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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/mfd/da9063-i2c.c
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip
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(). ...
Diffstat (limited to 'drivers/mfd/da9063-i2c.c')
-rw-r--r--drivers/mfd/da9063-i2c.c476
1 files changed, 476 insertions, 0 deletions
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
new file mode 100644
index 000000000..03f8f95a1
--- /dev/null
+++ b/drivers/mfd/da9063-i2c.c
@@ -0,0 +1,476 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* I2C support for Dialog DA9063
+ *
+ * Copyright 2012 Dialog Semiconductor Ltd.
+ * Copyright 2013 Philipp Zabel, Pengutronix
+ *
+ * Author: Krystian Garbaciak, Dialog Semiconductor
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/da9063/core.h>
+#include <linux/mfd/da9063/registers.h>
+
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+
+/*
+ * Raw I2C access required for just accessing chip and variant info before we
+ * know which device is present. The info read from the device using this
+ * approach is then used to select the correct regmap tables.
+ */
+
+#define DA9063_REG_PAGE_SIZE 0x100
+#define DA9063_REG_PAGED_ADDR_MASK 0xFF
+
+enum da9063_page_sel_buf_fmt {
+ DA9063_PAGE_SEL_BUF_PAGE_REG = 0,
+ DA9063_PAGE_SEL_BUF_PAGE_VAL,
+ DA9063_PAGE_SEL_BUF_SIZE,
+};
+
+enum da9063_paged_read_msgs {
+ DA9063_PAGED_READ_MSG_PAGE_SEL = 0,
+ DA9063_PAGED_READ_MSG_REG_SEL,
+ DA9063_PAGED_READ_MSG_DATA,
+ DA9063_PAGED_READ_MSG_CNT,
+};
+
+static int da9063_i2c_blockreg_read(struct i2c_client *client, u16 addr,
+ u8 *buf, int count)
+{
+ struct i2c_msg xfer[DA9063_PAGED_READ_MSG_CNT];
+ u8 page_sel_buf[DA9063_PAGE_SEL_BUF_SIZE];
+ u8 page_num, paged_addr;
+ int ret;
+
+ /* Determine page info based on register address */
+ page_num = (addr / DA9063_REG_PAGE_SIZE);
+ if (page_num > 1) {
+ dev_err(&client->dev, "Invalid register address provided\n");
+ return -EINVAL;
+ }
+
+ paged_addr = (addr % DA9063_REG_PAGE_SIZE) & DA9063_REG_PAGED_ADDR_MASK;
+ page_sel_buf[DA9063_PAGE_SEL_BUF_PAGE_REG] = DA9063_REG_PAGE_CON;
+ page_sel_buf[DA9063_PAGE_SEL_BUF_PAGE_VAL] =
+ (page_num << DA9063_I2C_PAGE_SEL_SHIFT) & DA9063_REG_PAGE_MASK;
+
+ /* Write reg address, page selection */
+ xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].addr = client->addr;
+ xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].flags = 0;
+ xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].len = DA9063_PAGE_SEL_BUF_SIZE;
+ xfer[DA9063_PAGED_READ_MSG_PAGE_SEL].buf = page_sel_buf;
+
+ /* Select register address */
+ xfer[DA9063_PAGED_READ_MSG_REG_SEL].addr = client->addr;
+ xfer[DA9063_PAGED_READ_MSG_REG_SEL].flags = 0;
+ xfer[DA9063_PAGED_READ_MSG_REG_SEL].len = sizeof(paged_addr);
+ xfer[DA9063_PAGED_READ_MSG_REG_SEL].buf = &paged_addr;
+
+ /* Read data */
+ xfer[DA9063_PAGED_READ_MSG_DATA].addr = client->addr;
+ xfer[DA9063_PAGED_READ_MSG_DATA].flags = I2C_M_RD;
+ xfer[DA9063_PAGED_READ_MSG_DATA].len = count;
+ xfer[DA9063_PAGED_READ_MSG_DATA].buf = buf;
+
+ ret = i2c_transfer(client->adapter, xfer, DA9063_PAGED_READ_MSG_CNT);
+ if (ret < 0) {
+ dev_err(&client->dev, "Paged block read failed: %d\n", ret);
+ return ret;
+ }
+
+ if (ret != DA9063_PAGED_READ_MSG_CNT) {
+ dev_err(&client->dev, "Paged block read failed to complete\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+enum {
+ DA9063_DEV_ID_REG = 0,
+ DA9063_VAR_ID_REG,
+ DA9063_CHIP_ID_REGS,
+};
+
+static int da9063_get_device_type(struct i2c_client *i2c, struct da9063 *da9063)
+{
+ u8 buf[DA9063_CHIP_ID_REGS];
+ int ret;
+
+ ret = da9063_i2c_blockreg_read(i2c, DA9063_REG_DEVICE_ID, buf,
+ DA9063_CHIP_ID_REGS);
+ if (ret)
+ return ret;
+
+ if (buf[DA9063_DEV_ID_REG] != PMIC_CHIP_ID_DA9063) {
+ dev_err(da9063->dev,
+ "Invalid chip device ID: 0x%02x\n",
+ buf[DA9063_DEV_ID_REG]);
+ return -ENODEV;
+ }
+
+ dev_info(da9063->dev,
+ "Device detected (chip-ID: 0x%02X, var-ID: 0x%02X)\n",
+ buf[DA9063_DEV_ID_REG], buf[DA9063_VAR_ID_REG]);
+
+ da9063->variant_code =
+ (buf[DA9063_VAR_ID_REG] & DA9063_VARIANT_ID_MRC_MASK)
+ >> DA9063_VARIANT_ID_MRC_SHIFT;
+
+ return 0;
+}
+
+/*
+ * Variant specific regmap configs
+ */
+
+static const struct regmap_range da9063_ad_readable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_AD_REG_SECOND_D),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_AD_REG_GP_ID_19),
+ regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
+};
+
+static const struct regmap_range da9063_ad_writeable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+ regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+ regmap_reg_range(DA9063_REG_COUNT_S, DA9063_AD_REG_ALARM_Y),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_AD_REG_MON_REG_4),
