,sun50i-h6-prcm-ppu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner SoCs PRCM power domain controller
+
+maintainers:
+  - Andre Przywara <[e-mail]>
+
+description:
+  The Allwinner Power Reset Clock Management (PRCM) unit contains bits to
+  control a few power domains.
+
+properties:
+  compatible:
+    enum:
+      - allwinner,sun50i-h6-prcm-ppu
+      - allwinner,sun50i-h616-prcm-ppu
+      - allwinner,sun55i-a523-prcm-ppu
+
+  reg:
+    maxItems: 1
+
+  '#power-domain-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    prcm_ppu: power-controller@7010210 {
+        compatible = "allwinner,sun50i-h616-prcm-ppu";
+        reg = <0x7010210 0x10>;
+        #power-domain-cells = <1>;
+    };

Documentation/devicetree/bindings/power/mediatek,power-controller.yaml

···
     enum:
       - mediatek,mt6735-power-controller
       - mediatek,mt6795-power-controller
+      - mediatek,mt6893-power-controller
       - mediatek,mt8167-power-controller
       - mediatek,mt8173-power-controller
       - mediatek,mt8183-power-controller
···
         description: |
           Power domain index. Valid values are defined in:
               "include/dt-bindings/power/mt6795-power.h" - for MT8167 type power domain.
+              "include/dt-bindings/power/mediatek,mt6893-power.h" - for MT6893 type power domain.
               "include/dt-bindings/power/mt8167-power.h" - for MT8167 type power domain.
               "include/dt-bindings/power/mt8173-power.h" - for MT8173 type power domain.
               "include/dt-bindings/power/mt8183-power.h" - for MT8183 type power domain.

Documentation/devicetree/bindings/power/qcom,rpmpd.yaml

···
           - qcom,sdx55-rpmhpd
           - qcom,sdx65-rpmhpd
           - qcom,sdx75-rpmhpd
+          - qcom,sm4450-rpmhpd
           - qcom,sm6115-rpmpd
           - qcom,sm6125-rpmpd
           - qcom,sm6350-rpmhpd

Documentation/devicetree/bindings/power/rockchip,power-controller.yaml

···
       - rockchip,rk3366-power-controller
       - rockchip,rk3368-power-controller
       - rockchip,rk3399-power-controller
+      - rockchip,rk3562-power-controller
       - rockchip,rk3568-power-controller
       - rockchip,rk3576-power-controller
       - rockchip,rk3588-power-controller

drivers/cpuidle/cpuidle-psci-domain.c

···
 
 	/* OSI mode is enabled, set the corresponding domain state. */
 	pd_state = state->data;
-	psci_set_domain_state(*pd_state);
+	psci_set_domain_state(pd, pd->state_idx, *pd_state);
 
 	return 0;
 }

drivers/cpuidle/cpuidle-psci.c

···
 	struct device *dev;
 };
 
+struct psci_cpuidle_domain_state {
+	struct generic_pm_domain *pd;
+	unsigned int state_idx;
+	u32 state;
+};
+
 static DEFINE_PER_CPU_READ_MOSTLY(struct psci_cpuidle_data, psci_cpuidle_data);
-static DEFINE_PER_CPU(u32, domain_state);
+static DEFINE_PER_CPU(struct psci_cpuidle_domain_state, psci_domain_state);
 static bool psci_cpuidle_use_syscore;
 static bool psci_cpuidle_use_cpuhp;
 
-void psci_set_domain_state(u32 state)
+void psci_set_domain_state(struct generic_pm_domain *pd, unsigned int state_idx,
+			   u32 state)
 {
-	__this_cpu_write(domain_state, state);
+	struct psci_cpuidle_domain_state *ds = this_cpu_ptr(&psci_domain_state);
+
+	ds->pd = pd;
+	ds->state_idx = state_idx;
+	ds->state = state;
 }
 
-static inline u32 psci_get_domain_state(void)
+static inline void psci_clear_domain_state(void)
 {
-	return __this_cpu_read(domain_state);
+	__this_cpu_write(psci_domain_state.state, 0);
 }
 
 static __cpuidle int __psci_enter_domain_idle_state(struct cpuidle_device *dev,
···
 	struct psci_cpuidle_data *data = this_cpu_ptr(&psci_cpuidle_data);
 	u32 *states = data->psci_states;
 	struct device *pd_dev = data->dev;
-	u32 state;
+	struct psci_cpuidle_domain_state *ds;
+	u32 state = states[idx];
 	int ret;
 
 	ret = cpu_pm_enter();
···
 	else
 		pm_runtime_put_sync_suspend(pd_dev);
 
-	state = psci_get_domain_state();
-	if (!state)
-		state = states[idx];
+	ds = this_cpu_ptr(&psci_domain_state);
+	if (ds->state)
+		state = ds->state;
 
 	trace_psci_domain_idle_enter(dev->cpu, state, s2idle);
 	ret = psci_cpu_suspend_enter(state) ? -1 : idx;
···
 
 	cpu_pm_exit();
 
+	/* Correct domain-idlestate statistics if we failed to enter. */
+	if (ret == -1 && ds->state)
+		pm_genpd_inc_rejected(ds->pd, ds->state_idx);
+
 	/* Clear the domain state to start fresh when back from idle. */
-	psci_set_domain_state(0);
+	psci_clear_domain_state();
 	return ret;
 }
 
···
 	if (pd_dev) {
 		pm_runtime_put_sync(pd_dev);
 		/* Clear domain state to start fresh at next online. */
-		psci_set_domain_state(0);
+		psci_clear_domain_state();
 	}
 
 	return 0;
···
 
 			/* Clear domain state to re-start fresh. */
 			if (!cleared) {
-				psci_set_domain_state(0);
+				psci_clear_domain_state();
 				cleared = true;
 			}
 		}

drivers/cpuidle/cpuidle-psci.h

···
 #define __CPUIDLE_PSCI_H
 
 struct device_node;
+struct generic_pm_domain;
 
-void psci_set_domain_state(u32 state);
+void psci_set_domain_state(struct generic_pm_domain *pd, unsigned int state_idx,
+			   u32 state);
 int psci_dt_parse_state_node(struct device_node *np, u32 *state);
 
 #endif /* __CPUIDLE_PSCI_H */

drivers/pmdomain/amlogic/meson-ee-pwrc.c

···
 	char *name;
 	unsigned int reset_names_count;
 	unsigned int clk_names_count;
-	struct meson_ee_pwrc_top_domain *top_pd;
+	const struct meson_ee_pwrc_top_domain *top_pd;
 	unsigned int mem_pd_count;
-	struct meson_ee_pwrc_mem_domain *mem_pd;
+	const struct meson_ee_pwrc_mem_domain *mem_pd;
 	bool (*is_powered_off)(struct meson_ee_pwrc_domain *pwrc_domain);
 };
 
 struct meson_ee_pwrc_domain_data {
 	unsigned int count;
-	struct meson_ee_pwrc_domain_desc *domains;
+	const struct meson_ee_pwrc_domain_desc *domains;
 };
 
 /* TOP Power Domains */
 
-static struct meson_ee_pwrc_top_domain gx_pwrc_vpu = {
+static const struct meson_ee_pwrc_top_domain gx_pwrc_vpu = {
 	.sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
 	.sleep_mask = BIT(8),
 	.iso_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
 	.iso_mask = BIT(9),
 };
 
-static struct meson_ee_pwrc_top_domain meson8_pwrc_vpu = {
+static const struct meson_ee_pwrc_top_domain meson8_pwrc_vpu = {
 	.sleep_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
 	.sleep_mask = BIT(8),
 	.iso_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
···
 		.iso_mask = BIT(__bit), 			\
 	}
 
-static struct meson_ee_pwrc_top_domain sm1_pwrc_vpu = SM1_EE_PD(8);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_nna = SM1_EE_PD(16);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_usb = SM1_EE_PD(17);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_pci = SM1_EE_PD(18);
-static struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19);
+static const struct meson_ee_pwrc_top_domain sm1_pwrc_vpu = SM1_EE_PD(8);
+static const struct meson_ee_pwrc_top_domain sm1_pwrc_nna = SM1_EE_PD(16);
+static const struct meson_ee_pwrc_top_domain sm1_pwrc_usb = SM1_EE_PD(17);
+static const struct meson_ee_pwrc_top_domain sm1_pwrc_pci = SM1_EE_PD(18);
+static const struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19);
 
