Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 1147 insertions, 0 deletions

diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
new file mode 100644
index 000000000..7a6688881
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -0,0 +1,1147 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2015 Pengutronix, Sascha Hauer <kernel@pengutronix.de>
+ */
+#include <linux/clk.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
+#include <linux/regulator/consumer.h>
+#include <linux/soc/mediatek/infracfg.h>
+
+#include <dt-bindings/power/mt2701-power.h>
+#include <dt-bindings/power/mt2712-power.h>
+#include <dt-bindings/power/mt6797-power.h>
+#include <dt-bindings/power/mt7622-power.h>
+#include <dt-bindings/power/mt7623a-power.h>
+#include <dt-bindings/power/mt8173-power.h>
+
+#define MTK_POLL_DELAY_US   10
+#define MTK_POLL_TIMEOUT    USEC_PER_SEC
+
+#define MTK_SCPD_ACTIVE_WAKEUP		BIT(0)
+#define MTK_SCPD_FWAIT_SRAM		BIT(1)
+#define MTK_SCPD_CAPS(_scpd, _x)	((_scpd)->data->caps & (_x))
+
+#define SPM_VDE_PWR_CON			0x0210
+#define SPM_MFG_PWR_CON			0x0214
+#define SPM_VEN_PWR_CON			0x0230
+#define SPM_ISP_PWR_CON			0x0238
+#define SPM_DIS_PWR_CON			0x023c
+#define SPM_CONN_PWR_CON		0x0280
+#define SPM_VEN2_PWR_CON		0x0298
+#define SPM_AUDIO_PWR_CON		0x029c	/* MT8173, MT2712 */
+#define SPM_BDP_PWR_CON			0x029c	/* MT2701 */
+#define SPM_ETH_PWR_CON			0x02a0
+#define SPM_HIF_PWR_CON			0x02a4
+#define SPM_IFR_MSC_PWR_CON		0x02a8
+#define SPM_MFG_2D_PWR_CON		0x02c0
+#define SPM_MFG_ASYNC_PWR_CON		0x02c4
+#define SPM_USB_PWR_CON			0x02cc
+#define SPM_USB2_PWR_CON		0x02d4	/* MT2712 */
+#define SPM_ETHSYS_PWR_CON		0x02e0	/* MT7622 */
+#define SPM_HIF0_PWR_CON		0x02e4	/* MT7622 */
+#define SPM_HIF1_PWR_CON		0x02e8	/* MT7622 */
+#define SPM_WB_PWR_CON			0x02ec	/* MT7622 */
+
+#define SPM_PWR_STATUS			0x060c
+#define SPM_PWR_STATUS_2ND		0x0610
+
+#define PWR_RST_B_BIT			BIT(0)
+#define PWR_ISO_BIT			BIT(1)
+#define PWR_ON_BIT			BIT(2)
+#define PWR_ON_2ND_BIT			BIT(3)
+#define PWR_CLK_DIS_BIT			BIT(4)
+
+#define PWR_STATUS_CONN			BIT(1)
+#define PWR_STATUS_DISP			BIT(3)
+#define PWR_STATUS_MFG			BIT(4)
+#define PWR_STATUS_ISP			BIT(5)
+#define PWR_STATUS_VDEC			BIT(7)
+#define PWR_STATUS_BDP			BIT(14)
+#define PWR_STATUS_ETH			BIT(15)
+#define PWR_STATUS_HIF			BIT(16)
+#define PWR_STATUS_IFR_MSC		BIT(17)
+#define PWR_STATUS_USB2			BIT(19)	/* MT2712 */
+#define PWR_STATUS_VENC_LT		BIT(20)
+#define PWR_STATUS_VENC			BIT(21)
+#define PWR_STATUS_MFG_2D		BIT(22)	/* MT8173 */
+#define PWR_STATUS_MFG_ASYNC		BIT(23)	/* MT8173 */
+#define PWR_STATUS_AUDIO		BIT(24)	/* MT8173, MT2712 */
+#define PWR_STATUS_USB			BIT(25)	/* MT8173, MT2712 */
+#define PWR_STATUS_ETHSYS		BIT(24)	/* MT7622 */
+#define PWR_STATUS_HIF0			BIT(25)	/* MT7622 */
+#define PWR_STATUS_HIF1			BIT(26)	/* MT7622 */
+#define PWR_STATUS_WB			BIT(27)	/* MT7622 */
+
+enum clk_id {
+	CLK_NONE,
+	CLK_MM,
+	CLK_MFG,
+	CLK_VENC,
+	CLK_VENC_LT,
+	CLK_ETHIF,
+	CLK_VDEC,
+	CLK_HIFSEL,
+	CLK_JPGDEC,
+	CLK_AUDIO,
+	CLK_MAX,
+};
+
+static const char * const clk_names[] = {
+	NULL,
+	"mm",
+	"mfg",
+	"venc",
+	"venc_lt",
+	"ethif",
+	"vdec",
+	"hif_sel",
+	"jpgdec",
+	"audio",
+	NULL,
+};
+
+#define MAX_CLKS	3
+
+/**
+ * struct scp_domain_data - scp domain data for power on/off flow
+ * @name: The domain name.
