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path: root/drivers/mfd/wm831x-core.c
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Diffstat (limited to 'drivers/mfd/wm831x-core.c')
-rw-r--r--drivers/mfd/wm831x-core.c232
1 files changed, 191 insertions, 41 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 7f27576ca046..4b2021af1d96 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -90,9 +90,10 @@ int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
EXPORT_SYMBOL_GPL(wm831x_isinkv_values);
enum wm831x_parent {
- WM8310 = 0,
- WM8311 = 1,
- WM8312 = 2,
+ WM8310 = 0x8310,
+ WM8311 = 0x8311,
+ WM8312 = 0x8312,
+ WM8320 = 0x8320,
};
static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
@@ -478,6 +479,20 @@ static struct resource wm831x_dcdc4_resources[] = {
},
};
+static struct resource wm8320_dcdc4_buck_resources[] = {
+ {
+ .start = WM831X_DC4_CONTROL,
+ .end = WM832X_DC4_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_DC4,
+ .end = WM831X_IRQ_UV_DC4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct resource wm831x_gpio_resources[] = {
{
.start = WM831X_IRQ_GPIO_1,
@@ -794,6 +809,9 @@ static struct resource wm831x_wdt_resources[] = {
static struct mfd_cell wm8310_devs[] = {
{
+ .name = "wm831x-backup",
+ },
+ {
.name = "wm831x-buckv",
.id = 1,
.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
@@ -947,6 +965,9 @@ static struct mfd_cell wm8310_devs[] = {
static struct mfd_cell wm8311_devs[] = {
{
+ .name = "wm831x-backup",
+ },
+ {
.name = "wm831x-buckv",
.id = 1,
.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
@@ -1081,6 +1102,9 @@ static struct mfd_cell wm8311_devs[] = {
static struct mfd_cell wm8312_devs[] = {
{
+ .name = "wm831x-backup",
+ },
+ {
.name = "wm831x-buckv",
.id = 1,
.num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
@@ -1237,6 +1261,137 @@ static struct mfd_cell wm8312_devs[] = {
},
};
+static struct mfd_cell wm8320_devs[] = {
+ {
+ .name = "wm831x-backup",
+ },
+ {
+ .name = "wm831x-buckv",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
+ .resources = wm831x_dcdc1_resources,
+ },
+ {
+ .name = "wm831x-buckv",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
+ .resources = wm831x_dcdc2_resources,
+ },
+ {
+ .name = "wm831x-buckp",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
+ .resources = wm831x_dcdc3_resources,
+ },
+ {
+ .name = "wm831x-buckp",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm8320_dcdc4_buck_resources),
+ .resources = wm8320_dcdc4_buck_resources,
+ },
+ {
+ .name = "wm831x-gpio",
+ .num_resources = ARRAY_SIZE(wm831x_gpio_resources),
+ .resources = wm831x_gpio_resources,
+ },
+ {
+ .name = "wm831x-hwmon",
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
+ .resources = wm831x_ldo1_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
+ .resources = wm831x_ldo2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
+ .resources = wm831x_ldo3_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
+ .resources = wm831x_ldo4_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
+ .resources = wm831x_ldo5_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 6,
+ .num_resources = ARRAY_SIZE(wm831x_ldo6_resources),
+ .resources = wm831x_ldo6_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 7,
+ .num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
+ .resources = wm831x_ldo7_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 8,
+ .num_resources = ARRAY_SIZE(wm831x_ldo8_resources),
+ .resources = wm831x_ldo8_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 9,
+ .num_resources = ARRAY_SIZE(wm831x_ldo9_resources),
+ .resources = wm831x_ldo9_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 10,
+ .num_resources = ARRAY_SIZE(wm831x_ldo10_resources),
+ .resources = wm831x_ldo10_resources,
+ },
+ {
+ .name = "wm831x-alive-ldo",
+ .id = 11,
+ .num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
+ .resources = wm831x_ldo11_resources,
+ },
+ {
+ .name = "wm831x-on",
+ .num_resources = ARRAY_SIZE(wm831x_on_resources),
+ .resources = wm831x_on_resources,
+ },
+ {
+ .name = "wm831x-rtc",
+ .num_resources = ARRAY_SIZE(wm831x_rtc_resources),
+ .resources = wm831x_rtc_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_status1_resources),
+ .resources = wm831x_status1_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_status2_resources),
+ .resources = wm831x_status2_resources,
+ },
+ {
+ .name = "wm831x-watchdog",
+ .num_resources = ARRAY_SIZE(wm831x_wdt_resources),
+ .resources = wm831x_wdt_resources,
+ },
+};
+
static struct mfd_cell backlight_devs[] = {
{
.name = "wm831x-backlight",
@@ -1282,50 +1437,37 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
goto err;
}
+ /* Some engineering samples do not have the ID set, rely on
+ * the device being registered correctly.