-static struct meson_ee_pwrc_top_domain g12a_pwrc_nna = {
+static const struct meson_ee_pwrc_top_domain g12a_pwrc_nna = {
 	.sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
 	.sleep_mask = BIT(16) | BIT(17),
 	.iso_reg = GX_AO_RTI_GEN_PWR_ISO0,
 	.iso_mask = BIT(16) | BIT(17),
 };
 
-static struct meson_ee_pwrc_top_domain g12a_pwrc_isp = {
+static const struct meson_ee_pwrc_top_domain g12a_pwrc_isp = {
 	.sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
 	.sleep_mask = BIT(18) | BIT(19),
 	.iso_reg = GX_AO_RTI_GEN_PWR_ISO0,
···
 	{ __reg, BIT(14) },					\
 	{ __reg, BIT(15) }
 
-static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = {
+static const struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = {
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
 	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
 };
 
-static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
+static const struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG2),
 	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
 };
 
-static struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
+static const struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
 	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
 };
 
-static struct meson_ee_pwrc_mem_domain meson_pwrc_mem_eth[] = {
+static const struct meson_ee_pwrc_mem_domain meson_pwrc_mem_eth[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(3, 2) },
 };
 
-static struct meson_ee_pwrc_mem_domain meson8_pwrc_audio_dsp_mem[] = {
+static const struct meson_ee_pwrc_mem_domain meson8_pwrc_audio_dsp_mem[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(1, 0) },
 };
 
-static struct meson_ee_pwrc_mem_domain meson8_pwrc_mem_vpu[] = {
+static const struct meson_ee_pwrc_mem_domain meson8_pwrc_mem_vpu[] = {
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
 	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
 };
 
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_vpu[] = {
+static const struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_vpu[] = {
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG2),
···
 	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
 };
 
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_nna[] = {
+static const struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_nna[] = {
 	{ HHI_NANOQ_MEM_PD_REG0, 0xff },
 	{ HHI_NANOQ_MEM_PD_REG1, 0xff },
 };
 
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_usb[] = {
+static const struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_usb[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(31, 30) },
 };
 
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_pcie[] = {
+static const struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_pcie[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(29, 26) },
 };
 
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = {
+static const struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(25, 18) },
 };
 
-static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = {
+static const struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(5, 4) },
 };
 
-static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
+static const struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(5, 4) },
 	{ HHI_AUDIO_MEM_PD_REG0, GENMASK(1, 0) },
 	{ HHI_AUDIO_MEM_PD_REG0, GENMASK(3, 2) },
···
 	{ HHI_AUDIO_MEM_PD_REG0, GENMASK(27, 26) },
 };
 
-static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_nna[] = {
+static const struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_nna[] = {
 	{ G12A_HHI_NANOQ_MEM_PD_REG0, GENMASK(31, 0) },
 	{ G12A_HHI_NANOQ_MEM_PD_REG1, GENMASK(31, 0) },
 };
 
-static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_isp[] = {
+static const struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_isp[] = {
 	{ G12A_HHI_ISP_MEM_PD_REG0, GENMASK(31, 0) },
 	{ G12A_HHI_ISP_MEM_PD_REG1, GENMASK(31, 0) },
 };
···
 
 static bool pwrc_ee_is_powered_off(struct meson_ee_pwrc_domain *pwrc_domain);
 
-static struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = {
+static const struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = {
 	[PWRC_AXG_VPU_ID]  = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu,
 				     pwrc_ee_is_powered_off, 5, 2),
 	[PWRC_AXG_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
 	[PWRC_AXG_AUDIO_ID] = MEM_PD("AUDIO", axg_pwrc_mem_audio),
 };
 
-static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
+static const struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
 	[PWRC_G12A_VPU_ID]  = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
 				     pwrc_ee_is_powered_off, 11, 2),
 	[PWRC_G12A_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
···
 				    pwrc_ee_is_powered_off),
 };
 
-static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {
+static const struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {
 	[PWRC_GXBB_VPU_ID]  = VPU_PD("VPU", &gx_pwrc_vpu, gxbb_pwrc_mem_vpu,
 				     pwrc_ee_is_powered_off, 12, 2),
 	[PWRC_GXBB_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
 };
 
-static struct meson_ee_pwrc_domain_desc meson8_pwrc_domains[] = {
+static const struct meson_ee_pwrc_domain_desc meson8_pwrc_domains[] = {
 	[PWRC_MESON8_VPU_ID]  = VPU_PD("VPU", &meson8_pwrc_vpu,
 				       meson8_pwrc_mem_vpu,
 				       pwrc_ee_is_powered_off, 0, 1),
···
 						meson8_pwrc_audio_dsp_mem),
 };
 
-static struct meson_ee_pwrc_domain_desc meson8b_pwrc_domains[] = {
+static const struct meson_ee_pwrc_domain_desc meson8b_pwrc_domains[] = {
 	[PWRC_MESON8_VPU_ID]  = VPU_PD("VPU", &meson8_pwrc_vpu,
 				       meson8_pwrc_mem_vpu,
 				       pwrc_ee_is_powered_off, 11, 1),
···
 						meson8_pwrc_audio_dsp_mem),
 };
 
-static struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
+static const struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
 	[PWRC_SM1_VPU_ID]  = VPU_PD("VPU", &sm1_pwrc_vpu, sm1_pwrc_mem_vpu,
 				    pwrc_ee_is_powered_off, 11, 2),
 	[PWRC_SM1_NNA_ID]  = TOP_PD("NNA", &sm1_pwrc_nna, sm1_pwrc_mem_nna,
···
 	}
 }
 
-static struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = {
+static const struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = {
 	.count = ARRAY_SIZE(g12a_pwrc_domains),
 	.domains = g12a_pwrc_domains,
 };
 
-static struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = {
+static const struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = {
 	.count = ARRAY_SIZE(axg_pwrc_domains),
 	.domains = axg_pwrc_domains,
 };
 
-static struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = {
+static const struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = {
 	.count = ARRAY_SIZE(gxbb_pwrc_domains),
 	.domains = gxbb_pwrc_domains,
 };
 
-static struct meson_ee_pwrc_domain_data meson_ee_m8_pwrc_data = {
+static const struct meson_ee_pwrc_domain_data meson_ee_m8_pwrc_data = {
 	.count = ARRAY_SIZE(meson8_pwrc_domains),
 	.domains = meson8_pwrc_domains,
 };
 
-static struct meson_ee_pwrc_domain_data meson_ee_m8b_pwrc_data = {
+static const struct meson_ee_pwrc_domain_data meson_ee_m8b_pwrc_data = {
 	.count = ARRAY_SIZE(meson8b_pwrc_domains),
 	.domains = meson8b_pwrc_domains,
 };
 
-static struct meson_ee_pwrc_domain_data meson_ee_sm1_pwrc_data = {
+static const struct meson_ee_pwrc_domain_data meson_ee_sm1_pwrc_data = {
 	.count = ARRAY_SIZE(sm1_pwrc_domains),
 	.domains = sm1_pwrc_domains,
 };

drivers/pmdomain/arm/Kconfig

···
 config ARM_SCMI_PERF_DOMAIN
 	tristate "SCMI performance domain driver"
 	depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF)
-	default y
+	default ARM_SCMI_PROTOCOL
 	select PM_GENERIC_DOMAINS if PM
 	help
 	  This enables support for the SCMI performance domains which can be
···
 config ARM_SCMI_POWER_DOMAIN
 	tristate "SCMI power domain driver"
 	depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF)
-	default y
+	default ARM_SCMI_PROTOCOL
 	select PM_GENERIC_DOMAINS if PM
 	help
 	  This enables support for the SCMI power domains which can be
···
 config ARM_SCPI_POWER_DOMAIN
 	tristate "SCPI power domain driver"
 	depends on ARM_SCPI_PROTOCOL || (COMPILE_TEST && OF)
-	default y
+	default ARM_SCPI_PROTOCOL
 	select PM_GENERIC_DOMAINS if PM
 	help
 	  This enables support for the SCPI power domains which can be

drivers/pmdomain/bcm/bcm2835-power.c

···
 	struct device *dev = power->dev;
 	struct bcm2835_power_domain *dom = &power->domains[pd_xlate_index];
 
