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Adding driver support for ADP105x - ADP1051
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Signed-off-by: ivangilmercano <[email protected]>
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@ivangilmercano
ivangilmercano committed Dec 2, 2024
1 parent 66afd04 commit fb69a66
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Showing 2 changed files with 376 additions and 58 deletions.
206 changes: 186 additions & 20 deletions drivers/power/adp1050/adp1050.c
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,7 @@ int adp1050_read_status(struct adp1050_desc *desc,
case ADP1050_STATUS_INPUT_TYPE:
case ADP1050_STATUS_TEMPERATURE_TYPE:
case ADP1050_STATUS_CML_TYPE:
case ADP1051_STATUS_IOUT_TYPE:
ret = adp1050_read(desc, (uint16_t)status, &read_byte, 1);
if (ret)
return ret;
Expand Down Expand Up @@ -346,7 +347,7 @@ int adp1050_pwm_duty_cycle(struct adp1050_desc *desc, uint16_t pulse_width,
redge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_start);
lsb = no_os_field_get(ADP1050_FALLING_EDGE_LSB_MASK,
pulse_width + pulse_start) | no_os_field_get(ADP1050_RISING_EDGE_LSB_MASK,
pulse_start);
pulse_start);

reg_fedge = ADP1050_OUTA_FALLING_EDGE_TIMING;
reg_redge = ADP1050_OUTA_RISING_EDGE_TIMING;
Expand All @@ -358,7 +359,31 @@ int adp1050_pwm_duty_cycle(struct adp1050_desc *desc, uint16_t pulse_width,
redge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_start);
lsb = no_os_field_get(ADP1050_FALLING_EDGE_LSB_MASK,
pulse_width + pulse_start) | no_os_field_get(ADP1050_RISING_EDGE_LSB_MASK,
pulse_start);
pulse_start);

reg_fedge = ADP1050_OUTB_FALLING_EDGE_TIMING;
reg_redge = ADP1050_OUTB_RISING_EDGE_TIMING;
reg_lsb = ADP1050_OUTB_RISING_FALLING_TIMING_LSB;

break;
case ADP1050_OUTC:
fedge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_width + pulse_start);
redge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_start);
lsb = no_os_field_get(ADP1050_FALLING_EDGE_LSB_MASK,
pulse_width + pulse_start) | no_os_field_get(ADP1050_RISING_EDGE_LSB_MASK,
pulse_start);

reg_fedge = ADP1050_OUTB_FALLING_EDGE_TIMING;
reg_redge = ADP1050_OUTB_RISING_EDGE_TIMING;
reg_lsb = ADP1050_OUTB_RISING_FALLING_TIMING_LSB;

break;
case ADP1050_OUTD:
fedge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_width + pulse_start);
redge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_start);
lsb = no_os_field_get(ADP1050_FALLING_EDGE_LSB_MASK,
pulse_width + pulse_start) | no_os_field_get(ADP1050_RISING_EDGE_LSB_MASK,
pulse_start);

reg_fedge = ADP1050_OUTB_FALLING_EDGE_TIMING;
reg_redge = ADP1050_OUTB_RISING_EDGE_TIMING;
Expand All @@ -370,7 +395,7 @@ int adp1050_pwm_duty_cycle(struct adp1050_desc *desc, uint16_t pulse_width,
fedge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_start);
lsb = no_os_field_get(ADP1050_RISING_EDGE_LSB_MASK,
pulse_width + pulse_start) | no_os_field_get(ADP1050_FALLING_EDGE_LSB_MASK,
pulse_start);
pulse_start);

reg_fedge = ADP1050_SR1_FALLING_EDGE_TIMING;
reg_redge = ADP1050_SR1_RISING_EDGE_TIMING;
Expand All @@ -382,7 +407,7 @@ int adp1050_pwm_duty_cycle(struct adp1050_desc *desc, uint16_t pulse_width,
fedge_msb = no_os_field_get(ADP1050_EDGE_MSB_MASK, pulse_start);
lsb = no_os_field_get(ADP1050_RISING_EDGE_LSB_MASK,
pulse_width + pulse_start) | no_os_field_get(ADP1050_FALLING_EDGE_LSB_MASK,
pulse_start);
pulse_start);