+ * @sta_mask: The mask for power on/off status bit.
+ * @ctl_offs: The offset for main power control register.
+ * @sram_pdn_bits: The mask for sram power control bits.
+ * @sram_pdn_ack_bits: The mask for sram power control acked bits.
+ * @bus_prot_mask: The mask for single step bus protection.
+ * @clk_id: The basic clocks required by this power domain.
+ * @caps: The flag for active wake-up action.
+ */
+struct scp_domain_data {
+	const char *name;
+	u32 sta_mask;
+	int ctl_offs;
+	u32 sram_pdn_bits;
+	u32 sram_pdn_ack_bits;
+	u32 bus_prot_mask;
+	enum clk_id clk_id[MAX_CLKS];
+	u8 caps;
+};
+
+struct scp;
+
+struct scp_domain {
+	struct generic_pm_domain genpd;
+	struct scp *scp;
+	struct clk *clk[MAX_CLKS];
+	const struct scp_domain_data *data;
+	struct regulator *supply;
+};
+
+struct scp_ctrl_reg {
+	int pwr_sta_offs;
+	int pwr_sta2nd_offs;
+};
+
+struct scp {
+	struct scp_domain *domains;
+	struct genpd_onecell_data pd_data;
+	struct device *dev;
+	void __iomem *base;
+	struct regmap *infracfg;
+	struct scp_ctrl_reg ctrl_reg;
+	bool bus_prot_reg_update;
+};
+
+struct scp_subdomain {
+	int origin;
+	int subdomain;
+};
+
+struct scp_soc_data {
+	const struct scp_domain_data *domains;
+	int num_domains;
+	const struct scp_subdomain *subdomains;
+	int num_subdomains;
+	const struct scp_ctrl_reg regs;
+	bool bus_prot_reg_update;
+};
+
+static int scpsys_domain_is_on(struct scp_domain *scpd)
+{
+	struct scp *scp = scpd->scp;
+
+	u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) &
+						scpd->data->sta_mask;
+	u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) &
+						scpd->data->sta_mask;
+
+	/*
+	 * A domain is on when both status bits are set. If only one is set
+	 * return an error. This happens while powering up a domain
+	 */
+
+	if (status && status2)
+		return true;
+	if (!status && !status2)
+		return false;
+
+	return -EINVAL;
+}
+
+static int scpsys_regulator_enable(struct scp_domain *scpd)
+{
+	if (!scpd->supply)
+		return 0;
+
+	return regulator_enable(scpd->supply);
+}
+
+static int scpsys_regulator_disable(struct scp_domain *scpd)
+{
+	if (!scpd->supply)
+		return 0;
+
+	return regulator_disable(scpd->supply);
+}
+
+static void scpsys_clk_disable(struct clk *clk[], int max_num)
+{
+	int i;
+
+	for (i = max_num - 1; i >= 0; i--)
+		clk_disable_unprepare(clk[i]);
+}
+
+static int scpsys_clk_enable(struct clk *clk[], int max_num)
+{
+	int i, ret = 0;
+
+	for (i = 0; i < max_num && clk[i]; i++) {
+		ret = clk_prepare_enable(clk[i]);
+		if (ret) {
+			scpsys_clk_disable(clk, i);
+			break;
+		}
+	}
+
+	return ret;
+}
+
+static int scpsys_sram_enable(struct scp_domain *scpd, void __iomem *ctl_addr)
+{
+	u32 val;
+	u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
+	int tmp;
+
+	val = readl(ctl_addr);
+	val &= ~scpd->data->sram_pdn_bits;
+	writel(val, ctl_addr);
+
+	/* Either wait until SRAM_PDN_ACK all 0 or have a force wait */
+	if (MTK_SCPD_CAPS(scpd, MTK_SCPD_FWAIT_SRAM)) {
+		/*
+		 * Currently, MTK_SCPD_FWAIT_SRAM is necessary only for
+		 * MT7622_POWER_DOMAIN_WB and thus just a trivial setup
+		 * is applied here.
