Commit 6887b042 authored by Richard Fitzgerald's avatar Richard Fitzgerald Committed by Lee Jones
Browse files

mfd: arizona: Add support for WM8998 and WM1814 



Signed-off-by: default avatarRichard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent bc00d68f

drivers/mfd/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -1379,6 +1379,12 @@ config MFD_WM8997 
	help

	  Support for Wolfson Microelectronics WM8997 low power audio SoC



config MFD_WM8998

	bool "Wolfson Microelectronics WM8998"

	depends on MFD_ARIZONA

	help

	  Support for Wolfson Microelectronics WM8998 low power audio SoC



config MFD_WM8400

	bool "Wolfson Microelectronics WM8400"

	select MFD_CORE

drivers/mfd/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -48,6 +48,9 @@ endif 
ifeq ($(CONFIG_MFD_WM8997),y)

obj-$(CONFIG_MFD_ARIZONA)	+= wm8997-tables.o

endif

ifeq ($(CONFIG_MFD_WM8998),y)

obj-$(CONFIG_MFD_ARIZONA)	+= wm8998-tables.o

endif

obj-$(CONFIG_MFD_WM8400)	+= wm8400-core.o

wm831x-objs			:= wm831x-core.o wm831x-irq.o wm831x-otp.o

wm831x-objs			+= wm831x-auxadc.o

drivers/mfd/arizona-core.c

+97 −8
Original line number Diff line number Diff line
@@ -146,17 +146,31 @@ static irqreturn_t arizona_underclocked(int irq, void *data) 
static irqreturn_t arizona_overclocked(int irq, void *data)

{

	struct arizona *arizona = data;

	unsigned int val[2];

	unsigned int val[3];

	int ret;

	

	ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,

			       &val[0], 2);

			       &val[0], 3);

	if (ret != 0) {

		dev_err(arizona->dev, "Failed to read overclock status: %d\n",

			ret);

		return IRQ_NONE;

	}



	switch (arizona->type) {

	case WM8998:

	case WM1814:

		/* Some bits are shifted on WM8998,

		 * rearrange to match the standard bit layout

		 */

		val[0] = ((val[0] & 0x60e0) >> 1) |

			 ((val[0] & 0x1e00) >> 2) |

			 (val[0] & 0x000f);

		break;

	default:

		break;

	}



	if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)

		dev_err(arizona->dev, "PWM overclocked\n");

	if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
@@ -201,6 +215,9 @@ static irqreturn_t arizona_overclocked(int irq, void *data) 
	if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)

		dev_err(arizona->dev, "ISRC1 overclocked\n");



	if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)

		dev_err(arizona->dev, "SPDIF overclocked\n");



	return IRQ_HANDLED;

}
@@ -806,6 +823,8 @@ const struct of_device_id arizona_of_match[] = { 
	{ .compatible = "wlf,wm5110", .data = (void *)WM5110 },

	{ .compatible = "wlf,wm8280", .data = (void *)WM8280 },

	{ .compatible = "wlf,wm8997", .data = (void *)WM8997 },

	{ .compatible = "wlf,wm8998", .data = (void *)WM8998 },

	{ .compatible = "wlf,wm1814", .data = (void *)WM1814 },

	{},

};

EXPORT_SYMBOL_GPL(arizona_of_match);
@@ -887,11 +906,28 @@ static const struct mfd_cell wm8997_devs[] = { 
	},

};



static const struct mfd_cell wm8998_devs[] = {

	{

		.name = "arizona-extcon",

		.parent_supplies = wm5102_supplies,

		.num_parent_supplies = 1, /* We only need MICVDD */

	},

	{ .name = "arizona-gpio" },

	{ .name = "arizona-haptics" },

	{ .name = "arizona-pwm" },

	{

		.name = "wm8998-codec",

		.parent_supplies = wm5102_supplies,

		.num_parent_supplies = ARRAY_SIZE(wm5102_supplies),

	},

	{ .name = "arizona-micsupp" },

};



int arizona_dev_init(struct arizona *arizona)

{

	struct device *dev = arizona->dev;

	const char *type_name;

	unsigned int reg, val;

	unsigned int reg, val, mask;

	int (*apply_patch)(struct arizona *) = NULL;

	int ret, i;
@@ -911,6 +947,8 @@ int arizona_dev_init(struct arizona *arizona) 
	case WM5110:

	case WM8280:

	case WM8997:

	case WM8998:

	case WM1814:

		for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)

			arizona->core_supplies[i].supply

				= wm5102_core_supplies[i];
@@ -992,6 +1030,7 @@ int arizona_dev_init(struct arizona *arizona) 
	switch (reg) {

	case 0x5102:

	case 0x5110:

	case 0x6349:

	case 0x8997:

		break;

	default:
@@ -1092,6 +1131,27 @@ int arizona_dev_init(struct arizona *arizona) 
		}

		apply_patch = wm8997_patch;

		break;