-	dom->clk = devm_clk_get(dev->parent, name);
-	if (IS_ERR(dom->clk)) {
-		int ret = PTR_ERR(dom->clk);
-
-		if (ret == -EPROBE_DEFER)
-			return ret;
-
-		/* Some domains don't have a clk, so make sure that we
-		 * don't deref an error pointer later.
-		 */
-		dom->clk = NULL;
-	}
+	dom->clk = devm_clk_get_optional(dev->parent, name);
+	if (IS_ERR(dom->clk))
+		return dev_err_probe(dev, PTR_ERR(dom->clk), "Failed to get clock %s\n",
+							     name);
 
 	dom->base.name = name;
 	dom->base.flags = GENPD_FLAG_ACTIVE_WAKEUP;

drivers/pmdomain/core.c

···
 
 	genpd->accounting_time = now;
 }
+
+static void genpd_reflect_residency(struct generic_pm_domain *genpd)
+{
+	struct genpd_governor_data *gd = genpd->gd;
+	struct genpd_power_state *state, *next_state;
+	unsigned int state_idx;
+	s64 sleep_ns, target_ns;
+
+	if (!gd || !gd->reflect_residency)
+		return;
+
+	sleep_ns = ktime_to_ns(ktime_sub(ktime_get(), gd->last_enter));
+	state_idx = genpd->state_idx;
+	state = &genpd->states[state_idx];
+	target_ns = state->power_off_latency_ns + state->residency_ns;
+
+	if (sleep_ns < target_ns) {
+		state->above++;
+	} else if (state_idx < (genpd->state_count -1)) {
+		next_state = &genpd->states[state_idx + 1];
+		target_ns = next_state->power_off_latency_ns +
+			next_state->residency_ns;
+
+		if (sleep_ns >= target_ns)
+			state->below++;
+	}
+
+	gd->reflect_residency = false;
+}
 #else
 static inline void genpd_debug_add(struct generic_pm_domain *genpd) {}
 static inline void genpd_debug_remove(struct generic_pm_domain *genpd) {}
 static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {}
+static inline void genpd_reflect_residency(struct generic_pm_domain *genpd) {}
 #endif
 
 static int _genpd_reeval_performance_state(struct generic_pm_domain *genpd,
···
 }
 EXPORT_SYMBOL_GPL(dev_pm_genpd_rpm_always_on);
 
+/**
+ * pm_genpd_inc_rejected() - Adjust the rejected/usage counts for an idle-state.
+ *
+ * @genpd: The PM domain the idle-state belongs to.
+ * @state_idx: The index of the idle-state that failed.
+ *
+ * In some special cases the ->power_off() callback is asynchronously powering
+ * off the PM domain, leading to that it may return zero to indicate success,
+ * even though the actual power-off could fail. To account for this correctly in
+ * the rejected/usage counts for the idle-state statistics, users can call this
+ * function to adjust the values.
+ *
+ * It is assumed that the users guarantee that the genpd doesn't get removed
+ * while this routine is getting called.
+ */
+void pm_genpd_inc_rejected(struct generic_pm_domain *genpd,
+			   unsigned int state_idx)
+{
+	genpd_lock(genpd);
+	genpd->states[genpd->state_idx].rejected++;
+	genpd->states[genpd->state_idx].usage--;
+	genpd_unlock(genpd);
+}
+EXPORT_SYMBOL_GPL(pm_genpd_inc_rejected);
+
 static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed)
 {
 	unsigned int state_idx = genpd->state_idx;
···
  * If all of the @genpd's devices have been suspended and all of its subdomains
  * have been powered down, remove power from @genpd.
  */
-static int genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on,
-			   unsigned int depth)
+static void genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on,
+			    unsigned int depth)
 {
 	struct pm_domain_data *pdd;
 	struct gpd_link *link;
 	unsigned int not_suspended = 0;
-	int ret;
 
 	/*
 	 * Do not try to power off the domain in the following situations:
-	 * (1) The domain is already in the "power off" state.
-	 * (2) System suspend is in progress.
+	 * The domain is already in the "power off" state.
+	 * System suspend is in progress.
+	 * The domain is configured as always on.
+	 * The domain has a subdomain being powered on.
 	 */
-	if (!genpd_status_on(genpd) || genpd->prepared_count > 0)
-		return 0;
-
-	/*
-	 * Abort power off for the PM domain in the following situations:
-	 * (1) The domain is configured as always on.
-	 * (2) When the domain has a subdomain being powered on.
-	 */
-	if (genpd_is_always_on(genpd) ||
-			genpd_is_rpm_always_on(genpd) ||
-			atomic_read(&genpd->sd_count) > 0)
-		return -EBUSY;
+	if (!genpd_status_on(genpd) || genpd->prepared_count > 0 ||
+	    genpd_is_always_on(genpd) || genpd_is_rpm_always_on(genpd) ||
+	    atomic_read(&genpd->sd_count) > 0)
+		return;
 
 	/*
 	 * The children must be in their deepest (powered-off) states to allow
···
 	list_for_each_entry(link, &genpd->parent_links, parent_node) {
 		struct generic_pm_domain *child = link->child;
 		if (child->state_idx < child->state_count - 1)
-			return -EBUSY;
+			return;
 	}
 
 	list_for_each_entry(pdd, &genpd->dev_list, list_node) {
···
 
 		/* The device may need its PM domain to stay powered on. */
 		if (to_gpd_data(pdd)->rpm_always_on)
-			return -EBUSY;
+			return;
 	}
 
 	if (not_suspended > 1 || (not_suspended == 1 && !one_dev_on))
-		return -EBUSY;
+		return;
 
 	if (genpd->gov && genpd->gov->power_down_ok) {
 		if (!genpd->gov->power_down_ok(&genpd->domain))
-			return -EAGAIN;
+			return;
 	}
 
 	/* Default to shallowest state. */
···
 
 	/* Don't power off, if a child domain is waiting to power on. */
 	if (atomic_read(&genpd->sd_count) > 0)
-		return -EBUSY;
+		return;
 
-	ret = _genpd_power_off(genpd, true);
-	if (ret) {
+	if (_genpd_power_off(genpd, true)) {
 		genpd->states[genpd->state_idx].rejected++;
-		return ret;
+		return;
 	}
 
 	genpd->status = GENPD_STATE_OFF;
···
 		genpd_power_off(link->parent, false, depth + 1);
 		genpd_unlock(link->parent);
 	}
-
-	return 0;
 }
 
 /**
···
 
 	if (genpd_status_on(genpd))
 		return 0;
+
+	/* Reflect over the entered idle-states residency for debugfs. */
+	genpd_reflect_residency(genpd);
 
 	/*
 	 * The list is guaranteed not to change while the loop below is being
···
 	if (ret)
 		return ret;
 