+ */
+ if (ret == 0) {
+ dev_info(wm831x->dev, "Device is an engineering sample\n");
+ ret = id;
+ }
+
switch (ret) {
- case 0x8310:
+ case WM8310:
parent = WM8310;
- switch (rev) {
- case 0:
- dev_info(wm831x->dev, "WM8310 revision %c\n",
- 'A' + rev);
- break;
- }
+ wm831x->num_gpio = 16;
+ dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev);
break;
- case 0x8311:
+ case WM8311:
parent = WM8311;
- switch (rev) {
- case 0:
- dev_info(wm831x->dev, "WM8311 revision %c\n",
- 'A' + rev);
- break;
- }
+ wm831x->num_gpio = 16;
+ dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev);
break;
- case 0x8312:
+ case WM8312:
parent = WM8312;
- switch (rev) {
- case 0:
- dev_info(wm831x->dev, "WM8312 revision %c\n",
- 'A' + rev);
- break;
- }
+ wm831x->num_gpio = 16;
+ dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev);
break;
- case 0:
- /* Some engineering samples do not have the ID set,
- * rely on the device being registered correctly.
- * This will need revisiting for future devices with
- * multiple dies.
- */
- parent = id;
- switch (rev) {
- case 0:
- dev_info(wm831x->dev, "WM831%d ES revision %c\n",
- parent, 'A' + rev);
- break;
- }
+ case WM8320:
+ parent = WM8320;
+ wm831x->num_gpio = 12;
+ dev_info(wm831x->dev, "WM8320 revision %c\n", 'A' + rev);
break;
default:
@@ -1338,7 +1480,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
* current parts.
*/
if (parent != id)
- dev_warn(wm831x->dev, "Device was registered as a WM831%lu\n",
+ dev_warn(wm831x->dev, "Device was registered as a WM%lx\n",
id);
/* Bootstrap the user key */
@@ -1371,18 +1513,24 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
case WM8310:
ret = mfd_add_devices(wm831x->dev, -1,
wm8310_devs, ARRAY_SIZE(wm8310_devs),
- NULL, 0);
+ NULL, wm831x->irq_base);
break;
case WM8311:
ret = mfd_add_devices(wm831x->dev, -1,
wm8311_devs, ARRAY_SIZE(wm8311_devs),
- NULL, 0);
+ NULL, wm831x->irq_base);
break;
case WM8312:
ret = mfd_add_devices(wm831x->dev, -1,
wm8312_devs, ARRAY_SIZE(wm8312_devs),
+ NULL, wm831x->irq_base);
+ break;
+
+ case WM8320:
+ ret = mfd_add_devices(wm831x->dev, -1,
+ wm8320_devs, ARRAY_SIZE(wm8320_devs),
NULL, 0);
break;
@@ -1399,7 +1547,8 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
if (pdata && pdata->backlight) {
/* Treat errors as non-critical */
ret = mfd_add_devices(wm831x->dev, -1, backlight_devs,
- ARRAY_SIZE(backlight_devs), NULL, 0);
+ ARRAY_SIZE(backlight_devs), NULL,
+ wm831x->irq_base);
if (ret < 0)
dev_err(wm831x->dev, "Failed to add backlight: %d\n",
ret);
@@ -1511,6 +1660,7 @@ static const struct i2c_device_id wm831x_i2c_id[] = {
{ "wm8310", WM8310 },
{ "wm8311", WM8311 },
{ "wm8312", WM8312 },
+ { "wm8320", WM8320 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.