+		 */
+		usleep_range(12000, 12100);
+	} else {
+		/* Either wait until SRAM_PDN_ACK all 1 or 0 */
+		int ret = readl_poll_timeout(ctl_addr, tmp,
+				(tmp & pdn_ack) == 0,
+				MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr)
+{
+	u32 val;
+	u32 pdn_ack = scpd->data->sram_pdn_ack_bits;
+	int tmp;
+
+	val = readl(ctl_addr);
+	val |= scpd->data->sram_pdn_bits;
+	writel(val, ctl_addr);
+
+	/* Either wait until SRAM_PDN_ACK all 1 or 0 */
+	return readl_poll_timeout(ctl_addr, tmp,
+			(tmp & pdn_ack) == pdn_ack,
+			MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+}
+
+static int scpsys_bus_protect_enable(struct scp_domain *scpd)
+{
+	struct scp *scp = scpd->scp;
+
+	if (!scpd->data->bus_prot_mask)
+		return 0;
+
+	return mtk_infracfg_set_bus_protection(scp->infracfg,
+			scpd->data->bus_prot_mask,
+			scp->bus_prot_reg_update);
+}
+
+static int scpsys_bus_protect_disable(struct scp_domain *scpd)
+{
+	struct scp *scp = scpd->scp;
+
+	if (!scpd->data->bus_prot_mask)
+		return 0;
+
+	return mtk_infracfg_clear_bus_protection(scp->infracfg,
+			scpd->data->bus_prot_mask,
+			scp->bus_prot_reg_update);
+}
+
+static int scpsys_power_on(struct generic_pm_domain *genpd)
+{
+	struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
+	struct scp *scp = scpd->scp;
+	void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
+	u32 val;
+	int ret, tmp;
+
+	ret = scpsys_regulator_enable(scpd);
+	if (ret < 0)
+		return ret;
+
+	ret = scpsys_clk_enable(scpd->clk, MAX_CLKS);
+	if (ret)
+		goto err_clk;
+
+	/* subsys power on */
+	val = readl(ctl_addr);
+	val |= PWR_ON_BIT;
+	writel(val, ctl_addr);
+	val |= PWR_ON_2ND_BIT;
+	writel(val, ctl_addr);
+
+	/* wait until PWR_ACK = 1 */
+	ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp > 0,
+				 MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+	if (ret < 0)
+		goto err_pwr_ack;
+
+	val &= ~PWR_CLK_DIS_BIT;
+	writel(val, ctl_addr);
+
+	val &= ~PWR_ISO_BIT;
+	writel(val, ctl_addr);
+
+	val |= PWR_RST_B_BIT;
+	writel(val, ctl_addr);
+
+	ret = scpsys_sram_enable(scpd, ctl_addr);
+	if (ret < 0)
+		goto err_pwr_ack;
+
+	ret = scpsys_bus_protect_disable(scpd);
+	if (ret < 0)
+		goto err_pwr_ack;
+
+	return 0;
+
+err_pwr_ack:
+	scpsys_clk_disable(scpd->clk, MAX_CLKS);
+err_clk:
+	scpsys_regulator_disable(scpd);
+
+	dev_err(scp->dev, "Failed to power on domain %s\n", genpd->name);
+
+	return ret;
+}
+
+static int scpsys_power_off(struct generic_pm_domain *genpd)
+{
+	struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
+	struct scp *scp = scpd->scp;
+	void __iomem *ctl_addr = scp->base + scpd->data->ctl_offs;
+	u32 val;
+	int ret, tmp;
+
+	ret = scpsys_bus_protect_enable(scpd);
+	if (ret < 0)
+		goto out;
+
+	ret = scpsys_sram_disable(scpd, ctl_addr);
+	if (ret < 0)
+		goto out;
+
+	/* subsys power off */
+	val = readl(ctl_addr);
+	val |= PWR_ISO_BIT;
+	writel(val, ctl_addr);
+
+	val &= ~PWR_RST_B_BIT;
+	writel(val, ctl_addr);
+
+	val |= PWR_CLK_DIS_BIT;
+	writel(val, ctl_addr);
+
+	val &= ~PWR_ON_BIT;
+	writel(val, ctl_addr);
+
+	val &= ~PWR_ON_2ND_BIT;
+	writel(val, ctl_addr);
+
+	/* wait until PWR_ACK = 0 */
+	ret = readx_poll_timeout(scpsys_domain_is_on, scpd, tmp, tmp == 0,
+				 MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
+	if (ret < 0)
+		goto out;
+
+	scpsys_clk_disable(scpd->clk, MAX_CLKS);
+
+	ret = scpsys_regulator_disable(scpd);
+	if (ret < 0)