-	if (device_wakeup_path(dev) && genpd_is_active_wakeup(genpd))
+	if (device_awake_path(dev) && genpd_is_active_wakeup(genpd))
 		return 0;
 
 	if (genpd->dev_ops.stop && genpd->dev_ops.start &&
···
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (device_wakeup_path(dev) && genpd_is_active_wakeup(genpd))
+	if (device_awake_path(dev) && genpd_is_active_wakeup(genpd))
 		return resume_noirq(dev);
 
 	genpd_lock(genpd);
···
 	return 0;
 put:
 	put_device(&genpd->dev);
-	if (genpd->free_states == genpd_free_default_power_state)
+	if (genpd->free_states == genpd_free_default_power_state) {
 		kfree(genpd->states);
+		genpd->states = NULL;
+	}
 free:
 	if (genpd_is_cpu_domain(genpd))
 		free_cpumask_var(genpd->cpus);
···
 	genpd->provider = NULL;
 	genpd->device_id = -ENXIO;
 	genpd->has_provider = false;
+	genpd->opp_table = NULL;
 	genpd->accounting_time = ktime_get_mono_fast_ns();
 	genpd->domain.ops.runtime_suspend = genpd_runtime_suspend;
 	genpd->domain.ops.runtime_resume = genpd_runtime_resume;
···
 
 	ret = genpd_add_provider(np, genpd_xlate_simple, genpd);
 	if (ret) {
-		if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) {
+		if (genpd->opp_table) {
 			dev_pm_opp_put_opp_table(genpd->opp_table);
 			dev_pm_opp_of_remove_table(&genpd->dev);
 		}
···
 		genpd->provider = NULL;
 		genpd->has_provider = false;
 
-		if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) {
+		if (genpd->opp_table) {
 			dev_pm_opp_put_opp_table(genpd->opp_table);
 			dev_pm_opp_of_remove_table(&genpd->dev);
 		}
···
 				if (gpd->provider == &np->fwnode) {
 					gpd->has_provider = false;
 
-					if (genpd_is_opp_table_fw(gpd) || !gpd->set_performance_state)
-						continue;
-
-					dev_pm_opp_put_opp_table(gpd->opp_table);
-					dev_pm_opp_of_remove_table(&gpd->dev);
+					if (gpd->opp_table) {
+						dev_pm_opp_put_opp_table(gpd->opp_table);
+						dev_pm_opp_of_remove_table(&gpd->dev);
+					}
 				}
 			}
 
···
 	if (ret)
 		return -ERESTARTSYS;
 
-	seq_puts(s, "State          Time Spent(ms) Usage          Rejected\n");
+	seq_puts(s, "State          Time Spent(ms) Usage      Rejected   Above      Below\n");
 
 	for (i = 0; i < genpd->state_count; i++) {
 		struct genpd_power_state *state = &genpd->states[i];
···
 			snprintf(state_name, ARRAY_SIZE(state_name), "S%-13d", i);
 
 		do_div(idle_time, NSEC_PER_MSEC);
-		seq_printf(s, "%-14s %-14llu %-14llu %llu\n",
+		seq_printf(s, "%-14s %-14llu %-10llu %-10llu %-10llu %llu\n",
 			   state->name ?: state_name, idle_time,
-			   state->usage, state->rejected);
+			   state->usage, state->rejected, state->above,
+			   state->below);
 	}
 
 	genpd_unlock(genpd);

drivers/pmdomain/governor.c

···
 		if (idle_duration_ns >= (genpd->states[i].residency_ns +
 		    genpd->states[i].power_off_latency_ns)) {
 			genpd->state_idx = i;
+			genpd->gd->last_enter = now;
+			genpd->gd->reflect_residency = true;
 			return true;
 		}
 	} while (--i >= 0);

