This adds support for the MediaTek MT6358 PMIC. This is a
multifunction device with the following sub modules:

- Regulator
- RTC
- Codec
- Interrupt

It is interfaced to the host controller using SPI interface
by a proprietary hardware called PMIC wrapper or pwrap.
MT6358 MFD is a child device of the pwrap.

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.w...@mediatek.com>
---
 drivers/mfd/Makefile                 |   3 +-
 drivers/mfd/mt6358-irq.c             | 229 ++++++++++++++++++++++++++++
 drivers/mfd/mt6397-core.c            |  52 ++++++-
 include/linux/mfd/mt6358/core.h      | 158 ++++++++++++++++++++
 include/linux/mfd/mt6358/registers.h | 282 +++++++++++++++++++++++++++++++++++
 include/linux/mfd/mt6397/core.h      |   3 +
 6 files changed, 725 insertions(+), 2 deletions(-)
 create mode 100644 drivers/mfd/mt6358-irq.c
 create mode 100644 include/linux/mfd/mt6358/core.h
 create mode 100644 include/linux/mfd/mt6358/registers.h

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 9a96325..36d088b 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -241,7 +241,8 @@ obj-$(CONFIG_INTEL_SOC_PMIC)        += intel-soc-pmic.o
 obj-$(CONFIG_INTEL_SOC_PMIC_BXTWC)     += intel_soc_pmic_bxtwc.o
 obj-$(CONFIG_INTEL_SOC_PMIC_CHTWC)     += intel_soc_pmic_chtwc.o
 obj-$(CONFIG_INTEL_SOC_PMIC_CHTDC_TI)  += intel_soc_pmic_chtdc_ti.o
-mt6397-objs    := mt6397-core.o mt6397-irq.o
+
+mt6397-objs                    := mt6397-core.o mt6397-irq.o mt6358-irq.o
 obj-$(CONFIG_MFD_MT6397)       += mt6397.o
 
 obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o
diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c
new file mode 100644
index 0000000..2f55079
--- /dev/null
+++ b/drivers/mfd/mt6358-irq.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2019 MediaTek Inc.
+
+#include <linux/interrupt.h>
+#include <linux/mfd/mt6358/core.h>
+#include <linux/mfd/mt6358/registers.h>
+#include <linux/mfd/mt6397/core.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+static struct irq_top_t mt6358_ints[] = {
+       MT6358_TOP_GEN(BUCK),
+       MT6358_TOP_GEN(LDO),
+       MT6358_TOP_GEN(PSC),
+       MT6358_TOP_GEN(SCK),
+       MT6358_TOP_GEN(BM),
+       MT6358_TOP_GEN(HK),
+       MT6358_TOP_GEN(AUD),
+       MT6358_TOP_GEN(MISC),
+};
+
+static void pmic_irq_enable(struct irq_data *data)
+{
+       unsigned int hwirq = irqd_to_hwirq(data);
+       struct mt6397_chip *chip = irq_data_get_irq_chip_data(data);
+       struct pmic_irq_data *irqd = chip->irq_data;
+
+       irqd->enable_hwirq[hwirq] = true;
+}
+
+static void pmic_irq_disable(struct irq_data *data)
+{
+       unsigned int hwirq = irqd_to_hwirq(data);
+       struct mt6397_chip *chip = irq_data_get_irq_chip_data(data);
+       struct pmic_irq_data *irqd = chip->irq_data;
+
+       irqd->enable_hwirq[hwirq] = false;
+}
+
+static void pmic_irq_lock(struct irq_data *data)
+{
+       struct mt6397_chip *chip = irq_data_get_irq_chip_data(data);
+
+       mutex_lock(&chip->irqlock);
+}
+
+static void pmic_irq_sync_unlock(struct irq_data *data)
+{
+       unsigned int i, top_gp, en_reg, int_regs, shift;
+       struct mt6397_chip *chip = irq_data_get_irq_chip_data(data);
+       struct pmic_irq_data *irqd = chip->irq_data;
+
+       for (i = 0; i < irqd->num_pmic_irqs; i++) {
+               if (irqd->enable_hwirq[i] == irqd->cache_hwirq[i])
+                       continue;
+
+               top_gp = 0;
+               while ((top_gp + 1) < ARRAY_SIZE(mt6358_ints) &&
+                      i >= mt6358_ints[top_gp + 1].hwirq_base)
+                       top_gp++;
+
+               if (top_gp >= ARRAY_SIZE(mt6358_ints)) {
+                       mutex_unlock(&chip->irqlock);
+                       dev_err(chip->dev,
+                               "Failed to get top_group: %d\n", top_gp);
+                       return;
+               }
+
+               int_regs = (i - mt6358_ints[top_gp].hwirq_base) /
+                           MT6358_REG_WIDTH;
+               en_reg = mt6358_ints[top_gp].en_reg +
+                       mt6358_ints[top_gp].en_reg_shift * int_regs;
+               shift = (i - mt6358_ints[top_gp].hwirq_base) % MT6358_REG_WIDTH;
+               regmap_update_bits(chip->regmap, en_reg, BIT(shift),
+                                  irqd->enable_hwirq[i] << shift);
+               irqd->cache_hwirq[i] = irqd->enable_hwirq[i];
+       }
+       mutex_unlock(&chip->irqlock);
+}
+
+static struct irq_chip mt6358_irq_chip = {
+       .name = "mt6358-irq",
+       .flags = IRQCHIP_SKIP_SET_WAKE,
+       .irq_enable = pmic_irq_enable,
+       .irq_disable = pmic_irq_disable,
+       .irq_bus_lock = pmic_irq_lock,
+       .irq_bus_sync_unlock = pmic_irq_sync_unlock,
+};
+
+static void mt6358_irq_sp_handler(struct mt6397_chip *chip,
+                                 unsigned int top_gp)
+{
+       unsigned int sta_reg, irq_status;
+       unsigned int hwirq, virq;
+       int ret, i, j;
+
+       for (i = 0; i < mt6358_ints[top_gp].num_int_regs; i++) {
+               sta_reg = mt6358_ints[top_gp].sta_reg +
+                       mt6358_ints[top_gp].sta_reg_shift * i;
+               ret = regmap_read(chip->regmap, sta_reg, &irq_status);
+               if (ret) {
+                       dev_err(chip->dev,
+                               "Failed to read irq status: %d\n", ret);
+                       return;
+               }
+
+               if (!irq_status)
+                       continue;
+
+               for (j = 0; j < MT6358_REG_WIDTH ; j++) {
+                       if ((irq_status & BIT(j)) == 0)
+                               continue;
+                       hwirq = mt6358_ints[top_gp].hwirq_base +
+                               MT6358_REG_WIDTH * i + j;