+		goto out;
+
+	return 0;
+
+out:
+	dev_err(scp->dev, "Failed to power off domain %s\n", genpd->name);
+
+	return ret;
+}
+
+static void init_clks(struct platform_device *pdev, struct clk **clk)
+{
+	int i;
+
+	for (i = CLK_NONE + 1; i < CLK_MAX; i++)
+		clk[i] = devm_clk_get(&pdev->dev, clk_names[i]);
+}
+
+static struct scp *init_scp(struct platform_device *pdev,
+			const struct scp_domain_data *scp_domain_data, int num,
+			const struct scp_ctrl_reg *scp_ctrl_reg,
+			bool bus_prot_reg_update)
+{
+	struct genpd_onecell_data *pd_data;
+	struct resource *res;
+	int i, j;
+	struct scp *scp;
+	struct clk *clk[CLK_MAX];
+
+	scp = devm_kzalloc(&pdev->dev, sizeof(*scp), GFP_KERNEL);
+	if (!scp)
+		return ERR_PTR(-ENOMEM);
+
+	scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
+	scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
+
+	scp->bus_prot_reg_update = bus_prot_reg_update;
+
+	scp->dev = &pdev->dev;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	scp->base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(scp->base))
+		return ERR_CAST(scp->base);
+
+	scp->domains = devm_kcalloc(&pdev->dev,
+				num, sizeof(*scp->domains), GFP_KERNEL);
+	if (!scp->domains)
+		return ERR_PTR(-ENOMEM);
+
+	pd_data = &scp->pd_data;
+
+	pd_data->domains = devm_kcalloc(&pdev->dev,
+			num, sizeof(*pd_data->domains), GFP_KERNEL);
+	if (!pd_data->domains)
+		return ERR_PTR(-ENOMEM);
+
+	scp->infracfg = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
+			"infracfg");
+	if (IS_ERR(scp->infracfg)) {
+		dev_err(&pdev->dev, "Cannot find infracfg controller: %ld\n",
+				PTR_ERR(scp->infracfg));
+		return ERR_CAST(scp->infracfg);
+	}
+
+	for (i = 0; i < num; i++) {
+		struct scp_domain *scpd = &scp->domains[i];
+		const struct scp_domain_data *data = &scp_domain_data[i];
+
+		scpd->supply = devm_regulator_get_optional(&pdev->dev, data->name);
+		if (IS_ERR(scpd->supply)) {
+			if (PTR_ERR(scpd->supply) == -ENODEV)
+				scpd->supply = NULL;
+			else
+				return ERR_CAST(scpd->supply);
+		}
+	}
+
+	pd_data->num_domains = num;
+
+	init_clks(pdev, clk);
+
+	for (i = 0; i < num; i++) {
+		struct scp_domain *scpd = &scp->domains[i];
+		struct generic_pm_domain *genpd = &scpd->genpd;
+		const struct scp_domain_data *data = &scp_domain_data[i];
+
+		pd_data->domains[i] = genpd;
+		scpd->scp = scp;
+
+		scpd->data = data;
+
+		for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) {
+			struct clk *c = clk[data->clk_id[j]];
+
+			if (IS_ERR(c)) {
+				dev_err(&pdev->dev, "%s: clk unavailable\n",
+					data->name);
+				return ERR_CAST(c);
+			}
+
+			scpd->clk[j] = c;
+		}
+
+		genpd->name = data->name;
+		genpd->power_off = scpsys_power_off;
+		genpd->power_on = scpsys_power_on;
+		if (MTK_SCPD_CAPS(scpd, MTK_SCPD_ACTIVE_WAKEUP))
+			genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP;
+	}
+
+	return scp;
+}
+
+static void mtk_register_power_domains(struct platform_device *pdev,
+				struct scp *scp, int num)
+{
+	struct genpd_onecell_data *pd_data;
+	int i, ret;
+
+	for (i = 0; i < num; i++) {
+		struct scp_domain *scpd = &scp->domains[i];
+		struct generic_pm_domain *genpd = &scpd->genpd;
+		bool on;
+
+		/*
+		 * Initially turn on all domains to make the domains usable
+		 * with !CONFIG_PM and to get the hardware in sync with the
+		 * software.  The unused domains will be switched off during
+		 * late_init time.