+ regmap_reg_range(DA9063_AD_REG_GP_ID_0, DA9063_AD_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063_ad_volatile_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+ regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+ regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+ regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+ regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+ regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_AD_REG_SECOND_D),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+ regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+ regmap_reg_range(DA9063_AD_REG_MON_REG_5, DA9063_AD_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063_ad_readable_table = {
+ .yes_ranges = da9063_ad_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_ad_readable_ranges),
+};
+
+static const struct regmap_access_table da9063_ad_writeable_table = {
+ .yes_ranges = da9063_ad_writeable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_ad_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063_ad_volatile_table = {
+ .yes_ranges = da9063_ad_volatile_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_ad_volatile_ranges),
+};
+
+static const struct regmap_range da9063_bb_readable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_BB_REG_SECOND_D),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
+ regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
+};
+
+static const struct regmap_range da9063_bb_writeable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+ regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+ regmap_reg_range(DA9063_REG_COUNT_S, DA9063_BB_REG_ALARM_Y),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+ regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063_bb_da_volatile_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+ regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+ regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+ regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+ regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+ regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_BB_REG_SECOND_D),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+ regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+ regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063_bb_readable_table = {
+ .yes_ranges = da9063_bb_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_bb_readable_ranges),
+};
+
+static const struct regmap_access_table da9063_bb_writeable_table = {
+ .yes_ranges = da9063_bb_writeable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_bb_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063_bb_da_volatile_table = {
+ .yes_ranges = da9063_bb_da_volatile_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_bb_da_volatile_ranges),
+};
+
+static const struct regmap_range da9063l_bb_readable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_MON_A10_RES),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
+ regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
+};
+
+static const struct regmap_range da9063l_bb_writeable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+ regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+ regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063l_bb_da_volatile_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+ regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+ regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+ regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+ regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+ regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_REG_MON_A10_RES),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+ regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+ regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063l_bb_readable_table = {
+ .yes_ranges = da9063l_bb_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063l_bb_readable_ranges),
+};
+
+static const struct regmap_access_table da9063l_bb_writeable_table = {
+ .yes_ranges = da9063l_bb_writeable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063l_bb_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063l_bb_da_volatile_table = {
+ .yes_ranges = da9063l_bb_da_volatile_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063l_bb_da_volatile_ranges),
+};
+
+static const struct regmap_range da9063_da_readable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_BB_REG_SECOND_D),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_11),
+ regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
+};
+
+static const struct regmap_range da9063_da_writeable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+ regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+ regmap_reg_range(DA9063_REG_COUNT_S, DA9063_BB_REG_ALARM_Y),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+ regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_11),
+};
+
+static const struct regmap_access_table da9063_da_readable_table = {
+ .yes_ranges = da9063_da_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_da_readable_ranges),
+};
+
+static const struct regmap_access_table da9063_da_writeable_table = {
+ .yes_ranges = da9063_da_writeable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063_da_writeable_ranges),