+                       virq = irq_find_mapping(chip->irq_domain, hwirq);
+                       if (virq)
+                               handle_nested_irq(virq);
+               }
+
+               regmap_write(chip->regmap, sta_reg, irq_status);
+       }
+}
+
+static irqreturn_t mt6358_irq_handler(int irq, void *data)
+{
+       struct mt6397_chip *chip = data;
+       struct pmic_irq_data *mt6358_irq_data = chip->irq_data;
+       unsigned int top_irq_status;
+       unsigned int i;
+       int ret;
+
+       ret = regmap_read(chip->regmap,
+                         mt6358_irq_data->top_int_status_reg,
+                         &top_irq_status);
+       if (ret) {
+               dev_err(chip->dev, "Can't read TOP_INT_STATUS ret=%d\n", ret);
+               return IRQ_NONE;
+       }
+
+       for (i = 0; i < mt6358_irq_data->num_top; i++) {
+               if (top_irq_status & BIT(mt6358_ints[i].top_offset))
+                       mt6358_irq_sp_handler(chip, i);
+       }
+
+       return IRQ_HANDLED;
+}
+
+static int pmic_irq_domain_map(struct irq_domain *d, unsigned int irq,
+                              irq_hw_number_t hw)
+{
+       struct mt6397_chip *mt6397 = d->host_data;
+
+       irq_set_chip_data(irq, mt6397);
+       irq_set_chip_and_handler(irq, &mt6358_irq_chip, handle_level_irq);
+       irq_set_nested_thread(irq, 1);
+       irq_set_noprobe(irq);
+
+       return 0;
+}
+
+static const struct irq_domain_ops mt6358_irq_domain_ops = {
+       .map = pmic_irq_domain_map,
+       .xlate = irq_domain_xlate_twocell,
+};
+
+int mt6358_irq_init(struct mt6397_chip *chip)
+{
+       int i, j, ret;
+       struct pmic_irq_data *irqd;
+
+       irqd = devm_kzalloc(chip->dev, sizeof(struct pmic_irq_data *),
+                           GFP_KERNEL);
+       if (!irqd)
+               return -ENOMEM;
+
+       chip->irq_data = irqd;
+
+       mutex_init(&chip->irqlock);
+       irqd->top_int_status_reg = MT6358_TOP_INT_STATUS0;
+       irqd->num_pmic_irqs = MT6358_IRQ_NR;
+       irqd->num_top = ARRAY_SIZE(mt6358_ints);
+
+       irqd->enable_hwirq = devm_kcalloc(chip->dev,
+                                         irqd->num_pmic_irqs,
+                                         sizeof(bool),
+                                         GFP_KERNEL);
+       if (!irqd->enable_hwirq)
+               return -ENOMEM;
+
+       irqd->cache_hwirq = devm_kcalloc(chip->dev,
+                                        irqd->num_pmic_irqs,
+                                        sizeof(bool),
+                                        GFP_KERNEL);
+       if (!irqd->cache_hwirq)
+               return -ENOMEM;
+
+       /* Disable all interrupt for initializing */
+       for (i = 0; i < irqd->num_top; i++) {
+               for (j = 0; j < mt6358_ints[i].num_int_regs; j++)
+                       regmap_write(chip->regmap,
+                                    mt6358_ints[i].en_reg +
+                                    mt6358_ints[i].en_reg_shift * j, 0);
+       }
+
+       chip->irq_domain = irq_domain_add_linear(chip->dev->of_node,
+                                                irqd->num_pmic_irqs,
+                                                &mt6358_irq_domain_ops, chip);
+       if (!chip->irq_domain) {
+               dev_err(chip->dev, "could not create irq domain\n");
+               return -ENODEV;
+       }
+
+       ret = devm_request_threaded_irq(chip->dev, chip->irq, NULL,
+                                       mt6358_irq_handler, IRQF_ONESHOT,
+                                       mt6358_irq_chip.name, chip);
+       if (ret) {
+               dev_err(chip->dev, "failed to register irq=%d; err: %d\n",
+                       chip->irq, ret);
+               return ret;
+       }
+
+       enable_irq_wake(chip->irq);
+       return ret;
+}
diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 8f94187..815d83c 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -10,13 +10,30 @@
 #include <linux/regmap.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/mt6323/core.h>
+#include <linux/mfd/mt6358/core.h>
 #include <linux/mfd/mt6397/core.h>
 #include <linux/mfd/mt6323/registers.h>
+#include <linux/mfd/mt6358/registers.h>
 #include <linux/mfd/mt6397/registers.h>
 