reg_fedge = ADP1050_SR2_FALLING_EDGE_TIMING;
reg_redge = ADP1050_SR2_RISING_EDGE_TIMING;
Expand Down Expand Up @@ -421,17 +446,17 @@ int adp1050_pwm_modulation(struct adp1050_desc *desc, enum adp1050_mod mod,
uint32_t mask, reg;

switch (mod) {
case ADP1050_OUTA_SR1_FALLING_MOD:
mask = ADP1050_OUTA_SR1_FALLING_MOD_MASK;
case ADP1050_OUTA_OUTC_SR1_FALLING_MOD:
mask = ADP1050_OUTA_OUTC_SR1_FALLING_MOD_MASK;
break;
case ADP1050_OUTA_SR1_RISING_MOD:
mask = ADP1050_OUTA_SR1_RISING_MOD_MASK;
case ADP1050_OUTA_OUTC_SR1_RISING_MOD:
mask = ADP1050_OUTA_OUTC_SR1_RISING_MOD_MASK;
break;
case ADP1050_OUTB_SR2_FALLING_MOD:
mask = ADP1050_OUTB_SR2_FALLING_MOD_MASK;
case ADP1050_OUTB_OUTD_SR2_FALLING_MOD:
mask = ADP1050_OUTB_OUTD_SR2_FALLING_MOD_MASK;
break;
case ADP1050_OUTB_SR2_RISING_MOD:
mask = ADP1050_OUTB_SR2_RISING_MOD_MASK;
case ADP1050_OUTB_OUTD_SR2_RISING_MOD:
mask = ADP1050_OUTB_OUTD_SR2_RISING_MOD_MASK;
break;
default:
return -EINVAL;
Expand All @@ -442,6 +467,10 @@ int adp1050_pwm_modulation(struct adp1050_desc *desc, enum adp1050_mod mod,
case ADP1050_OUTB:
reg = ADP1050_OUTA_OUTB_MODULATION_SETTINGS;
break;
case ADP1050_OUTC:
case ADP1050_OUTD:
reg = ADP1051_OUTC_OUTD_MODULATION_SETTINGS;
break;
case ADP1050_SR1:
case ADP1050_SR2:
reg = ADP1050_SR1_SR2_MODULATION_SETTINGS;
Expand Down Expand Up @@ -530,6 +559,20 @@ int adp1050_set_vin(struct adp1050_desc *desc, int16_t mantissa, int8_t exp,
val, 2);
}

/**
* @brief Set ADP1051 vout droop for setting the rate of output voltage and current
* @param desc - ADP1050 device descriptor
* @param mantissa - Mantissa value to be transmitted, 7 bit twos complment
* @return 0 in case of success, negative error code otherwise
*/
int adp1051_set_vout_droop(struct adp1050_desc *desc, uint16_t mantissa)
{
if(mantissa > ADP1051_VDROOP_MAXVAL)
return -EINVAL;

return adp1050_write(desc, ADP1051_VOUT_DROOP, mantissa, 2);
}

/**
* @brief Set current limit fast fault for overcurrent protection and current
* limit cycle-by-cycle reference
Expand Down Expand Up @@ -578,6 +621,96 @@ int adp1050_set_cs1_settings(struct adp1050_desc *desc,
return adp1050_write(desc, ADP1050_CS1_CBC_CURR_LIM_SETTINGS, val, 1);
}

