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, 491 insertions, 0 deletions

diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c
new file mode 100644
index 000000000..c0706537f
--- /dev/null
+++ b/sound/soc/intel/boards/bytcr_wm5102.c
@@ -0,0 +1,491 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  bytcr_wm5102.c - ASoc Machine driver for Intel Baytrail platforms with a
+ *                   Wolfson Microelectronics WM5102 codec
+ *
+ *  Copyright (C) 2020 Hans de Goede <hdegoede@redhat.com>
+ *  Loosely based on bytcr_rt5640.c which is:
+ *  Copyright (C) 2014-2020 Intel Corp
+ *  Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/spi/spi.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../codecs/wm5102.h"
+#include "../atom/sst-atom-controls.h"
+
+#define MCLK_FREQ		25000000
+
+#define WM5102_MAX_SYSCLK_4K	49152000 /* max sysclk for 4K family */
+#define WM5102_MAX_SYSCLK_11025	45158400 /* max sysclk for 11.025K family */
+
+struct byt_wm5102_private {
+	struct snd_soc_jack jack;
+	struct clk *mclk;
+	struct gpio_desc *spkvdd_en_gpio;
+};
+
+static int byt_wm5102_spkvdd_power_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_card *card = w->dapm->card;
+	struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);
+
+	gpiod_set_value_cansleep(priv->spkvdd_en_gpio,
+				 !!SND_SOC_DAPM_EVENT_ON(event));
+
+	return 0;
+}
+
+static int byt_wm5102_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, int rate)
+{
+	struct snd_soc_component *codec_component = codec_dai->component;
+	int sr_mult = ((rate % 4000) == 0) ?
+		(WM5102_MAX_SYSCLK_4K / rate) :
+		(WM5102_MAX_SYSCLK_11025 / rate);
+	int ret;
+
+	/* Reset FLL1 */
+	snd_soc_dai_set_pll(codec_dai, WM5102_FLL1_REFCLK, ARIZONA_FLL_SRC_NONE, 0, 0);
+	snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_FLL_SRC_NONE, 0, 0);
+
+	/* Configure the FLL1 PLL before selecting it */
+	ret = snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_CLK_SRC_MCLK1,
+				  MCLK_FREQ, rate * sr_mult);
+	if (ret) {
+		dev_err(codec_component->dev, "Error setting PLL: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_component_set_sysclk(codec_component, ARIZONA_CLK_SYSCLK,
+					   ARIZONA_CLK_SRC_FLL1, rate * sr_mult,
+					   SND_SOC_CLOCK_IN);
+	if (ret) {
+		dev_err(codec_component->dev, "Error setting SYSCLK: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, ARIZONA_CLK_SYSCLK,
+				     rate * 512, SND_SOC_CLOCK_IN);
+	if (ret) {
+		dev_err(codec_component->dev, "Error setting clock: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+				  struct snd_kcontrol *k, int event)
+{
+	struct snd_soc_dapm_context *dapm = w->dapm;
+	struct snd_soc_card *card = dapm->card;
+	struct snd_soc_dai *codec_dai;
+	struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);
+	int ret;
+
+	codec_dai = snd_soc_card_get_codec_dai(card, "wm5102-aif1");
+	if (!codec_dai) {
+		dev_err(card->dev, "Error codec DAI not found\n");
+		return -EIO;
+	}
+
+	if (SND_SOC_DAPM_EVENT_ON(event)) {
+		ret = clk_prepare_enable(priv->mclk);
+		if (ret) {
+			dev_err(card->dev, "Error enabling MCLK: %d\n", ret);
+			return ret;
+		}
+		ret = byt_wm5102_prepare_and_enable_pll1(codec_dai, 48000);
+		if (ret) {
+			dev_err(card->dev, "Error setting codec sysclk: %d\n", ret);
+			return ret;
+		}
+	} else {
+		/*
+		 * The WM5102 has a separate 32KHz clock for jack-detect
+		 * so we can disable the PLL, followed by disabling the
+		 * platform clock which is the source-clock for the PLL.