+#define MT6358_RTC_BASE                0x0588
+#define MT6358_RTC_SIZE                0x3c
 #define MT6397_RTC_BASE                0xe000
 #define MT6397_RTC_SIZE                0x3e
 
+static const struct resource mt6358_rtc_resources[] = {
+       {
+               .start = MT6358_RTC_BASE,
+               .end   = MT6358_RTC_BASE + MT6358_RTC_SIZE,
+               .flags = IORESOURCE_MEM,
+       },
+       {
+               .start = MT6358_IRQ_RTC,
+               .end   = MT6358_IRQ_RTC,
+               .flags = IORESOURCE_IRQ,
+       },
+};
+
 static const struct resource mt6397_rtc_resources[] = {
        {
                .start = MT6397_RTC_BASE,
@@ -55,6 +72,21 @@ static const struct mfd_cell mt6323_devs[] = {
        },
 };
 
+static const struct mfd_cell mt6358_devs[] = {
+       {
+               .name = "mt6358-regulator",
+               .of_compatible = "mediatek,mt6358-regulator"
+       }, {
+               .name = "mt6397-rtc",
+               .num_resources = ARRAY_SIZE(mt6358_rtc_resources),
+               .resources = mt6358_rtc_resources,
+               .of_compatible = "mediatek,mt6358-rtc",
+       }, {
+               .name = "mt6358-sound",
+               .of_compatible = "mediatek,mt6358-sound"
+       },
+};
+
 static const struct mfd_cell mt6397_devs[] = {
        {
                .name = "mt6397-rtc",
@@ -91,6 +123,11 @@ static const struct chip_data mt6323_core = {
        .cid_shift = 0,
 };
 
+static const struct chip_data mt6358_core = {
+       .cid_addr = MT6358_SWCID,
+       .cid_shift = 8,
+};
+
 static const struct chip_data mt6397_core = {
        .cid_addr = MT6397_CID,
        .cid_shift = 0,
@@ -135,7 +172,11 @@ static int mt6397_probe(struct platform_device *pdev)
        if (pmic->irq <= 0)
                return pmic->irq;
 
