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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/mt6360-core.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/mt6360-core.c')
-rw-r--r--drivers/mfd/mt6360-core.c632
1 files changed, 632 insertions, 0 deletions
diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
new file mode 100644
index 000000000..d3b32eb79
--- /dev/null
+++ b/drivers/mfd/mt6360-core.c
@@ -0,0 +1,632 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ *
+ * Author: Gene Chen <gene_chen@richtek.com>
+ */
+
+#include <linux/crc8.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+enum {
+ MT6360_SLAVE_TCPC = 0,
+ MT6360_SLAVE_PMIC,
+ MT6360_SLAVE_LDO,
+ MT6360_SLAVE_PMU,
+ MT6360_SLAVE_MAX,
+};
+
+struct mt6360_ddata {
+ struct i2c_client *i2c[MT6360_SLAVE_MAX];
+ struct device *dev;
+ struct regmap *regmap;
+ struct regmap_irq_chip_data *irq_data;
+ unsigned int chip_rev;
+ u8 crc8_tbl[CRC8_TABLE_SIZE];
+};
+
+#define MT6360_TCPC_SLAVEID 0x4E
+#define MT6360_PMIC_SLAVEID 0x1A
+#define MT6360_LDO_SLAVEID 0x64
+#define MT6360_PMU_SLAVEID 0x34
+
+#define MT6360_REG_TCPCSTART 0x00
+#define MT6360_REG_TCPCEND 0xFF
+#define MT6360_REG_PMICSTART 0x100
+#define MT6360_REG_PMICEND 0x13B
+#define MT6360_REG_LDOSTART 0x200
+#define MT6360_REG_LDOEND 0x21C
+#define MT6360_REG_PMUSTART 0x300
+#define MT6360_PMU_DEV_INFO 0x300
+#define MT6360_PMU_CHG_IRQ1 0x3D0
+#define MT6360_PMU_CHG_MASK1 0x3F0
+#define MT6360_REG_PMUEND 0x3FF
+
+#define MT6360_PMU_IRQ_REGNUM 16
+
+#define CHIP_VEN_MASK 0xF0
+#define CHIP_VEN_MT6360 0x50
+#define CHIP_REV_MASK 0x0F
+
+#define MT6360_ADDRESS_MASK 0x3F
+#define MT6360_DATA_SIZE_1_BYTE 0x00
+#define MT6360_DATA_SIZE_2_BYTES 0x40
+#define MT6360_DATA_SIZE_3_BYTES 0x80
+#define MT6360_DATA_SIZE_4_BYTES 0xC0
+
+#define MT6360_CRC8_POLYNOMIAL 0x7
+
+#define MT6360_CRC_I2C_ADDR_SIZE 1
+#define MT6360_CRC_REG_ADDR_SIZE 1
+/* prealloca read size = i2c device addr + i2c reg addr + val ... + crc8 */
+#define MT6360_ALLOC_READ_SIZE(_size) (_size + 3)
+/* prealloca write size = i2c device addr + i2c reg addr + val ... + crc8 + dummy byte */
+#define MT6360_ALLOC_WRITE_SIZE(_size) (_size + 4)
+#define MT6360_CRC_PREDATA_OFFSET (MT6360_CRC_I2C_ADDR_SIZE + MT6360_CRC_REG_ADDR_SIZE)
+#define MT6360_CRC_CRC8_SIZE 1
+#define MT6360_CRC_DUMMY_BYTE_SIZE 1
+#define MT6360_REGMAP_REG_BYTE_SIZE 2
+#define I2C_ADDR_XLATE_8BIT(_addr, _rw) (((_addr & 0x7F) << 1) + _rw)
+
+/* reg 0 -> 0 ~ 7 */
+#define MT6360_CHG_TREG_EVT 4
+#define MT6360_CHG_AICR_EVT 5
+#define MT6360_CHG_MIVR_EVT 6
+#define MT6360_PWR_RDY_EVT 7
+/* REG 1 -> 8 ~ 15 */
+#define MT6360_CHG_BATSYSUV_EVT 9
+#define MT6360_FLED_CHG_VINOVP_EVT 11
+#define MT6360_CHG_VSYSUV_EVT 12
+#define MT6360_CHG_VSYSOV_EVT 13
+#define MT6360_CHG_VBATOV_EVT 14
+#define MT6360_CHG_VBUSOV_EVT 15
+/* REG 2 -> 16 ~ 23 */
+/* REG 3 -> 24 ~ 31 */
+#define MT6360_WD_PMU_DET 25
+#define MT6360_WD_PMU_DONE 26
+#define MT6360_CHG_TMRI 27
+#define MT6360_CHG_ADPBADI 29
+#define MT6360_CHG_RVPI 30
+#define MT6360_OTPI 31
+/* REG 4 -> 32 ~ 39 */
+#define MT6360_CHG_AICCMEASL 32
+#define MT6360_CHGDET_DONEI 34
+#define MT6360_WDTMRI 35
+#define MT6360_SSFINISHI 36
+#define MT6360_CHG_RECHGI 37
+#define MT6360_CHG_TERMI 38
+#define MT6360_CHG_IEOCI 39
+/* REG 5 -> 40 ~ 47 */
+#define MT6360_PUMPX_DONEI 40
+#define MT6360_BAT_OVP_ADC_EVT 41
+#define MT6360_TYPEC_OTP_EVT 42
+#define MT6360_ADC_WAKEUP_EVT 43
+#define MT6360_ADC_DONEI 44
+#define MT6360_BST_BATUVI 45
+#define MT6360_BST_VBUSOVI 46
