OERV-BSP/kernel-spacemit-k1
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k1x:adc:p1: supprt adc driver for k1x

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Change-Id: I200fe01c6bf351c13cc23876e4effca537ce028e
This commit is contained in:
Nell
2024-09-20 10:10:13 +08:00
committed by zhangmeng
parent fb6a7c6e9c
commit d6bbc3f057
19 changed files with 382 additions and 1 deletions
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6
include/linux/mfd/spacemit/spacemit_pmic.h
View File

@@ -213,6 +213,12 @@ struct pinctrl_match_data {
const char *name;
};
struct adc_match_data {
int nr_desc;
const char *name;
struct iio_chan_spec *iio_desc;
};
/* common regulator defination */
#define SPM8XX_DESC_COMMON(_id, _match, _supply, _nv, _vr, _vm, _er, _em, _lr, _ops) \
{ \

94
include/linux/mfd/spacemit/spm8821.h
View File

@@ -24,6 +24,8 @@ enum SPM8821_reg {
#define SPACEMIT_SPM8821_MAX_REG 0xB0
#define SPM8821_VERSION_ID_REG 0xa1
#define SPM8821_BUCK_VSEL_MASK 0xff
#define SMP8821_BUCK_EN_MASK 0x1
@@ -85,6 +87,37 @@ enum SPM8821_reg {
#define SPM8821_SLEEP_REG_OFFSET 0x1
#define SPM8821_ADC_AUTO_REG 0x22
#define SPM8821_ADC_AUTO_BIT_MSK 0x7f
#define SPM8821_ADC_CTRL_REG 0x1e
#define SPM8821_ADC_CTRL_BIT_MSK 0x3
#define SPM8821_ADC_CTRL_EN_BIT_OFFSET 0x0
#define SPM8821_ADC_CTRL_GO_BIT_OFFSET 0x1
#define SPM8821_ADC_CFG1_REG 0x20
#define SPM8821_ADC_CFG1_ADC_CHOP_EN_BIT_OFFSET 0x6
#define SPM8821_ADC_CFG1_ADC_CHOP_EN_BIT_MSK 0x40
#define SPM8821_ADC_CFG1_ADC_CHNNL_SEL_BIT_OFFSET 0x3
#define SPM8821_ADC_CFG1_ADC_CHNNL_SEL_BIT_MSK 0x38
#define SPM8821_ADC_CFG2_REG 0x21
#define SPM8821_ADC_CFG2_REF_SEL_BIT_OFFSET 0x0
#define SPM8821_ADC_CFG2_REF_SEL_BIT_MSK 0x3
#define SPM8821_ADC_CFG2_3V3_REF 0x2
#define SPM8821_ADC_CFG2_7_DEB_NUM 0x7
#define SPM8821_ADC_CFG2_DEB_NUM_BIT_MSK 0x70
#define SPM8821_ADC_CFG2_DEB_NUM_BIT_OFFSET 0x4
#define SPM8821_ADC_EXTERNAL_CHANNEL_OFFSET 2
#define SPM8821_ADCIN0_RES_H_REG 0x2a
#define SPM8821_ADCIN0_RES_L_REG 0x2b
#define SPM8821_ADCIN0_REG_L_BIT_MSK 0xf0
#define SPM8821_REGMAP_CONFIG \
static const struct regmap_config spm8821_regmap_config = { \
.reg_bits = 8, \
@@ -197,6 +230,46 @@ static const struct regulator_desc spm8821_reg[] = { \
SPM8821_DESC_SWITCH(SPM8821_ID_SWITCH1, "SWITCH_REG1", "vcc_sys", SPM8821_SWITCH_CTRL_REG, SPM8821_SWTICH_EN_MASK), \
};
#define SPM8821_ADC_IIO_DESC \
static struct iio_chan_spec spm8821_iio_desc[] = { \
{ \
.indexed = 1, \
.type = IIO_VOLTAGE, \
.channel = 0, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
}, \
{ \
.indexed = 1, \
.type = IIO_VOLTAGE, \
.channel = 1, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
}, \
{ \
.indexed = 1, \
.type = IIO_VOLTAGE, \
.channel = 2, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
}, \
{ \
.indexed = 1, \
.type = IIO_VOLTAGE, \
.channel = 3, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
}, \
{ \
.indexed = 1, \
.type = IIO_VOLTAGE, \
.channel = 4, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
}, \
{ \
.indexed = 1, \
.type = IIO_VOLTAGE, \
.channel = 5, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), \
}, \
};
/* gpio set */
#define SPM8821_PINMUX_DESC \
const char* spm8821_pinmux_functions[] = { \
@@ -664,6 +737,12 @@ static const struct resource spm8821_rtc_resources[] = { \
DEFINE_RES_IRQ(SPM8821_E_ALARM), \
};
/* adc desc */
#define SPM8821_ADC_RESOURCES_DESC \
static const struct resource spm8821_adc_resources[] = { \
DEFINE_RES_IRQ(SPM8821_E_ADC_EOC), \
};
#define SPM8821_RTC_REG_DESC \
static const struct rtc_regdesc spm8821_regdesc = { \
.cnt_s = { \
@@ -754,6 +833,12 @@ static const struct rtc_regdesc spm8821_regdesc = { \
.num_resources = ARRAY_SIZE(spm8821_rtc_resources), \
.resources = &spm8821_rtc_resources[0], \
}, \
{ \
.name = "spacemit-adc@spm8821", \
.of_compatible = "pmic,adc,spm8821", \
.num_resources = ARRAY_SIZE(spm8821_adc_resources), \
.resources = &spm8821_adc_resources[0], \
}, \
};
#define SPM8821_MFD_MATCH_DATA \
@@ -778,7 +863,7 @@ static struct mfd_match_data spm8821_mfd_match_data = { \
};
#define SPM8821_PINCTRL_MATCH_DATA \
static struct pinctrl_match_data spm8821_pinctrl_match_data = { \
static struct pinctrl_match_data spm8821_pinctrl_match_data = { \
.nr_pin_mux = ARRAY_SIZE(spm8821_pinmux_functions), \
.pinmux_funcs = spm8821_pinmux_functions, \
.nr_pin_fuc_desc = ARRAY_SIZE(spm8821_pinfunc_desc), \
@@ -796,4 +881,11 @@ static struct regulator_match_data spm8821_regulator_match_data = { \
.sleep_reg_offset = SPM8821_SLEEP_REG_OFFSET, \
};
#define SPM8821_ADC_MATCH_DATA \
static struct adc_match_data spm8821_adc_match_data = { \
.iio_desc = spm8821_iio_desc, \
.nr_desc = ARRAY_SIZE(spm8821_iio_desc), \
.name = "spm8821", \
};
#endif /* __SPM8821_H__ */