+};
+
+static const struct regmap_range da9063l_da_readable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_MON_A10_RES),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_11),
+ regmap_reg_range(DA9063_REG_DEVICE_ID, DA9063_REG_VARIANT_ID),
+};
+
+static const struct regmap_range da9063l_da_writeable_ranges[] = {
+ regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+ regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+ regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+ regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+ regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+ regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_11),
+};
+
+static const struct regmap_access_table da9063l_da_readable_table = {
+ .yes_ranges = da9063l_da_readable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063l_da_readable_ranges),
+};
+
+static const struct regmap_access_table da9063l_da_writeable_table = {
+ .yes_ranges = da9063l_da_writeable_ranges,
+ .n_yes_ranges = ARRAY_SIZE(da9063l_da_writeable_ranges),
+};
+
+static const struct regmap_range_cfg da9063_range_cfg[] = {
+ {
+ .range_min = DA9063_REG_PAGE_CON,
+ .range_max = DA9063_REG_CONFIG_ID,
+ .selector_reg = DA9063_REG_PAGE_CON,
+ .selector_mask = 1 << DA9063_I2C_PAGE_SEL_SHIFT,
+ .selector_shift = DA9063_I2C_PAGE_SEL_SHIFT,
+ .window_start = 0,
+ .window_len = 256,
+ }
+};
+
+static struct regmap_config da9063_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .ranges = da9063_range_cfg,
+ .num_ranges = ARRAY_SIZE(da9063_range_cfg),
+ .max_register = DA9063_REG_CONFIG_ID,
+
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static const struct of_device_id da9063_dt_ids[] = {
+ { .compatible = "dlg,da9063", },
+ { .compatible = "dlg,da9063l", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, da9063_dt_ids);
+static int da9063_i2c_probe(struct i2c_client *i2c)
+{
+ const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
+ struct da9063 *da9063;
+ int ret;
+
+ da9063 = devm_kzalloc(&i2c->dev, sizeof(struct da9063), GFP_KERNEL);
+ if (da9063 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, da9063);
+ da9063->dev = &i2c->dev;
+ da9063->chip_irq = i2c->irq;
+ da9063->type = id->driver_data;
+
+ ret = da9063_get_device_type(i2c, da9063);
+ if (ret)
+ return ret;
+
+ switch (da9063->type) {
+ case PMIC_TYPE_DA9063:
+ switch (da9063->variant_code) {
+ case PMIC_DA9063_AD:
+ da9063_regmap_config.rd_table =
+ &da9063_ad_readable_table;
+ da9063_regmap_config.wr_table =
+ &da9063_ad_writeable_table;
+ da9063_regmap_config.volatile_table =
+ &da9063_ad_volatile_table;
+ break;
+ case PMIC_DA9063_BB:
+ case PMIC_DA9063_CA:
+ da9063_regmap_config.rd_table =
+ &da9063_bb_readable_table;
+ da9063_regmap_config.wr_table =
+ &da9063_bb_writeable_table;
+ da9063_regmap_config.volatile_table =
+ &da9063_bb_da_volatile_table;
+ break;
+ case PMIC_DA9063_DA:
+ case PMIC_DA9063_EA:
+ da9063_regmap_config.rd_table =
+ &da9063_da_readable_table;
+ da9063_regmap_config.wr_table =
+ &da9063_da_writeable_table;
+ da9063_regmap_config.volatile_table =
+ &da9063_bb_da_volatile_table;
+ break;
+ default:
+ dev_err(da9063->dev,
+ "Chip variant not supported for DA9063\n");
+ return -ENODEV;
+ }
+ break;
+ case PMIC_TYPE_DA9063L:
+ switch (da9063->variant_code) {
+ case PMIC_DA9063_BB:
+ case PMIC_DA9063_CA:
+ da9063_regmap_config.rd_table =
+ &da9063l_bb_readable_table;
+ da9063_regmap_config.wr_table =
+ &da9063l_bb_writeable_table;
+ da9063_regmap_config.volatile_table =
+ &da9063l_bb_da_volatile_table;
+ break;
+ case PMIC_DA9063_DA:
+ case PMIC_DA9063_EA:
+ da9063_regmap_config.rd_table =
+ &da9063l_da_readable_table;
+ da9063_regmap_config.wr_table =
+ &da9063l_da_writeable_table;
+ da9063_regmap_config.volatile_table =
+ &da9063l_bb_da_volatile_table;
+ break;
+ default:
+ dev_err(da9063->dev,
+ "Chip variant not supported for DA9063L\n");
+ return -ENODEV;
+ }
+ break;
+ default:
+ dev_err(da9063->dev, "Chip type not supported\n");
+ return -ENODEV;
+ }
+
+ da9063->regmap = devm_regmap_init_i2c(i2c, &da9063_regmap_config);
+ if (IS_ERR(da9063->regmap)) {
+ ret = PTR_ERR(da9063->regmap);
+ dev_err(da9063->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ /* If SMBus is not available and only I2C is possible, enter I2C mode */
+ if (i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C)) {
+ ret = regmap_clear_bits(da9063->regmap, DA9063_REG_CONFIG_J,
+ DA9063_TWOWIRE_TO);
+ if (ret < 0) {
+ dev_err(da9063->dev, "Failed to set Two-Wire Bus Mode.\n");
+ return ret;
+ }
+ }
+
+ return da9063_device_init(da9063, i2c->irq);
+}
+
+static const struct i2c_device_id da9063_i2c_id[] = {
+ { "da9063", PMIC_TYPE_DA9063 },
+ { "da9063l", PMIC_TYPE_DA9063L },
+ {},
+};
+MODULE_DEVICE_TABLE(i2c, da9063_i2c_id);
+
+static struct i2c_driver da9063_i2c_driver = {
+ .driver = {
+ .name = "da9063",
+ .of_match_table = da9063_dt_ids,
+ },
+ .probe_new = da9063_i2c_probe,
+ .id_table = da9063_i2c_id,
+};
+
+module_i2c_driver(da9063_i2c_driver);