+		 */
+		on = !WARN_ON(genpd->power_on(genpd) < 0);
+
+		pm_genpd_init(genpd, NULL, !on);
+	}
+
+	/*
+	 * We are not allowed to fail here since there is no way to unregister
+	 * a power domain. Once registered above we have to keep the domains
+	 * valid.
+	 */
+
+	pd_data = &scp->pd_data;
+
+	ret = of_genpd_add_provider_onecell(pdev->dev.of_node, pd_data);
+	if (ret)
+		dev_err(&pdev->dev, "Failed to add OF provider: %d\n", ret);
+}
+
+/*
+ * MT2701 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt2701[] = {
+	[MT2701_POWER_DOMAIN_CONN] = {
+		.name = "conn",
+		.sta_mask = PWR_STATUS_CONN,
+		.ctl_offs = SPM_CONN_PWR_CON,
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+				 MT2701_TOP_AXI_PROT_EN_CONN_S,
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_DISP] = {
+		.name = "disp",
+		.sta_mask = PWR_STATUS_DISP,
+		.ctl_offs = SPM_DIS_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.clk_id = {CLK_MM},
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_MFG] = {
+		.name = "mfg",
+		.sta_mask = PWR_STATUS_MFG,
+		.ctl_offs = SPM_MFG_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MFG},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_VDEC] = {
+		.name = "vdec",
+		.sta_mask = PWR_STATUS_VDEC,
+		.ctl_offs = SPM_VDE_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_ISP] = {
+		.name = "isp",
+		.sta_mask = PWR_STATUS_ISP,
+		.ctl_offs = SPM_ISP_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(13, 12),
+		.clk_id = {CLK_MM},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_BDP] = {
+		.name = "bdp",
+		.sta_mask = PWR_STATUS_BDP,
+		.ctl_offs = SPM_BDP_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_ETH] = {
+		.name = "eth",
+		.sta_mask = PWR_STATUS_ETH,
+		.ctl_offs = SPM_ETH_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_ETHIF},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_HIF] = {
+		.name = "hif",
+		.sta_mask = PWR_STATUS_HIF,
+		.ctl_offs = SPM_HIF_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_ETHIF},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2701_POWER_DOMAIN_IFR_MSC] = {
+		.name = "ifr_msc",
+		.sta_mask = PWR_STATUS_IFR_MSC,
+		.ctl_offs = SPM_IFR_MSC_PWR_CON,
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+};
+
+/*
+ * MT2712 power domain support
+ */
+static const struct scp_domain_data scp_domain_data_mt2712[] = {
+	[MT2712_POWER_DOMAIN_MM] = {
+		.name = "mm",
+		.sta_mask = PWR_STATUS_DISP,
+		.ctl_offs = SPM_DIS_PWR_CON,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_VDEC] = {
+		.name = "vdec",
+		.sta_mask = PWR_STATUS_VDEC,
+		.ctl_offs = SPM_VDE_PWR_CON,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM, CLK_VDEC},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_VENC] = {
+		.name = "venc",
+		.sta_mask = PWR_STATUS_VENC,
+		.ctl_offs = SPM_VEN_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_MM, CLK_VENC, CLK_JPGDEC},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_ISP] = {
+		.name = "isp",
+		.sta_mask = PWR_STATUS_ISP,
+		.ctl_offs = SPM_ISP_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(13, 12),
+		.clk_id = {CLK_MM},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_AUDIO] = {
+		.name = "audio",
+		.sta_mask = PWR_STATUS_AUDIO,
+		.ctl_offs = SPM_AUDIO_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_AUDIO},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_USB] = {
+		.name = "usb",
+		.sta_mask = PWR_STATUS_USB,
+		.ctl_offs = SPM_USB_PWR_CON,
+		.sram_pdn_bits = GENMASK(10, 8),
+		.sram_pdn_ack_bits = GENMASK(14, 12),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_USB2] = {
+		.name = "usb2",
+		.sta_mask = PWR_STATUS_USB2,
+		.ctl_offs = SPM_USB2_PWR_CON,
