hwmon: (ltc2978) Add support for LTC3886 (228b687d) · Commits · e / devices / android_kernel_fairphone_FP4

Documentation/devicetree/bindings/hwmon/ltc2978.txt

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -10,6 +10,7 @@ Required properties:
	* "lltc,ltc3880"		* "lltc,ltc3880"
	* "lltc,ltc3882"		* "lltc,ltc3882"
	* "lltc,ltc3883"		* "lltc,ltc3883"
			* "lltc,ltc3886"
	* "lltc,ltc3887"		* "lltc,ltc3887"
	* "lltc,ltm2987"		* "lltc,ltm2987"
	* "lltc,ltm4676"		* "lltc,ltm4676"
	@@ -25,7 +26,7 @@ Valid names of regulators depend on number of supplies supported per device:
	* ltc2974, ltc2975 : vout0 - vout3		* ltc2974, ltc2975 : vout0 - vout3
	* ltc2977, ltc2980, ltm2987 : vout0 - vout7		* ltc2977, ltc2980, ltm2987 : vout0 - vout7
	* ltc2978 : vout0 - vout7		* ltc2978 : vout0 - vout7
	* ltc3880, ltc3882 : vout0 - vout1		* ltc3880, ltc3882, ltc3886 : vout0 - vout1
	* ltc3883 : vout0		* ltc3883 : vout0
	* ltm4676 : vout0 - vout1		* ltm4676 : vout0 - vout1

Documentation/hwmon/ltc2978

+14 −9

Original line number	Original line	Diff line number	Diff line
	@@ -35,6 +35,10 @@ Supported chips:
	Prefix: 'ltc3883'		Prefix: 'ltc3883'
	Addresses scanned: -		Addresses scanned: -
	Datasheet: http://www.linear.com/product/ltc3883		Datasheet: http://www.linear.com/product/ltc3883
			* Linear Technology LTC3886
			Prefix: 'ltc3886'
			Addresses scanned: -
			Datasheet: http://www.linear.com/product/ltc3886
	* Linear Technology LTC3887		* Linear Technology LTC3887
	Prefix: 'ltc3887'		Prefix: 'ltc3887'
	Addresses scanned: -		Addresses scanned: -
	@@ -60,8 +64,8 @@ LTC2977 is a pin compatible replacement for LTC2978.
	LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977		LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977
	in a single die. The chip is instantiated and reported as two separate chips		in a single die. The chip is instantiated and reported as two separate chips
	on two different I2C bus addresses.		on two different I2C bus addresses.
	LTC3880, LTC3882, and LTC3887 are dual output poly-phase step-down DC/DC		LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down
	controllers.		DC/DC controllers.
	LTC3883 is a single phase step-down DC/DC controller.		LTC3883 is a single phase step-down DC/DC controller.
	LTM2987 is a 16-channel Power System Manager with two LTC2977 plus		LTM2987 is a 16-channel Power System Manager with two LTC2977 plus
	additional components on a single die. The chip is instantiated and reported		additional components on a single die. The chip is instantiated and reported
	@@ -113,7 +117,7 @@ in[N]_label "vout[1-8]".
	LTC2974, LTC2975: N=2-5		LTC2974, LTC2975: N=2-5
	LTC2977, LTC2980, LTM2987: N=2-9		LTC2977, LTC2980, LTM2987: N=2-9
	LTC2978: N=2-9		LTC2978: N=2-9
	LTC3880, LTC3882, LTC3887, LTM4676: N=2-3		LTC3880, LTC3882, LTC23886 LTC3887, LTM4676: N=2-3
	LTC3883: N=2		LTC3883: N=2
	in[N]_input Measured output voltage.		in[N]_input Measured output voltage.
	in[N]_min Minimum output voltage.		in[N]_min Minimum output voltage.
	@@ -161,29 +165,30 @@ temp[N]_highest Highest measured temperature. Not supported for chip
	temp[N]_reset_history Reset temperature history. Not supported for chip		temp[N]_reset_history Reset temperature history. Not supported for chip
	temperature sensor on LTC2974 and LTC2975.		temperature sensor on LTC2974 and LTC2975.

	power1_label "pin". LTC3883 only.		power1_label "pin". LTC3883 and LTC3886 only.
	power1_input Measured input power.		power1_input Measured input power.

