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, 424 insertions, 0 deletions

diff --git a/sound/soc/codecs/ak4118.c b/sound/soc/codecs/ak4118.c
new file mode 100644
index 000000000..b6d9a10bd
--- /dev/null
+++ b/sound/soc/codecs/ak4118.c
@@ -0,0 +1,424 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ak4118.c  --  Asahi Kasei ALSA Soc Audio driver
+ *
+ * Copyright 2018 DEVIALET
+ */
+
+#include <linux/i2c.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include <sound/asoundef.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#define AK4118_REG_CLK_PWR_CTL		0x00
+#define AK4118_REG_FORMAT_CTL		0x01
+#define AK4118_REG_IO_CTL0		0x02
+#define AK4118_REG_IO_CTL1		0x03
+#define AK4118_REG_INT0_MASK		0x04
+#define AK4118_REG_INT1_MASK		0x05
+#define AK4118_REG_RCV_STATUS0		0x06
+#define AK4118_REG_RCV_STATUS1		0x07
+#define AK4118_REG_RXCHAN_STATUS0	0x08
+#define AK4118_REG_RXCHAN_STATUS1	0x09
+#define AK4118_REG_RXCHAN_STATUS2	0x0a
+#define AK4118_REG_RXCHAN_STATUS3	0x0b
+#define AK4118_REG_RXCHAN_STATUS4	0x0c
+#define AK4118_REG_TXCHAN_STATUS0	0x0d
+#define AK4118_REG_TXCHAN_STATUS1	0x0e
+#define AK4118_REG_TXCHAN_STATUS2	0x0f
+#define AK4118_REG_TXCHAN_STATUS3	0x10
+#define AK4118_REG_TXCHAN_STATUS4	0x11
+#define AK4118_REG_BURST_PREAMB_PC0	0x12
+#define AK4118_REG_BURST_PREAMB_PC1	0x13
+#define AK4118_REG_BURST_PREAMB_PD0	0x14
+#define AK4118_REG_BURST_PREAMB_PD1	0x15
+#define AK4118_REG_QSUB_CTL		0x16
+#define AK4118_REG_QSUB_TRACK		0x17
+#define AK4118_REG_QSUB_INDEX		0x18
+#define AK4118_REG_QSUB_MIN		0x19
+#define AK4118_REG_QSUB_SEC		0x1a
+#define AK4118_REG_QSUB_FRAME		0x1b
+#define AK4118_REG_QSUB_ZERO		0x1c
+#define AK4118_REG_QSUB_ABS_MIN		0x1d
+#define AK4118_REG_QSUB_ABS_SEC		0x1e
+#define AK4118_REG_QSUB_ABS_FRAME	0x1f
+#define AK4118_REG_GPE			0x20
+#define AK4118_REG_GPDR			0x21
+#define AK4118_REG_GPSCR		0x22
+#define AK4118_REG_GPLR			0x23
+#define AK4118_REG_DAT_MASK_DTS		0x24
+#define AK4118_REG_RX_DETECT		0x25
+#define AK4118_REG_STC_DAT_DETECT	0x26
+#define AK4118_REG_RXCHAN_STATUS5	0x27
+#define AK4118_REG_TXCHAN_STATUS5	0x28
+#define AK4118_REG_MAX			0x29
+
+#define AK4118_REG_FORMAT_CTL_DIF0	(1 << 4)
+#define AK4118_REG_FORMAT_CTL_DIF1	(1 << 5)
+#define AK4118_REG_FORMAT_CTL_DIF2	(1 << 6)
+
+struct ak4118_priv {
+	struct regmap *regmap;
+	struct gpio_desc *reset;
+	struct gpio_desc *irq;
+	struct snd_soc_component *component;
+};
+
+static const struct reg_default ak4118_reg_defaults[] = {
+	{AK4118_REG_CLK_PWR_CTL,	0x43},
+	{AK4118_REG_FORMAT_CTL,		0x6a},
+	{AK4118_REG_IO_CTL0,		0x88},
+	{AK4118_REG_IO_CTL1,		0x48},
+	{AK4118_REG_INT0_MASK,		0xee},
+	{AK4118_REG_INT1_MASK,		0xb5},
+	{AK4118_REG_RCV_STATUS0,	0x00},
+	{AK4118_REG_RCV_STATUS1,	0x10},
+	{AK4118_REG_TXCHAN_STATUS0,	0x00},
+	{AK4118_REG_TXCHAN_STATUS1,	0x00},
+	{AK4118_REG_TXCHAN_STATUS2,	0x00},
+	{AK4118_REG_TXCHAN_STATUS3,	0x00},
+	{AK4118_REG_TXCHAN_STATUS4,	0x00},
+	{AK4118_REG_GPE,		0x77},
+	{AK4118_REG_GPDR,		0x00},
+	{AK4118_REG_GPSCR,		0x00},
+	{AK4118_REG_GPLR,		0x00},
+	{AK4118_REG_DAT_MASK_DTS,	0x3f},