+		.sram_pdn_bits = GENMASK(10, 8),
+		.sram_pdn_ack_bits = GENMASK(14, 12),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_MFG] = {
+		.name = "mfg",
+		.sta_mask = PWR_STATUS_MFG,
+		.ctl_offs = SPM_MFG_PWR_CON,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(16, 16),
+		.clk_id = {CLK_MFG},
+		.bus_prot_mask = BIT(14) | BIT(21) | BIT(23),
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_MFG_SC1] = {
+		.name = "mfg_sc1",
+		.sta_mask = BIT(22),
+		.ctl_offs = 0x02c0,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(16, 16),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_MFG_SC2] = {
+		.name = "mfg_sc2",
+		.sta_mask = BIT(23),
+		.ctl_offs = 0x02c4,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(16, 16),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT2712_POWER_DOMAIN_MFG_SC3] = {
+		.name = "mfg_sc3",
+		.sta_mask = BIT(30),
+		.ctl_offs = 0x01f8,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(16, 16),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+};
+
+static const struct scp_subdomain scp_subdomain_mt2712[] = {
+	{MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VDEC},
+	{MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_VENC},
+	{MT2712_POWER_DOMAIN_MM, MT2712_POWER_DOMAIN_ISP},
+	{MT2712_POWER_DOMAIN_MFG, MT2712_POWER_DOMAIN_MFG_SC1},
+	{MT2712_POWER_DOMAIN_MFG_SC1, MT2712_POWER_DOMAIN_MFG_SC2},
+	{MT2712_POWER_DOMAIN_MFG_SC2, MT2712_POWER_DOMAIN_MFG_SC3},
+};
+
+/*
+ * MT6797 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt6797[] = {
+	[MT6797_POWER_DOMAIN_VDEC] = {
+		.name = "vdec",
+		.sta_mask = BIT(7),
+		.ctl_offs = 0x300,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_VDEC},
+	},
+	[MT6797_POWER_DOMAIN_VENC] = {
+		.name = "venc",
+		.sta_mask = BIT(21),
+		.ctl_offs = 0x304,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT6797_POWER_DOMAIN_ISP] = {
+		.name = "isp",
+		.sta_mask = BIT(5),
+		.ctl_offs = 0x308,
+		.sram_pdn_bits = GENMASK(9, 8),
+		.sram_pdn_ack_bits = GENMASK(13, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT6797_POWER_DOMAIN_MM] = {
+		.name = "mm",
+		.sta_mask = BIT(3),
+		.ctl_offs = 0x30C,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM},
+		.bus_prot_mask = (BIT(1) | BIT(2)),
+	},
+	[MT6797_POWER_DOMAIN_AUDIO] = {
+		.name = "audio",
+		.sta_mask = BIT(24),
+		.ctl_offs = 0x314,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT6797_POWER_DOMAIN_MFG_ASYNC] = {
+		.name = "mfg_async",
+		.sta_mask = BIT(13),
+		.ctl_offs = 0x334,
+		.sram_pdn_bits = 0,
+		.sram_pdn_ack_bits = 0,
+		.clk_id = {CLK_MFG},
+	},
+	[MT6797_POWER_DOMAIN_MJC] = {
+		.name = "mjc",
+		.sta_mask = BIT(20),
+		.ctl_offs = 0x310,
+		.sram_pdn_bits = GENMASK(8, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_NONE},
+	},
+};
+
+#define SPM_PWR_STATUS_MT6797		0x0180
+#define SPM_PWR_STATUS_2ND_MT6797	0x0184
+
+static const struct scp_subdomain scp_subdomain_mt6797[] = {
+	{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
+	{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
+	{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
+	{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
+};
+
+/*
+ * MT7622 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt7622[] = {
+	[MT7622_POWER_DOMAIN_ETHSYS] = {
+		.name = "ethsys",
+		.sta_mask = PWR_STATUS_ETHSYS,
+		.ctl_offs = SPM_ETHSYS_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+		.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT7622_POWER_DOMAIN_HIF0] = {
+		.name = "hif0",
+		.sta_mask = PWR_STATUS_HIF0,
+		.ctl_offs = SPM_HIF0_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_HIFSEL},
+		.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT7622_POWER_DOMAIN_HIF1] = {
