diff options
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/ab8500-gpadc.c | 2 | ||||
-rw-r--r-- | drivers/mfd/da9052-i2c.c | 4 | ||||
-rw-r--r-- | drivers/mfd/db8500-prcmu.c | 42 | ||||
-rw-r--r-- | drivers/mfd/dbx500-prcmu-regs.h | 4 | ||||
-rw-r--r-- | drivers/mfd/mcp-sa11x0.c | 2 | ||||
-rw-r--r-- | drivers/mfd/menelaus.c | 4 | ||||
-rw-r--r-- | drivers/mfd/rc5t583.c | 2 | ||||
-rw-r--r-- | drivers/mfd/rdc321x-southbridge.c | 2 | ||||
-rw-r--r-- | drivers/mfd/tps6586x.c | 13 | ||||
-rw-r--r-- | drivers/mfd/tps65911-comparator.c | 2 | ||||
-rw-r--r-- | drivers/mfd/twl-core.c | 54 | ||||
-rw-r--r-- | drivers/mfd/wm8994-irq.c | 1 |
12 files changed, 98 insertions, 34 deletions
diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c index 866f95960b4..29d72a259c8 100644 --- a/drivers/mfd/ab8500-gpadc.c +++ b/drivers/mfd/ab8500-gpadc.c @@ -342,7 +342,7 @@ int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel) /* * Delay might be needed for ABB8500 cut 3.0, if not, remove - * when hardware will be availible + * when hardware will be available */ msleep(1); break; diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c index 82c9d645028..352c58b5a90 100644 --- a/drivers/mfd/da9052-i2c.c +++ b/drivers/mfd/da9052-i2c.c @@ -46,7 +46,7 @@ static int da9052_i2c_enable_multiwrite(struct da9052 *da9052) return 0; } -static struct i2c_device_id da9052_i2c_id[] = { +static const struct i2c_device_id da9052_i2c_id[] = { {"da9052", DA9052}, {"da9053-aa", DA9053_AA}, {"da9053-ba", DA9053_BA}, @@ -104,7 +104,7 @@ static int __devinit da9052_i2c_probe(struct i2c_client *client, const struct of_device_id *deviceid; deviceid = of_match_node(dialog_dt_ids, np); - id = (const struct i2c_device_id *)deviceid->data; + id = deviceid->data; } #endif diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 0e63cdd9b52..6b67edbdbd0 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -418,6 +418,9 @@ static struct { static atomic_t ac_wake_req_state = ATOMIC_INIT(0); +/* Functions definition */ +static void compute_armss_rate(void); + /* Spinlocks */ static DEFINE_SPINLOCK(prcmu_lock); static DEFINE_SPINLOCK(clkout_lock); @@ -517,6 +520,7 @@ static struct dsiescclk dsiescclk[3] = { } }; + /* * Used by MCDE to setup all necessary PRCMU registers */ @@ -1013,6 +1017,7 @@ int db8500_prcmu_set_arm_opp(u8 opp) (mb1_transfer.ack.arm_opp != opp)) r = -EIO; + compute_armss_rate(); mutex_unlock(&mb1_transfer.lock); return r; @@ -1612,6 +1617,7 @@ static unsigned long pll_rate(void __iomem *reg, unsigned long src_rate, if ((branch == PLL_FIX) || ((branch == PLL_DIV) && (val & PRCM_PLL_FREQ_DIV2EN) && ((reg == PRCM_PLLSOC0_FREQ) || + (reg == PRCM_PLLARM_FREQ) || (reg == PRCM_PLLDDR_FREQ)))) div *= 2; @@ -1661,6 +1667,39 @@ static unsigned long clock_rate(u8 clock) else return 0; } +static unsigned long latest_armss_rate; +static unsigned long armss_rate(void) +{ + return latest_armss_rate; +} + +static void compute_armss_rate(void) +{ + u32 r; + unsigned long rate; + + r = readl(PRCM_ARM_CHGCLKREQ); + + if (r & PRCM_ARM_CHGCLKREQ_PRCM_ARM_CHGCLKREQ) { + /* External ARMCLKFIX clock */ + + rate = pll_rate(PRCM_PLLDDR_FREQ, ROOT_CLOCK_RATE, PLL_FIX); + + /* Check PRCM_ARM_CHGCLKREQ divider */ + if (!