+#define MT6360_BST_OLPI 47
+/* REG 6 -> 48 ~ 55 */
+#define MT6360_ATTACH_I 48
+#define MT6360_DETACH_I 49
+#define MT6360_QC30_STPDONE 51
+#define MT6360_QC_VBUSDET_DONE 52
+#define MT6360_HVDCP_DET 53
+#define MT6360_CHGDETI 54
+#define MT6360_DCDTI 55
+/* REG 7 -> 56 ~ 63 */
+#define MT6360_FOD_DONE_EVT 56
+#define MT6360_FOD_OV_EVT 57
+#define MT6360_CHRDET_UVP_EVT 58
+#define MT6360_CHRDET_OVP_EVT 59
+#define MT6360_CHRDET_EXT_EVT 60
+#define MT6360_FOD_LR_EVT 61
+#define MT6360_FOD_HR_EVT 62
+#define MT6360_FOD_DISCHG_FAIL_EVT 63
+/* REG 8 -> 64 ~ 71 */
+#define MT6360_USBID_EVT 64
+#define MT6360_APWDTRST_EVT 65
+#define MT6360_EN_EVT 66
+#define MT6360_QONB_RST_EVT 67
+#define MT6360_MRSTB_EVT 68
+#define MT6360_OTP_EVT 69
+#define MT6360_VDDAOV_EVT 70
+#define MT6360_SYSUV_EVT 71
+/* REG 9 -> 72 ~ 79 */
+#define MT6360_FLED_STRBPIN_EVT 72
+#define MT6360_FLED_TORPIN_EVT 73
+#define MT6360_FLED_TX_EVT 74
+#define MT6360_FLED_LVF_EVT 75
+#define MT6360_FLED2_SHORT_EVT 78
+#define MT6360_FLED1_SHORT_EVT 79
+/* REG 10 -> 80 ~ 87 */
+#define MT6360_FLED2_STRB_EVT 80
+#define MT6360_FLED1_STRB_EVT 81
+#define MT6360_FLED2_STRB_TO_EVT 82
+#define MT6360_FLED1_STRB_TO_EVT 83
+#define MT6360_FLED2_TOR_EVT 84
+#define MT6360_FLED1_TOR_EVT 85
+/* REG 11 -> 88 ~ 95 */
+/* REG 12 -> 96 ~ 103 */
+#define MT6360_BUCK1_PGB_EVT 96
+#define MT6360_BUCK1_OC_EVT 100
+#define MT6360_BUCK1_OV_EVT 101
+#define MT6360_BUCK1_UV_EVT 102
+/* REG 13 -> 104 ~ 111 */
+#define MT6360_BUCK2_PGB_EVT 104
+#define MT6360_BUCK2_OC_EVT 108
+#define MT6360_BUCK2_OV_EVT 109
+#define MT6360_BUCK2_UV_EVT 110
+/* REG 14 -> 112 ~ 119 */
+#define MT6360_LDO1_OC_EVT 113
+#define MT6360_LDO2_OC_EVT 114
+#define MT6360_LDO3_OC_EVT 115
+#define MT6360_LDO5_OC_EVT 117
+#define MT6360_LDO6_OC_EVT 118
+#define MT6360_LDO7_OC_EVT 119
+/* REG 15 -> 120 ~ 127 */
+#define MT6360_LDO1_PGB_EVT 121
+#define MT6360_LDO2_PGB_EVT 122
+#define MT6360_LDO3_PGB_EVT 123
+#define MT6360_LDO5_PGB_EVT 125
+#define MT6360_LDO6_PGB_EVT 126
+#define MT6360_LDO7_PGB_EVT 127
+
+static const struct regmap_irq mt6360_irqs[] = {
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_TREG_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_AICR_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_MIVR_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_PWR_RDY_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_BATSYSUV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED_CHG_VINOVP_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSUV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_VSYSOV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_VBATOV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_VBUSOV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DET, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_WD_PMU_DONE, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_TMRI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_ADPBADI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_RVPI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_OTPI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_AICCMEASL, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHGDET_DONEI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_WDTMRI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_SSFINISHI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_RECHGI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_TERMI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHG_IEOCI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