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-rw-r--r--drivers/mfd/da9150-core.c191
-rw-r--r--drivers/mfd/tps6105x.c78
-rw-r--r--drivers/mfd/wm5110-tables.c6
3 files changed, 173 insertions, 102 deletions
diff --git a/drivers/mfd/da9150-core.c b/drivers/mfd/da9150-core.c
index 94b9bbd1a69b..195fdcfa1a0d 100644
--- a/drivers/mfd/da9150-core.c
+++ b/drivers/mfd/da9150-core.c
@@ -23,6 +23,77 @@
#include <linux/mfd/da9150/core.h>
#include <linux/mfd/da9150/registers.h>
+/* Raw device access, used for QIF */
+static int da9150_i2c_read_device(struct i2c_client *client, u8 addr, int count,
+ u8 *buf)
+{
+ struct i2c_msg xfer;
+ int ret;
+
+ /*
+ * Read is split into two transfers as device expects STOP/START rather
+ * than repeated start to carry out this kind of access.
+ */
+
+ /* Write address */
+ xfer.addr = client->addr;
+ xfer.flags = 0;
+ xfer.len = 1;
+ xfer.buf = &addr;
+
+ ret = i2c_transfer(client->adapter, &xfer, 1);
+ if (ret != 1) {
+ if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+ }
+
+ /* Read data */
+ xfer.addr = client->addr;
+ xfer.flags = I2C_M_RD;
+ xfer.len = count;
+ xfer.buf = buf;
+
+ ret = i2c_transfer(client->adapter, &xfer, 1);
+ if (ret == 1)
+ return 0;
+ else if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
+static int da9150_i2c_write_device(struct i2c_client *client, u8 addr,
+ int count, const u8 *buf)
+{
+ struct i2c_msg xfer;
+ u8 *reg_data;
+ int ret;
+
+ reg_data = kzalloc(1 + count, GFP_KERNEL);
+ if (!reg_data)
+ return -ENOMEM;
+
+ reg_data[0] = addr;
+ memcpy(&reg_data[1], buf, count);
+
+ /* Write address & data */
+ xfer.addr = client->addr;
+ xfer.flags = 0;
+ xfer.len = 1 + count;
+ xfer.buf = reg_data;
+
+ ret = i2c_transfer(client->adapter, &xfer, 1);
+ kfree(reg_data);
+ if (ret == 1)
+ return 0;
+ else if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
static bool da9150_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -107,6 +178,28 @@ static const struct regmap_config da9150_regmap_config = {
.volatile_reg = da9150_volatile_reg,
};
+void da9150_read_qif(struct da9150 *da9150, u8 addr, int count, u8 *buf)
+{
+ int ret;
+
+ ret = da9150_i2c_read_device(da9150->core_qif, addr, count, buf);
+ if (ret < 0)
+ dev_err(da9150->dev, "Failed to read from QIF 0x%x: %d\n",
+ addr, ret);
+}
+EXPORT_SYMBOL_GPL(da9150_read_qif);
+
+void da9150_write_qif(struct da9150 *da9150, u8 addr, int count, const u8 *buf)
+{
+ int ret;
+
+ ret = da9150_i2c_write_device(da9150->core_qif, addr, count, buf);
+ if (ret < 0)
+ dev_err(da9150->dev, "Failed to write to QIF 0x%x: %d\n",
+ addr, ret);
+}
+EXPORT_SYMBOL_GPL(da9150_write_qif);
+
u8 da9150_reg_read(struct da9150 *da9150, u16 reg)
{
int val, ret;
@@ -262,54 +355,45 @@ static const struct regmap_irq_chip da9150_regmap_irq_chip = {
};
static struct resource da9150_gpadc_resources[] = {
- {
- .name = "GPADC",
- .start = DA9150_IRQ_GPADC,
