Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Misael Lopez Cruz | 1657 | 46.81% | 1 | 1.85% |
Peter Ujfalusi | 1584 | 44.75% | 30 | 55.56% |
Mark Brown | 100 | 2.82% | 2 | 3.70% |
Tony Lindgren | 46 | 1.30% | 2 | 3.70% |
Javier Martinez Canillas | 31 | 0.88% | 2 | 3.70% |
Florian Vaussard | 27 | 0.76% | 1 | 1.85% |
Samuel Ortiz | 23 | 0.65% | 1 | 1.85% |
Johan Hovold | 21 | 0.59% | 1 | 1.85% |
Jingoo Han | 18 | 0.51% | 1 | 1.85% |
David Frey | 6 | 0.17% | 1 | 1.85% |
Wolfram Sang | 6 | 0.17% | 1 | 1.85% |
Julia Lawall | 6 | 0.17% | 1 | 1.85% |
Axel Lin | 5 | 0.14% | 3 | 5.56% |
Wei Yongjun | 3 | 0.08% | 2 | 3.70% |
Krzysztof Kozlowski | 2 | 0.06% | 1 | 1.85% |
Thomas Gleixner | 2 | 0.06% | 1 | 1.85% |
Uwe Kleine-König | 1 | 0.03% | 1 | 1.85% |
Fengguang Wu | 1 | 0.03% | 1 | 1.85% |
Nariman Poushin | 1 | 0.03% | 1 | 1.85% |
Total | 3540 | 54 |
// SPDX-License-Identifier: GPL-2.0-only /* * MFD driver for TWL6040 audio device * * Authors: Misael Lopez Cruz <misael.lopez@ti.com> * Jorge Eduardo Candelaria <jorge.candelaria@ti.com> * Peter Ujfalusi <peter.ujfalusi@ti.com> * * Copyright: (C) 2011 Texas Instruments, Inc. */ #include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/kernel.h> #include <linux/err.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_gpio.h> #include <linux/of_platform.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/mfd/core.h> #include <linux/mfd/twl6040.h> #include <linux/regulator/consumer.h> #define VIBRACTRL_MEMBER(reg) ((reg == TWL6040_REG_VIBCTLL) ? 0 : 1) #define TWL6040_NUM_SUPPLIES (2) static const struct reg_default twl6040_defaults[] = { { 0x01, 0x4B }, /* REG_ASICID (ro) */ { 0x02, 0x00 }, /* REG_ASICREV (ro) */ { 0x03, 0x00 }, /* REG_INTID */ { 0x04, 0x00 }, /* REG_INTMR */ { 0x05, 0x00 }, /* REG_NCPCTRL */ { 0x06, 0x00 }, /* REG_LDOCTL */ { 0x07, 0x60 }, /* REG_HPPLLCTL */ { 0x08, 0x00 }, /* REG_LPPLLCTL */ { 0x09, 0x4A }, /* REG_LPPLLDIV */ { 0x0A, 0x00 }, /* REG_AMICBCTL */ { 0x0B, 0x00 }, /* REG_DMICBCTL */ { 0x0C, 0x00 }, /* REG_MICLCTL */ { 0x0D, 0x00 }, /* REG_MICRCTL */ { 0x0E, 0x00 }, /* REG_MICGAIN */ { 0x0F, 0x1B }, /* REG_LINEGAIN */ { 0x10, 0x00 }, /* REG_HSLCTL */ { 0x11, 0x00 }, /* REG_HSRCTL */ { 0x12, 0x00 }, /* REG_HSGAIN */ { 0x13, 0x00 }, /* REG_EARCTL */ { 0x14, 0x00 }, /* REG_HFLCTL */ { 0x15, 0x00 }, /* REG_HFLGAIN */ { 0x16, 0x00 }, /* REG_HFRCTL */ { 0x17, 0x00 }, /* REG_HFRGAIN */ { 0x18, 0x00 }, /* REG_VIBCTLL */ { 0x19, 0x00 }, /* REG_VIBDATL */ { 0x1A, 0x00 }, /* REG_VIBCTLR */ { 0x1B, 0x00 }, /* REG_VIBDATR */ { 0x1C, 0x00 }, /* REG_HKCTL1 */ { 0x1D, 0x00 }, /* REG_HKCTL2 */ { 0x1E, 0x00 }, /* REG_GPOCTL */ { 0x1F, 0x00 }, /* REG_ALB */ { 0x20, 0x00 }, /* REG_DLB */ /* 0x28, REG_TRIM1 */ /* 0x29, REG_TRIM2 */ /* 0x2A, REG_TRIM3 */ /* 0x2B, REG_HSOTRIM */ /* 0x2C, REG_HFOTRIM */ { 0x2D, 0x08 }, /* REG_ACCCTL */ { 0x2E, 0x00 }, /* REG_STATUS (ro) */ }; static struct reg_sequence twl6040_patch[] = { /* * Select I2C bus access to dual access registers * Interrupt register is cleared on read * Select fast mode for i2c (400KHz) */ { TWL6040_REG_ACCCTL, TWL6040_I2CSEL | TWL6040_INTCLRMODE | TWL6040_I2CMODE(1) }, }; static bool twl6040_has_vibra(struct device_node *parent) { struct device_node *node; node = of_get_child_by_name(parent, "vibra"); if (node) { of_node_put(node); return true; } return false; } int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg) { int ret; unsigned int val; ret = regmap_read(twl6040->regmap, reg, &val); if (ret < 0) return ret; return val; } EXPORT_SYMBOL(twl6040_reg_read); int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg, u8 val) { int ret; ret = regmap_write(twl6040->regmap, reg, val); return ret; } EXPORT_SYMBOL(twl6040_reg_write); int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask) { return regmap_update_bits(twl6040->regmap, reg, mask, mask); } EXPORT_SYMBOL(twl6040_set_bits); int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg, u8 mask) { return regmap_update_bits(twl6040->regmap, reg, mask, 0); } EXPORT_SYMBOL(twl6040_clear_bits); /* twl6040 codec manual power-up sequence */ static int twl6040_power_up_manual(struct twl6040 *twl6040) { u8 ldoctl, ncpctl, lppllctl; int ret; /* enable high-side LDO, reference system and internal oscillator */ ldoctl = TWL6040_HSLDOENA | TWL6040_REFENA | TWL6040_OSCENA; ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); if (ret) return ret; usleep_range(10000, 10500); /* enable negative charge pump */ ncpctl = TWL6040_NCPENA; ret = twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl); if (ret) goto ncp_err; usleep_range(1000, 1500); /* enable low-side LDO */ ldoctl |= TWL6040_LSLDOENA; ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); if (ret) goto lsldo_err; usleep_range(1000, 1500); /* enable low-power PLL */ lppllctl = TWL6040_LPLLENA; ret = twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); if (ret) goto lppll_err; usleep_range(5000, 5500); /* disable internal oscillator */ ldoctl &= ~TWL6040_OSCENA; ret = twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); if (ret) goto osc_err; return 0; osc_err: lppllctl &= ~TWL6040_LPLLENA; twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); lppll_err: ldoctl &= ~TWL6040_LSLDOENA; twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); lsldo_err: ncpctl &= ~TWL6040_NCPENA; twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl); ncp_err: ldoctl &= ~(TWL6040_HSLDOENA | TWL6040_REFENA | TWL6040_OSCENA); twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); dev_err(twl6040->dev, "manual power-up failed\n"); return ret; } /* twl6040 manual power-down sequence */ static void twl6040_power_down_manual(struct twl6040 *twl6040) { u8 ncpctl, ldoctl, lppllctl; ncpctl = twl6040_reg_read(twl6040, TWL6040_REG_NCPCTL); ldoctl = twl6040_reg_read(twl6040, TWL6040_REG_LDOCTL); lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL); /* enable internal oscillator */ ldoctl |= TWL6040_OSCENA; twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); usleep_range(1000, 1500); /* disable low-power PLL */ lppllctl &= ~TWL6040_LPLLENA; twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); /* disable low-side LDO */ ldoctl &= ~TWL6040_LSLDOENA; twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); /* disable negative charge pump */ ncpctl &= ~TWL6040_NCPENA; twl6040_reg_write(twl6040, TWL6040_REG_NCPCTL, ncpctl); /* disable high-side LDO, reference system and internal oscillator */ ldoctl &= ~(TWL6040_HSLDOENA | TWL6040_REFENA | TWL6040_OSCENA); twl6040_reg_write(twl6040, TWL6040_REG_LDOCTL, ldoctl); } static irqreturn_t twl6040_readyint_handler(int irq, void *data) { struct twl6040 *twl6040 = data; complete(&twl6040->ready); return IRQ_HANDLED; } static irqreturn_t twl6040_thint_handler(int irq, void *data) { struct twl6040 *twl6040 = data; u8 status; status = twl6040_reg_read(twl6040, TWL6040_REG_STATUS); if (status & TWL6040_TSHUTDET) { dev_warn(twl6040->dev, "Thermal shutdown, powering-off"); twl6040_power(twl6040, 0); } else { dev_warn(twl6040->dev, "Leaving thermal shutdown, powering-on"); twl6040_power(twl6040, 1); } return IRQ_HANDLED; } static int twl6040_power_up_automatic(struct twl6040 *twl6040) { int time_left; gpio_set_value(twl6040->audpwron, 1); time_left = wait_for_completion_timeout(&twl6040->ready, msecs_to_jiffies(144)); if (!time_left) { u8 intid; dev_warn(twl6040->dev, "timeout waiting for READYINT\n"); intid = twl6040_reg_read(twl6040, TWL6040_REG_INTID); if (!(intid & TWL6040_READYINT)) { dev_err(twl6040->dev, "automatic power-up failed\n"); gpio_set_value(twl6040->audpwron, 0); return -ETIMEDOUT; } } return 0; } int twl6040_power(struct twl6040 *twl6040, int on) { int ret = 0; mutex_lock(&twl6040->mutex); if (on) { /* already powered-up */ if (twl6040->power_count++) goto out; ret = clk_prepare_enable(twl6040->clk32k); if (ret) { twl6040->power_count = 0; goto out; } /* Allow writes to the chip */ regcache_cache_only(twl6040->regmap, false); if (gpio_is_valid(twl6040->audpwron)) { /* use automatic power-up sequence */ ret = twl6040_power_up_automatic(twl6040); if (ret) { clk_disable_unprepare(twl6040->clk32k); twl6040->power_count = 0; goto out; } } else { /* use manual power-up sequence */ ret = twl6040_power_up_manual(twl6040); if (ret) { clk_disable_unprepare(twl6040->clk32k); twl6040->power_count = 0; goto out; } } /* * Register access can produce errors after power-up unless we * wait at least 8ms based on measurements on duovero. */ usleep_range(10000, 12000); /* Sync with the HW */ ret = regcache_sync(twl6040->regmap); if (ret) { dev_err(twl6040->dev, "Failed to sync with the HW: %i\n", ret); goto out; } /* Default PLL configuration after power up */ twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL; twl6040->sysclk_rate = 19200000; } else { /* already powered-down */ if (!twl6040->power_count) { dev_err(twl6040->dev, "device is already powered-off\n"); ret = -EPERM; goto out; } if (--twl6040->power_count) goto out; if (gpio_is_valid(twl6040->audpwron)) { /* use AUDPWRON line */ gpio_set_value(twl6040->audpwron, 0); /* power-down sequence latency */ usleep_range(500, 700); } else { /* use manual power-down sequence */ twl6040_power_down_manual(twl6040); } /* Set regmap to cache only and mark it as dirty */ regcache_cache_only(twl6040->regmap, true); regcache_mark_dirty(twl6040->regmap); twl6040->sysclk_rate = 0; if (twl6040->pll == TWL6040_SYSCLK_SEL_HPPLL) { clk_disable_unprepare(twl6040->mclk); twl6040->mclk_rate = 0; } clk_disable_unprepare(twl6040->clk32k); } out: mutex_unlock(&twl6040->mutex); return ret; } EXPORT_SYMBOL(twl6040_power); int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, unsigned int freq_in, unsigned int freq_out) { u8 hppllctl, lppllctl; int ret = 0; mutex_lock(&twl6040->mutex); hppllctl = twl6040_reg_read(twl6040, TWL6040_REG_HPPLLCTL); lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL); /* Force full reconfiguration when switching between PLL */ if (pll_id != twl6040->pll) { twl6040->sysclk_rate = 0; twl6040->mclk_rate = 0; } switch (pll_id) { case TWL6040_SYSCLK_SEL_LPPLL: /* low-power PLL divider */ /* Change the sysclk configuration only if it has been canged */ if (twl6040->sysclk_rate != freq_out) { switch (freq_out) { case 17640000: lppllctl |= TWL6040_LPLLFIN; break; case 19200000: lppllctl &= ~TWL6040_LPLLFIN; break; default: dev_err(twl6040->dev, "freq_out %d not supported\n", freq_out); ret = -EINVAL; goto pll_out; } twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); } /* The PLL in use has not been change, we can exit */ if (twl6040->pll == pll_id) break; switch (freq_in) { case 32768: lppllctl |= TWL6040_LPLLENA; twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); mdelay(5); lppllctl &= ~TWL6040_HPLLSEL; twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); hppllctl &= ~TWL6040_HPLLENA; twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, hppllctl); break; default: dev_err(twl6040->dev, "freq_in %d not supported\n", freq_in); ret = -EINVAL; goto pll_out; } clk_disable_unprepare(twl6040->mclk); break; case TWL6040_SYSCLK_SEL_HPPLL: /* high-performance PLL can provide only 19.2 MHz */ if (freq_out != 19200000) { dev_err(twl6040->dev, "freq_out %d not supported\n", freq_out); ret = -EINVAL; goto pll_out; } if (twl6040->mclk_rate != freq_in) { hppllctl &= ~TWL6040_MCLK_MSK; switch (freq_in) { case 12000000: /* PLL enabled, active mode */ hppllctl |= TWL6040_MCLK_12000KHZ | TWL6040_HPLLENA; break; case 19200000: /* PLL enabled, bypass mode */ hppllctl |= TWL6040_MCLK_19200KHZ | TWL6040_HPLLBP | TWL6040_HPLLENA; break; case 26000000: /* PLL enabled, active mode */ hppllctl |= TWL6040_MCLK_26000KHZ | TWL6040_HPLLENA; break; case 38400000: /* PLL enabled, bypass mode */ hppllctl |= TWL6040_MCLK_38400KHZ | TWL6040_HPLLBP | TWL6040_HPLLENA; break; default: dev_err(twl6040->dev, "freq_in %d not supported\n", freq_in); ret = -EINVAL; goto pll_out; } /* When switching to HPPLL, enable the mclk first */ if (pll_id != twl6040->pll) clk_prepare_enable(twl6040->mclk); /* * enable clock slicer to ensure input waveform is * square */ hppllctl |= TWL6040_HPLLSQRENA; twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, hppllctl); usleep_range(500, 700); lppllctl |= TWL6040_HPLLSEL; twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); lppllctl &= ~TWL6040_LPLLENA; twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); twl6040->mclk_rate = freq_in; } break; default: dev_err(twl6040->dev, "unknown pll id %d\n", pll_id); ret = -EINVAL; goto pll_out; } twl6040->sysclk_rate = freq_out; twl6040->pll = pll_id; pll_out: mutex_unlock(&twl6040->mutex); return ret; } EXPORT_SYMBOL(twl6040_set_pll); int twl6040_get_pll(struct twl6040 *twl6040) { if (twl6040->power_count) return twl6040->pll; else return -ENODEV; } EXPORT_SYMBOL(twl6040_get_pll); unsigned int twl6040_get_sysclk(struct twl6040 *twl6040) { return twl6040->sysclk_rate; } EXPORT_SYMBOL(twl6040_get_sysclk); /* Get the combined status of the vibra control register */ int twl6040_get_vibralr_status(struct twl6040 *twl6040) { unsigned int reg; int ret; u8 status; ret = regmap_read(twl6040->regmap, TWL6040_REG_VIBCTLL, ®); if (ret != 0) return ret; status = reg; ret = regmap_read(twl6040->regmap, TWL6040_REG_VIBCTLR, ®); if (ret != 0) return ret; status |= reg; status &= (TWL6040_VIBENA | TWL6040_VIBSEL); return status; } EXPORT_SYMBOL(twl6040_get_vibralr_status); static struct resource twl6040_vibra_rsrc[] = { { .flags = IORESOURCE_IRQ, }, }; static struct resource twl6040_codec_rsrc[] = { { .flags = IORESOURCE_IRQ, }, }; static bool twl6040_readable_reg(struct device *dev, unsigned int reg) { /* Register 0 is not readable */ if (!reg) return false; return true; } static bool twl6040_volatile_reg(struct device *dev, unsigned int reg) { switch (reg) { case