Re: [PATCH 1/2] hwmon: (pmbus/ltc2978): add support for more parts.
From: Guenter Roeck
Date: Mon Feb 10 2020 - 12:49:57 EST
On Thu, Feb 06, 2020 at 04:44:13PM -0700, Mike Jones wrote:
> LTC2972, LTC2979, LTC3884, LTC3889, LTC7880, LTM4664, LTM4677,
> LTM4678, LTM4680, LTM4700.
>
> Signed-off-by: Mike Jones <michael-a1.jones@xxxxxxxxxx>
Applied to hwmon-next.
> ---
> Documentation/hwmon/ltc2978.rst | 164 +++++++++++++++++++++++++++++++---------
> drivers/hwmon/pmbus/Kconfig | 11 +--
> drivers/hwmon/pmbus/ltc2978.c | 92 ++++++++++++++++++++--
> 3 files changed, 220 insertions(+), 47 deletions(-)
>
> diff --git a/Documentation/hwmon/ltc2978.rst b/Documentation/hwmon/ltc2978.rst
> index 42fd841..58838d4 100644
> --- a/Documentation/hwmon/ltc2978.rst
> +++ b/Documentation/hwmon/ltc2978.rst
> @@ -3,6 +3,14 @@ Kernel driver ltc2978
>
> Supported chips:
>
> + * Linear Technology LTC2972
> +
> + Prefix: 'ltc2972'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltc2972.html
> +
> * Linear Technology LTC2974
>
> Prefix: 'ltc2974'
> @@ -37,6 +45,14 @@ Supported chips:
>
> https://www.analog.com/en/products/ltc2978a
>
> + * Linear Technology LTC2979
> +
> + Prefix: 'ltc2979'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltc2979
> +
> * Linear Technology LTC2980
>
> Prefix: 'ltc2980'
> @@ -69,6 +85,14 @@ Supported chips:
>
> Datasheet: https://www.analog.com/en/products/ltc3883
>
> + * Linear Technology LTC3884
> +
> + Prefix: 'ltc3884'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltc3884
> +
> * Linear Technology LTC3886
>
> Prefix: 'ltc3886'
> @@ -85,6 +109,22 @@ Supported chips:
>
> Datasheet: https://www.analog.com/en/products/ltc3887
>
> + * Linear Technology LTC3889
> +
> + Prefix: 'ltc3889'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltc3889
> +
> + * Linear Technology LTC7880
> +
> + Prefix: 'ltc7880'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltc7880
> +
> * Linear Technology LTM2987
>
> Prefix: 'ltm2987'
> @@ -93,7 +133,15 @@ Supported chips:
>
> Datasheet: https://www.analog.com/en/products/ltm2987
>
> - * Linear Technology LTM4675
> + * Linear Technology LTM4644
> +
> + Prefix: 'ltm4644'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltm4644
> +
> + * Linear Technology LTM4675
>
> Prefix: 'ltm4675'
>
> @@ -109,6 +157,30 @@ Supported chips:
>
> Datasheet: https://www.analog.com/en/products/ltm4676
>
> + * Linear Technology LTM4677
> +
> + Prefix: 'ltm4677'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltm4677
> +
> + * Linear Technology LTM4678
> +
> + Prefix: 'ltm4678'
> +
> + Addresses scanned: -
> +
> + Datasheet: https://www.analog.com/en/products/ltm4678
> +
> + * Analog Devices LTM4680
> +
> + Prefix: 'ltm4680'
> +
> + Addresses scanned: -
> +
> + Datasheet: http://www.analog.com/ltm4680
> +
> * Analog Devices LTM4686
>
> Prefix: 'ltm4686'
> @@ -117,6 +189,15 @@ Supported chips:
>
> Datasheet: http://www.analog.com/ltm4686
>
> + * Analog Devices LTM4700
> +
> + Prefix: 'ltm4700'
> +
> + Addresses scanned: -
> +
> + Datasheet: http://www.analog.com/ltm4700
> +
> +
>
> Author: Guenter Roeck <linux@xxxxxxxxxxxx>
>
> @@ -166,13 +247,13 @@ in1_min Minimum input voltage.
>
> in1_max Maximum input voltage.
>
> - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
> - LTM2987 only.
> + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
> + LTC2979 and LTM2987 only.
>
> in1_lcrit Critical minimum input voltage.
>
> - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
> - LTM2987 only.
> + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
> + LTC2979 and LTM2987 only.
>
> in1_crit Critical maximum input voltage.
>
> @@ -180,17 +261,17 @@ in1_min_alarm Input voltage low alarm.
