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01:10:42 -0700 (PDT) Received: from localhost.localdomain ([49.216.13.52]) by smtp.gmail.com with ESMTPSA id j26sm23435730pfe.181.2019.09.12.01.10.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 12 Sep 2019 01:10:41 -0700 (PDT) From: Gene Chen To: matthias.bgg@gmail.com, gene_chen@richtek.com, Wilma.Wu@mediatek.com Subject: [PATCH] mfd: mt6360: add pmic mt6360 driver Date: Thu, 12 Sep 2019 16:10:37 +0800 Message-Id: <1568275837-3560-1-git-send-email-gene.chen.richtek@gmail.com> X-Mailer: git-send-email 1.9.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190912_011043_547498_E49CDDEB X-CRM114-Status: GOOD ( 14.43 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at 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linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: Gene Chen --- drivers/mfd/Kconfig | 12 ++ drivers/mfd/Makefile | 1 + drivers/mfd/mt6360-core.c | 463 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 476 insertions(+) create mode 100644 drivers/mfd/mt6360-core.c diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index f129f96..a422c76 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -862,6 +862,18 @@ config MFD_MAX8998 additional drivers must be enabled in order to use the functionality of the device. +config MFD_MT6360 + tristate "Mediatek MT6360 SubPMIC" + select MFD_CORE + select REGMAP_I2C + select REGMAP_IRQ + depends on I2C + help + Say Y here to enable MT6360 PMU/PMIC/LDO functional support. + PMU part include charger, flashlight, rgb led + PMIC part include 2-channel BUCKs and 2-channel LDOs + LDO part include 4-channel LDOs + config MFD_MT6397 tristate "MediaTek MT6397 PMIC Support" select MFD_CORE diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index f026ada..77a8f0b 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -241,6 +241,7 @@ obj-$(CONFIG_INTEL_SOC_PMIC) += intel-soc-pmic.o obj-$(CONFIG_INTEL_SOC_PMIC_BXTWC) += intel_soc_pmic_bxtwc.o obj-$(CONFIG_INTEL_SOC_PMIC_CHTWC) += intel_soc_pmic_chtwc.o obj-$(CONFIG_INTEL_SOC_PMIC_CHTDC_TI) += intel_soc_pmic_chtdc_ti.o +obj-$(CONFIG_MFD_MT6360) += mt6360-core.o obj-$(CONFIG_MFD_MT6397) += mt6397-core.o obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c new file mode 100644 index 0000000..d3580618 --- /dev/null +++ b/drivers/mfd/mt6360-core.c @@ -0,0 +1,463 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 MediaTek Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +/* 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) + +#define MT6360_REGMAP_IRQ_REG(_irq_evt) \ + REGMAP_IRQ_REG(_irq_evt, (_irq_evt) / 8, BIT((_irq_evt) % 8)) + +#define MT6360_MFD_CELL(_name) \ + { \ + .name = #_name, \ + .of_compatible = "mediatek," #_name, \ + .num_resources = ARRAY_SIZE(_name##_resources), \ + .resources = _name##_resources, \ + } + +static const struct regmap_irq mt6360_pmu_irqs[] = { + MT6360_REGMAP_IRQ_REG(MT6360_CHG_TREG_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_AICR_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_MIVR_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_PWR_RDY_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_BATSYSUV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED_CHG_VINOVP_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_VSYSUV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_VSYSOV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_VBATOV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_VBUSOV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_WD_PMU_DET), + MT6360_REGMAP_IRQ_REG(MT6360_WD_PMU_DONE), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_TMRI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_ADPBADI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_RVPI), + MT6360_REGMAP_IRQ_REG(MT6360_OTPI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_AICCMEASL), + MT6360_REGMAP_IRQ_REG(MT6360_CHGDET_DONEI), + MT6360_REGMAP_IRQ_REG(MT6360_WDTMRI), + MT6360_REGMAP_IRQ_REG(MT6360_SSFINISHI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_RECHGI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_TERMI