TWL6040_REG_ASICID: case TWL6040_REG_ASICREV: case TWL6040_REG_INTID: case TWL6040_REG_LPPLLCTL: case TWL6040_REG_HPPLLCTL: case TWL6040_REG_STATUS: return true; default: return false; } } static bool twl6040_writeable_reg(struct device *dev, unsigned int reg) { switch (reg) { case TWL6040_REG_ASICID: case TWL6040_REG_ASICREV: case TWL6040_REG_STATUS: return false; default: return true; } } static const struct regmap_config twl6040_regmap_config = { .reg_bits = 8, .val_bits = 8, .reg_defaults = twl6040_defaults, .num_reg_defaults = ARRAY_SIZE(twl6040_defaults), .max_register = TWL6040_REG_STATUS, /* 0x2e */ .readable_reg = twl6040_readable_reg, .volatile_reg = twl6040_volatile_reg, .writeable_reg = twl6040_writeable_reg, .cache_type = REGCACHE_RBTREE, .use_single_read = true, .use_single_write = true, }; static const struct regmap_irq twl6040_irqs[] = { { .reg_offset = 0, .mask = TWL6040_THINT, }, { .reg_offset = 0, .mask = TWL6040_PLUGINT | TWL6040_UNPLUGINT, }, { .reg_offset = 0, .mask = TWL6040_HOOKINT, }, { .reg_offset = 0, .mask = TWL6040_HFINT, }, { .reg_offset = 0, .mask = TWL6040_VIBINT, }, { .reg_offset = 0, .mask = TWL6040_READYINT, }, }; static struct regmap_irq_chip twl6040_irq_chip = { .name = "twl6040", .irqs = twl6040_irqs, .num_irqs = ARRAY_SIZE(twl6040_irqs), .num_regs = 1, .status_base = TWL6040_REG_INTID, .mask_base = TWL6040_REG_INTMR, }; static int twl6040_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device_node *node = client->dev.of_node; struct twl6040 *twl6040; struct mfd_cell *cell = NULL; int irq, ret, children = 0; if (!node) { dev_err(&client->dev, "of node is missing\n"); return -EINVAL; } /* In order to operate correctly we need valid interrupt config */ if (!client->irq) { dev_err(&client->dev, "Invalid IRQ configuration\n"); return -EINVAL; } twl6040 = devm_kzalloc(&client->dev, sizeof(struct twl6040), GFP_KERNEL); if (!twl6040) return -ENOMEM; twl6040->regmap = devm_regmap_init_i2c(client, &twl6040_regmap_config); if (IS_ERR(twl6040->regmap)) return PTR_ERR(twl6040->regmap); i2c_set_clientdata(client, twl6040); twl6040->clk32k = devm_clk_get(&client->dev, "clk32k"); if (IS_ERR(twl6040->clk32k)) { if (PTR_ERR(twl6040->clk32k) == -EPROBE_DEFER) return -EPROBE_DEFER; dev_dbg(&client->dev, "clk32k is not handled\n"); twl6040->clk32k = NULL; } twl6040->mclk = devm_clk_get(&client->dev, "mclk"); if (IS_ERR(twl6040->mclk)) { if (PTR_ERR(twl6040->mclk) == -EPROBE_DEFER) return -EPROBE_DEFER; dev_dbg(&client->dev, "mclk is not handled\n"); twl6040->mclk = NULL; } twl6040->supplies[0].supply = "vio"; twl6040->supplies[1].supply = "v2v1"; ret = devm_regulator_bulk_get(&client->dev, TWL6040_NUM_SUPPLIES, twl6040->supplies); if (ret != 0) { dev_err(&client->dev, "Failed to get supplies: %d\n", ret); return ret; } ret = regulator_bulk_enable(TWL6040_NUM_SUPPLIES, twl6040->supplies); if (ret != 0) { dev_err(&client->dev, "Failed to enable supplies: %d\n", ret); return ret; } twl6040->dev = &client->dev; twl6040->irq = client->irq; mutex_init(&twl6040->mutex); init_completion(&twl6040->ready); regmap_register_patch(twl6040->regmap, twl6040_patch, ARRAY_SIZE(twl6040_patch)); twl6040->rev = twl6040_reg_read(twl6040, TWL6040_REG_ASICREV); if (twl6040->rev < 0) { dev_err(&client->dev, "Failed to read revision register: %d\n", twl6040->rev); ret = twl6040->rev; goto gpio_err; } /* ERRATA: Automatic power-up is not possible in ES1.0 */ if (twl6040_get_revid(twl6040) > TWL6040_REV_ES1_0) twl6040->audpwron = of_get_named_gpio(node, "ti,audpwron-gpio", 0); else twl6040->audpwron = -EINVAL; if (gpio_is_valid(twl6040->audpwron)) { ret = devm_gpio_request_one(&client->dev, twl6040->audpwron, GPIOF_OUT_INIT_LOW, "audpwron"); if (ret) goto gpio_err; /* Clear any pending interrupt */ twl6040_reg_read(twl6040, TWL6040_REG_INTID); } ret = regmap_add_irq_chip(twl6040->regmap, twl6040->irq, IRQF_ONESHOT, 0, &twl6040_irq_chip, &twl6040->irq_data); if (ret < 0) goto gpio_err; twl6040->irq_ready = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_READY); twl6040->irq_th = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_TH); ret = devm_request_threaded_irq(twl6040->dev, twl6040->irq_ready, NULL, twl6040_readyint_handler, IRQF_ONESHOT, "twl6040_irq_ready", twl6040); if (ret) { dev_err(twl6040->dev, "READY IRQ request failed: %d\n", ret); goto readyirq_err; } ret = devm_request_threaded_irq(twl6040->dev, twl6040->irq_th, NULL, twl6040_thint_handler, IRQF_ONESHOT, "twl6040_irq_th", twl6040); if (ret) { dev_err(twl6040->dev, "Thermal IRQ request failed: %d\n", ret); goto readyirq_err; } /* * The main functionality of twl6040 to provide audio on OMAP4+ systems. * We can add the ASoC codec child whenever this driver has been loaded. */ irq = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_PLUG); cell = &twl6040->cells[children]; cell->name = "twl6040-codec"; twl6040_codec_rsrc[0].start = irq; twl6040_codec_rsrc[0].end = irq; cell->resources = twl6040_codec_rsrc; cell->num_resources = ARRAY_SIZE(twl6040_codec_rsrc); children++; /* Vibra input driver support */ if (twl6040_has_vibra(node)) { irq = regmap_irq_get_virq(twl6040->irq_data, TWL6040_IRQ_VIB); cell = &twl6040->cells[children]; cell->name = "twl6040-vibra"; twl6040_vibra_rsrc[0].start = irq; twl6040_vibra_rsrc[0].end = irq; cell->resources = twl6040_vibra_rsrc; cell->num_resources = ARRAY_SIZE(twl6040_vibra_rsrc); children++; } /* GPO support */ cell = &twl6040->cells[children]; cell->name = "twl6040-gpo"; children++; /* PDM clock support */ cell = &twl6040->cells[children]; cell->name = "twl6040-pdmclk"; children++; /* The chip is powered down so mark regmap to cache only and dirty */ regcache_cache_only(twl6040->regmap, true); regcache_mark_dirty(twl6040->regmap); ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children, NULL, 0, NULL); if (ret) goto readyirq_err; return 0; readyirq_err: regmap_del_irq_chip(twl6040->irq, twl6040->irq_data); gpio_err: regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies); return ret; } static void twl6040_remove(struct i2c_client *client) { struct twl6040 *twl6040 = i2c_get_clientdata(client); if (twl6040->power_count) twl6040_power(twl6040, 0); regmap_del_irq_chip(twl6040->irq, twl6040->irq_data); mfd_remove_devices(&client->dev); regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies); } static const struct i2c_device_id twl6040_i2c_id[] = { { "twl6040", 0, }, { "twl6041", 0, }, { }, }; MODULE_DEVICE_TABLE(i2c, twl6040_i2c_id); static struct i2c_driver twl6040_driver = { .driver = { .name = "twl6040", }, .probe = twl6040_probe, .remove = twl6040_remove, .id_table = twl6040_i2c_id, }; module_i2c_driver(twl6040_driver); MODULE_DESCRIPTION("TWL6040 MFD"); MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); MODULE_AUTHOR("Jorge Eduardo Candelaria <jorge.candelaria@ti.com>"); MODULE_LICENSE("GPL");
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