mfd: Support for ICs compliant with max8998
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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@ -133,6 +133,7 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
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max8998->dev = &i2c->dev;
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max8998->i2c = i2c;
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max8998->irq = i2c->irq;
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max8998->type = id->driver_data;
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if (pdata) {
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max8998->ono = pdata->ono;
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max8998->irq_base = pdata->irq_base;
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@ -169,8 +170,8 @@ static int max8998_i2c_remove(struct i2c_client *i2c)
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}
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static const struct i2c_device_id max8998_i2c_id[] = {
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{ "max8998", 0 },
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{ "lp3974", 0 },
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{ "max8998", TYPE_MAX8998 },
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{ "lp3974", TYPE_LP3974},
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, max8998_i2c_id);
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@ -101,6 +101,13 @@ enum {
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MAX8998_IRQ_NR,
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};
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/* MAX8998 various variants */
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enum {
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TYPE_MAX8998 = 0, /* Default */
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TYPE_LP3974, /* National version of MAX8998 */
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TYPE_LP3979, /* Added AVS */
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};
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#define MAX8998_IRQ_DCINF_MASK (1 << 2)
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#define MAX8998_IRQ_DCINR_MASK (1 << 3)
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#define MAX8998_IRQ_JIGF_MASK (1 << 4)
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@ -123,6 +130,8 @@ enum {
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#define MAX8998_IRQ_LOBAT1_MASK (1 << 0)
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#define MAX8998_IRQ_LOBAT2_MASK (1 << 1)
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#define MAX8998_ENRAMP (1 << 4)
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/**
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* struct max8998_dev - max8998 master device for sub-drivers
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* @dev: master device of the chip (can be used to access platform data)
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@ -135,6 +144,7 @@ enum {
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* @ono: power onoff IRQ number for max8998
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* @irq_masks_cur: currently active value
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* @irq_masks_cache: cached hardware value
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* @type: indicate which max8998 "variant" is used
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*/
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struct max8998_dev {
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struct device *dev;
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@ -148,6 +158,7 @@ struct max8998_dev {
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int ono;
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u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
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u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
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int type;
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};
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int max8998_irq_init(struct max8998_dev *max8998);
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