root/drivers/mfd/intel_soc_pmic_crc.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Device access for Crystal Cove PMIC
   4  *
   5  * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved.
   6  *
   7  * Author: Yang, Bin <bin.yang@intel.com>
   8  * Author: Zhu, Lejun <lejun.zhu@linux.intel.com>
   9  */
  10 
  11 #include <linux/interrupt.h>
  12 #include <linux/regmap.h>
  13 #include <linux/mfd/core.h>
  14 #include <linux/mfd/intel_soc_pmic.h>
  15 
  16 #include "intel_soc_pmic_core.h"
  17 
  18 #define CRYSTAL_COVE_MAX_REGISTER       0xC6
  19 
  20 #define CRYSTAL_COVE_REG_IRQLVL1        0x02
  21 #define CRYSTAL_COVE_REG_MIRQLVL1       0x0E
  22 
  23 #define CRYSTAL_COVE_IRQ_PWRSRC         0
  24 #define CRYSTAL_COVE_IRQ_THRM           1
  25 #define CRYSTAL_COVE_IRQ_BCU            2
  26 #define CRYSTAL_COVE_IRQ_ADC            3
  27 #define CRYSTAL_COVE_IRQ_CHGR           4
  28 #define CRYSTAL_COVE_IRQ_GPIO           5
  29 #define CRYSTAL_COVE_IRQ_VHDMIOCP       6
  30 
  31 static struct resource gpio_resources[] = {
  32         DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_GPIO, "GPIO"),
  33 };
  34 
  35 static struct resource pwrsrc_resources[] = {
  36         DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_PWRSRC, "PWRSRC"),
  37 };
  38 
  39 static struct resource adc_resources[] = {
  40         DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_ADC, "ADC"),
  41 };
  42 
  43 static struct resource thermal_resources[] = {
  44         DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_THRM, "THERMAL"),
  45 };
  46 
  47 static struct resource bcu_resources[] = {
  48         DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_BCU, "BCU"),
  49 };
  50 
  51 static struct mfd_cell crystal_cove_byt_dev[] = {
  52         {
  53                 .name = "crystal_cove_pwrsrc",
  54                 .num_resources = ARRAY_SIZE(pwrsrc_resources),
  55                 .resources = pwrsrc_resources,
  56         },
  57         {
  58                 .name = "crystal_cove_adc",
  59                 .num_resources = ARRAY_SIZE(adc_resources),
  60                 .resources = adc_resources,
  61         },
  62         {
  63                 .name = "crystal_cove_thermal",
  64                 .num_resources = ARRAY_SIZE(thermal_resources),
  65                 .resources = thermal_resources,
  66         },
  67         {
  68                 .name = "crystal_cove_bcu",
  69                 .num_resources = ARRAY_SIZE(bcu_resources),
  70                 .resources = bcu_resources,
  71         },
  72         {
  73                 .name = "crystal_cove_gpio",
  74                 .num_resources = ARRAY_SIZE(gpio_resources),
  75                 .resources = gpio_resources,
  76         },
  77         {
  78                 .name = "crystal_cove_pmic",
  79         },
  80         {
  81                 .name = "crystal_cove_pwm",
  82         },
  83 };
  84 
  85 static struct mfd_cell crystal_cove_cht_dev[] = {
  86         {
  87                 .name = "crystal_cove_gpio",
  88                 .num_resources = ARRAY_SIZE(gpio_resources),
  89                 .resources = gpio_resources,
  90         },
  91         {
  92                 .name = "crystal_cove_pwm",
  93         },
  94 };
  95 
  96 static const struct regmap_config crystal_cove_regmap_config = {
  97         .reg_bits = 8,
  98         .val_bits = 8,
  99 
 100         .max_register = CRYSTAL_COVE_MAX_REGISTER,
 101         .cache_type = REGCACHE_NONE,
 102 };
 103 
 104 static const struct regmap_irq crystal_cove_irqs[] = {
 105         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_PWRSRC, 0, BIT(CRYSTAL_COVE_IRQ_PWRSRC)),
 106         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_THRM, 0, BIT(CRYSTAL_COVE_IRQ_THRM)),
 107         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_BCU, 0, BIT(CRYSTAL_COVE_IRQ_BCU)),
 108         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_ADC, 0, BIT(CRYSTAL_COVE_IRQ_ADC)),
 109         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_CHGR, 0, BIT(CRYSTAL_COVE_IRQ_CHGR)),
 110         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_GPIO, 0, BIT(CRYSTAL_COVE_IRQ_GPIO)),
 111         REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_VHDMIOCP, 0, BIT(CRYSTAL_COVE_IRQ_VHDMIOCP)),
 112 };
 113 
 114 static const struct regmap_irq_chip crystal_cove_irq_chip = {
 115         .name = "Crystal Cove",
 116         .irqs = crystal_cove_irqs,
 117         .num_irqs = ARRAY_SIZE(crystal_cove_irqs),
 118         .num_regs = 1,
 119         .status_base = CRYSTAL_COVE_REG_IRQLVL1,
 120         .mask_base = CRYSTAL_COVE_REG_MIRQLVL1,
 121 };
 122 
 123 struct intel_soc_pmic_config intel_soc_pmic_config_byt_crc = {
 124         .irq_flags = IRQF_TRIGGER_RISING,
 125         .cell_dev = crystal_cove_byt_dev,
 126         .n_cell_devs = ARRAY_SIZE(crystal_cove_byt_dev),
 127         .regmap_config = &crystal_cove_regmap_config,
 128         .irq_chip = &crystal_cove_irq_chip,
 129 };
 130 
 131 struct intel_soc_pmic_config intel_soc_pmic_config_cht_crc = {
 132         .irq_flags = IRQF_TRIGGER_RISING,
 133         .cell_dev = crystal_cove_cht_dev,
 134         .n_cell_devs = ARRAY_SIZE(crystal_cove_cht_dev),
 135         .regmap_config = &crystal_cove_regmap_config,
 136         .irq_chip = &crystal_cove_irq_chip,
 137 };