(r & PRCM_ARM_CHGCLKREQ_PRCM_ARM_DIVSEL)) + rate /= 2; + + /* Check PRCM_ARMCLKFIX_MGT divider */ + r = readl(PRCM_ARMCLKFIX_MGT); + r &= PRCM_CLK_MGT_CLKPLLDIV_MASK; + rate /= r; + + } else {/* ARM PLL */ + rate = pll_rate(PRCM_PLLARM_FREQ, ROOT_CLOCK_RATE, PLL_DIV); + } + + latest_armss_rate = rate; +} static unsigned long dsiclk_rate(u8 n) { @@ -1707,6 +1746,8 @@ unsigned long prcmu_clock_rate(u8 clock) return pll_rate(PRCM_PLLSOC0_FREQ, ROOT_CLOCK_RATE, PLL_RAW); else if (clock == PRCMU_PLLSOC1) return pll_rate(PRCM_PLLSOC1_FREQ, ROOT_CLOCK_RATE, PLL_RAW); + else if (clock == PRCMU_ARMSS) + return armss_rate(); else if (clock == PRCMU_PLLDDR) return pll_rate(PRCM_PLLDDR_FREQ, ROOT_CLOCK_RATE, PLL_RAW); else if (clock == PRCMU_PLLDSI) @@ -2693,6 +2734,7 @@ void __init db8500_prcmu_early_init(void) handle_simple_irq); set_irq_flags(irq, IRQF_VALID); } + compute_armss_rate(); } static void __init init_prcm_registers(void) diff --git a/drivers/mfd/dbx500-prcmu-regs.h b/drivers/mfd/dbx500-prcmu-regs.h index 23108a6e316..79c76ebdba5 100644 --- a/drivers/mfd/dbx500-prcmu-regs.h +++ b/drivers/mfd/dbx500-prcmu-regs.h @@ -61,7 +61,8 @@ #define PRCM_PLLARM_LOCKP_PRCM_PLLARM_LOCKP3 0x2 #define PRCM_ARM_CHGCLKREQ (_PRCMU_BASE + 0x114) -#define PRCM_ARM_CHGCLKREQ_PRCM_ARM_CHGCLKREQ 0x1 +#define PRCM_ARM_CHGCLKREQ_PRCM_ARM_CHGCLKREQ BIT(0) +#define PRCM_ARM_CHGCLKREQ_PRCM_ARM_DIVSEL BIT(16) #define PRCM_PLLARM_ENABLE (_PRCMU_BASE + 0x98) #define PRCM_PLLARM_ENABLE_PRCM_PLLARM_ENABLE 0x1 @@ -140,6 +141,7 @@ /* PRCMU clock/PLL/reset registers */ #define PRCM_PLLSOC0_FREQ (_PRCMU_BASE + 0x080) #define PRCM_PLLSOC1_FREQ (_PRCMU_BASE + 0x084) +#define PRCM_PLLARM_FREQ (_PRCMU_BASE + 0x088) #define PRCM_PLLDDR_FREQ (_PRCMU_BASE + 0x08C) #define PRCM_PLL_FREQ_D_SHIFT 0 #define PRCM_PLL_FREQ_D_MASK BITS(0, 7) diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c index c54e244ca0c..f99d6299ec2 100644 --- a/drivers/mfd/mcp-sa11x0.c +++ b/drivers/mfd/mcp-sa11x0.c @@ -24,7 +24,7 @@ #include <mach/hardware.h> #include <asm/mach-types.h> -#include <mach/mcp.h> +#include <linux/platform_data/mfd-mcp-sa11x0.h> #define DRIVER_NAME "sa11x0-mcp" diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c index cb4910ac4d1..55d58998141 100644 --- a/drivers/mfd/menelaus.c +++ b/drivers/mfd/menelaus.c @@ -1259,7 +1259,7 @@ static int menelaus_probe(struct i2c_client *client, return 0; fail2: free_irq(client->irq, menelaus); - flush_work_sync(&menelaus->work); + flush_work(&menelaus->work); fail1: kfree(menelaus); return err; @@ -1270,7 +1270,7 @@ static int __exit menelaus_remove(struct i2c_client *client) struct menelaus_chip *menelaus = i2c_get_clientdata(client); free_irq(client->irq, menelaus); - flush_work_sync(&menelaus->work); + flush_work(&menelaus->work); kfree(menelaus); the_menelaus = NULL; return 0; diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c index 