+	{AK4118_REG_RX_DETECT,		0x00},
+	{AK4118_REG_STC_DAT_DETECT,	0x00},
+	{AK4118_REG_TXCHAN_STATUS5,	0x00},
+};
+
+static const char * const ak4118_input_select_txt[] = {
+	"RX0", "RX1", "RX2", "RX3", "RX4", "RX5", "RX6", "RX7",
+};
+static SOC_ENUM_SINGLE_DECL(ak4118_insel_enum, AK4118_REG_IO_CTL1, 0x0,
+			    ak4118_input_select_txt);
+
+static const struct snd_kcontrol_new ak4118_input_mux_controls =
+	SOC_DAPM_ENUM("Input Select", ak4118_insel_enum);
+
+static const char * const ak4118_iec958_fs_txt[] = {
+	"44100", "48000", "32000", "22050", "11025", "24000", "16000", "88200",
+	"8000", "96000", "64000", "176400", "192000",
+};
+
+static const int ak4118_iec958_fs_val[] = {
+	0x0, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xA, 0xB, 0xC, 0xE,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(ak4118_iec958_fs_enum, AK4118_REG_RCV_STATUS1,
+				  0x4, 0x4, ak4118_iec958_fs_txt,
+				  ak4118_iec958_fs_val);
+
+static struct snd_kcontrol_new ak4118_iec958_controls[] = {
+	SOC_SINGLE("IEC958 Parity Errors", AK4118_REG_RCV_STATUS0, 0, 1, 0),
+	SOC_SINGLE("IEC958 No Audio", AK4118_REG_RCV_STATUS0, 1, 1, 0),
+	SOC_SINGLE("IEC958 PLL Lock", AK4118_REG_RCV_STATUS0, 4, 1, 1),
+	SOC_SINGLE("IEC958 Non PCM", AK4118_REG_RCV_STATUS0, 6, 1, 0),
+	SOC_ENUM("IEC958 Sampling Freq", ak4118_iec958_fs_enum),
+};
+
+static const struct snd_soc_dapm_widget ak4118_dapm_widgets[] = {
+	SND_SOC_DAPM_INPUT("INRX0"),
+	SND_SOC_DAPM_INPUT("INRX1"),
+	SND_SOC_DAPM_INPUT("INRX2"),
+	SND_SOC_DAPM_INPUT("INRX3"),
+	SND_SOC_DAPM_INPUT("INRX4"),
+	SND_SOC_DAPM_INPUT("INRX5"),
+	SND_SOC_DAPM_INPUT("INRX6"),
+	SND_SOC_DAPM_INPUT("INRX7"),
+	SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
+			 &ak4118_input_mux_controls),
+};
+
+static const struct snd_soc_dapm_route ak4118_dapm_routes[] = {
+	{"Input Mux", "RX0", "INRX0"},
+	{"Input Mux", "RX1", "INRX1"},
+	{"Input Mux", "RX2", "INRX2"},
+	{"Input Mux", "RX3", "INRX3"},
+	{"Input Mux", "RX4", "INRX4"},
+	{"Input Mux", "RX5", "INRX5"},
+	{"Input Mux", "RX6", "INRX6"},
+	{"Input Mux", "RX7", "INRX7"},
+};
+
+
+static int ak4118_set_dai_fmt_provider(struct ak4118_priv *ak4118,
+				       unsigned int format)
+{
+	int dif;
+
+	switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		dif = AK4118_REG_FORMAT_CTL_DIF0 | AK4118_REG_FORMAT_CTL_DIF2;
+		break;
+	case SND_SOC_DAIFMT_RIGHT_J:
+		dif = AK4118_REG_FORMAT_CTL_DIF0 | AK4118_REG_FORMAT_CTL_DIF1;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		dif = AK4118_REG_FORMAT_CTL_DIF2;
+		break;
+	default:
+		return -ENOTSUPP;
+	}
+
+	return dif;
+}
+
+static int ak4118_set_dai_fmt_consumer(struct ak4118_priv *ak4118,
+				       unsigned int format)
+{
+	int dif;
+
+	switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		dif = AK4118_REG_FORMAT_CTL_DIF0 | AK4118_REG_FORMAT_CTL_DIF1 |
+		      AK4118_REG_FORMAT_CTL_DIF2;
+		break;
+	case SND_SOC_DAIFMT_LEFT_J:
+		dif = AK4118_REG_FORMAT_CTL_DIF1 | AK4118_REG_FORMAT_CTL_DIF2;
+		break;
+	default:
+		return -ENOTSUPP;
+	}
+
+	return dif;
+}
+
+static int ak4118_set_dai_fmt(struct snd_soc_dai *dai,