- .end = DA9150_IRQ_GPADC,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(DA9150_IRQ_GPADC, "GPADC"),
};
static struct resource da9150_charger_resources[] = {
- {
- .name = "CHG_STATUS",
- .start = DA9150_IRQ_CHG,
- .end = DA9150_IRQ_CHG,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "CHG_TJUNC",
- .start = DA9150_IRQ_TJUNC,
- .end = DA9150_IRQ_TJUNC,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "CHG_VFAULT",
- .start = DA9150_IRQ_VFAULT,
- .end = DA9150_IRQ_VFAULT,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "CHG_VBUS",
- .start = DA9150_IRQ_VBUS,
- .end = DA9150_IRQ_VBUS,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(DA9150_IRQ_CHG, "CHG_STATUS"),
+ DEFINE_RES_IRQ_NAMED(DA9150_IRQ_TJUNC, "CHG_TJUNC"),
+ DEFINE_RES_IRQ_NAMED(DA9150_IRQ_VFAULT, "CHG_VFAULT"),
+ DEFINE_RES_IRQ_NAMED(DA9150_IRQ_VBUS, "CHG_VBUS"),
+};
+
+static struct resource da9150_fg_resources[] = {
+ DEFINE_RES_IRQ_NAMED(DA9150_IRQ_FG, "FG"),
+};
+
+enum da9150_dev_idx {
+ DA9150_GPADC_IDX = 0,
+ DA9150_CHARGER_IDX,
+ DA9150_FG_IDX,
};
static struct mfd_cell da9150_devs[] = {
- {
+ [DA9150_GPADC_IDX] = {
.name = "da9150-gpadc",
.of_compatible = "dlg,da9150-gpadc",
.resources = da9150_gpadc_resources,
.num_resources = ARRAY_SIZE(da9150_gpadc_resources),
},
- {
+ [DA9150_CHARGER_IDX] = {
.name = "da9150-charger",
.of_compatible = "dlg,da9150-charger",
.resources = da9150_charger_resources,
.num_resources = ARRAY_SIZE(da9150_charger_resources),
},
+ [DA9150_FG_IDX] = {
+ .name = "da9150-fuel-gauge",
+ .of_compatible = "dlg,da9150-fuel-gauge",
+ .resources = da9150_fg_resources,
+ .num_resources = ARRAY_SIZE(da9150_fg_resources),
+ },
};
static int da9150_probe(struct i2c_client *client,
@@ -317,6 +401,7 @@ static int da9150_probe(struct i2c_client *client,
{
struct da9150 *da9150;
struct da9150_pdata *pdata = dev_get_platdata(&client->dev);
+ int qif_addr;
int ret;
da9150 = devm_kzalloc(&client->dev, sizeof(*da9150), GFP_KERNEL);
@@ -335,16 +420,41 @@ static int da9150_probe(struct i2c_client *client,
return ret;
}
- da9150->irq_base = pdata ? pdata->irq_base : -1;
+ /* Setup secondary I2C interface for QIF access */
+ qif_addr = da9150_reg_read(da9150, DA9150_CORE2WIRE_CTRL_A);
+ qif_addr = (qif_addr & DA9150_CORE_BASE_ADDR_MASK) >> 1;
+ qif_addr |= DA9150_QIF_I2C_ADDR_LSB;
+ da9150->core_qif = i2c_new_dummy(client->adapter, qif_addr);
+ if (!da9150->core_qif) {
+ dev_err(da9150->dev, "Failed to attach QIF client\n");
+ return -ENODEV;
+ }
+
+ i2c_set_clientdata(da9150->core_qif, da9150);
+
+ if (pdata) {
+ da9150->irq_base = pdata->irq_base;
+
+ da9150_devs[DA9150_FG_IDX].platform_data = pdata->fg_pdata;
+ da9150_devs[DA9150_FG_IDX].pdata_size =
+ sizeof(struct da9150_fg_pdata);
+ } else {
+ da9150->irq_base = -1;
+ }
ret = regmap_add_irq_chip(da9150->regmap, da9150->irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
da9150->irq_base, &da9150_regmap_irq_chip,
&da9150->regmap_irq_data);
- if (ret)
- return ret;
+ if (ret) {