drivers/pmdomain/mediatek/mt6893-pm-domains.h

···
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2025 Collabora Ltd
+ *                    AngeloGioacchino Del Regno <[e-mail]>
+ */
+
+#ifndef __PMDOMAIN_MEDIATEK_MT6893_PM_DOMAINS_H
+#define __PMDOMAIN_MEDIATEK_MT6893_PM_DOMAINS_H
+
+#include <linux/soc/mediatek/infracfg.h>
+#include <dt-bindings/power/mediatek,mt6893-power.h>
+#include "mtk-pm-domains.h"
+
+#define MT6893_TOP_AXI_PROT_EN_MCU_STA1				0x2e4
+#define MT6893_TOP_AXI_PROT_EN_MCU_SET				0x2c4
+#define MT6893_TOP_AXI_PROT_EN_MCU_CLR				0x2c8
+#define MT6893_TOP_AXI_PROT_EN_VDNR_1_SET			0xba4
+#define MT6893_TOP_AXI_PROT_EN_VDNR_1_CLR			0xba8
+#define MT6893_TOP_AXI_PROT_EN_VDNR_1_STA1			0xbb0
+#define MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET		0xbb8
+#define MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR		0xbbc
+#define MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1		0xbc4
+
+#define MT6893_TOP_AXI_PROT_EN_1_MFG1_STEP1			GENMASK(21, 19)
+#define MT6893_TOP_AXI_PROT_EN_2_MFG1_STEP2			GENMASK(6, 5)
+#define MT6893_TOP_AXI_PROT_EN_MFG1_STEP3			GENMASK(22, 21)
+#define MT6893_TOP_AXI_PROT_EN_2_MFG1_STEP4			BIT(7)
+#define MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1_STEP5	GENMASK(19, 17)
+#define MT6893_TOP_AXI_PROT_EN_MM_VDEC0_STEP1			BIT(24)
+#define MT6893_TOP_AXI_PROT_EN_MM_2_VDEC0_STEP2			BIT(25)
+#define MT6893_TOP_AXI_PROT_EN_MM_VDEC1_STEP1			BIT(6)
+#define MT6893_TOP_AXI_PROT_EN_MM_VDEC1_STEP2			BIT(7)
+#define MT6893_TOP_AXI_PROT_EN_MM_VENC0_STEP1			BIT(26)
+#define MT6893_TOP_AXI_PROT_EN_MM_2_VENC0_STEP2			BIT(0)
+#define MT6893_TOP_AXI_PROT_EN_MM_VENC0_STEP3			BIT(27)
+#define MT6893_TOP_AXI_PROT_EN_MM_2_VENC0_STEP4			BIT(1)
+#define MT6893_TOP_AXI_PROT_EN_MM_VENC1_STEP1			GENMASK(30, 28)
+#define MT6893_TOP_AXI_PROT_EN_MM_VENC1_STEP2			GENMASK(31, 29)
+#define MT6893_TOP_AXI_PROT_EN_MDP_STEP1			BIT(10)
+#define MT6893_TOP_AXI_PROT_EN_MM_MDP_STEP2			(BIT(2) | BIT(4) | BIT(6) |	\
+								 BIT(8) | BIT(18) | BIT(22) |	\
+								 BIT(28) | BIT(30))
+#define MT6893_TOP_AXI_PROT_EN_MM_2_MDP_STEP3			(BIT(0) | BIT(2) | BIT(4) |	\
+								 BIT(6) | BIT(8))
+#define MT6893_TOP_AXI_PROT_EN_MDP_STEP4			BIT(23)
+#define MT6893_TOP_AXI_PROT_EN_MM_MDP_STEP5			(BIT(3) | BIT(5) | BIT(7) |	\
+								 BIT(9) | BIT(19) | BIT(23) |	\
+								 BIT(29) | BIT(31))
+#define MT6893_TOP_AXI_PROT_EN_MM_2_MDP_STEP6			(BIT(1) | BIT(7) | BIT(9) | BIT(11))
+#define MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MDP_STEP7		BIT(20)
+#define MT6893_TOP_AXI_PROT_EN_MM_DISP_STEP1			(BIT(0) | BIT(6) | BIT(8) |	\
+								 BIT(10) | BIT(12) | BIT(14) |	\
+								 BIT(16) | BIT(20) | BIT(24) |	\
+								 BIT(26))
+#define MT6893_TOP_AXI_PROT_EN_DISP_STEP2			BIT(6)
+#define MT6893_TOP_AXI_PROT_EN_MM_DISP_STEP3			(BIT(1) | BIT(7) | BIT(9) |	\
+								 BIT(15) | BIT(17) | BIT(21) |	\
+								 BIT(25) | BIT(27))
+#define MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_DISP_STEP4	BIT(21)
+#define MT6893_TOP_AXI_PROT_EN_2_ADSP				BIT(3)
+#define MT6893_TOP_AXI_PROT_EN_2_CAM_STEP1			BIT(1)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_STEP2			(BIT(0) | BIT(2) | BIT(4))
+#define MT6893_TOP_AXI_PROT_EN_1_CAM_STEP3			BIT(22)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_STEP4			(BIT(1) | BIT(3) | BIT(5))
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWA_STEP1		BIT(18)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWA_STEP2		BIT(19)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWB_STEP1		BIT(20)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWB_STEP2		BIT(21)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWC_STEP1		BIT(22)
+#define MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWC_STEP2		BIT(23)
+
+/*
+ * MT6893 Power Domain (MTCMOS) support
+ *
+ * The register layout for this IP is very similar to MT8192 so where possible
+ * the same definitions are reused to avoid duplication.
+ * Where the bus protection bits are also the same, the entire set is reused.
+ */
+static const struct scpsys_domain_data scpsys_domain_data_mt6893[] = {
+	[MT6893_POWER_DOMAIN_CONN] = {
+		.name = "conn",
+		.sta_mask = BIT(1),
+		.ctl_offs = 0x304,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = 0,
+		.sram_pdn_ack_bits = 0,
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_CONN,
+				    MT8192_TOP_AXI_PROT_EN_SET,
+				    MT8192_TOP_AXI_PROT_EN_CLR,
+				    MT8192_TOP_AXI_PROT_EN_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_CONN_2ND,
+				    MT8192_TOP_AXI_PROT_EN_SET,
+				    MT8192_TOP_AXI_PROT_EN_CLR,
+				    MT8192_TOP_AXI_PROT_EN_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_1_CONN,
+				    MT8192_TOP_AXI_PROT_EN_1_SET,
+				    MT8192_TOP_AXI_PROT_EN_1_CLR,
+				    MT8192_TOP_AXI_PROT_EN_1_STA1),
+		},
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_MFG0] = {
+		.name = "mfg0",
+		.sta_mask = BIT(2),
+		.ctl_offs = 0x308,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+	},
+	[MT6893_POWER_DOMAIN_MFG1] = {
+		.name = "mfg1",
+		.sta_mask = BIT(3),
+		.ctl_offs = 0x30c,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_1_MFG1_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_1_SET,
+				    MT8192_TOP_AXI_PROT_EN_1_CLR,
+				    MT8192_TOP_AXI_PROT_EN_1_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_2_MFG1_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MFG1_STEP3,
+				    MT8192_TOP_AXI_PROT_EN_SET,
+				    MT8192_TOP_AXI_PROT_EN_CLR,
+				    MT8192_TOP_AXI_PROT_EN_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_2_MFG1_STEP4,
+				    MT8192_TOP_AXI_PROT_EN_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MFG1_STEP5,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
+		},
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF | MTK_SCPD_DOMAIN_SUPPLY,
+	},
+	[MT6893_POWER_DOMAIN_MFG2] = {
+		.name = "mfg2",
+		.sta_mask = BIT(4),
+		.ctl_offs = 0x310,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_MFG3] = {
+		.name = "mfg3",
+		.sta_mask = BIT(5),
+		.ctl_offs = 0x314,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_MFG4] = {
+		.name = "mfg4",
+		.sta_mask = BIT(6),
+		.ctl_offs = 0x318,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_MFG5] = {
+		.name = "mfg5",
+		.sta_mask = BIT(7),
+		.ctl_offs = 0x31c,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_MFG6] = {
+		.name = "mfg6",
+		.sta_mask = BIT(8),
+		.ctl_offs = 0x320,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_ISP] = {
+		.name = "isp",
+		.sta_mask = BIT(12),
+		.ctl_offs = 0x330,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_ISP,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_ISP_2ND,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_ISP2] = {
+		.name = "isp2",
+		.sta_mask = BIT(13),
+		.ctl_offs = 0x334,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_MM_ISP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_MM_ISP2_2ND,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_IPE] = {
+		.name = "ipe",
+		.sta_mask = BIT(14),
+		.ctl_offs = 0x338,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_MM_IPE,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_MM_IPE_2ND,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_VDEC0] = {
+		.name = "vdec0",
+		.sta_mask = BIT(15),
+		.ctl_offs = 0x33c,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VDEC0_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_2_VDEC0_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_VDEC1] = {
+		.name = "vdec1",
+		.sta_mask = BIT(16),
+		.ctl_offs = 0x340,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VDEC1_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VDEC1_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_VENC0] = {
+		.name = "venc0",
+		.sta_mask = BIT(17),
+		.ctl_offs = 0x344,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VENC0_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_2_VENC0_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VENC0_STEP3,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_2_VENC0_STEP4,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+		},
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_VENC1] = {
+		.name = "venc1",
+		.sta_mask = BIT(18),
+		.ctl_offs = 0x348,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VENC1_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_VENC1_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+	[MT6893_POWER_DOMAIN_MDP] = {
+		.name = "mdp",
+		.sta_mask = BIT(19),
+		.ctl_offs = 0x34c,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MDP_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_SET,
+				    MT8192_TOP_AXI_PROT_EN_CLR,
+				    MT8192_TOP_AXI_PROT_EN_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_MDP_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_2_MDP_STEP3,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MDP_STEP4,
+				    MT8192_TOP_AXI_PROT_EN_SET,
+				    MT8192_TOP_AXI_PROT_EN_CLR,
+				    MT8192_TOP_AXI_PROT_EN_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_MDP_STEP5,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_2_MDP_STEP6,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_MDP_STEP7,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_DISP] = {
+		.name = "disp",
+		.sta_mask = BIT(20),
+		.ctl_offs = 0x350,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_DISP_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_DISP_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_SET,
+				    MT8192_TOP_AXI_PROT_EN_CLR,
+				    MT8192_TOP_AXI_PROT_EN_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_DISP_STEP3,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_DISP_STEP4,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_SET,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_CLR,
+				    MT6893_TOP_AXI_PROT_EN_SUB_INFRA_VDNR_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_AUDIO] = {
+		.name = "audio",
+		.sta_mask = BIT(21),
+		.ctl_offs = 0x354,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT8192_TOP_AXI_PROT_EN_2_AUDIO,
+				    MT8192_TOP_AXI_PROT_EN_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_2_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_ADSP] = {
+		.name = "audio",
+		.sta_mask = BIT(22),
+		.ctl_offs = 0x358,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(9),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_2_ADSP,
+				    MT8192_TOP_AXI_PROT_EN_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_2_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_CAM] = {
+		.name = "cam",
+		.sta_mask = BIT(23),
+		.ctl_offs = 0x35c,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_2_CAM_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_2_SET,
+				    MT8192_TOP_AXI_PROT_EN_2_CLR,
+				    MT8192_TOP_AXI_PROT_EN_2_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_1_CAM_STEP3,
+				    MT8192_TOP_AXI_PROT_EN_1_SET,
+				    MT8192_TOP_AXI_PROT_EN_1_CLR,
+				    MT8192_TOP_AXI_PROT_EN_1_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_STEP4,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_CAM_RAWA] = {
+		.name = "cam_rawa",
+		.sta_mask = BIT(24),
+		.ctl_offs = 0x360,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWA_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWA_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_CAM_RAWB] = {
+		.name = "cam_rawb",
+		.sta_mask = BIT(25),
+		.ctl_offs = 0x364,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWB_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWB_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_CAM_RAWC] = {
+		.name = "cam_rawc",
+		.sta_mask = BIT(26),
+		.ctl_offs = 0x368,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.bp_cfg = {
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWC_STEP1,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+			BUS_PROT_WR(INFRA,
+				    MT6893_TOP_AXI_PROT_EN_MM_CAM_RAWC_STEP2,
+				    MT8192_TOP_AXI_PROT_EN_MM_SET,
+				    MT8192_TOP_AXI_PROT_EN_MM_CLR,
+				    MT8192_TOP_AXI_PROT_EN_MM_STA1),
+		},
+	},
+	[MT6893_POWER_DOMAIN_DP_TX] = {
+		.name = "dp_tx",
+		.sta_mask = BIT(27),
+		.ctl_offs = 0x3ac,
+		.pwr_sta_offs = 0x16c,
+		.pwr_sta2nd_offs = 0x170,
+		.sram_pdn_bits = BIT(8),
+		.sram_pdn_ack_bits = BIT(12),
+		.caps = MTK_SCPD_KEEP_DEFAULT_OFF,
+	},
+};
+
+static const struct scpsys_soc_data mt6893_scpsys_data = {
+	.domains_data = scpsys_domain_data_mt6893,
+	.num_domains = ARRAY_SIZE(scpsys_domain_data_mt6893),
+};
+
+#endif /* __PMDOMAIN_MEDIATEK_MT6893_PM_DOMAINS_H */