	power[N]_label "pout[1-4]".		power[N]_label "pout[1-4]".
	LTC2974, LTC2975: N=1-4		LTC2974, LTC2975: N=1-4
	LTC2977, LTC2980, LTM2987: Not supported		LTC2977, LTC2980, LTM2987: Not supported
	LTC2978: Not supported		LTC2978: Not supported
	LTC3880, LTC3882, LTC3887, LTM4676: N=1-2		LTC3880, LTC3882, LTC3886, LTC3887, LTM4676: N=1-2
	LTC3883: N=2		LTC3883: N=2
	power[N]_input Measured output power.		power[N]_input Measured output power.

	curr1_label "iin". LTC3880, LTC3883, LTC3887, and LTM4676 only.		curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, and LTM4676
			only.
	curr1_input Measured input current.		curr1_input Measured input current.
	curr1_max Maximum input current.		curr1_max Maximum input current.
	curr1_max_alarm Input current high alarm.		curr1_max_alarm Input current high alarm.
	curr1_highest Highest input current. LTC3883 only.		curr1_highest Highest input current. LTC3883 and LTC3886 only.
	curr1_reset_history Reset input current history. LTC3883 only.		curr1_reset_history Reset input current history. LTC3883 and LTC3886 only.

	curr[N]_label "iout[1-4]".		curr[N]_label "iout[1-4]".
	LTC2974, LTC2975: N=1-4		LTC2974, LTC2975: N=1-4
	LTC2977, LTC2980, LTM2987: not supported		LTC2977, LTC2980, LTM2987: not supported
	LTC2978: not supported		LTC2978: not supported
	LTC3880, LTC3882, LTC3887, LTM4676: N=2-3		LTC3880, LTC3882, LTC3886, LTC3887, LTM4676: N=2-3
	LTC3883: N=2		LTC3883: N=2
	curr[N]_input Measured output current.		curr[N]_input Measured output current.
	curr[N]_max Maximum output current.		curr[N]_max Maximum output current.

drivers/hwmon/pmbus/Kconfig

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -53,7 +53,7 @@ config SENSORS_LTC2978
	help		help
	If you say yes here you get hardware monitoring support for Linear		If you say yes here you get hardware monitoring support for Linear
	Technology LTC2974, LTC2975, LTC2977, LTC2978, LTC2980, LTC3880,		Technology LTC2974, LTC2975, LTC2977, LTC2978, LTC2980, LTC3880,
	LTC3883, LTC3887, LTCM2987, and LTM4676.		LTC3883, LTC3886, LTC3887, LTCM2987, and LTM4676.

	This driver can also be built as a module. If so, the module will		This driver can also be built as a module. If so, the module will
	be called ltc2978.		be called ltc2978.

drivers/hwmon/pmbus/ltc2978.c

+22 −2

Original line number	Original line	Diff line number	Diff line
	@@ -25,7 +25,7 @@
	#include "pmbus.h"		#include "pmbus.h"

	enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,		enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
	ltc3883, ltc3887, ltm2987, ltm4676 };		ltc3883, ltc3886, ltc3887, ltm2987, ltm4676 };

	/* Common for all chips */		/* Common for all chips */
	#define LTC2978_MFR_VOUT_PEAK 0xdd		#define LTC2978_MFR_VOUT_PEAK 0xdd
	@@ -47,7 +47,7 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
	#define LTC3880_MFR_CLEAR_PEAKS 0xe3		#define LTC3880_MFR_CLEAR_PEAKS 0xe3
	#define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4		#define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4

	/* LTC3883 only */		/* LTC3883 and LTC3886 only */
	#define LTC3883_MFR_IIN_PEAK 0xe1		#define LTC3883_MFR_IIN_PEAK 0xe1