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_IEOCI), + MT6360_REGMAP_IRQ_REG(MT6360_PUMPX_DONEI), + MT6360_REGMAP_IRQ_REG(MT6360_CHG_TREG_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BAT_OVP_ADC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_TYPEC_OTP_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_ADC_WAKEUP_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_ADC_DONEI), + MT6360_REGMAP_IRQ_REG(MT6360_BST_BATUVI), + MT6360_REGMAP_IRQ_REG(MT6360_BST_VBUSOVI), + MT6360_REGMAP_IRQ_REG(MT6360_BST_OLPI), + MT6360_REGMAP_IRQ_REG(MT6360_ATTACH_I), + MT6360_REGMAP_IRQ_REG(MT6360_DETACH_I), + MT6360_REGMAP_IRQ_REG(MT6360_QC30_STPDONE), + MT6360_REGMAP_IRQ_REG(MT6360_QC_VBUSDET_DONE), + MT6360_REGMAP_IRQ_REG(MT6360_HVDCP_DET), + MT6360_REGMAP_IRQ_REG(MT6360_CHGDETI), + MT6360_REGMAP_IRQ_REG(MT6360_DCDTI), + MT6360_REGMAP_IRQ_REG(MT6360_FOD_DONE_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FOD_OV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHRDET_UVP_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHRDET_OVP_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_CHRDET_EXT_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FOD_LR_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FOD_HR_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FOD_DISCHG_FAIL_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_USBID_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_APWDTRST_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_EN_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_QONB_RST_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_MRSTB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_OTP_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_VDDAOV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_SYSUV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED_STRBPIN_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED_TORPIN_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED_TX_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED_LVF_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED2_SHORT_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED1_SHORT_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED2_STRB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED1_STRB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED2_STRB_TO_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED1_STRB_TO_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED2_TOR_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_FLED1_TOR_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_OV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK1_UV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_OV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_BUCK2_UV_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO1_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO2_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO3_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO5_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO6_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO7_OC_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO1_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO2_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO3_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO5_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO6_PGB_EVT), + MT6360_REGMAP_IRQ_REG(MT6360_LDO7_PGB_EVT), +}; + +static int mt6360_pmu_handle_post_irq(void *irq_drv_data) +{ + struct mt6360_pmu_info *mpi = irq_drv_data; + + return regmap_update_bits(mpi->regmap, + MT6360_PMU_IRQ_SET, MT6360_IRQ_RETRIG, MT6360_IRQ_RETRIG); +} + +static const struct regmap_irq_chip mt6360_pmu_irq_chip = { + .irqs = mt6360_pmu_irqs, + .num_irqs = ARRAY_SIZE(mt6360_pmu_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, + .handle_post_irq = mt6360_pmu_handle_post_irq, +}; + +static const struct regmap_config mt6360_pmu_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = MT6360_PMU_MAXREG, +}; + +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_pmic_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_LDO6_OC_EVT, "ldo6_oc_evt"), + DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_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 