[PATCH] hwmon: (it87) Add support for IT8689E

[Markus Hoffmann <markus@thehoffs.at>]

Add support for the ITE IT8689E Super I/O chip. The IT8689E supports
newer autopwm, 12mV ADC, 16-bit fans, six fans, six PWM channels,
PWM frequency 2, six temperature inputs, and AVCC3.

Signed-off-by: Markus Hoffmann <markus@thehoffs.at>
---
 drivers/hwmon/it87.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index e233aafa8..dd136bd94 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -16,6 +16,7 @@
  *            IT8622E  Super I/O chip w/LPC interface
  *            IT8623E  Super I/O chip w/LPC interface
  *            IT8628E  Super I/O chip w/LPC interface
+ *            IT8689E  Super I/O chip w/LPC interface
  *            IT8705F  Super I/O chip w/LPC interface
  *            IT8712F  Super I/O chip w/LPC interface
  *            IT8716F  Super I/O chip w/LPC interface
@@ -64,7 +65,7 @@
 
 enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
 	     it8771, it8772, it8781, it8782, it8783, it8786, it8790,
-	     it8792, it8603, it8620, it8622, it8628, it87952 };
+	     it8792, it8603, it8620, it8622, it8628, it8689, it87952 };
 
 static struct platform_device *it87_pdev[2];
 
@@ -162,6 +163,7 @@ static inline void superio_exit(int ioreg, bool noexit)
 #define IT8622E_DEVID 0x8622
 #define IT8623E_DEVID 0x8623
 #define IT8628E_DEVID 0x8628
+#define IT8689E_DEVID 0x8689
 #define IT87952E_DEVID 0x8695
 
 /* Logical device 4 (Environmental Monitor) registers */
@@ -502,6 +504,14 @@ static const struct it87_devices it87_devices[] = {
 		  | FEAT_SIX_TEMP | FEAT_VIN3_5V | FEAT_FANCTL_ONOFF,
 		.peci_mask = 0x07,
 	},
+	[it8689] = {
+		.name = "it8689",
+		.model = "IT8689E",
+		.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
+		  | FEAT_SIX_FANS | FEAT_IN7_INTERNAL | FEAT_SIX_PWM
+		  | FEAT_PWM_FREQ2 | FEAT_SIX_TEMP | FEAT_AVCC3,
+		.smbus_bitmap = BIT(1) | BIT(2),
+	},
 	[it87952] = {
 		.name = "it87952",
 		.model = "IT87952E",
@@ -2785,6 +2795,9 @@ static int __init it87_find(int sioaddr, unsigned short *address,
 	case IT8628E_DEVID:
 		sio_data->type = it8628;
 		break;
+	case IT8689E_DEVID:
+		sio_data->type = it8689;
+		break;
 	case IT87952E_DEVID:
 		sio_data->type = it87952;
 		break;
-- 
2.53.0