	/* LTC2975 only */		/* LTC2975 only */
	@@ -69,6 +69,7 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
	#define LTC3882_ID 0x4200		#define LTC3882_ID 0x4200
	#define LTC3882_ID_D1 0x4240 /* Dash 1 */		#define LTC3882_ID_D1 0x4240 /* Dash 1 */
	#define LTC3883_ID 0x4300		#define LTC3883_ID 0x4300
			#define LTC3886_ID 0x4600
	#define LTC3887_ID 0x4700		#define LTC3887_ID 0x4700
	#define LTM2987_ID_A 0x8010 /* A/B for two die IDs */		#define LTM2987_ID_A 0x8010 /* A/B for two die IDs */
	#define LTM2987_ID_B 0x8020		#define LTM2987_ID_B 0x8020
	@@ -417,6 +418,7 @@ static const struct i2c_device_id ltc2978_id[] = {
	{"ltc3880", ltc3880},		{"ltc3880", ltc3880},
	{"ltc3882", ltc3882},		{"ltc3882", ltc3882},
	{"ltc3883", ltc3883},		{"ltc3883", ltc3883},
			{"ltc3886", ltc3886},
	{"ltc3887", ltc3887},		{"ltc3887", ltc3887},
	{"ltm2987", ltm2987},		{"ltm2987", ltm2987},
	{"ltm4676", ltm4676},		{"ltm4676", ltm4676},
	@@ -485,6 +487,8 @@ static int ltc2978_get_id(struct i2c_client *client)
	return ltc3882;		return ltc3882;
	else if (chip_id == LTC3883_ID)		else if (chip_id == LTC3883_ID)
	return ltc3883;		return ltc3883;
			else if (chip_id == LTC3886_ID)
			return ltc3886;
	else if (chip_id == LTC3887_ID)		else if (chip_id == LTC3887_ID)
	return ltc3887;		return ltc3887;
	else if (chip_id == LTM2987_ID_A \|\| chip_id == LTM2987_ID_B)		else if (chip_id == LTM2987_ID_A \|\| chip_id == LTM2987_ID_B)
	@@ -624,6 +628,21 @@ static int ltc2978_probe(struct i2c_client *client,
	\| PMBUS_HAVE_PIN \| PMBUS_HAVE_POUT \| PMBUS_HAVE_TEMP		\| PMBUS_HAVE_PIN \| PMBUS_HAVE_POUT \| PMBUS_HAVE_TEMP
	\| PMBUS_HAVE_TEMP2 \| PMBUS_HAVE_STATUS_TEMP;		\| PMBUS_HAVE_TEMP2 \| PMBUS_HAVE_STATUS_TEMP;
	break;		break;
			case ltc3886:
			data->features \|= FEAT_CLEAR_PEAKS;
			info->read_word_data = ltc3883_read_word_data;
			info->pages = LTC3880_NUM_PAGES;
			info->func[0] = PMBUS_HAVE_VIN \| PMBUS_HAVE_IIN
			\| PMBUS_HAVE_STATUS_INPUT
			\| PMBUS_HAVE_VOUT \| PMBUS_HAVE_STATUS_VOUT
			\| PMBUS_HAVE_IOUT \| PMBUS_HAVE_STATUS_IOUT
			\| PMBUS_HAVE_PIN \| PMBUS_HAVE_POUT \| PMBUS_HAVE_TEMP
			\| PMBUS_HAVE_TEMP2 \| PMBUS_HAVE_STATUS_TEMP;
			info->func[1] = PMBUS_HAVE_VOUT \| PMBUS_HAVE_STATUS_VOUT
			\| PMBUS_HAVE_IOUT \| PMBUS_HAVE_STATUS_IOUT
			\| PMBUS_HAVE_POUT
			\| PMBUS_HAVE_TEMP \| PMBUS_HAVE_STATUS_TEMP;
			break;
	default:		default:
	return -ENODEV;		return -ENODEV;
	}		}
	@@ -650,6 +669,7 @@ static const struct of_device_id ltc2978_of_match[] = {
	{ .compatible = "lltc,ltc3880" },		{ .compatible = "lltc,ltc3880" },
	{ .compatible = "lltc,ltc3882" },		{ .compatible = "lltc,ltc3882" },
	{ .compatible = "lltc,ltc3883" },		{ .compatible = "lltc,ltc3883" },
			{ .compatible = "lltc,ltc3886" },
	{ .compatible = "lltc,ltc3887" },		{ .compatible = "lltc,ltc3887" },
	{ .compatible = "lltc,ltm2987" },		{ .compatible = "lltc,ltm2987" },
	{ .compatible = "lltc,ltm4676" },		{ .compatible = "lltc,ltm4676" },