-       ret = mt6397_irq_init(pmic);
+       if (pmic->chip_id == MT6358_CHIP_ID)
+               ret = mt6358_irq_init(pmic);
+       else
+               ret = mt6397_irq_init(pmic);
+
        if (ret)
                return ret;
 
@@ -146,6 +187,12 @@ static int mt6397_probe(struct platform_device *pdev)
                                           0, pmic->irq_domain);
                break;
 
+       case MT6358_CHIP_ID:
+               ret = devm_mfd_add_devices(&pdev->dev, -1, mt6358_devs,
+                                          ARRAY_SIZE(mt6358_devs), NULL,
+                                          0, pmic->irq_domain);
+               break;
+
        case MT6391_CHIP_ID:
        case MT6397_CHIP_ID:
                ret = devm_mfd_add_devices(&pdev->dev, -1, mt6397_devs,
@@ -171,6 +218,9 @@ static const struct of_device_id mt6397_of_match[] = {
                .compatible = "mediatek,mt6323",
                .data = &mt6323_core,
        }, {
+               .compatible = "mediatek,mt6358",
+               .data = &mt6358_core,
+       }, {
                .compatible = "mediatek,mt6397",
                .data = &mt6397_core,
        }, {
diff --git a/include/linux/mfd/mt6358/core.h b/include/linux/mfd/mt6358/core.h
new file mode 100644
index 0000000..05108617
--- /dev/null
+++ b/include/linux/mfd/mt6358/core.h
@@ -0,0 +1,158 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#ifndef __MFD_MT6358_CORE_H__
+#define __MFD_MT6358_CORE_H__
+
+#define MT6358_REG_WIDTH 16
+
+struct irq_top_t {
+       int hwirq_base;
+       unsigned int num_int_regs;
+       unsigned int num_int_bits;
+       unsigned int en_reg;
+       unsigned int en_reg_shift;
+       unsigned int sta_reg;
+       unsigned int sta_reg_shift;
+       unsigned int top_offset;
+};
+
+struct pmic_irq_data {
+       unsigned int num_top;
+       unsigned int num_pmic_irqs;
+       unsigned short top_int_status_reg;
+       bool *enable_hwirq;
+       bool *cache_hwirq;
+};
+
+enum mt6358_irq_top_status_shift {
+       MT6358_BUCK_TOP = 0,
+       MT6358_LDO_TOP,
+       MT6358_PSC_TOP,
+       MT6358_SCK_TOP,
+       MT6358_BM_TOP,
+       MT6358_HK_TOP,
+       MT6358_AUD_TOP,
+       MT6358_MISC_TOP,
+};
+
+enum mt6358_irq_numbers {
+       MT6358_IRQ_VPROC11_OC = 0,
+       MT6358_IRQ_VPROC12_OC,
+       MT6358_IRQ_VCORE_OC,
+       MT6358_IRQ_VGPU_OC,
+       MT6358_IRQ_VMODEM_OC,
+       MT6358_IRQ_VDRAM1_OC,
+       MT6358_IRQ_VS1_OC,
+       MT6358_IRQ_VS2_OC,
+       MT6358_IRQ_VPA_OC,
+       MT6358_IRQ_VCORE_PREOC,
+       MT6358_IRQ_VFE28_OC = 16,
+       MT6358_IRQ_VXO22_OC,
+       MT6358_IRQ_VRF18_OC,
+       MT6358_IRQ_VRF12_OC,
+       MT6358_IRQ_VEFUSE_OC,
+       MT6358_IRQ_VCN33_OC,
+       MT6358_IRQ_VCN28_OC,
+       MT6358_IRQ_VCN18_OC,
+       MT6358_IRQ_VCAMA1_OC,
+       MT6358_IRQ_VCAMA2_OC,
+       MT6358_IRQ_VCAMD_OC,
+       MT6358_IRQ_VCAMIO_OC,
+       MT6358_IRQ_VLDO28_OC,
+       MT6358_IRQ_VA12_OC,
+       MT6358_IRQ_VAUX18_OC,
+       MT6358_IRQ_VAUD28_OC,
+       MT6358_IRQ_VIO28_OC,
+       MT6358_IRQ_VIO18_OC,
+       MT6358_IRQ_VSRAM_PROC11_OC,
+       MT6358_IRQ_VSRAM_PROC12_OC,
+       MT6358_IRQ_VSRAM_OTHERS_OC,
+       MT6358_IRQ_VSRAM_GPU_OC,
+       MT6358_IRQ_VDRAM2_OC,
+       MT6358_IRQ_VMC_OC,
+       MT6358_IRQ_VMCH_OC,
+       MT6358_IRQ_VEMC_OC,
+       MT6358_IRQ_VSIM1_OC,
+       MT6358_IRQ_VSIM2_OC,
+       MT6358_IRQ_VIBR_OC,
+       MT6358_IRQ_VUSB_OC,
+       MT6358_IRQ_VBIF28_OC,
+       MT6358_IRQ_PWRKEY = 48,
+       MT6358_IRQ_HOMEKEY,
+       MT6358_IRQ_PWRKEY_R,
+       MT6358_IRQ_HOMEKEY_R,
+       MT6358_IRQ_NI_LBAT_INT,
+       MT6358_IRQ_CHRDET,
+       MT6358_IRQ_CHRDET_EDGE,
+       MT6358_IRQ_VCDT_HV_DET,
+       MT6358_IRQ_RTC = 64,
+       MT6358_IRQ_FG_BAT0_H = 80,
+       MT6358_IRQ_FG_BAT0_L,
+       MT6358_IRQ_FG_CUR_H,
+       MT6358_IRQ_FG_CUR_L,
+       MT6358_IRQ_FG_ZCV,
+       MT6358_IRQ_FG_BAT1_H,
+       MT6358_IRQ_FG_BAT1_L,
+       MT6358_IRQ_FG_N_CHARGE_L,
+       MT6358_IRQ_FG_IAVG_H,
+       MT6358_IRQ_FG_IAVG_L,
+       MT6358_IRQ_FG_TIME_H,
+       MT6358_IRQ_FG_DISCHARGE,
+       MT6358_IRQ_FG_CHARGE,
+       MT6358_IRQ_BATON_LV = 96,
+       MT6358_IRQ_BATON_HT,
+       MT6358_IRQ_BATON_BAT_IN,
+       MT6358_IRQ_BATON_BAT_OUT,
+       MT6358_IRQ_BIF,
+       MT6358_IRQ_BAT_H = 112,
+       MT6358_IRQ_BAT_L,
+       MT6358_IRQ_BAT2_H,
+       MT6358_IRQ_BAT2_L,
+       MT6358_IRQ_BAT_TEMP_H,
+       MT6358_IRQ_BAT_TEMP_L,
+       MT6358_IRQ_AUXADC_IMP,
+       MT6358_IRQ_NAG_C_DLTV,
+       MT6358_IRQ_AUDIO = 128,