+ dev_err(da9150->dev, "Failed to add regmap irq chip: %d\n",
+ ret);
+ goto regmap_irq_fail;
+ }
+
da9150->irq_base = regmap_irq_chip_get_base(da9150->regmap_irq_data);
+
enable_irq_wake(da9150->irq);
ret = mfd_add_devices(da9150->dev, -1, da9150_devs,
@@ -352,11 +462,17 @@ static int da9150_probe(struct i2c_client *client,
da9150->irq_base, NULL);
if (ret) {
dev_err(da9150->dev, "Failed to add child devices: %d\n", ret);
- regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data);
- return ret;
+ goto mfd_fail;
}
return 0;
+
+mfd_fail:
+ regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data);
+regmap_irq_fail:
+ i2c_unregister_device(da9150->core_qif);
+
+ return ret;
}
static int da9150_remove(struct i2c_client *client)
@@ -365,6 +481,7 @@ static int da9150_remove(struct i2c_client *client)
regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data);
mfd_remove_devices(da9150->dev);
+ i2c_unregister_device(da9150->core_qif);
return 0;
}
diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c
index 5de95c265c1a..4a174cdb50b6 100644
--- a/drivers/mfd/tps6105x.c
+++ b/drivers/mfd/tps6105x.c
@@ -16,7 +16,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
-#include <linux/mutex.h>
+#include <linux/regmap.h>
#include <linux/gpio.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
@@ -25,73 +25,18 @@
#include <linux/mfd/core.h>
#include <linux/mfd/tps6105x.h>
-int tps6105x_set(struct tps6105x *tps6105x, u8 reg, u8 value)
-{
- int ret;
-
- ret = mutex_lock_interruptible(&tps6105x->lock);
- if (ret)
- return ret;
- ret = i2c_smbus_write_byte_data(tps6105x->client, reg, value);
- mutex_unlock(&tps6105x->lock);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-EXPORT_SYMBOL(tps6105x_set);
-
-int tps6105x_get(struct tps6105x *tps6105x, u8 reg, u8 *buf)
-{
- int ret;
-
- ret = mutex_lock_interruptible(&tps6105x->lock);
- if (ret)
- return ret;
- ret = i2c_smbus_read_byte_data(tps6105x->client, reg);
- mutex_unlock(&tps6105x->lock);
- if (ret < 0)
- return ret;
-
- *buf = ret;
- return 0;
-}
-EXPORT_SYMBOL(tps6105x_get);
-
-/*
- * Masks off the bits in the mask and sets the bits in the bitvalues
- * parameter in one atomic operation
- */
-int tps6105x_mask_and_set(struct tps6105x *tps6105x, u8 reg,
- u8 bitmask, u8 bitvalues)
-{
- int ret;
- u8 regval;
-
- ret = mutex_lock_interruptible(&tps6105x->lock);
- if (ret)
- return ret;
- ret = i2c_smbus_read_byte_data(tps6105x->client, reg);
- if (ret < 0)
- goto fail;
- regval = ret;
- regval = (~bitmask & regval) | (bitmask & bitvalues);
- ret = i2c_smbus_write_byte_data(tps6105x->client, reg, regval);
-fail:
- mutex_unlock(&tps6105x->lock);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-EXPORT_SYMBOL(tps6105x_mask_and_set);
+static struct regmap_config tps6105x_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = TPS6105X_REG_3,
+};
static int tps6105x_startup(struct tps6105x *tps6105x)
{
int ret;
- u8 regval;
+ unsigned int regval;