#endif

#ifdef CONFIG_MFD_WM8998

	case 0x6349:

		switch (arizona->type) {

		case WM8998:

			type_name = "WM8998";

			break;



		case WM1814:

			type_name = "WM1814";

			break;



		default:

			type_name = "WM8998";

			dev_err(arizona->dev, "WM8998 registered as %d\n",

				arizona->type);

			arizona->type = WM8998;

		}



		apply_patch = wm8998_patch;

		break;

#endif

	default:

		dev_err(arizona->dev, "Unknown device ID %x\n", reg);
@@ -1208,14 +1268,38 @@ int arizona_dev_init(struct arizona *arizona) 
			<< ARIZONA_IN1_DMIC_SUP_SHIFT;

		if (arizona->pdata.inmode[i] & ARIZONA_INMODE_DMIC)

			val |= 1 << ARIZONA_IN1_MODE_SHIFT;



		switch (arizona->type) {

		case WM8998:

		case WM1814:

			regmap_update_bits(arizona->regmap,

				ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),

				ARIZONA_IN1L_SRC_SE_MASK,

				(arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)

					<< ARIZONA_IN1L_SRC_SE_SHIFT);



			regmap_update_bits(arizona->regmap,

				ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),

				ARIZONA_IN1R_SRC_SE_MASK,

				(arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)

					<< ARIZONA_IN1R_SRC_SE_SHIFT);



			mask = ARIZONA_IN1_DMIC_SUP_MASK |

				ARIZONA_IN1_MODE_MASK;

			break;

		default:

			if (arizona->pdata.inmode[i] & ARIZONA_INMODE_SE)

				val |= 1 << ARIZONA_IN1_SINGLE_ENDED_SHIFT;



			mask = ARIZONA_IN1_DMIC_SUP_MASK |

				ARIZONA_IN1_MODE_MASK |

				ARIZONA_IN1_SINGLE_ENDED_MASK;

			break;

		}



		regmap_update_bits(arizona->regmap,

				   ARIZONA_IN1L_CONTROL + (i * 8),

				   ARIZONA_IN1_DMIC_SUP_MASK |

				   ARIZONA_IN1_MODE_MASK |

				   ARIZONA_IN1_SINGLE_ENDED_MASK, val);

				   mask, val);

	}



	for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) {
@@ -1271,6 +1355,11 @@ int arizona_dev_init(struct arizona *arizona) 
		ret = mfd_add_devices(arizona->dev, -1, wm8997_devs,

				      ARRAY_SIZE(wm8997_devs), NULL, 0, NULL);

		break;

	case WM8998:

	case WM1814:

		ret = mfd_add_devices(arizona->dev, -1, wm8998_devs,

				      ARRAY_SIZE(wm8998_devs), NULL, 0, NULL);

		break;

	}



	if (ret != 0) {

drivers/mfd/arizona-i2c.c

+8 −0
Original line number Diff line number Diff line
@@ -52,6 +52,12 @@ static int arizona_i2c_probe(struct i2c_client *i2c, 
	case WM8997:

		regmap_config = &wm8997_i2c_regmap;

		break;

#endif

#ifdef CONFIG_MFD_WM8998

	case WM8998:

	case WM1814:

		regmap_config = &wm8998_i2c_regmap;

		break;

#endif

	default:

		dev_err(&i2c->dev, "Unknown device type %ld\n",
@@ -90,6 +96,8 @@ static const struct i2c_device_id arizona_i2c_id[] = { 
	{ "wm5110", WM5110 },

	{ "wm8280", WM8280 },

	{ "wm8997", WM8997 },

	{ "wm8998", WM8998 },

	{ "wm1814", WM1814 },

	{ }

};

MODULE_DEVICE_TABLE(i2c, arizona_i2c_id);

drivers/mfd/arizona-irq.c

+9 −0
Original line number Diff line number Diff line
@@ -234,6 +234,15 @@ int arizona_irq_init(struct arizona *arizona) 
		arizona->ctrlif_error = false;

		break;

#endif

#ifdef CONFIG_MFD_WM8998

	case WM8998:

	case WM1814:

		aod = &wm8998_aod;

		irq = &wm8998_irq;



		arizona->ctrlif_error = false;

		break;

#endif

	default:

		BUG_ON("Unknown Arizona class device" == NULL);

		return -EINVAL;

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