+			      unsigned int format)
+{
+	struct snd_soc_component *component = dai->component;
+	struct ak4118_priv *ak4118 = snd_soc_component_get_drvdata(component);
+	int dif;
+	int ret = 0;
+
+	switch (format & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+	case SND_SOC_DAIFMT_CBP_CFP:
+		dif = ak4118_set_dai_fmt_provider(ak4118, format);
+		break;
+	case SND_SOC_DAIFMT_CBC_CFC:
+		dif = ak4118_set_dai_fmt_consumer(ak4118, format);
+		break;
+	default:
+		ret = -ENOTSUPP;
+		goto exit;
+	}
+
+	/* format not supported */
+	if (dif < 0) {
+		ret = dif;
+		goto exit;
+	}
+
+	ret = regmap_update_bits(ak4118->regmap, AK4118_REG_FORMAT_CTL,
+				 AK4118_REG_FORMAT_CTL_DIF0 |
+				 AK4118_REG_FORMAT_CTL_DIF1 |
+				 AK4118_REG_FORMAT_CTL_DIF2, dif);
+	if (ret < 0)
+		goto exit;
+
+exit:
+	return ret;
+}
+
+static int ak4118_hw_params(struct snd_pcm_substream *substream,
+			    struct snd_pcm_hw_params *params,
+			    struct snd_soc_dai *dai)
+{
+	return 0;
+}
+
+static const struct snd_soc_dai_ops ak4118_dai_ops = {
+	.hw_params = ak4118_hw_params,
+	.set_fmt   = ak4118_set_dai_fmt,
+};
+
+static struct snd_soc_dai_driver ak4118_dai = {
+	.name = "ak4118-hifi",
+	.capture = {
+		.stream_name = "Capture",
+		.channels_min = 2,
+		.channels_max = 2,
+		.rates = SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 |
+			 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+			 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
+			 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
+		.formats = SNDRV_PCM_FMTBIT_S16_LE  |
+			   SNDRV_PCM_FMTBIT_S24_3LE |
+			   SNDRV_PCM_FMTBIT_S24_LE
+	},
+	.ops = &ak4118_dai_ops,
+};
+
+static irqreturn_t ak4118_irq_handler(int irq, void *data)
+{
+	struct ak4118_priv *ak4118 = data;
+	struct snd_soc_component *component = ak4118->component;
+	struct snd_kcontrol_new *kctl_new;
+	struct snd_kcontrol *kctl;
+	struct snd_ctl_elem_id *id;
+	unsigned int i;
+
+	if (!component)
+		return IRQ_NONE;
+
+	for (i = 0; i < ARRAY_SIZE(ak4118_iec958_controls); i++) {
+		kctl_new = &ak4118_iec958_controls[i];
+		kctl = snd_soc_card_get_kcontrol(component->card,
+						 kctl_new->name);
+		if (!kctl)
+			continue;
+		id = &kctl->id;
+		snd_ctl_notify(component->card->snd_card,
+			       SNDRV_CTL_EVENT_MASK_VALUE, id);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int ak4118_probe(struct snd_soc_component *component)
+{
+	struct ak4118_priv *ak4118 = snd_soc_component_get_drvdata(component);
+	int ret = 0;
+
+	ak4118->component = component;
+
+	/* release reset */
+	gpiod_set_value(ak4118->reset, 0);
+
+	/* unmask all int1 sources */
+	ret = regmap_write(ak4118->regmap, AK4118_REG_INT1_MASK, 0x00);
+	if (ret < 0) {
+		dev_err(component->dev,
+			"failed to write regmap 0x%x 0x%x: %d\n",
+			AK4118_REG_INT1_MASK, 0x00, ret);
+		return ret;
+	}
+
+	/* rx detect enable on all channels */
+	ret = regmap_write(ak4118->regmap, AK4118_REG_RX_DETECT, 0xff);
+	if (ret < 0) {
+		dev_err(component->dev,
+			"failed to write regmap 0x%x 0x%x: %d\n",
+			AK4118_REG_RX_DETECT, 0xff, ret);