drivers/pmdomain/mediatek/mtk-pm-domains.c

···
 
 #include "mt6735-pm-domains.h"
 #include "mt6795-pm-domains.h"
+#include "mt6893-pm-domains.h"
 #include "mt8167-pm-domains.h"
 #include "mt8173-pm-domains.h"
 #include "mt8183-pm-domains.h"
···
 
 	pd->infracfg = syscon_regmap_lookup_by_phandle_optional(node, "mediatek,infracfg");
 	if (IS_ERR(pd->infracfg))
-		return ERR_CAST(pd->infracfg);
+		return dev_err_cast_probe(scpsys->dev, pd->infracfg,
+					  "%pOF: failed to get infracfg regmap\n",
+					  node);
 
 	smi_node = of_parse_phandle(node, "mediatek,smi", 0);
 	if (smi_node) {
 		pd->smi = device_node_to_regmap(smi_node);
 		of_node_put(smi_node);
 		if (IS_ERR(pd->smi))
-			return ERR_CAST(pd->smi);
+			return dev_err_cast_probe(scpsys->dev, pd->smi,
+						  "%pOF: failed to get SMI regmap\n",
+						  node);
 	}
 
 	if (MTK_SCPD_CAPS(pd, MTK_SCPD_HAS_INFRA_NAO)) {
 		pd->infracfg_nao = syscon_regmap_lookup_by_phandle(node, "mediatek,infracfg-nao");
 		if (IS_ERR(pd->infracfg_nao))
-			return ERR_CAST(pd->infracfg_nao);
+			return dev_err_cast_probe(scpsys->dev, pd->infracfg_nao,
+						  "%pOF: failed to get infracfg-nao regmap\n",
+						  node);
 	} else {
 		pd->infracfg_nao = NULL;
 	}
···
 	{
 		.compatible = "mediatek,mt6795-power-controller",
 		.data = &mt6795_scpsys_data,
+	},
+	{
+		.compatible = "mediatek,mt6893-power-controller",
+		.data = &mt6893_scpsys_data,
 	},
 	{
 		.compatible = "mediatek,mt8167-power-controller",

drivers/pmdomain/mediatek/mtk-pm-domains.h

···
 #define PWR_STATUS_AUDIO		BIT(24)
 #define PWR_STATUS_USB			BIT(25)
 
-#define SPM_MAX_BUS_PROT_DATA		6
+#define SPM_MAX_BUS_PROT_DATA		7
 
 enum scpsys_bus_prot_flags {
 	BUS_PROT_REG_UPDATE = BIT(1),

drivers/pmdomain/qcom/rpmhpd.c

···
 	.num_pds = ARRAY_SIZE(sdx75_rpmhpds),
 };
 
+/* SM4450 RPMH powerdomains */
+static struct rpmhpd *sm4450_rpmhpds[] = {
+	[RPMHPD_CX] = &cx,
+	[RPMHPD_CX_AO] = &cx_ao,
+	[RPMHPD_EBI] = &ebi,
+	[RPMHPD_LMX] = &lmx,
+	[RPMHPD_MSS] = &mss,
+	[RPMHPD_MX] = &mx,
+};
+
+static const struct rpmhpd_desc sm4450_desc = {
+	.rpmhpds = sm4450_rpmhpds,
+	.num_pds = ARRAY_SIZE(sm4450_rpmhpds),
+};
+
 /* SM6350 RPMH powerdomains */
 static struct rpmhpd *sm6350_rpmhpds[] = {
 	[SM6350_CX] = &cx_w_mx_parent,
···
 	{ .compatible = "qcom,sdx55-rpmhpd", .data = &sdx55_desc},
 	{ .compatible = "qcom,sdx65-rpmhpd", .data = &sdx65_desc},
 	{ .compatible = "qcom,sdx75-rpmhpd", .data = &sdx75_desc},
+	{ .compatible = "qcom,sm4450-rpmhpd", .data = &sm4450_desc },
 	{ .compatible = "qcom,sm6350-rpmhpd", .data = &sm6350_desc },
 	{ .compatible = "qcom,sm7150-rpmhpd", .data = &sm7150_desc },
 	{ .compatible = "qcom,sm8150-rpmhpd", .data = &sm8150_desc },

drivers/pmdomain/rockchip/pm-domains.c

···
 /*
  * Rockchip Generic power domain support.
  *
- * Copyright (c) 2015 ROCKCHIP, Co. Ltd.
+ * Copyright (c) 2015 Rockchip Electronics Co., Ltd.
  */
 
 #include <linux/arm-smccc.h>
···
 #include <dt-bindings/power/rk3366-power.h>
 #include <dt-bindings/power/rk3368-power.h>
 #include <dt-bindings/power/rk3399-power.h>
+#include <dt-bindings/power/rockchip,rk3562-power.h>
 #include <dt-bindings/power/rk3568-power.h>
 #include <dt-bindings/power/rockchip,rk3576-power.h>
 #include <dt-bindings/power/rk3588-power.h>
···
 	.active_wakeup = wakeup,			\
 }
 
+#define DOMAIN_M_G_SD(_name, pwr, status, req, idle, ack, g_mask, mem, wakeup, keepon)	\
+{							\
+	.name = _name,					\
+	.pwr_w_mask = (pwr) << 16,			\
+	.pwr_mask = (pwr),				\
+	.status_mask = (status),			\
+	.req_w_mask = (req) << 16,			\
+	.req_mask = (req),				\
+	.idle_mask = (idle),				\
+	.ack_mask = (ack),				\
+	.clk_ungate_mask = (g_mask),			\
+	.active_wakeup = wakeup,			\
+}
+
 #define DOMAIN_M_O_R(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, wakeup, regulator)	\
 {							\
 	.name = _name,					\
···
 
 #define DOMAIN_RK3399(name, pwr, status, req, wakeup)		\
 	DOMAIN(name, pwr, status, req, req, req, wakeup)
+
+#define DOMAIN_RK3562(name, pwr, req, g_mask, mem, wakeup)		\
+	DOMAIN_M_G_SD(name, pwr, pwr, req, req, req, g_mask, mem, wakeup, false)
 
 #define DOMAIN_RK3568(name, pwr, req, wakeup)		\
 	DOMAIN_M(name, pwr, pwr, req, req, req, wakeup)
···
 	[RK3399_PD_SDIOAUDIO]	= DOMAIN_RK3399("sdioaudio", BIT(31), BIT(31), BIT(29), true),
 };
 
+static const struct rockchip_domain_info rk3562_pm_domains[] = {
+					     /* name           pwr     req     g_mask  mem wakeup */
+	[RK3562_PD_GPU]		= DOMAIN_RK3562("gpu",         BIT(0), BIT(1), BIT(1), 0, false),
+	[RK3562_PD_NPU]		= DOMAIN_RK3562("npu",         BIT(1), BIT(2), BIT(2), 0, false),
+	[RK3562_PD_VDPU]	= DOMAIN_RK3562("vdpu",        BIT(2), BIT(6), BIT(6), 0, false),
+	[RK3562_PD_VEPU]	= DOMAIN_RK3562("vepu",        BIT(3), BIT(7), BIT(7) | BIT(3), 0, false),
+	[RK3562_PD_RGA]		= DOMAIN_RK3562("rga",         BIT(4), BIT(5), BIT(5) | BIT(4), 0, false),
+	[RK3562_PD_VI]		= DOMAIN_RK3562("vi",          BIT(5), BIT(3), BIT(3), 0, false),
+	[RK3562_PD_VO]		= DOMAIN_RK3562("vo",  BIT(6), BIT(4), BIT(4), 16, false),
+	[RK3562_PD_PHP]		= DOMAIN_RK3562("php",         BIT(7), BIT(8), BIT(8), 0, false),
+};
+
 static const struct rockchip_domain_info rk3568_pm_domains[] = {
 	[RK3568_PD_NPU]		= DOMAIN_RK3568("npu",  BIT(1), BIT(2),  false),
 	[RK3568_PD_GPU]		= DOMAIN_RK3568("gpu",  BIT(0), BIT(1),  false),
···
 	.domain_info = rk3399_pm_domains,
 };
 
