From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/mfd/max77705.c | 180 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 drivers/mfd/max77705.c (limited to 'drivers/mfd/max77705.c') diff --git a/drivers/mfd/max77705.c b/drivers/mfd/max77705.c new file mode 100644 index 000000000..e98c76d6b --- /dev/null +++ b/drivers/mfd/max77705.c @@ -0,0 +1,180 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Maxim MAX77705 PMIC core driver + * + * Copyright (C) 2025 Dzmitry Sankouski + **/ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static struct mfd_cell max77705_devs[] = { + MFD_CELL_OF("max77705-rgb", NULL, NULL, 0, 0, "maxim,max77705-rgb"), + MFD_CELL_OF("max77705-charger", NULL, NULL, 0, 0, "maxim,max77705-charger"), + MFD_CELL_OF("max77705-haptic", NULL, NULL, 0, 0, "maxim,max77705-haptic"), +}; + +static const struct regmap_range max77705_readable_ranges[] = { + regmap_reg_range(MAX77705_PMIC_REG_PMICID1, MAX77705_PMIC_REG_BSTOUT_MASK), + regmap_reg_range(MAX77705_PMIC_REG_INTSRC, MAX77705_PMIC_REG_RESERVED_29), + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1), + regmap_reg_range(MAX77705_PMIC_REG_MCONFIG, MAX77705_PMIC_REG_MCONFIG2), + regmap_reg_range(MAX77705_PMIC_REG_FORCE_EN_MASK, MAX77705_PMIC_REG_FORCE_EN_MASK), + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1), + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL2, MAX77705_PMIC_REG_BOOSTCONTROL2), + regmap_reg_range(MAX77705_PMIC_REG_SW_RESET, MAX77705_PMIC_REG_USBC_RESET), +}; + +static const struct regmap_range max77705_writable_ranges[] = { + regmap_reg_range(MAX77705_PMIC_REG_MAINCTRL1, MAX77705_PMIC_REG_BSTOUT_MASK), + regmap_reg_range(MAX77705_PMIC_REG_INTSRC, MAX77705_PMIC_REG_RESERVED_29), + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1), + regmap_reg_range(MAX77705_PMIC_REG_MCONFIG, MAX77705_PMIC_REG_MCONFIG2), + regmap_reg_range(MAX77705_PMIC_REG_FORCE_EN_MASK, MAX77705_PMIC_REG_FORCE_EN_MASK), + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL1, MAX77705_PMIC_REG_BOOSTCONTROL1), + regmap_reg_range(MAX77705_PMIC_REG_BOOSTCONTROL2, MAX77705_PMIC_REG_BOOSTCONTROL2), + regmap_reg_range(MAX77705_PMIC_REG_SW_RESET, MAX77705_PMIC_REG_USBC_RESET), +}; + +static const struct regmap_access_table max77705_readable_table = { + .yes_ranges = max77705_readable_ranges, + .n_yes_ranges = ARRAY_SIZE(max77705_readable_ranges), +}; + +static const struct regmap_access_table max77705_writable_table = { + .yes_ranges = max77705_writable_ranges, + .n_yes_ranges = ARRAY_SIZE(max77705_writable_ranges), +}; + +static const struct regmap_config max77705_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .rd_table = &max77705_readable_table, + .wr_table = &max77705_writable_table, + .max_register = MAX77705_PMIC_REG_USBC_RESET, +}; + +static const struct regmap_irq max77705_irqs[] = { + { .mask = MAX77705_SRC_IRQ_CHG, }, + { .mask = MAX77705_SRC_IRQ_TOP, }, + { .mask = MAX77705_SRC_IRQ_FG, }, + { .mask = MAX77705_SRC_IRQ_USBC, }, +}; + +static const struct regmap_irq_chip max77705_irq_chip = { + .name = "max77705", + .status_base = MAX77705_PMIC_REG_INTSRC, + .ack_base = MAX77705_PMIC_REG_INTSRC, + .mask_base = MAX77705_PMIC_REG_INTSRC_MASK, + .num_regs = 1, + .irqs = max77705_irqs, + .num_irqs = ARRAY_SIZE(max77705_irqs), +}; + +static int max77705_i2c_probe(struct i2c_client *i2c) +{ + struct device *dev = &i2c->dev; + struct max77693_dev *max77705; + struct regmap_irq_chip_data *irq_data; + struct irq_domain *domain; + enum max77705_hw_rev pmic_rev; + unsigned int pmic_rev_value; + int ret; + + max77705 = devm_kzalloc(dev, sizeof(*max77705), GFP_KERNEL); + if (!max77705) + return -ENOMEM; + + max77705->i2c = i2c; + max77705->type = TYPE_MAX77705; + i2c_set_clientdata(i2c, max77705); + + max77705->regmap = devm_regmap_init_i2c(i2c, &max77705_regmap_config); + if (IS_ERR(max77705->regmap)) + return PTR_ERR(max77705->regmap); + + ret = regmap_read(max77705->regmap, MAX77705_PMIC_REG_PMICREV, &pmic_rev_value); + if (ret < 0) + return -ENODEV; + + pmic_rev = pmic_rev_value & MAX77705_REVISION_MASK; + if (pmic_rev != MAX77705_PASS3) + return dev_err_probe(dev, -ENODEV, "Rev.0x%x is not tested\n", pmic_rev); + + /* Active Discharge Enable */ + regmap_update_bits(max77705->regmap, MAX77705_PMIC_REG_MAINCTRL1, 1, 1); + + ret = devm_regmap_add_irq_chip(dev, max77705->regmap, + i2c->irq, + IRQF_ONESHOT, 0, + &max77705_irq_chip, + &irq_data); + if (ret) + return dev_err_probe(dev, ret, "Failed to add IRQ chip\n"); + + domain = regmap_irq_get_domain(irq_data); + + ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE, + max77705_devs, ARRAY_SIZE(max77705_devs), + NULL, 0, domain); + if (ret) + return dev_err_probe(dev, ret, "Failed to register child devices\n"); + + ret = devm_device_init_wakeup(dev); + if (ret) + return dev_err_probe(dev, ret, "Failed to init wakeup\n"); + + return 0; +} + +static int max77705_suspend(struct device *dev) +{ + struct i2c_client *i2c = to_i2c_client(dev); + + disable_irq(i2c->irq); + + if (device_may_wakeup(dev)) + enable_irq_wake(i2c->irq); + + return 0; +} + +static int max77705_resume(struct device *dev) +{ + struct i2c_client *i2c = to_i2c_client(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(i2c->irq); + + enable_irq(i2c->irq); + + return 0; +} +static DEFINE_SIMPLE_DEV_PM_OPS(max77705_pm_ops, max77705_suspend, max77705_resume); + +static const struct of_device_id max77705_i2c_of_match[] = { + { .compatible = "maxim,max77705" }, + { } +}; +MODULE_DEVICE_TABLE(of, max77705_i2c_of_match); + +static struct i2c_driver max77705_i2c_driver = { + .driver = { + .name = "max77705", + .of_match_table = max77705_i2c_of_match, + .pm = pm_sleep_ptr(&max77705_pm_ops), + }, + .probe = max77705_i2c_probe +}; +module_i2c_driver(max77705_i2c_driver); + +MODULE_DESCRIPTION("Maxim MAX77705 PMIC core driver"); +MODULE_AUTHOR("Dzmitry Sankouski "); +MODULE_LICENSE("GPL"); -- cgit v1.3.1