>
> in1_max_alarm Input voltage high alarm.
>
> - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
> - LTM2987 only.
> + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
> + LTC2979 and LTM2987 only.
> in1_lcrit_alarm Input voltage critical low alarm.
>
> - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
> - LTM2987 only.
> + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
> + LTC2979 and LTM2987 only.
> in1_crit_alarm Input voltage critical high alarm.
>
> in1_lowest Lowest input voltage.
>
> - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
> + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and
> LTM2987 only.
> in1_highest Highest input voltage.
>
> @@ -198,11 +279,13 @@ in1_reset_history Reset input voltage history.
>
> in[N]_label "vout[1-8]".
>
> + - LTC2972: N=2-3
> - LTC2974, LTC2975: N=2-5
> - - LTC2977, LTC2980, LTM2987: N=2-9
> + - LTC2977, LTC2979, LTC2980, LTM2987: N=2-9
> - LTC2978: N=2-9
> - - LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676:
> - N=2-3
> + - LTC3880, LTC3882, LTC3884, LTC23886 LTC3887, LTC3889,
> + LTC7880, LTM4644, LTM4675, LTM4676, LTM4677, LTM4678,
> + LTM4680, LTM4700: N=2-3
> - LTC3883: N=2
>
> in[N]_input Measured output voltage.
> @@ -226,7 +309,7 @@ in[N]_crit_alarm Output voltage critical high alarm.
> in[N]_lowest Lowest output voltage.
>
>
> - LTC2974, LTC2975,and LTC2978 only.
> + LTC2972, LTC2974, LTC2975,and LTC2978 only.
>
> in[N]_highest Highest output voltage.
>
> @@ -234,20 +317,24 @@ in[N]_reset_history Reset output voltage history.
>
> temp[N]_input Measured temperature.
>
> + - On LTC2972, temp[1-2] report external temperatures,
> + and temp 3 reports the chip temperature.
> - On LTC2974 and LTC2975, temp[1-4] report external
> temperatures, and temp5 reports the chip temperature.
> - - On LTC2977, LTC2980, LTC2978, and LTM2987, only one
> - temperature measurement is supported and reports
> - the chip temperature.
> - - On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676,
> - temp1 and temp2 report external temperatures, and
> - temp3 reports the chip temperature.
> + - On LTC2977, LTC2979, LTC2980, LTC2978, and LTM2987,
> + only one temperature measurement is supported and
> + reports the chip temperature.
> + - On LTC3880, LTC3882, LTC3886, LTC3887, LTC3889,
> + LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
> + and LTM4700, temp1 and temp2 report external
> + temperatures, and temp3 reports the chip temperature.
> - On LTC3883, temp1 reports an external temperature,
> and temp2 reports the chip temperature.
>
> temp[N]_min Mimimum temperature.
>
> - LTC2974, LCT2977, LTM2980, LTC2978, and LTM2987 only.
> + LTC2972, LTC2974, LCT2977, LTM2980, LTC2978,
> + LTC2979, and LTM2987 only.
>
> temp[N]_max Maximum temperature.
>
> @@ -257,8 +344,8 @@ temp[N]_crit Critical high temperature.
>
> temp[N]_min_alarm Temperature low alarm.
>
> - LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and
> - LTM2987 only.
> + LTC2972, LTC2974, LTC2975, LTC2977, LTM2980, LTC2978,
> + LTC2979, and LTM2987 only.
>
> temp[N]_max_alarm Temperature high alarm.
>
> @@ -269,8 +356,8 @@ temp[N]_crit_alarm Temperature critical high alarm.
>
> temp[N]_lowest Lowest measured temperature.
>
> - - LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and
> - LTM2987 only.
> + - LTC2972, LTC2974, LTC2975, LTC2977, LTM2980, LTC2978,
> + LTC2979, and LTM2987 only.
> - Not supported for chip temperature sensor on LTC2974
> and LTC2975.
>
> @@ -290,19 +377,22 @@ power1_input Measured input power.
>
> power[N]_label "pout[1-4]".
>
> + - LTC2972: N=1-2
> - LTC2974, LTC2975: N=1-4
> - - LTC2977, LTC2980, LTM2987: Not supported
> + - LTC2977, LTC2979, LTC2980, LTM2987: Not supported
> - LTC2978: Not supported
> - - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
> - N=1-2
> + - LTC3880, LTC3882, LTC3884, LTC3886, LTC3887, LTC3889,
> + LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
> + LTM4700: N=1-2
> - LTC3883: N=2
>
> power[N]_input Measured output power.
>
> curr1_label "iin".