+static const struct rockchip_pmu_info rk3562_pmu = {
+	.pwr_offset = 0x210,
+	.status_offset = 0x230,
+	.req_offset = 0x110,
+	.idle_offset = 0x128,
+	.ack_offset = 0x120,
+	.clk_ungate_offset = 0x140,
+
+	.num_domains = ARRAY_SIZE(rk3562_pm_domains),
+	.domain_info = rk3562_pm_domains,
+};
+
 static const struct rockchip_pmu_info rk3568_pmu = {
 	.pwr_offset = 0xa0,
 	.status_offset = 0x98,
···
 	{
 		.compatible = "rockchip,rk3399-power-controller",
 		.data = (void *)&rk3399_pmu,
+	},
+	{
+		.compatible = "rockchip,rk3562-power-controller",
+		.data = (void *)&rk3562_pmu,
 	},
 	{
 		.compatible = "rockchip,rk3568-power-controller",

drivers/pmdomain/sunxi/Kconfig

···
 	help
 	  Say y to enable the PPU power domain driver. This saves power
 	  when certain peripherals, such as the video engine, are idle.
+
+config SUN50I_H6_PRCM_PPU
+	tristate "Allwinner H6 PRCM power domain driver"
+	depends on ARCH_SUNXI || COMPILE_TEST
+	depends on PM
+	select PM_GENERIC_DOMAINS
+	help
+	  Say y to enable the Allwinner H6/H616 PRCM power domain driver.
+	  This is required to enable the Mali GPU in the H616 SoC, it is
+	  optional for the H6.

drivers/pmdomain/sunxi/Makefile

···
 # SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SUN20I_PPU)		+= sun20i-ppu.o
+obj-$(CONFIG_SUN50I_H6_PRCM_PPU)	+= sun50i-h6-prcm-ppu.o

drivers/pmdomain/sunxi/sun50i-h6-prcm-ppu.c

···
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) Arm Ltd. 2024
+ *
+ * Allwinner H6/H616 PRCM power domain driver.
+ * This covers a few registers inside the PRCM (Power Reset Clock Management)
+ * block that control some power rails, most prominently for the Mali GPU.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/reset.h>
+
+/*
+ * The PRCM block covers multiple devices, starting with some clocks,
+ * then followed by the power rails.
+ * The clocks are covered by a different driver, so this driver's MMIO range
+ * starts later in the PRCM MMIO frame, not at the beginning of it.
+ * To keep the register offsets consistent with other PRCM documentation,
+ * express the registers relative to the beginning of the whole PRCM, and
+ * subtract the PPU offset this driver is bound to.
+ */
+#define PD_H6_PPU_OFFSET		0x250
+#define PD_H6_VDD_SYS_REG		0x250
+#define PD_H616_ANA_VDD_GATE			BIT(4)
+#define PD_H6_CPUS_VDD_GATE			BIT(3)
+#define PD_H6_AVCC_VDD_GATE			BIT(2)
+#define PD_H6_GPU_REG			0x254
+#define PD_H6_GPU_GATE				BIT(0)
+
+struct sun50i_h6_ppu_pd {
+	struct generic_pm_domain	genpd;
+	void __iomem			*reg;
+	u32				gate_mask;
+	bool				negated;
+};
+
+#define FLAG_PPU_ALWAYS_ON	BIT(0)
+#define FLAG_PPU_NEGATED	BIT(1)
+
+struct sun50i_h6_ppu_desc {
+	const char *name;
+	u32 offset;
+	u32 mask;
+	unsigned int flags;
+};
+
+static const struct sun50i_h6_ppu_desc sun50i_h6_ppus[] = {
+	{ "AVCC", PD_H6_VDD_SYS_REG, PD_H6_AVCC_VDD_GATE },
+	{ "CPUS", PD_H6_VDD_SYS_REG, PD_H6_CPUS_VDD_GATE },
+	{ "GPU", PD_H6_GPU_REG, PD_H6_GPU_GATE },
+};
+static const struct sun50i_h6_ppu_desc sun50i_h616_ppus[] = {
+	{ "PLL", PD_H6_VDD_SYS_REG, PD_H6_AVCC_VDD_GATE,
+		FLAG_PPU_ALWAYS_ON | FLAG_PPU_NEGATED },
+	{ "ANA", PD_H6_VDD_SYS_REG, PD_H616_ANA_VDD_GATE, FLAG_PPU_ALWAYS_ON },
+	{ "GPU", PD_H6_GPU_REG, PD_H6_GPU_GATE, FLAG_PPU_NEGATED },
+};
+
+struct sun50i_h6_ppu_data {
+	const struct sun50i_h6_ppu_desc *descs;
+	int nr_domains;
+};
+
+static const struct sun50i_h6_ppu_data sun50i_h6_ppu_data = {
+	.descs = sun50i_h6_ppus,
+	.nr_domains = ARRAY_SIZE(sun50i_h6_ppus),
+};
+
+static const struct sun50i_h6_ppu_data sun50i_h616_ppu_data = {
+	.descs = sun50i_h616_ppus,
+	.nr_domains = ARRAY_SIZE(sun50i_h616_ppus),
+};
+
+#define to_sun50i_h6_ppu_pd(_genpd) \
+	container_of(_genpd, struct sun50i_h6_ppu_pd, genpd)
+
+static bool sun50i_h6_ppu_power_status(const struct sun50i_h6_ppu_pd *pd)
+{
+	bool bit = readl(pd->reg) & pd->gate_mask;
+
+	return bit ^ pd->negated;
+}
+
+static int sun50i_h6_ppu_pd_set_power(const struct sun50i_h6_ppu_pd *pd,
+				      bool set_bit)
+{
+	u32 reg = readl(pd->reg);
+
+	if (set_bit)
+		writel(reg | pd->gate_mask, pd->reg);
+	else
+		writel(reg & ~pd->gate_mask, pd->reg);
+
+	return 0;
+}
+
+static int sun50i_h6_ppu_pd_power_on(struct generic_pm_domain *genpd)
+{
+	const struct sun50i_h6_ppu_pd *pd = to_sun50i_h6_ppu_pd(genpd);
+
+	return sun50i_h6_ppu_pd_set_power(pd, !pd->negated);
+}
+
+static int sun50i_h6_ppu_pd_power_off(struct generic_pm_domain *genpd)
+{
+	const struct sun50i_h6_ppu_pd *pd = to_sun50i_h6_ppu_pd(genpd);
+
+	return sun50i_h6_ppu_pd_set_power(pd, pd->negated);
+}
+
+static int sun50i_h6_ppu_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct genpd_onecell_data *ppu;
+	struct sun50i_h6_ppu_pd *pds;
+	const struct sun50i_h6_ppu_data *data;
+	void __iomem *base;
+	int ret, i;
+
+	data = of_device_get_match_data(dev);
+	if (!data)
+		return -EINVAL;
+
+	pds = devm_kcalloc(dev, data->nr_domains, sizeof(*pds), GFP_KERNEL);
+	if (!pds)
+		return -ENOMEM;
+
+	ppu = devm_kzalloc(dev, sizeof(*ppu), GFP_KERNEL);
+	if (!ppu)
+		return -ENOMEM;
+
+	ppu->num_domains = data->nr_domains;
+	ppu->domains = devm_kcalloc(dev, data->nr_domains,
+				    sizeof(*ppu->domains), GFP_KERNEL);
+	if (!ppu->domains)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, ppu);
+
+	base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	for (i = 0; i < data->nr_domains; i++) {
+		struct sun50i_h6_ppu_pd *pd = &pds[i];
+		const struct sun50i_h6_ppu_desc *desc = &data->descs[i];
+
+		pd->genpd.name		= desc->name;
+		pd->genpd.power_off	= sun50i_h6_ppu_pd_power_off;
+		pd->genpd.power_on	= sun50i_h6_ppu_pd_power_on;
+		if (desc->flags & FLAG_PPU_ALWAYS_ON)
+			pd->genpd.flags = GENPD_FLAG_ALWAYS_ON;
+		pd->negated		= !!(desc->flags & FLAG_PPU_NEGATED);
+		pd->reg			= base + desc->offset - PD_H6_PPU_OFFSET;
+		pd->gate_mask		= desc->mask;
+
+		ret = pm_genpd_init(&pd->genpd, NULL,
+				    !sun50i_h6_ppu_power_status(pd));
+		if (ret) {
+			dev_warn(dev, "Failed to add %s power domain: %d\n",
+				 desc->name, ret);
+			goto out_remove_pds;
+		}
+		ppu->domains[i] = &pd->genpd;
+	}
+
+	ret = of_genpd_add_provider_onecell(dev->of_node, ppu);
+	if (!ret)
+		return 0;
+
+	dev_warn(dev, "Failed to add provider: %d\n", ret);
+out_remove_pds:
+	for (i--; i >= 0; i--)
+		pm_genpd_remove(&pds[i].genpd);
+
+	return ret;
+}
+
+static const struct of_device_id sun50i_h6_ppu_of_match[] = {
+	{ .compatible	= "allwinner,sun50i-h6-prcm-ppu",
+	  .data		= &sun50i_h6_ppu_data },
+	{ .compatible	= "allwinner,sun50i-h616-prcm-ppu",
+	  .data		= &sun50i_h616_ppu_data },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sun50i_h6_ppu_of_match);
+
+static struct platform_driver sun50i_h6_ppu_driver = {
+	.probe	= sun50i_h6_ppu_probe,
+	.driver	= {
+		.name			= "sun50i-h6-prcm-ppu",
+		.of_match_table		= sun50i_h6_ppu_of_match,
+		/* Power domains cannot be removed while they are in use. */
+		.suppress_bind_attrs	= true,
+	},
+};
+module_platform_driver(sun50i_h6_ppu_driver);
+
+MODULE_AUTHOR("Andre Przywara <[e-mail]>");
+MODULE_DESCRIPTION("Allwinner H6 PRCM power domain driver");
+MODULE_LICENSE("GPL");