+		.name = "hif1",
+		.sta_mask = PWR_STATUS_HIF1,
+		.ctl_offs = SPM_HIF1_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_HIFSEL},
+		.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT7622_POWER_DOMAIN_WB] = {
+		.name = "wb",
+		.sta_mask = PWR_STATUS_WB,
+		.ctl_offs = SPM_WB_PWR_CON,
+		.sram_pdn_bits = 0,
+		.sram_pdn_ack_bits = 0,
+		.clk_id = {CLK_NONE},
+		.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
+		.caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_FWAIT_SRAM,
+	},
+};
+
+/*
+ * MT7623A power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt7623a[] = {
+	[MT7623A_POWER_DOMAIN_CONN] = {
+		.name = "conn",
+		.sta_mask = PWR_STATUS_CONN,
+		.ctl_offs = SPM_CONN_PWR_CON,
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+				 MT2701_TOP_AXI_PROT_EN_CONN_S,
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT7623A_POWER_DOMAIN_ETH] = {
+		.name = "eth",
+		.sta_mask = PWR_STATUS_ETH,
+		.ctl_offs = SPM_ETH_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_ETHIF},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT7623A_POWER_DOMAIN_HIF] = {
+		.name = "hif",
+		.sta_mask = PWR_STATUS_HIF,
+		.ctl_offs = SPM_HIF_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_ETHIF},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT7623A_POWER_DOMAIN_IFR_MSC] = {
+		.name = "ifr_msc",
+		.sta_mask = PWR_STATUS_IFR_MSC,
+		.ctl_offs = SPM_IFR_MSC_PWR_CON,
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+};
+
+/*
+ * MT8173 power domain support
+ */
+
+static const struct scp_domain_data scp_domain_data_mt8173[] = {
+	[MT8173_POWER_DOMAIN_VDEC] = {
+		.name = "vdec",
+		.sta_mask = PWR_STATUS_VDEC,
+		.ctl_offs = SPM_VDE_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM},
+	},
+	[MT8173_POWER_DOMAIN_VENC] = {
+		.name = "venc",
+		.sta_mask = PWR_STATUS_VENC,
+		.ctl_offs = SPM_VEN_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_MM, CLK_VENC},
+	},
+	[MT8173_POWER_DOMAIN_ISP] = {
+		.name = "isp",
+		.sta_mask = PWR_STATUS_ISP,
+		.ctl_offs = SPM_ISP_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(13, 12),
+		.clk_id = {CLK_MM},
+	},
+	[MT8173_POWER_DOMAIN_MM] = {
+		.name = "mm",
+		.sta_mask = PWR_STATUS_DISP,
+		.ctl_offs = SPM_DIS_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(12, 12),
+		.clk_id = {CLK_MM},
+		.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
+			MT8173_TOP_AXI_PROT_EN_MM_M1,
+	},
+	[MT8173_POWER_DOMAIN_VENC_LT] = {
+		.name = "venc_lt",
+		.sta_mask = PWR_STATUS_VENC_LT,
+		.ctl_offs = SPM_VEN2_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_MM, CLK_VENC_LT},
+	},
+	[MT8173_POWER_DOMAIN_AUDIO] = {
+		.name = "audio",
+		.sta_mask = PWR_STATUS_AUDIO,
+		.ctl_offs = SPM_AUDIO_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT8173_POWER_DOMAIN_USB] = {
+		.name = "usb",
+		.sta_mask = PWR_STATUS_USB,
+		.ctl_offs = SPM_USB_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(15, 12),
+		.clk_id = {CLK_NONE},
+		.caps = MTK_SCPD_ACTIVE_WAKEUP,
+	},
+	[MT8173_POWER_DOMAIN_MFG_ASYNC] = {
+		.name = "mfg_async",
+		.sta_mask = PWR_STATUS_MFG_ASYNC,
+		.ctl_offs = SPM_MFG_ASYNC_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = 0,
+		.clk_id = {CLK_MFG},
+	},
+	[MT8173_POWER_DOMAIN_MFG_2D] = {
+		.name = "mfg_2d",
+		.sta_mask = PWR_STATUS_MFG_2D,
+		.ctl_offs = SPM_MFG_2D_PWR_CON,
+		.sram_pdn_bits = GENMASK(11, 8),
+		.sram_pdn_ack_bits = GENMASK(13, 12),
+		.clk_id = {CLK_NONE},
+	},
+	[MT8173_POWER_DOMAIN_MFG] = {
+		.name = "mfg",
+		.sta_mask = PWR_STATUS_MFG,
+		.ctl_offs = SPM_MFG_PWR_CON,
+		.sram_pdn_bits = GENMASK(13, 8),
+		.sram_pdn_ack_bits = GENMASK(21, 16),
+		.clk_id = {CLK_NONE},