/**
* @brief Set light load and deep light load common setting
* @param desc - ADP1050 device descriptor
* @param drooping - avg speed for drooping contrl
* @param avg_speed - light load and deep light load avg speed
* @param hysteresis - light load and deep light load hysteresis
* @return 0 in case of succes, negative error code otherwise.
*/
int adp1051_llm_dllm_comm_setting(struct adp1050_desc *desc,
enum adp1051_llm_dlm_drooping drooping,
enum adp1051_llm_dlm_avg_speed avg_speed,
enum adp1051_llm_dlm_hysteresis hysteresis)
{
uint16_t val;

val = no_os_field_prep(ADP1051_LLM_DLM_DROOPING_MASK, drooping) |
no_os_field_prep(ADP1051_LLM_DLM_AVG_SPEED_MASK, avg_speed) |
no_os_field_prep(ADP1051_LLM_DLM_HYST_MASK, hysteresis);

return adp1050_write(desc, ADP1051_LLM_DLM_SET, val, 1);
}

/**
* @brief Set light load and deep light load
* @param desc - ADP1050 device descriptor
* @param llm_debounce - cs3_oc_fault flag debounce
* @param thresh - light load and deep light load threshold
* @param light en - 1 to enable light load mode
* @return 0 in case of succes, negative error code otherwise.
*/
int adp1051_llm_dllm_setting(struct adp1050_desc *desc,
enum adp1051_cs2_lightload_debounce llm_debounce,
enum adp1051_llm_dlm_thresh thresh,
bool light_en)
{
int16_t val;

if (light_en)
val = no_os_field_prep(ADP1051_LLM_DEBOUNCE_MASK, 1) |
no_os_field_prep(ADP1051_LLM_DEBOUNCE_MASK, llm_debounce) |
no_os_field_prep(ADP1051_LLM_THRESH_MASK, thresh);

return adp1050_write(desc, ADP1051_CS2_LIGHT_THRESH, val, 1);

if (!light_en)
val = no_os_field_prep(ADP1051_LLM_THRESH_MASK, thresh);

return adp1050_write(desc, ADP1051_CS2_LIGHT_THRESH, val, 1);
}

/**
* @brief Set the IOUT calibration gain for ADP1051
* @param desc - ADP1050 device descriptor
* @param mantissa - Mantissa value to be transmitted, 11 bit twos complement.
* @param exp - Exponent value to be transmitted, 5 bit twos complement.
* added support for ADP1051 - usually used in the read_iout command
*/
int adp1051_set_iout_cal_gain(struct adp1050_desc *desc, int16_t mantissa,
int8_t exp)
{
uint16_t val;

if (mantissa > ADP1050_MANT_MAX || exp > ADP1050_EXP_MAX)
return -EINVAL;

val = no_os_field_prep(ADP1050_EXP_MASK, exp) | mantissa;

return adp1050_write(desc, ADP1051_IOUT_CAL_GAIN, val, 2);
}

/**
* @brief Set the IOUT OC fault limit for ADP1051
* @param desc - ADP1050 device descriptor
* @param mantissa - Mantissa value to be transmitted, 11 bit twos complement.
* @param exp - Exponent value to be transmitted, 5 bit twos complement.
* added support for ADP1051 -
*/
int adp1051_set_iout_oc_fault_limit(struct adp1050_desc *desc, int16_t mantissa,
int8_t exp)
{
uint16_t val;

if (mantissa > ADP1050_MANT_MAX || exp > ADP1050_EXP_MAX)
return -EINVAL;

val = no_os_field_prep(ADP1050_EXP_MASK, exp) | mantissa;

return adp1050_write(desc, ADP1051_IOUT_OC_FAULT_LIMIT, val, 2);
}

/**
* @brief Set requested ADP1050 channel in Open Loop operation mode.
* @param desc - ADP1050 device descriptor.
Expand All @@ -591,7 +724,8 @@ int adp1050_set_open_loop(struct adp1050_desc *desc, uint8_t rising_edge,
{
int ret;

if ((chan == ADP1050_OUTA || chan == ADP1050_OUTB)
if ((chan == ADP1050_OUTA || chan == ADP1050_OUTB || chan == ADP1051_OUTC
|| chan == ADP1051_OUTD)
&& falling_edge < rising_edge)
return -EINVAL;