drivers/pmdomain/ti/omap_prm.c

···
 #include <linux/pm_domain.h>
 #include <linux/reset-controller.h>
 #include <linux/delay.h>
-
+#if IS_ENABLED(CONFIG_SUSPEND)
+#include <linux/suspend.h>
+#endif
 #include <linux/platform_data/ti-prm.h>
 
 enum omap_prm_domain_mode {
···
 #define OMAP_PRM_HAS_RSTST	BIT(1)
 #define OMAP_PRM_HAS_NO_CLKDM	BIT(2)
 #define OMAP_PRM_RET_WHEN_IDLE	BIT(3)
+#define OMAP_PRM_ON_WHEN_STANDBY	BIT(4)
 
 #define OMAP_PRM_HAS_RESETS	(OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_RSTST)
 
···
 		.name = "per", .base = 0x44e00c00,
 		.pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact,
 		.rstctrl = 0x0, .rstmap = am3_per_rst_map,
-		.flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp"
+		.flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_ON_WHEN_STANDBY,
+		.clkdm_name = "pruss_ocp",
 	},
 	{
 		.name = "wkup", .base = 0x44e00d00,

include/dt-bindings/power/mediatek,mt6893-power.h

···
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Copyright (c) 2025 Collabora Ltd
+ *                    AngeloGioacchino Del Regno <[e-mail]>
+ */
+
+#ifndef _DT_BINDINGS_POWER_MT6893_POWER_H
+#define _DT_BINDINGS_POWER_MT6893_POWER_H
+
+#define MT6893_POWER_DOMAIN_CONN		0
+#define MT6893_POWER_DOMAIN_MFG0		1
+#define MT6893_POWER_DOMAIN_MFG1		2
+#define MT6893_POWER_DOMAIN_MFG2		3
+#define MT6893_POWER_DOMAIN_MFG3		4
+#define MT6893_POWER_DOMAIN_MFG4		5
+#define MT6893_POWER_DOMAIN_MFG5		6
+#define MT6893_POWER_DOMAIN_MFG6		7
+#define MT6893_POWER_DOMAIN_ISP			8
+#define MT6893_POWER_DOMAIN_ISP2		9
+#define MT6893_POWER_DOMAIN_IPE			10
+#define MT6893_POWER_DOMAIN_VDEC0		11
+#define MT6893_POWER_DOMAIN_VDEC1		12
+#define MT6893_POWER_DOMAIN_VENC0		13
+#define MT6893_POWER_DOMAIN_VENC1		14
+#define MT6893_POWER_DOMAIN_MDP			15
+#define MT6893_POWER_DOMAIN_DISP		16
+#define MT6893_POWER_DOMAIN_AUDIO		17
+#define MT6893_POWER_DOMAIN_ADSP		18
+#define MT6893_POWER_DOMAIN_CAM			19
+#define MT6893_POWER_DOMAIN_CAM_RAWA		20
+#define MT6893_POWER_DOMAIN_CAM_RAWB		21
+#define MT6893_POWER_DOMAIN_CAM_RAWC		22
+#define MT6893_POWER_DOMAIN_DP_TX		23
+
+#endif /* _DT_BINDINGS_POWER_MT6893_POWER_H */

include/dt-bindings/power/rockchip,rk3562-power.h

···
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2022-2024 Rockchip Electronics Co., Ltd.
+ */
+#ifndef __DT_BINDINGS_POWER_RK3562_POWER_H__
+#define __DT_BINDINGS_POWER_RK3562_POWER_H__
+
+/* VD_CORE */
+#define RK3562_PD_CPU_0		0
+#define RK3562_PD_CPU_1		1
+#define RK3562_PD_CPU_2		2
+#define RK3562_PD_CPU_3		3
+#define RK3562_PD_CORE_ALIVE	4
+
+/* VD_PMU */
+#define RK3562_PD_PMU		5
+#define RK3562_PD_PMU_ALIVE	6
+
+/* VD_NPU */
+#define RK3562_PD_NPU		7
+
+/* VD_GPU */
+#define RK3562_PD_GPU		8
+
+/* VD_LOGIC */
+#define RK3562_PD_DDR		9
+#define RK3562_PD_VEPU		10
+#define RK3562_PD_VDPU		11
+#define RK3562_PD_VI		12
+#define RK3562_PD_VO		13
+#define RK3562_PD_RGA		14
+#define RK3562_PD_PHP		15
+#define RK3562_PD_LOGIC_ALIVE	16
+
+#endif

include/linux/pm_domain.h

···
 	bool max_off_time_changed;
 	ktime_t next_wakeup;
 	ktime_t next_hrtimer;
+	ktime_t last_enter;
+	bool reflect_residency;
 	bool cached_power_down_ok;
 	bool cached_power_down_state_idx;
 };
···
 	s64 residency_ns;
 	u64 usage;
 	u64 rejected;
+	u64 above;
+	u64 below;
 	struct fwnode_handle *fwnode;
 	u64 idle_time;
 	void *data;
···
 int pm_genpd_init(struct generic_pm_domain *genpd,
 		  struct dev_power_governor *gov, bool is_off);
 int pm_genpd_remove(struct generic_pm_domain *genpd);
+void pm_genpd_inc_rejected(struct generic_pm_domain *genpd,
+			   unsigned int state_idx);
 struct device *dev_to_genpd_dev(struct device *dev);
 int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state);
 int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb);
···
 {
 	return -EOPNOTSUPP;
 }
+
+static inline void pm_genpd_inc_rejected(struct generic_pm_domain *genpd,
+					 unsigned int state_idx)
+{ }
 
 static inline struct device *dev_to_genpd_dev(struct device *dev)
 {