>
> - LTC3880, LTC3883, LTC3886, LTC3887, LTM4675,
> - and LTM4676 only.
> + LTC3880, LTC3883, LTC3884, LTC3886, LTC3887, LTC3889,
> + LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
> + and LTM4700 only.
>
> curr1_input Measured input current.
>
> @@ -320,11 +410,13 @@ curr1_reset_history Reset input current history.
>
> curr[N]_label "iout[1-4]".
>
> + - LTC2972: N-1-2
> - LTC2974, LTC2975: N=1-4
> - - LTC2977, LTC2980, LTM2987: not supported
> + - LTC2977, LTC2979, LTC2980, LTM2987: not supported
> - LTC2978: not supported
> - - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676:
> - N=2-3
> + - LTC3880, LTC3882, LTC3884, LTC3886, LTC3887, LTC3889,
> + LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
> + LTM4700: N=2-3
> - LTC3883: N=2
>
> curr[N]_input Measured output current.
> @@ -335,7 +427,7 @@ curr[N]_crit Critical high output current.
>
> curr[N]_lcrit Critical low output current.
>
> - LTC2974 and LTC2975 only.
> + LTC2972, LTC2974 and LTC2975 only.
>
> curr[N]_max_alarm Output current high alarm.
>
> @@ -343,11 +435,11 @@ curr[N]_crit_alarm Output current critical high alarm.
>
> curr[N]_lcrit_alarm Output current critical low alarm.
>
> - LTC2974 and LTC2975 only.
> + LTC2972, LTC2974 and LTC2975 only.
>
> curr[N]_lowest Lowest output current.
>
> - LTC2974 and LTC2975 only.
> + LTC2972, LTC2974 and LTC2975 only.
>
> curr[N]_highest Highest output current.
>
> diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
> index 5985997..92f26f3 100644
> --- a/drivers/hwmon/pmbus/Kconfig
> +++ b/drivers/hwmon/pmbus/Kconfig
> @@ -113,8 +113,8 @@ config SENSORS_LTC2978
> tristate "Linear Technologies LTC2978 and compatibles"
> help
> If you say yes here you get hardware monitoring support for Linear
> - Technology LTC2974, LTC2975, LTC2977, LTC2978, LTC2980, LTC3880,
> - LTC3883, LTC3886, LTC3887, LTCM2987, LTM4675, and LTM4676.
> + Technology LTC2972, LTC2974, LTC2975, LTC2977, LTC2978, LTC2979,
> + LTC2980, and LTM2987.
>
> This driver can also be built as a module. If so, the module will
> be called ltc2978.
> @@ -123,9 +123,10 @@ config SENSORS_LTC2978_REGULATOR
> bool "Regulator support for LTC2978 and compatibles"
> depends on SENSORS_LTC2978 && REGULATOR
> help
> - If you say yes here you get regulator support for Linear
> - Technology LTC2974, LTC2977, LTC2978, LTC3880, LTC3883, LTM4676
> - and LTM4686.
> + If you say yes here you get regulator support for Linear Technology
> + LTC3880, LTC3883, LTC3884, LTC3886, LTC3887, LTC3889, LTC7880,
> + LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680, LTM4686,
> + and LTM4700.
>
> config SENSORS_LTC3815
> tristate "Linear Technologies LTC3815"
> diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
> index a91ed01..8f619d0 100644
> --- a/drivers/hwmon/pmbus/ltc2978.c
> +++ b/drivers/hwmon/pmbus/ltc2978.c
> @@ -19,8 +19,10 @@
> #include <linux/regulator/driver.h>
> #include "pmbus.h"
>
> -enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
> - ltc3883, ltc3886, ltc3887, ltm2987, ltm4675, ltm4676, ltm4686 };
> +enum chips { ltc2972, ltc2974, ltc2975, ltc2977, ltc2978, ltc2979, ltc2980, /* Managers */
> + ltc3880, ltc3882, ltc3883, ltc3884, ltc3886, ltc3887, ltc3889, ltc7880, /* Controllers */
> + ltm2987, ltm4664, ltm4675, ltm4676, ltm4677, ltm4678, ltm4680, ltm4686, ltm4700 /* Modules */
> +};
>
> /* Common for all chips */
> #define LTC2978_MFR_VOUT_PEAK 0xdd
> @@ -43,9 +45,10 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
> #define LTC3880_MFR_CLEAR_PEAKS 0xe3
> #define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4
>