resource mt6360_ldo_resources[] = { + 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_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"), +}; + +static const struct mfd_cell mt6360_devs[] = { + MT6360_MFD_CELL(mt6360_adc), + MT6360_MFD_CELL(mt6360_chg), + MT6360_MFD_CELL(mt6360_led), + MT6360_MFD_CELL(mt6360_pmic), + MT6360_MFD_CELL(mt6360_ldo), + /* tcpc dev */ + { + .name = "mt6360_tcpc", + .of_compatible = "mediatek,mt6360_tcpc", + }, +}; + +static const unsigned short mt6360_slave_addr[MT6360_SLAVE_MAX] = { + MT6360_PMU_SLAVEID, + MT6360_PMIC_SLAVEID, + MT6360_LDO_SLAVEID, + MT6360_TCPC_SLAVEID, +}; + +static int mt6360_pmu_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct mt6360_pmu_info *mpi; + unsigned int reg_data = 0; + int i, ret; + + mpi = devm_kzalloc(&client->dev, sizeof(*mpi), GFP_KERNEL); + if (!mpi) + return -ENOMEM; + mpi->dev = &client->dev; + i2c_set_clientdata(client, mpi); + + /* regmap regiser */ + mpi->regmap = devm_regmap_init_i2c(client, &mt6360_pmu_regmap_config); + if (IS_ERR(mpi->regmap)) { + dev_err(&client->dev, "regmap register fail\n"); + return PTR_ERR(mpi->regmap); + } + /* chip id check */ + ret = regmap_read(mpi->regmap, MT6360_PMU_DEV_INFO, ®_data); + if (ret < 0) { + dev_err(&client->dev, "device not found\n"); + return ret; + } + if ((reg_data & CHIP_VEN_MASK) != CHIP_VEN_MT6360) { + dev_err(&client->dev, "not mt6360 chip\n"); + return -ENODEV; + } + mpi->chip_rev = reg_data & CHIP_REV_MASK; + /* irq register */ + memcpy(&mpi->irq_chip, &mt6360_pmu_irq_chip, sizeof(mpi->irq_chip)); + mpi->irq_chip.name = dev_name(&client->dev); + mpi->irq_chip.irq_drv_data = mpi; + ret = devm_regmap_add_irq_chip(&client->dev, mpi->regmap, client->irq, + IRQF_TRIGGER_FALLING, 0, &mpi->irq_chip, + &mpi->irq_data); + if (ret < 0) { + dev_err(&client->dev, "regmap irq chip add fail\n"); + return ret; + } + /* new i2c slave device */ + for (i = 0; i < MT6360_SLAVE_MAX; i++) { + if (mt6360_slave_addr[i] == client->addr) { + mpi->i2c[i] = client; + continue; + } + mpi->i2c[i] = i2c_new_dummy(client->adapter, + mt6360_slave_addr[i]); + if (!mpi->i2c[i]) { + dev_err(&client->dev, "new i2c dev [%d] fail\n", i); + ret = -ENODEV; + goto out; + } + i2c_set_clientdata(mpi->i2c[i], mpi); + } + /* mfd cell register */ + ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO, + mt6360_devs, ARRAY_SIZE(mt6360_devs), NULL, + 0, regmap_irq_get_domain(mpi->irq_data)); + if (ret < 0) { + dev_err(&client->dev, "mfd add cells fail\n"); + goto out; + } + dev_info(&client->dev, "Successfully probed\n"); + return 0; +out: + while (--i >= 0) { + if (mpi->i2c[i]->addr == client->addr) + continue; + i2c_unregister_device(mpi->i2c[i]); + } + return ret; +} + +static int mt6360_pmu_remove(struct i2c_client *client) +{ + struct mt6360_pmu_info *mpi = i2c_get_clientdata(client); + int i; + + for (i = 0; i < MT6360_SLAVE_MAX; i++) { + if (mpi->i2c[i]->addr == client->addr) + continue; + i2c_unregister_device(mpi->i2c[i]); + } + return 0; +} + +static int __maybe_unused mt6360_pmu_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_pmu_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_pmu_pm_ops, + mt6360_pmu_suspend, mt6360_pmu_resume); + +static const struct of_device_id __maybe_unused mt6360_pmu_of_id[] = { + { .compatible = "mediatek,mt6360_pmu", }, + {}, +}; +MODULE_DEVICE_TABLE(of, mt6360_pmu_of_id); + +static const struct i2c_device_id mt6360_pmu_id[] = { + { "mt6360_pmu", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(i2c, mt6360_pmu_id); + +static struct i2c_driver mt6360_pmu_driver = { + .driver = { + .name = "mt6360_pmu", + .owner = THIS_MODULE, + .pm = &mt6360_pmu_pm_ops, + .of_match_table = of_match_ptr(mt6360_pmu_of_id), + }, + .probe = mt6360_pmu_probe, + .remove = mt6360_pmu_remove, + .id_table = mt6360_pmu_id, +}; +module_i2c_driver(mt6360_pmu_driver); + +MODULE_AUTHOR("CY_Huang "); +MODULE_DESCRIPTION("MT6360 PMU I2C Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("1.0.0");