3a8fa88567b..ff61efc76ce 100644 --- a/drivers/mfd/rc5t583.c +++ b/drivers/mfd/rc5t583.c @@ -281,7 +281,7 @@ static int __devinit rc5t583_i2c_probe(struct i2c_client *i2c, if (i2c->irq) { ret = rc5t583_irq_init(rc5t583, i2c->irq, pdata->irq_base); - /* Still continue with waring if irq init fails */ + /* Still continue with warning, if irq init fails */ if (ret) dev_warn(&i2c->dev, "IRQ init failed: %d\n", ret); else diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c index 0f70dce6116..fbabc3cbe35 100644 --- a/drivers/mfd/rdc321x-southbridge.c +++ b/drivers/mfd/rdc321x-southbridge.c @@ -1,5 +1,5 @@ /* - * RDC321x MFD southbrige driver + * RDC321x MFD southbridge driver * * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org> * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com> diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index 5f58370ccf5..345960ca2fd 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -25,6 +25,7 @@ #include <linux/i2c.h> #include <linux/regmap.h> #include <linux/regulator/of_regulator.h> +#include <linux/regulator/machine.h> #include <linux/mfd/core.h> #include <linux/mfd/tps6586x.h> @@ -346,6 +347,7 @@ failed: #ifdef CONFIG_OF static struct of_regulator_match tps6586x_matches[] = { + { .name = "sys", .driver_data = (void *)TPS6586X_ID_SYS }, { .name = "sm0", .driver_data = (void *)TPS6586X_ID_SM_0 }, { .name = "sm1", .driver_data = (void *)TPS6586X_ID_SM_1 }, { .name = "sm2", .driver_data = (void *)TPS6586X_ID_SM_2 }, @@ -369,6 +371,7 @@ static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *clien struct tps6586x_platform_data *pdata; struct tps6586x_subdev_info *devs; struct device_node *regs; + const char *sys_rail_name = NULL; unsigned int count; unsigned int i, j; int err; @@ -391,12 +394,22 @@ static struct tps6586x_platform_data *tps6586x_parse_dt(struct i2c_client *clien return NULL; for (i = 0, j = 0; i < num && j < count; i++) { + struct regulator_init_data *reg_idata; + if (!tps6586x_matches[i].init_data) continue; + reg_idata = tps6586x_matches[i].init_data; devs[j].name = "tps6586x-regulator"; devs[j].platform_data = tps6586x_matches[i].init_data; devs[j].id = (int)tps6586x_matches[i].driver_data; + if (devs[j].id == TPS6586X_ID_SYS) + sys_rail_name = reg_idata->constraints.name; + + if ((devs[j].id == TPS6586X_ID_LDO_5) || + (devs[j].id == TPS6586X_ID_LDO_RTC)) + reg_idata->supply_regulator = sys_rail_name; + devs[j].of_node = tps6586x_matches[i].of_node; j++; } diff --git a/drivers/mfd/tps65911-comparator.c b/drivers/mfd/tps65911-comparator.c index 5a62e6bf89a..0b6e361432c 100644 --- a/drivers/mfd/tps65911-comparator.c +++ b/drivers/mfd/tps65911-comparator.c @@ -136,7 +136,7 @@ static __devinit int tps65911_comparator_probe(struct platform_device *pdev) ret = comp_threshold_set(tps65910, COMP2, pdata->vmbch2_threshold); if (ret < 0) { - dev_err(&pdev->dev, "cannot set COMP2 theshold\n"); + dev_err(&pdev->dev, "cannot set COMP2 threshold\n"); return ret; } diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 1c32afed28a..9d3a0bc1a65 