+		 */
+		snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_FLL_SRC_NONE, 0, 0);
+		clk_disable_unprepare(priv->mclk);
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget byt_wm5102_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Internal Mic", NULL),
+	SND_SOC_DAPM_SPK("Speaker", NULL),
+	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+			    platform_clock_control, SND_SOC_DAPM_PRE_PMU |
+			    SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_SUPPLY("Speaker VDD", SND_SOC_NOPM, 0, 0,
+			    byt_wm5102_spkvdd_power_event,
+			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+};
+
+static const struct snd_soc_dapm_route byt_wm5102_audio_map[] = {
+	{"Headphone", NULL, "Platform Clock"},
+	{"Headset Mic", NULL, "Platform Clock"},
+	{"Internal Mic", NULL, "Platform Clock"},
+	{"Speaker", NULL, "Platform Clock"},
+
+	{"Speaker", NULL, "SPKOUTLP"},
+	{"Speaker", NULL, "SPKOUTLN"},
+	{"Speaker", NULL, "SPKOUTRP"},
+	{"Speaker", NULL, "SPKOUTRN"},
+	{"Speaker", NULL, "Speaker VDD"},
+
+	{"Headphone", NULL, "HPOUT1L"},
+	{"Headphone", NULL, "HPOUT1R"},
+
+	{"Internal Mic", NULL, "MICBIAS3"},
+	{"IN3L", NULL, "Internal Mic"},
+
+	/*
+	 * The Headset Mix uses MICBIAS1 or 2 depending on if a CTIA/OMTP Headset
+	 * is connected, as the MICBIAS is applied after the CTIA/OMTP cross-switch.
+	 */
+	{"Headset Mic", NULL, "MICBIAS1"},
+	{"Headset Mic", NULL, "MICBIAS2"},
+	{"IN1L", NULL, "Headset Mic"},
+
+	{"AIF1 Playback", NULL, "ssp0 Tx"},
+	{"ssp0 Tx", NULL, "modem_out"},
+
+	{"modem_in", NULL, "ssp0 Rx"},
+	{"ssp0 Rx", NULL, "AIF1 Capture"},
+};
+
+static const struct snd_kcontrol_new byt_wm5102_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Headphone"),
+	SOC_DAPM_PIN_SWITCH("Headset Mic"),
+	SOC_DAPM_PIN_SWITCH("Internal Mic"),
+	SOC_DAPM_PIN_SWITCH("Speaker"),
+};
+
+static struct snd_soc_jack_pin byt_wm5102_pins[] = {
+	{
+		.pin	= "Headphone",
+		.mask	= SND_JACK_HEADPHONE,
+	},
+	{
+		.pin	= "Headset Mic",
+		.mask	= SND_JACK_MICROPHONE,
+	},
+};
+
+static int byt_wm5102_init(struct snd_soc_pcm_runtime *runtime)
+{
+	struct snd_soc_card *card = runtime->card;
+	struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);
+	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
+	int ret, jack_type;
+
+	card->dapm.idle_bias_off = true;
+
+	ret = snd_soc_add_card_controls(card, byt_wm5102_controls,
+					ARRAY_SIZE(byt_wm5102_controls));
+	if (ret) {
+		dev_err(card->dev, "Error adding card controls: %d\n", ret);
+		return ret;
+	}
+
+	/*
+	 * The firmware might enable the clock at boot (this information
+	 * may or may not be reflected in the enable clock register).
+	 * To change the rate we must disable the clock first to cover these
+	 * cases. Due to common clock framework restrictions that do not allow
+	 * to disable a clock that has not been enabled, we need to enable
+	 * the clock first.