> -/* LTC3883 and LTC3886 only */
> +/* LTC3883, LTC3884, LTC3886, LTC3889 and LTC7880 only */
> #define LTC3883_MFR_IIN_PEAK 0xe1
>
> +
> /* LTC2975 only */
> #define LTC2975_MFR_IIN_PEAK 0xc4
> #define LTC2975_MFR_IIN_MIN 0xc5
> @@ -54,27 +57,41 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
>
> #define LTC2978_ID_MASK 0xfff0
>
> +#define LTC2972_ID 0x0310
> #define LTC2974_ID 0x0210
> #define LTC2975_ID 0x0220
> #define LTC2977_ID 0x0130
> #define LTC2978_ID_REV1 0x0110 /* Early revision */
> #define LTC2978_ID_REV2 0x0120
> +#define LTC2979_ID_A 0x8060
> +#define LTC2979_ID_B 0x8070
> #define LTC2980_ID_A 0x8030 /* A/B for two die IDs */
> #define LTC2980_ID_B 0x8040
> #define LTC3880_ID 0x4020
> #define LTC3882_ID 0x4200
> #define LTC3882_ID_D1 0x4240 /* Dash 1 */
> #define LTC3883_ID 0x4300
> +#define LTC3884_ID 0x4C00
> #define LTC3886_ID 0x4600
> #define LTC3887_ID 0x4700
> #define LTM2987_ID_A 0x8010 /* A/B for two die IDs */
> #define LTM2987_ID_B 0x8020
> +#define LTC3889_ID 0x4900
> +#define LTC7880_ID 0x49E0
> +#define LTM4664_ID 0x4120
> #define LTM4675_ID 0x47a0
> #define LTM4676_ID_REV1 0x4400
> #define LTM4676_ID_REV2 0x4480
> #define LTM4676A_ID 0x47e0
> +#define LTM4677_ID_REV1 0x47B0
> +#define LTM4677_ID_REV2 0x47D0
> +#define LTM4678_ID_REV1 0x4100
> +#define LTM4678_ID_REV2 0x4110
> +#define LTM4680_ID 0x4140
> #define LTM4686_ID 0x4770
> +#define LTM4700_ID 0x4130
>
> +#define LTC2972_NUM_PAGES 2
> #define LTC2974_NUM_PAGES 4
> #define LTC2978_NUM_PAGES 8
> #define LTC3880_NUM_PAGES 2
> @@ -492,20 +509,30 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page,
> }
>
> static const struct i2c_device_id ltc2978_id[] = {
> + {"ltc2972", ltc2972},
> {"ltc2974", ltc2974},
> {"ltc2975", ltc2975},
> {"ltc2977", ltc2977},
> {"ltc2978", ltc2978},
> + {"ltc2979", ltc2979},
> {"ltc2980", ltc2980},
> {"ltc3880", ltc3880},
> {"ltc3882", ltc3882},
> {"ltc3883", ltc3883},
> + {"ltc3884", ltc3884},
> {"ltc3886", ltc3886},
> {"ltc3887", ltc3887},
> + {"ltc3889", ltc3889},
> + {"ltc7880", ltc7880},
> {"ltm2987", ltm2987},
> + {"ltm4664", ltm4664},
> {"ltm4675", ltm4675},
> {"ltm4676", ltm4676},
> + {"ltm4677", ltm4677},
> + {"ltm4678", ltm4678},
> + {"ltm4680", ltm4680},
> {"ltm4686", ltm4686},
> + {"ltm4700", ltm4700},
> {}
> };
> MODULE_DEVICE_TABLE(i2c, ltc2978_id);
> @@ -555,7 +582,9 @@ static int ltc2978_get_id(struct i2c_client *client)
>
> chip_id &= LTC2978_ID_MASK;
>
> - if (chip_id == LTC2974_ID)
> + if (chip_id == LTC2972_ID)
> + return ltc2972;
> + else if (chip_id == LTC2974_ID)
> return ltc2974;
> else if (chip_id == LTC2975_ID)
> return ltc2975;
> @@ -563,6 +592,8 @@ static int ltc2978_get_id(struct i2c_client *client)
> return ltc2977;
> else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2)
> return ltc2978;
> + else if (chip_id == LTC2979_ID_A || chip_id == LTC2979_ID_B)
> + return ltc2979;
> else if (chip_id == LTC2980_ID_A || chip_id == LTC2980_ID_B)
> return ltc2980;
> else if (chip_id == LTC3880_ID)
> @@ -571,19 +602,34 @@ static int ltc2978_get_id(struct i2c_client *client)
> return ltc3882;
> else if (chip_id == LTC3883_ID)
> return ltc3883;
> + else if (chip_id == LTC3884_ID)
> + return ltc3884;
> else if (chip_id == LTC3886_ID)
> return ltc3886;
> else if (chip_id == LTC3887_ID)
> return ltc3887;
> + else if (chip_id == LTC3889_ID)
> + return ltc3889;
> + else if (chip_id == LTC7880_ID)
> + return ltc7880;
> else if (chip_id == LTM2987_ID_A || chip_id == LTM2987_ID_B)
> return ltm2987;
> + else if (chip_id == LTM4664_ID)
> + return ltm4664;
> else if (chip_id == LTM4675_ID)
