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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/mfd/rt5033.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
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
...
Diffstat (limited to 'drivers/mfd/rt5033.c')
| -rw-r--r-- | drivers/mfd/rt5033.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/mfd/rt5033.c b/drivers/mfd/rt5033.c new file mode 100644 index 000000000..072fd4447 --- /dev/null +++ b/drivers/mfd/rt5033.c @@ -0,0 +1,133 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * MFD core driver for the Richtek RT5033. + * + * RT5033 comprises multiple sub-devices switcing charger, fuel gauge, + * flash LED, current source, LDO and BUCK regulators. + * + * Copyright (C) 2014 Samsung Electronics, Co., Ltd. + * Author: Beomho Seo <beomho.seo@samsung.com> + */ + +#include <linux/err.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/mfd/core.h> +#include <linux/mfd/rt5033.h> +#include <linux/mfd/rt5033-private.h> + +static const struct regmap_irq rt5033_irqs[] = { + { .mask = RT5033_PMIC_IRQ_BUCKOCP, }, + { .mask = RT5033_PMIC_IRQ_BUCKLV, }, + { .mask = RT5033_PMIC_IRQ_SAFELDOLV, }, + { .mask = RT5033_PMIC_IRQ_LDOLV, }, + { .mask = RT5033_PMIC_IRQ_OT, }, + { .mask = RT5033_PMIC_IRQ_VDDA_UV, }, +}; + +static const struct regmap_irq_chip rt5033_irq_chip = { + .name = "rt5033", + .status_base = RT5033_REG_PMIC_IRQ_STAT, + .unmask_base = RT5033_REG_PMIC_IRQ_CTRL, + .num_regs = 1, + .irqs = rt5033_irqs, + .num_irqs = ARRAY_SIZE(rt5033_irqs), +}; + +static const struct mfd_cell rt5033_devs[] = { + { .name = "rt5033-regulator", }, + { + .name = "rt5033-charger", + .of_compatible = "richtek,rt5033-charger", + }, { + .name = "rt5033-led", + .of_compatible = "richtek,rt5033-led", + }, +}; + +static const struct regmap_config rt5033_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = RT5033_REG_END, +}; + +static int rt5033_i2c_probe(struct i2c_client *i2c) +{ + struct rt5033_dev *rt5033; + unsigned int dev_id, chip_rev; + int ret; + + rt5033 = devm_kzalloc(&i2c->dev, sizeof(*rt5033), GFP_KERNEL); + if (!rt5033) + return -ENOMEM; + + i2c_set_clientdata(i2c, rt5033); + rt5033->dev = &i2c->dev; + rt5033->irq = i2c->irq; + rt5033->wakeup = true; + + rt5033->regmap = devm_regmap_init_i2c(i2c, &rt5033_regmap_config); + if (IS_ERR(rt5033->regmap)) { + dev_err(&i2c->dev, "Failed to allocate register map.\n"); + return PTR_ERR(rt5033->regmap); + } + + ret = regmap_read(rt5033->regmap, RT5033_REG_DEVICE_ID, &dev_id); + if (ret) { + dev_err(&i2c->dev, "Device not found\n"); + return -ENODEV; + } + chip_rev = dev_id & RT5033_CHIP_REV_MASK; + dev_info(&i2c->dev, "Device found (rev. %d)\n", chip_rev); + + ret = devm_regmap_add_irq_chip(rt5033->dev, rt5033->regmap, + rt5033->irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + 0, &rt5033_irq_chip, &rt5033->irq_data); + if (ret) { + dev_err(&i2c->dev, "Failed to request IRQ %d: %d\n", + rt5033->irq, ret); + return ret; + } + + ret = devm_mfd_add_devices(rt5033->dev, -1, rt5033_devs, + ARRAY_SIZE(rt5033_devs), NULL, 0, + regmap_irq_get_domain(rt5033->irq_data)); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to add RT5033 child devices.\n"); + return ret; + } + + if (rt5033->wakeup) { + ret = devm_device_init_wakeup(rt5033->dev); + if (ret) + return dev_err_probe(rt5033->dev, ret, "Failed to init wakeup\n"); + } + + return 0; +} + +static const struct i2c_device_id rt5033_i2c_id[] = { + { "rt5033", }, + { } +}; +MODULE_DEVICE_TABLE(i2c, rt5033_i2c_id); + +static const struct of_device_id rt5033_dt_match[] = { + { .compatible = "richtek,rt5033", }, + { } +}; +MODULE_DEVICE_TABLE(of, rt5033_dt_match); + +static struct i2c_driver rt5033_driver = { + .driver = { + .name = "rt5033", + .of_match_table = rt5033_dt_match, + }, + .probe = rt5033_i2c_probe, + .id_table = rt5033_i2c_id, +}; +module_i2c_driver(rt5033_driver); + +MODULE_DESCRIPTION("Richtek RT5033 multi-function core driver"); +MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>"); +MODULE_LICENSE("GPL"); |