+	 */
+	ret = clk_prepare_enable(priv->mclk);
+	if (!ret)
+		clk_disable_unprepare(priv->mclk);
+
+	ret = clk_set_rate(priv->mclk, MCLK_FREQ);
+	if (ret) {
+		dev_err(card->dev, "Error setting MCLK rate: %d\n", ret);
+		return ret;
+	}
+
+	jack_type = ARIZONA_JACK_MASK | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+		    SND_JACK_BTN_2 | SND_JACK_BTN_3;
+	ret = snd_soc_card_jack_new_pins(card, "Headset", jack_type,
+					 &priv->jack, byt_wm5102_pins,
+					 ARRAY_SIZE(byt_wm5102_pins));
+	if (ret) {
+		dev_err(card->dev, "Error creating jack: %d\n", ret);
+		return ret;
+	}
+
+	snd_soc_component_set_jack(component, &priv->jack, NULL);
+
+	return 0;
+}
+
+static int byt_wm5102_codec_fixup(struct snd_soc_pcm_runtime *rtd,
+				  struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *rate = hw_param_interval(params,
+						      SNDRV_PCM_HW_PARAM_RATE);
+	struct snd_interval *channels = hw_param_interval(params,
+							  SNDRV_PCM_HW_PARAM_CHANNELS);
+	int ret;
+
+	/* The DSP will convert the FE rate to 48k, stereo */
+	rate->min = 48000;
+	rate->max = 48000;
+	channels->min = 2;
+	channels->max = 2;
+
+	/* set SSP0 to 16-bit */
+	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
+
+	/*
+	 * Default mode for SSP configuration is TDM 4 slot, override config
+	 * with explicit setting to I2S 2ch 16-bit. The word length is set with
+	 * dai_set_tdm_slot() since there is no other API exposed
+	 */
+	ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
+				  SND_SOC_DAIFMT_I2S     |
+				  SND_SOC_DAIFMT_NB_NF   |
+				  SND_SOC_DAIFMT_BP_FP);
+	if (ret) {
+		dev_err(rtd->dev, "Error setting format to I2S: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 16);
+	if (ret) {
+		dev_err(rtd->dev, "Error setting I2S config: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int byt_wm5102_aif1_startup(struct snd_pcm_substream *substream)
+{
+	return snd_pcm_hw_constraint_single(substream->runtime,
+					    SNDRV_PCM_HW_PARAM_RATE, 48000);
+}
+
+static const struct snd_soc_ops byt_wm5102_aif1_ops = {
+	.startup = byt_wm5102_aif1_startup,
+};
+
+SND_SOC_DAILINK_DEF(dummy,
+	DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
+SND_SOC_DAILINK_DEF(media,
+	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
+
+SND_SOC_DAILINK_DEF(deepbuffer,
+	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
+
+SND_SOC_DAILINK_DEF(ssp0_port,
+	DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
+
+SND_SOC_DAILINK_DEF(ssp0_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC(
+	/*
+	 * Note there is no need to overwrite the codec-name as is done in
+	 * other bytcr machine drivers, because the codec is a MFD child-dev.
+	 */
+	"wm5102-codec",
+	"wm5102-aif1")));
+
+SND_SOC_DAILINK_DEF(platform,
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
+
+static struct snd_soc_dai_link byt_wm5102_dais[] = {
+	[MERR_DPCM_AUDIO] = {
+		.name = "Baytrail Audio Port",
+		.stream_name = "Baytrail Audio",
+		.nonatomic = true,
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.ops = &byt_wm5102_aif1_ops,
+		SND_SOC_DAILINK_REG(media, dummy, platform),
+
+	},
+	[MERR_DPCM_DEEP_BUFFER] = {
+		.name = "Deep-Buffer Audio Port",
+		.stream_name = "Deep-Buffer Audio",
+		.nonatomic = true,
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.ops = &byt_wm5102_aif1_ops,
+		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
+	},
+		/* back ends */
+	{
+		/*
+		 * This must be named SSP2-Codec even though this machine driver
+		 * always uses SSP0. Most machine drivers support both and dynamically
+		 * update the dailink to point to SSP0 or SSP2, while keeping the name
+		 * as "SSP2-Codec". The SOF tplg files hardcode the "SSP2-Codec" even
+		 * in the byt-foo-ssp0.tplg versions because the other machine-drivers
+		 * use "SSP2-Codec" even when SSP0 is used.