> return ltm4675;
> - else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 ||
> - chip_id == LTM4676A_ID)
> + else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 || chip_id == LTM4676A_ID)
> return ltm4676;
> + else if (chip_id == LTM4677_ID_REV1 || chip_id == LTM4677_ID_REV2)
> + return ltm4677;
> + else if (chip_id == LTM4678_ID_REV1 || chip_id == LTM4678_ID_REV2)
> + return ltm4678;
> + else if (chip_id == LTM4680_ID)
> + return ltm4680;
> else if (chip_id == LTM4686_ID)
> return ltm4686;
> + else if (chip_id == LTM4700_ID)
> + return ltm4700;
>
> dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id);
> return -ENODEV;
> @@ -637,6 +683,19 @@ static int ltc2978_probe(struct i2c_client *client,
> data->temp2_max = 0x7c00;
>
> switch (data->id) {
> + case ltc2972:
> + info->read_word_data = ltc2975_read_word_data;
> + info->pages = LTC2972_NUM_PAGES;
> + info->func[0] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN
> + | PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT
> + | PMBUS_HAVE_TEMP2;
> + for (i = 0; i < info->pages; i++) {
> + info->func[i] |= PMBUS_HAVE_VOUT
> + | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_POUT
> + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP
> + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
> + }
> + break;
> case ltc2974:
> info->read_word_data = ltc2974_read_word_data;
> info->pages = LTC2974_NUM_PAGES;
> @@ -662,8 +721,10 @@ static int ltc2978_probe(struct i2c_client *client,
> | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT;
> }
> break;
> +
> case ltc2977:
> case ltc2978:
> + case ltc2979:
> case ltc2980:
> case ltm2987:
> info->read_word_data = ltc2978_read_word_data;
> @@ -680,6 +741,7 @@ static int ltc2978_probe(struct i2c_client *client,
> case ltc3887:
> case ltm4675:
> case ltm4676:
> + case ltm4677:
> case ltm4686:
> data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING;
> info->read_word_data = ltc3880_read_word_data;
> @@ -721,7 +783,14 @@ static int ltc2978_probe(struct i2c_client *client,
> | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP
> | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP;
> break;
> + case ltc3884:
> case ltc3886:
> + case ltc3889:
> + case ltc7880:
> + case ltm4664:
> + case ltm4678:
> + case ltm4680:
> + case ltm4700:
> data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING;
> info->read_word_data = ltc3883_read_word_data;
> info->pages = LTC3880_NUM_PAGES;
> @@ -752,22 +821,33 @@ static int ltc2978_probe(struct i2c_client *client,
> return pmbus_do_probe(client, id, info);
> }
>
> +
> #ifdef CONFIG_OF
> static const struct of_device_id ltc2978_of_match[] = {
> + { .compatible = "lltc,ltc2972" },
> { .compatible = "lltc,ltc2974" },
> { .compatible = "lltc,ltc2975" },
> { .compatible = "lltc,ltc2977" },
> { .compatible = "lltc,ltc2978" },
> + { .compatible = "lltc,ltc2979" },
> { .compatible = "lltc,ltc2980" },
> { .compatible = "lltc,ltc3880" },
> { .compatible = "lltc,ltc3882" },
> { .compatible = "lltc,ltc3883" },
> + { .compatible = "lltc,ltc3884" },
> { .compatible = "lltc,ltc3886" },
> { .compatible = "lltc,ltc3887" },
> + { .compatible = "lltc,ltc3889" },
> + { .compatible = "lltc,ltc7880" },
> { .compatible = "lltc,ltm2987" },
> + { .compatible = "lltc,ltm4664" },
> { .compatible = "lltc,ltm4675" },
> { .compatible = "lltc,ltm4676" },
> + { .compatible = "lltc,ltm4677" },
> + { .compatible = "lltc,ltm4678" },
> + { .compatible = "lltc,ltm4680" },
> { .compatible = "lltc,ltm4686" },
> + { .compatible = "lltc,ltm4700" },
> { }
> };
> MODULE_DEVICE_TABLE(of, ltc2978_of_match);