_PUMPX_DONEI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BAT_OVP_ADC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_TYPEC_OTP_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_ADC_WAKEUP_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_ADC_DONEI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BST_BATUVI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BST_VBUSOVI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BST_OLPI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_ATTACH_I, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_DETACH_I, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_QC30_STPDONE, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_QC_VBUSDET_DONE, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_HVDCP_DET, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHGDETI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_DCDTI, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FOD_DONE_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FOD_OV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHRDET_UVP_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHRDET_OVP_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_CHRDET_EXT_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FOD_LR_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FOD_HR_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FOD_DISCHG_FAIL_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_USBID_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_APWDTRST_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_EN_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_QONB_RST_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_MRSTB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_OTP_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_VDDAOV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_SYSUV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED_STRBPIN_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED_TORPIN_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED_TX_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED_LVF_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED2_SHORT_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED1_SHORT_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED2_STRB_TO_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED1_STRB_TO_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED2_TOR_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_FLED1_TOR_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK1_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK1_OV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK1_UV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK2_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK2_OV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_BUCK2_UV_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO1_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO2_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO3_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO5_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO6_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO7_OC_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO1_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO2_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO3_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO5_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO6_PGB_EVT, 8),
+ REGMAP_IRQ_REG_LINE(MT6360_LDO7_PGB_EVT, 8),
+};
+
+static const struct regmap_irq_chip mt6360_irq_chip = {
+ .name = "mt6360_irqs",
+ .irqs = mt6360_irqs,
+ .num_irqs = ARRAY_SIZE(mt6360_irqs),
+ .num_regs = MT6360_PMU_IRQ_REGNUM,
+ .mask_base = MT6360_PMU_CHG_MASK1,
+ .status_base = MT6360_PMU_CHG_IRQ1,
+ .ack_base = MT6360_PMU_CHG_IRQ1,
+ .init_ack_masked = true,
+ .use_ack = true,
+};
+
+static const struct resource mt6360_adc_resources[] = {
+ DEFINE_RES_IRQ_NAMED(MT6360_ADC_DONEI, "adc_donei"),
+};
+
+static const struct resource mt6360_chg_resources[] = {
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_TREG_EVT, "chg_treg_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_PWR_RDY_EVT, "pwr_rdy_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_BATSYSUV_EVT, "chg_batsysuv_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSUV_EVT, "chg_vsysuv_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_VSYSOV_EVT, "chg_vsysov_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBATOV_EVT, "chg_vbatov_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_VBUSOV_EVT, "chg_vbusov_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_AICCMEASL, "chg_aiccmeasl"),
+ DEFINE_RES_IRQ_NAMED(MT6360_WDTMRI, "wdtmri"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_RECHGI, "chg_rechgi"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_TERMI, "chg_termi"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHG_IEOCI, "chg_ieoci"),
+ DEFINE_RES_IRQ_NAMED(MT6360_PUMPX_DONEI, "pumpx_donei"),
+ DEFINE_RES_IRQ_NAMED(MT6360_ATTACH_I, "attach_i"),
+ DEFINE_RES_IRQ_NAMED(MT6360_CHRDET_EXT_EVT, "chrdet_ext_evt"),
+};
+
+static const struct resource mt6360_led_resources[] = {
+ DEFINE_RES_IRQ_NAMED(MT6360_FLED_CHG_VINOVP_EVT, "fled_chg_vinovp_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_FLED_LVF_EVT, "fled_lvf_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_FLED2_SHORT_EVT, "fled2_short_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_FLED1_SHORT_EVT, "fled1_short_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_FLED2_STRB_TO_EVT, "fled2_strb_to_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_FLED1_STRB_TO_EVT, "fled1_strb_to_evt"),
+};
+
+static const struct resource mt6360_regulator_resources[] = {
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_PGB_EVT, "buck1_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OC_EVT, "buck1_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OV_EVT, "buck1_ov_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_UV_EVT, "buck1_uv_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_PGB_EVT, "buck2_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OC_EVT, "buck2_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_OV_EVT, "buck2_ov_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_BUCK2_UV_EVT, "buck2_uv_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO5_OC_EVT, "ldo5_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO6_OC_EVT, "ldo6_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO1_PGB_EVT, "ldo1_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO2_PGB_EVT, "ldo2_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO3_PGB_EVT, "ldo3_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO5_PGB_EVT, "ldo5_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
+ DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
+};
+
+static const struct mfd_cell mt6360_devs[] = {
+ MFD_CELL_OF("mt6360-adc", mt6360_adc_resources,
+ NULL, 0, 0, "mediatek,mt6360-adc"),
+ MFD_CELL_OF("mt6360-chg", mt6360_chg_resources,