+		 */
+		.name = "SSP2-Codec",
+		.id = 0,
+		.no_pcm = 1,
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+						| SND_SOC_DAIFMT_CBC_CFC,
+		.be_hw_params_fixup = byt_wm5102_codec_fixup,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.init = byt_wm5102_init,
+		SND_SOC_DAILINK_REG(ssp0_port, ssp0_codec, platform),
+	},
+};
+
+/* use space before codec name to simplify card ID, and simplify driver name */
+#define SOF_CARD_NAME "bytcht wm5102" /* card name will be 'sof-bytcht wm5102' */
+#define SOF_DRIVER_NAME "SOF"
+
+#define CARD_NAME "bytcr-wm5102"
+#define DRIVER_NAME NULL /* card name will be used for driver name */
+
+/* SoC card */
+static struct snd_soc_card byt_wm5102_card = {
+	.owner = THIS_MODULE,
+	.dai_link = byt_wm5102_dais,
+	.num_links = ARRAY_SIZE(byt_wm5102_dais),
+	.dapm_widgets = byt_wm5102_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(byt_wm5102_widgets),
+	.dapm_routes = byt_wm5102_audio_map,
+	.num_dapm_routes = ARRAY_SIZE(byt_wm5102_audio_map),
+	.fully_routed = true,
+};
+
+static int snd_byt_wm5102_mc_probe(struct platform_device *pdev)
+{
+	char codec_name[SND_ACPI_I2C_ID_LEN];
+	struct device *dev = &pdev->dev;
+	struct byt_wm5102_private *priv;
+	struct snd_soc_acpi_mach *mach;
+	const char *platform_name;
+	struct acpi_device *adev;
+	struct device *codec_dev;
+	bool sof_parent;
+	int ret;
+
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	/* Get MCLK */
+	priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
+	if (IS_ERR(priv->mclk))
+		return dev_err_probe(dev, PTR_ERR(priv->mclk), "getting pmc_plt_clk_3\n");
+
+	/*
+	 * Get speaker VDD enable GPIO:
+	 * 1. Get codec-device-name
+	 * 2. Get codec-device
+	 * 3. Get GPIO from codec-device
+	 */
+	mach = dev->platform_data;
+	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
+	if (!adev) {
+		dev_err(dev, "Error cannot find acpi-dev for codec\n");
+		return -ENOENT;
+	}
+	snprintf(codec_name, sizeof(codec_name), "spi-%s", acpi_dev_name(adev));
+
+	codec_dev = bus_find_device_by_name(&spi_bus_type, NULL, codec_name);
+	acpi_dev_put(adev);
+	if (!codec_dev)
+		return -EPROBE_DEFER;
+
+	/* Note no devm_ here since we call gpiod_get on codec_dev rather then dev */
+	priv->spkvdd_en_gpio = gpiod_get(codec_dev, "wlf,spkvdd-ena", GPIOD_OUT_LOW);
+	put_device(codec_dev);
+
+	if (IS_ERR(priv->spkvdd_en_gpio)) {
+		ret = PTR_ERR(priv->spkvdd_en_gpio);
+		/*
+		 * The spkvdd gpio-lookup is registered by: drivers/mfd/arizona-spi.c,
+		 * so -ENOENT means that arizona-spi hasn't probed yet.
+		 */
+		if (ret == -ENOENT)
+			ret = -EPROBE_DEFER;
+
+		return dev_err_probe(dev, ret, "getting spkvdd-GPIO\n");
+	}
+
+	/* override platform name, if required */
+	byt_wm5102_card.dev = dev;
+	platform_name = mach->mach_params.platform;
+	ret = snd_soc_fixup_dai_links_platform_name(&byt_wm5102_card, platform_name);
+	if (ret)
+		goto out_put_gpio;
+
+	/* set card and driver name and pm-ops */
+	sof_parent = snd_soc_acpi_sof_parent(dev);
+	if (sof_parent) {
+		byt_wm5102_card.name = SOF_CARD_NAME;
+		byt_wm5102_card.driver_name = SOF_DRIVER_NAME;
+		dev->driver->pm = &snd_soc_pm_ops;
+	} else {
+		byt_wm5102_card.name = CARD_NAME;
+		byt_wm5102_card.driver_name = DRIVER_NAME;
+	}
+
+	snd_soc_card_set_drvdata(&byt_wm5102_card, priv);
+	ret = devm_snd_soc_register_card(dev, &byt_wm5102_card);
+	if (ret) {
+		dev_err_probe(dev, ret, "registering card\n");
+		goto out_put_gpio;
+	}
+
+	platform_set_drvdata(pdev, &byt_wm5102_card);
+	return 0;
+
+out_put_gpio:
+	gpiod_put(priv->spkvdd_en_gpio);
+	return ret;
+}
+
+static int snd_byt_wm5102_mc_remove(struct platform_device *pdev)
+{
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+	struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card);
+
+	gpiod_put(priv->spkvdd_en_gpio);
+	return 0;
+}
+
+static struct platform_driver snd_byt_wm5102_mc_driver = {
+	.driver = {
+		.name = "bytcr_wm5102",
+	},
+	.probe = snd_byt_wm5102_mc_probe,
+	.remove = snd_byt_wm5102_mc_remove,
+};
+
+module_platform_driver(snd_byt_wm5102_mc_driver);
+
+MODULE_DESCRIPTION("ASoC Baytrail with WM5102 codec machine driver");
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:bytcr_wm5102");