+		.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
+			MT8173_TOP_AXI_PROT_EN_MFG_M0 |
+			MT8173_TOP_AXI_PROT_EN_MFG_M1 |
+			MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT,
+	},
+};
+
+static const struct scp_subdomain scp_subdomain_mt8173[] = {
+	{MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
+	{MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
+};
+
+static const struct scp_soc_data mt2701_data = {
+	.domains = scp_domain_data_mt2701,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+	},
+	.bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt2712_data = {
+	.domains = scp_domain_data_mt2712,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt2712),
+	.subdomains = scp_subdomain_mt2712,
+	.num_subdomains = ARRAY_SIZE(scp_subdomain_mt2712),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+	},
+	.bus_prot_reg_update = false,
+};
+
+static const struct scp_soc_data mt6797_data = {
+	.domains = scp_domain_data_mt6797,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
+	.subdomains = scp_subdomain_mt6797,
+	.num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS_MT6797,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
+	},
+	.bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt7622_data = {
+	.domains = scp_domain_data_mt7622,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt7622),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+	},
+	.bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt7623a_data = {
+	.domains = scp_domain_data_mt7623a,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt7623a),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+	},
+	.bus_prot_reg_update = true,
+};
+
+static const struct scp_soc_data mt8173_data = {
+	.domains = scp_domain_data_mt8173,
+	.num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
+	.subdomains = scp_subdomain_mt8173,
+	.num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
+	.regs = {
+		.pwr_sta_offs = SPM_PWR_STATUS,
+		.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
+	},
+	.bus_prot_reg_update = true,
+};
+
+/*
+ * scpsys driver init
+ */
+
+static const struct of_device_id of_scpsys_match_tbl[] = {
+	{
+		.compatible = "mediatek,mt2701-scpsys",
+		.data = &mt2701_data,
+	}, {
+		.compatible = "mediatek,mt2712-scpsys",
+		.data = &mt2712_data,
+	}, {
+		.compatible = "mediatek,mt6797-scpsys",
+		.data = &mt6797_data,
+	}, {
+		.compatible = "mediatek,mt7622-scpsys",
+		.data = &mt7622_data,
+	}, {
+		.compatible = "mediatek,mt7623a-scpsys",
+		.data = &mt7623a_data,
+	}, {
+		.compatible = "mediatek,mt8173-scpsys",
+		.data = &mt8173_data,
+	}, {
+		/* sentinel */
+	}
+};
+
+static int scpsys_probe(struct platform_device *pdev)
+{
+	const struct scp_subdomain *sd;
+	const struct scp_soc_data *soc;
+	struct scp *scp;
+	struct genpd_onecell_data *pd_data;
+	int i, ret;
+
+	soc = of_device_get_match_data(&pdev->dev);
+
+	scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs,
+			soc->bus_prot_reg_update);
+	if (IS_ERR(scp))
+		return PTR_ERR(scp);
+
+	mtk_register_power_domains(pdev, scp, soc->num_domains);
+
+	pd_data = &scp->pd_data;
+
+	for (i = 0, sd = soc->subdomains; i < soc->num_subdomains; i++, sd++) {
+		ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
+					     pd_data->domains[sd->subdomain]);
+		if (ret && IS_ENABLED(CONFIG_PM))
+			dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
+				ret);
+	}
+
+	return 0;
+}
+
+static struct platform_driver scpsys_drv = {
+	.probe = scpsys_probe,
+	.driver = {
+		.name = "mtk-scpsys",
+		.suppress_bind_attrs = true,
+		.owner = THIS_MODULE,
+		.of_match_table = of_scpsys_match_tbl,
+	},
+};
+builtin_platform_driver(scpsys_drv);