Expand All @@ -610,6 +744,8 @@ int adp1050_set_open_loop(struct adp1050_desc *desc, uint8_t rising_edge,
switch (chan) {
case ADP1050_OUTA:
case ADP1050_OUTB:
case ADP1051_OUTC:
case ADP1051_OUTD:
ret = adp1050_pwm_duty_cycle(desc, falling_edge, falling_edge - rising_edge,
chan);
break;
Expand All @@ -634,7 +770,8 @@ int adp1050_set_open_loop(struct adp1050_desc *desc, uint8_t rising_edge,
if (ret)
return ret;

if (chan == ADP1050_OUTA || chan == ADP1050_OUTB) {
if (chan == ADP1050_OUTA || chan == ADP1050_OUTB || chan == ADP1051_OUTC
|| chan == ADP1051_OUTD) {
ret = adp1050_write(desc, ADP1050_SOFT_START_SETTING_OL,
ADP1050_OL_SS_64_CYCLES, 1);
if (ret)
Expand Down Expand Up @@ -773,8 +910,8 @@ int adp1050_set_flgi_response(struct adp1050_desc *desc,
* @param hf - Normal mode high filter gain settings.
* @return 0 in case of succes, negative error code otherwise
*/
int adp1050_filter(struct adp1050_desc *desc, uint8_t zero, uint8_t pole,
uint8_t lf, uint8_t hf)
int adp1050_nfilter(struct adp1050_desc *desc, uint8_t zero, uint8_t pole,
uint8_t lf, uint8_t hf)
{
int ret;

Expand All @@ -793,6 +930,35 @@ int adp1050_filter(struct adp1050_desc *desc, uint8_t zero, uint8_t pole,
return adp1050_write(desc, ADP1050_NORMAL_MODE_COMP_HIGH_FREQ, hf, 1);
}

/**
* @brief Adjust filter settings of the light mode compensator
* @param desc - ADP1050 device descriptor
* @param zero - light mode zero settings.
* @param pole - light mode pole settings.
* @param lf - light mode low filter gain settings.
* @param hf - light mode high filter gain settings.
* @return 0 in case of succes, negative error code otherwise
*/
int adp1050_lfilter(struct adp1050_desc *desc, uint8_t zero, uint8_t pole,
uint8_t lf, uint8_t hf)
{
int ret;

ret = adp1050_write(desc, ADP1051_LIGHT_MOD_COMP_LOW_FREQ, lf, 1);
if (ret)
return ret;

ret = adp1050_write(desc, ADP1051_LIGHT_MODE_COMP_ZERO, zero, 1);
if (ret)
return ret;

ret = adp1050_write(desc, ADP1051_LIGHT_MODE_COMP_POLE, pole, 1);
if (ret)
return ret;

return adp1050_write(desc, ADP1051_LIGHTL_MODE_COMP_HIGH_FREQ, hf, 1);
}

/**
* @brief Trim IIN(CS1 pin)/VIN(VF pin)/VOUT(VS pin).
* @param desc - ADP1050 device descriptor
Expand Down Expand Up @@ -831,7 +997,7 @@ int adp1050_trim(struct adp1050_desc *desc, enum adp1050_trim_type trim_type,
for the device to trim it. CS1 voltage needs to be applied
according to datasheet specifications. */
while (read_val != ADP1050_CS1_TRIM_VAL
&& init_val < ADP1050_CS1_MAX_INIT_VAL) {
&& init_val < ADP1050_CS1_MAX_INIT_VAL) {
ret = adp1050_write(desc, ADP1050_CS1_GAIN_TRIM, init_val++, 1);
if (ret)
return ret;
Expand Down Expand Up @@ -892,8 +1058,8 @@ int adp1050_trim(struct adp1050_desc *desc, enum adp1050_trim_type trim_type,
return ret;

while (read_val != trim_val
&& no_os_field_get(ADP1050_VS_INIT_MASK,
init_val) < ADP1050_VS_OFFSET_MAX_INIT_VAL) {
&& no_os_field_get(ADP1050_VS_INIT_MASK,
init_val) < ADP1050_VS_OFFSET_MAX_INIT_VAL) {
ret = adp1050_vout_offset(desc,
(read_val < trim_val) ? init_val++ : init_val--);
if (ret)
Expand Down Expand Up @@ -1184,4 +1350,4 @@ int adp1050_remove(struct adp1050_desc *desc)
no_os_free(desc);

return 0;
}
}
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