+		return ret;
+	}
+
+	ret = snd_soc_add_component_controls(component, ak4118_iec958_controls,
+					 ARRAY_SIZE(ak4118_iec958_controls));
+	if (ret) {
+		dev_err(component->dev,
+			"failed to add component kcontrols: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void ak4118_remove(struct snd_soc_component *component)
+{
+	struct ak4118_priv *ak4118 = snd_soc_component_get_drvdata(component);
+
+	/* hold reset */
+	gpiod_set_value(ak4118->reset, 1);
+}
+
+static const struct snd_soc_component_driver soc_component_drv_ak4118 = {
+	.probe			= ak4118_probe,
+	.remove			= ak4118_remove,
+	.dapm_widgets		= ak4118_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(ak4118_dapm_widgets),
+	.dapm_routes		= ak4118_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(ak4118_dapm_routes),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+};
+
+static const struct regmap_config ak4118_regmap = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.reg_defaults = ak4118_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(ak4118_reg_defaults),
+
+	.cache_type = REGCACHE_NONE,
+	.max_register = AK4118_REG_MAX - 1,
+};
+
+static int ak4118_i2c_probe(struct i2c_client *i2c)
+{
+	struct ak4118_priv *ak4118;
+	int ret;
+
+	ak4118 = devm_kzalloc(&i2c->dev, sizeof(struct ak4118_priv),
+			      GFP_KERNEL);
+	if (ak4118 == NULL)
+		return -ENOMEM;
+
+	ak4118->regmap = devm_regmap_init_i2c(i2c, &ak4118_regmap);
+	if (IS_ERR(ak4118->regmap))
+		return PTR_ERR(ak4118->regmap);
+
+	i2c_set_clientdata(i2c, ak4118);
+
+	ak4118->reset = devm_gpiod_get(&i2c->dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(ak4118->reset))
+		return dev_err_probe(&i2c->dev, PTR_ERR(ak4118->reset),
+				     "Failed to get reset\n");
+
+	ak4118->irq = devm_gpiod_get(&i2c->dev, "irq", GPIOD_IN);
+	if (IS_ERR(ak4118->irq))
+		return dev_err_probe(&i2c->dev, PTR_ERR(ak4118->irq),
+				     "Failed to get IRQ\n");
+
+	ret = devm_request_threaded_irq(&i2c->dev, gpiod_to_irq(ak4118->irq),
+					NULL, ak4118_irq_handler,
+					IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+					"ak4118-irq", ak4118);
+	if (ret < 0) {
+		dev_err(&i2c->dev, "Fail to request_irq: %d\n", ret);
+		return ret;
+	}
+
+	return devm_snd_soc_register_component(&i2c->dev,
+				&soc_component_drv_ak4118, &ak4118_dai, 1);
+}
+
+#ifdef CONFIG_OF
+static const struct of_device_id ak4118_of_match[] = {
+	{ .compatible = "asahi-kasei,ak4118", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, ak4118_of_match);
+#endif
+
+static const struct i2c_device_id ak4118_id_table[] = {
+	{ "ak4118", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, ak4118_id_table);
+
+static struct i2c_driver ak4118_i2c_driver = {
+	.driver  = {
+		.name = "ak4118",
+		.of_match_table = of_match_ptr(ak4118_of_match),
+	},
+	.id_table = ak4118_id_table,
+	.probe_new = ak4118_i2c_probe,
+};
+
+module_i2c_driver(ak4118_i2c_driver);
+
+MODULE_DESCRIPTION("Asahi Kasei AK4118 ALSA SoC driver");
+MODULE_AUTHOR("Adrien Charruel <adrien.charruel@devialet.com>");
+MODULE_LICENSE("GPL");