+ NULL, 0, 0, "mediatek,mt6360-chg"),
+ MFD_CELL_OF("mt6360-led", mt6360_led_resources,
+ NULL, 0, 0, "mediatek,mt6360-led"),
+ MFD_CELL_RES("mt6360-regulator", mt6360_regulator_resources),
+ MFD_CELL_OF("mt6360-tcpc", NULL,
+ NULL, 0, 0, "mediatek,mt6360-tcpc"),
+};
+
+static int mt6360_check_vendor_info(struct mt6360_ddata *ddata)
+{
+ u32 info;
+ int ret;
+
+ ret = regmap_read(ddata->regmap, MT6360_PMU_DEV_INFO, &info);
+ if (ret < 0)
+ return ret;
+
+ if ((info & CHIP_VEN_MASK) != CHIP_VEN_MT6360) {
+ dev_err(ddata->dev, "Device not supported\n");
+ return -ENODEV;
+ }
+
+ ddata->chip_rev = info & CHIP_REV_MASK;
+
+ return 0;
+}
+
+static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = {
+ MT6360_TCPC_SLAVEID,
+ MT6360_PMIC_SLAVEID,
+ MT6360_LDO_SLAVEID,
+ MT6360_PMU_SLAVEID,
+};
+
+static int mt6360_xlate_pmicldo_addr(u8 *addr, int rw_size)
+{
+ /* Address is already in encoded [5:0] */
+ *addr &= MT6360_ADDRESS_MASK;
+
+ switch (rw_size) {
+ case 1:
+ *addr |= MT6360_DATA_SIZE_1_BYTE;
+ break;
+ case 2:
+ *addr |= MT6360_DATA_SIZE_2_BYTES;
+ break;
+ case 3:
+ *addr |= MT6360_DATA_SIZE_3_BYTES;
+ break;
+ case 4:
+ *addr |= MT6360_DATA_SIZE_4_BYTES;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int mt6360_regmap_read(void *context, const void *reg, size_t reg_size,
+ void *val, size_t val_size)
+{
+ struct mt6360_ddata *ddata = context;
+ u8 bank = *(u8 *)reg;
+ u8 reg_addr = *(u8 *)(reg + 1);
+ struct i2c_client *i2c;
+ bool crc_needed = false;
+ u8 *buf;
+ int buf_len = MT6360_ALLOC_READ_SIZE(val_size);
+ int read_size = val_size;
+ u8 crc;
+ int ret;
+
+ if (bank >= MT6360_SLAVE_MAX)
+ return -EINVAL;
+
+ i2c = ddata->i2c[bank];
+
+ if (bank == MT6360_SLAVE_PMIC || bank == MT6360_SLAVE_LDO) {
+ crc_needed = true;
+ ret = mt6360_xlate_pmicldo_addr(&reg_addr, val_size);
+ if (ret < 0)
+ return ret;
+ read_size += MT6360_CRC_CRC8_SIZE;
+ }
+
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ buf[0] = I2C_ADDR_XLATE_8BIT(i2c->addr, I2C_SMBUS_READ);
+ buf[1] = reg_addr;
+
+ ret = i2c_smbus_read_i2c_block_data(i2c, reg_addr, read_size,
+ buf + MT6360_CRC_PREDATA_OFFSET);
+ if (ret < 0)
+ goto out;
+ else if (ret != read_size) {
+ ret = -EIO;
+ goto out;
+ }
+
+ if (crc_needed) {
+ crc = crc8(ddata->crc8_tbl, buf, val_size + MT6360_CRC_PREDATA_OFFSET, 0);
+ if (crc != buf[val_size + MT6360_CRC_PREDATA_OFFSET]) {
+ ret = -EIO;
+ goto out;
+ }
+ }
+
+ memcpy(val, buf + MT6360_CRC_PREDATA_OFFSET, val_size);
+out:
+ kfree(buf);
+ return (ret < 0) ? ret : 0;
+}
+
+static int mt6360_regmap_write(void *context, const void *val, size_t val_size)
+{
+ struct mt6360_ddata *ddata = context;
+ u8 bank = *(u8 *)val;
+ u8 reg_addr = *(u8 *)(val + 1);
+ struct i2c_client *i2c;
+ bool crc_needed = false;
+ u8 *buf;
+ int buf_len = MT6360_ALLOC_WRITE_SIZE(val_size);
+ int write_size = val_size - MT6360_REGMAP_REG_BYTE_SIZE;
+ int ret;
+
+ if (bank >= MT6360_SLAVE_MAX)
+ return -EINVAL;
+
+ i2c = ddata->i2c[bank];
+
+ if (bank == MT6360_SLAVE_PMIC || bank == MT6360_SLAVE_LDO) {
+ crc_needed = true;
+ ret = mt6360_xlate_pmicldo_addr(&reg_addr, val_size - MT6360_REGMAP_REG_BYTE_SIZE);
+ if (ret < 0)
+ return ret;
+ }
+
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ buf[0] = I2C_ADDR_XLATE_8BIT(i2c->addr, I2C_SMBUS_WRITE);
+ buf[1] = reg_addr;
+ memcpy(buf + MT6360_CRC_PREDATA_OFFSET, val + MT6360_REGMAP_REG_BYTE_SIZE, write_size);
+
+ if (crc_needed) {
+ buf[val_size] = crc8(ddata->crc8_tbl, buf, val_size, 0);