- ret = tps6105x_get(tps6105x, TPS6105X_REG_0, &regval);
+ ret = regmap_read(tps6105x->regmap, TPS6105X_REG_0, &regval);
if (ret)
return ret;
switch (regval >> TPS6105X_REG0_MODE_SHIFT) {
@@ -145,11 +90,14 @@ static int tps6105x_probe(struct i2c_client *client,
if (!tps6105x)
return -ENOMEM;
+ tps6105x->regmap = devm_regmap_init_i2c(client, &tps6105x_regmap_config);
+ if (IS_ERR(tps6105x->regmap))
+ return PTR_ERR(tps6105x->regmap);
+
i2c_set_clientdata(client, tps6105x);
tps6105x->client = client;
pdata = dev_get_platdata(&client->dev);
tps6105x->pdata = pdata;
- mutex_init(&tps6105x->lock);
ret = tps6105x_startup(tps6105x);
if (ret) {
@@ -198,7 +146,7 @@ static int tps6105x_remove(struct i2c_client *client)
mfd_remove_devices(&client->dev);
/* Put chip in shutdown mode */
- tps6105x_mask_and_set(tps6105x, TPS6105X_REG_0,
+ regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0,
TPS6105X_REG0_MODE_MASK,
TPS6105X_MODE_SHUTDOWN << TPS6105X_REG0_MODE_SHIFT);
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index c4b9374efd76..28f2ae30507a 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -1481,6 +1481,7 @@ static const struct reg_default wm5110_reg_default[] = {
{ 0x00000C04, 0xA101 }, /* R3076 - GPIO5 CTRL */
{ 0x00000C0F, 0x0400 }, /* R3087 - IRQ CTRL 1 */
{ 0x00000C10, 0x1000 }, /* R3088 - GPIO Debounce Config */
+ { 0x00000C18, 0x0000 }, /* R3096 - GP Switch 1 */
{ 0x00000C20, 0x8002 }, /* R3104 - Misc Pad Ctrl 1 */
{ 0x00000C21, 0x8001 }, /* R3105 - Misc Pad Ctrl 2 */
{ 0x00000C22, 0x0000 }, /* R3106 - Misc Pad Ctrl 3 */
@@ -1811,6 +1812,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_MIC_DETECT_1:
case ARIZONA_MIC_DETECT_2:
case ARIZONA_MIC_DETECT_3:
+ case ARIZONA_MIC_DETECT_4:
case ARIZONA_MIC_DETECT_LEVEL_1:
case ARIZONA_MIC_DETECT_LEVEL_2:
case ARIZONA_MIC_DETECT_LEVEL_3:
@@ -1910,6 +1912,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_HP1_SHORT_CIRCUIT_CTRL:
case ARIZONA_HP2_SHORT_CIRCUIT_CTRL:
case ARIZONA_HP3_SHORT_CIRCUIT_CTRL:
+ case ARIZONA_HP_TEST_CTRL_1:
case ARIZONA_AIF1_BCLK_CTRL:
case ARIZONA_AIF1_TX_PIN_CTRL:
case ARIZONA_AIF1_RX_PIN_CTRL:
@@ -2527,6 +2530,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_GPIO5_CTRL:
case ARIZONA_IRQ_CTRL_1:
case ARIZONA_GPIO_DEBOUNCE_CONFIG:
+ case ARIZONA_GP_SWITCH_1:
case ARIZONA_MISC_PAD_CTRL_1:
case ARIZONA_MISC_PAD_CTRL_2:
case ARIZONA_MISC_PAD_CTRL_3:
@@ -2847,12 +2851,14 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_ASYNC_SAMPLE_RATE_1_STATUS:
case ARIZONA_ASYNC_SAMPLE_RATE_2_STATUS:
case ARIZONA_MIC_DETECT_3:
+ case ARIZONA_MIC_DETECT_4:
case ARIZONA_HP_CTRL_1L:
case ARIZONA_HP_CTRL_1R:
case ARIZONA_HEADPHONE_DETECT_2:
case ARIZONA_INPUT_ENABLES_STATUS:
case ARIZONA_OUTPUT_STATUS_1:
case ARIZONA_RAW_OUTPUT_STATUS_1:
+ case ARIZONA_HP_TEST_CTRL_1:
case ARIZONA_SLIMBUS_RX_PORT_STATUS:
case ARIZONA_SLIMBUS_TX_PORT_STATUS:
case ARIZONA_INTERRUPT_STATUS_1:
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 22:29:36 +0100