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -1132,12 +1132,7 @@ static void clocks_init(struct device *dev, u32 rate; u8 ctrl = HFCLK_FREQ_26_MHZ; -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - if (cpu_is_omap2430()) - osc = clk_get(dev, "osc_ck"); - else - osc = clk_get(dev, "osc_sys_ck"); - + osc = clk_get(dev, "fck"); if (IS_ERR(osc)) { printk(KERN_WARNING "Skipping twl internal clock init and " "using bootloader value (unknown osc rate)\n"); @@ -1147,18 +1142,6 @@ static void clocks_init(struct device *dev, rate = clk_get_rate(osc); clk_put(osc); -#else - /* REVISIT for non-OMAP systems, pass the clock rate from - * board init code, using platform_data. - */ - osc = ERR_PTR(-EIO); - - printk(KERN_WARNING "Skipping twl internal clock init and " - "using bootloader value (unknown osc rate)\n"); - - return; -#endif - switch (rate) { case 19200000: ctrl = HFCLK_FREQ_19p2_MHZ; @@ -1220,10 +1203,23 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct twl4030_platform_data *pdata = client->dev.platform_data; struct device_node *node = client->dev.of_node; + struct platform_device *pdev; int irq_base = 0; int status; unsigned i, num_slaves; + pdev = platform_device_alloc(DRIVER_NAME, -1); + if (!pdev) { + dev_err(&client->dev, "can't alloc pdev\n"); + return -ENOMEM; + } + + status = platform_device_add(pdev); + if (status) { + platform_device_put(pdev); + return status; + } + if (node && !pdata) { /* * XXX: Temporary pdata until the information is correctly @@ -1232,23 +1228,30 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) pdata = devm_kzalloc(&client->dev, sizeof(struct twl4030_platform_data), GFP_KERNEL); - if (!pdata) - return -ENOMEM; + if (!pdata) { + status = -ENOMEM; + goto free; + } } if (!pdata) { dev_dbg(&client->dev, "no platform data?\n"); - return -EINVAL; + status = -EINVAL; + goto free; } + platform_set_drvdata(pdev, pdata); + if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { dev_dbg(&client->dev, "can't talk I2C?\n"); - return -EIO; + status = -EIO; + goto free; } if (inuse) { dev_dbg(&client->dev, "driver is already in use\n"); - return -EBUSY; + status = -EBUSY; + goto free; } if ((id->driver_data) & TWL6030_CLASS) { @@ -1283,7 +1286,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) inuse = true; /* setup clock framework */ - clocks_init(&client->dev, pdata->clock); + clocks_init(&pdev->dev, pdata->clock); /* read TWL IDCODE Register */ if (twl_id == TWL4030_CLASS_ID) { @@ -1333,6 +1336,9 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) fail: if (status < 0) twl_remove(client); +free: + if (status < 0) + platform_device_unregister(pdev); return status; } diff --git a/drivers/mfd/wm8994-irq.c b/drivers/mfd/wm8994-irq.c index 0aac4aff17a..a050e56a9bb 100644 --- a/drivers/mfd/wm8994-irq.c +++ b/drivers/mfd/wm8994-irq.c @@ -135,6 +135,7 @@ static struct regmap_irq_chip wm8994_irq_chip = { .status_base = WM8994_INTERRUPT_STATUS_1, .mask_base = WM8994_INTERRUPT_STATUS_1_MASK, .ack_base = WM8994_INTERRUPT_STATUS_1, + .runtime_pm = true, }; int wm8994_irq_init(struct wm8994 *wm8994) |