+ write_size += (MT6360_CRC_CRC8_SIZE + MT6360_CRC_DUMMY_BYTE_SIZE);
+ }
+
+ ret = i2c_smbus_write_i2c_block_data(i2c, reg_addr, write_size,
+ buf + MT6360_CRC_PREDATA_OFFSET);
+
+ kfree(buf);
+ return ret;
+}
+
+static const struct regmap_bus mt6360_regmap_bus = {
+ .read = mt6360_regmap_read,
+ .write = mt6360_regmap_write,
+
+ /* Due to PMIC and LDO CRC access size limit */
+ .max_raw_read = 4,
+ .max_raw_write = 4,
+};
+
+static bool mt6360_is_readwrite_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case MT6360_REG_TCPCSTART ... MT6360_REG_TCPCEND:
+ fallthrough;
+ case MT6360_REG_PMICSTART ... MT6360_REG_PMICEND:
+ fallthrough;
+ case MT6360_REG_LDOSTART ... MT6360_REG_LDOEND:
+ fallthrough;
+ case MT6360_REG_PMUSTART ... MT6360_REG_PMUEND:
+ return true;
+ }
+
+ return false;
+}
+
+static const struct regmap_config mt6360_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ .reg_format_endian = REGMAP_ENDIAN_BIG,
+ .max_register = MT6360_REG_PMUEND,
+ .writeable_reg = mt6360_is_readwrite_reg,
+ .readable_reg = mt6360_is_readwrite_reg,
+};
+
+static int mt6360_probe(struct i2c_client *client)
+{
+ struct mt6360_ddata *ddata;
+ int i, ret;
+
+ ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL);
+ if (!ddata)
+ return -ENOMEM;
+
+ ddata->dev = &client->dev;
+ i2c_set_clientdata(client, ddata);
+
+ for (i = 0; i < MT6360_SLAVE_MAX - 1; i++) {
+ ddata->i2c[i] = devm_i2c_new_dummy_device(&client->dev,
+ client->adapter,
+ mt6360_slave_addr[i]);
+ if (IS_ERR(ddata->i2c[i])) {
+ dev_err(&client->dev,
+ "Failed to get new dummy I2C device for address 0x%x",
+ mt6360_slave_addr[i]);
+ return PTR_ERR(ddata->i2c[i]);
+ }
+ }
+ ddata->i2c[MT6360_SLAVE_MAX - 1] = client;
+
+ crc8_populate_msb(ddata->crc8_tbl, MT6360_CRC8_POLYNOMIAL);
+ ddata->regmap = devm_regmap_init(ddata->dev, &mt6360_regmap_bus, ddata,
+ &mt6360_regmap_config);
+ if (IS_ERR(ddata->regmap)) {
+ dev_err(&client->dev, "Failed to register regmap\n");
+ return PTR_ERR(ddata->regmap);
+ }
+
+ ret = mt6360_check_vendor_info(ddata);
+ if (ret)
+ return ret;
+
+ ret = devm_regmap_add_irq_chip(&client->dev, ddata->regmap, client->irq,
+ 0, 0, &mt6360_irq_chip,
+ &ddata->irq_data);
+ if (ret) {
+ dev_err(&client->dev, "Failed to add Regmap IRQ Chip\n");
+ return ret;
+ }
+
+ ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
+ mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL,
+ 0, regmap_irq_get_domain(ddata->irq_data));
+ if (ret) {
+ dev_err(&client->dev,
+ "Failed to register subordinate devices\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __maybe_unused mt6360_suspend(struct device *dev)
+{
+ struct i2c_client *i2c = to_i2c_client(dev);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(i2c->irq);
+
+ return 0;
+}
+
+static int __maybe_unused mt6360_resume(struct device *dev)
+{
+
+ struct i2c_client *i2c = to_i2c_client(dev);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(i2c->irq);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(mt6360_pm_ops, mt6360_suspend, mt6360_resume);
+
+static const struct of_device_id __maybe_unused mt6360_of_id[] = {
+ { .compatible = "mediatek,mt6360", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mt6360_of_id);
+
+static struct i2c_driver mt6360_driver = {
+ .driver = {
+ .name = "mt6360",
+ .pm = &mt6360_pm_ops,
+ .of_match_table = of_match_ptr(mt6360_of_id),
+ },
+ .probe_new = mt6360_probe,
+};
+module_i2c_driver(mt6360_driver);
+
+MODULE_AUTHOR("Gene Chen <gene_chen@richtek.com>");
+MODULE_DESCRIPTION("MT6360 I2C Driver");
+MODULE_LICENSE("GPL v2");