+       MT6358_IRQ_ACCDET = 133,
+       MT6358_IRQ_ACCDET_EINT0,
+       MT6358_IRQ_ACCDET_EINT1,
+       MT6358_IRQ_SPI_CMD_ALERT = 144,
+       MT6358_IRQ_NR,
+};
+
+#define MT6358_IRQ_BUCK_BASE MT6358_IRQ_VPROC11_OC
+#define MT6358_IRQ_LDO_BASE MT6358_IRQ_VFE28_OC
+#define MT6358_IRQ_PSC_BASE MT6358_IRQ_PWRKEY
+#define MT6358_IRQ_SCK_BASE MT6358_IRQ_RTC
+#define MT6358_IRQ_BM_BASE MT6358_IRQ_FG_BAT0_H
+#define MT6358_IRQ_HK_BASE MT6358_IRQ_BAT_H
+#define MT6358_IRQ_AUD_BASE MT6358_IRQ_AUDIO
+#define MT6358_IRQ_MISC_BASE MT6358_IRQ_SPI_CMD_ALERT
+
+#define MT6358_IRQ_BUCK_BITS (MT6358_IRQ_VCORE_PREOC - MT6358_IRQ_BUCK_BASE + 
1)
+#define MT6358_IRQ_LDO_BITS (MT6358_IRQ_VBIF28_OC - MT6358_IRQ_LDO_BASE + 1)
+#define MT6358_IRQ_PSC_BITS (MT6358_IRQ_VCDT_HV_DET - MT6358_IRQ_PSC_BASE + 1)
+#define MT6358_IRQ_SCK_BITS (MT6358_IRQ_RTC - MT6358_IRQ_SCK_BASE + 1)
+#define MT6358_IRQ_BM_BITS (MT6358_IRQ_BIF - MT6358_IRQ_BM_BASE + 1)
+#define MT6358_IRQ_HK_BITS (MT6358_IRQ_NAG_C_DLTV - MT6358_IRQ_HK_BASE + 1)
+#define MT6358_IRQ_AUD_BITS (MT6358_IRQ_ACCDET_EINT1 - MT6358_IRQ_AUD_BASE + 1)
+#define MT6358_IRQ_MISC_BITS   \
+       (MT6358_IRQ_SPI_CMD_ALERT - MT6358_IRQ_MISC_BASE + 1)
+
+#define MT6358_TOP_GEN(sp)     \
+{      \
+       .hwirq_base = MT6358_IRQ_##sp##_BASE,   \
+       .num_int_regs = \
+               ((MT6358_IRQ_##sp##_BITS - 1) / MT6358_REG_WIDTH) + 1,  \
+       .num_int_bits = MT6358_IRQ_##sp##_BITS, \
+       .en_reg = MT6358_##sp##_TOP_INT_CON0,           \
+       .en_reg_shift = 0x6,    \
+       .sta_reg = MT6358_##sp##_TOP_INT_STATUS0,               \
+       .sta_reg_shift = 0x2,   \
+       .top_offset = MT6358_##sp##_TOP,        \
+}
+
+#endif /* __MFD_MT6358_CORE_H__ */
diff --git a/include/linux/mfd/mt6358/registers.h 
b/include/linux/mfd/mt6358/registers.h
new file mode 100644
index 0000000..ff5645b
--- /dev/null
+++ b/include/linux/mfd/mt6358/registers.h
@@ -0,0 +1,282 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+
+#ifndef __MFD_MT6358_REGISTERS_H__
+#define __MFD_MT6358_REGISTERS_H__
+
+/* PMIC Registers */
+#define MT6358_SWCID                          0xa
+#define MT6358_MISC_TOP_INT_CON0              0x188
+#define MT6358_MISC_TOP_INT_STATUS0           0x194
+#define MT6358_TOP_INT_STATUS0                0x19e
+#define MT6358_SCK_TOP_INT_CON0               0x52e
+#define MT6358_SCK_TOP_INT_STATUS0            0x53a
+#define MT6358_EOSC_CALI_CON0                 0x540
+#define MT6358_EOSC_CALI_CON1                 0x542
+#define MT6358_RTC_MIX_CON0                   0x544
+#define MT6358_RTC_MIX_CON1                   0x546
+#define MT6358_RTC_MIX_CON2                   0x548
+#define MT6358_RTC_DSN_ID                     0x580
+#define MT6358_RTC_DSN_REV0                   0x582
+#define MT6358_RTC_DBI                        0x584
+#define MT6358_RTC_DXI                        0x586
+#define MT6358_RTC_BBPU                       0x588
+#define MT6358_RTC_IRQ_STA                    0x58a
+#define MT6358_RTC_IRQ_EN                     0x58c
+#define MT6358_RTC_CII_EN                     0x58e
+#define MT6358_RTC_AL_MASK                    0x590
+#define MT6358_RTC_TC_SEC                     0x592
+#define MT6358_RTC_TC_MIN                     0x594
+#define MT6358_RTC_TC_HOU                     0x596
+#define MT6358_RTC_TC_DOM                     0x598
+#define MT6358_RTC_TC_DOW                     0x59a
+#define MT6358_RTC_TC_MTH                     0x59c
+#define MT6358_RTC_TC_YEA                     0x59e
+#define MT6358_RTC_AL_SEC                     0x5a0
+#define MT6358_RTC_AL_MIN                     0x5a2
+#define MT6358_RTC_AL_HOU                     0x5a4
+#define MT6358_RTC_AL_DOM                     0x5a6
+#define MT6358_RTC_AL_DOW                     0x5a8
+#define MT6358_RTC_AL_MTH                     0x5aa
+#define MT6358_RTC_AL_YEA                     0x5ac
+#define MT6358_RTC_OSC32CON                   0x5ae
+#define MT6358_RTC_POWERKEY1                  0x5b0
+#define MT6358_RTC_POWERKEY2                  0x5b2
+#define MT6358_RTC_PDN1                       0x5b4
+#define MT6358_RTC_PDN2                       0x5b6
+#define MT6358_RTC_SPAR0                      0x5b8
+#define MT6358_RTC_SPAR1                      0x5ba
+#define MT6358_RTC_PROT                       0x5bc
+#define MT6358_RTC_DIFF                       0x5be
+#define MT6358_RTC_CALI                       0x5c0
+#define MT6358_RTC_WRTGR                      0x5c2
+#define MT6358_RTC_CON                        0x5c4
+#define MT6358_RTC_SEC_CTRL                   0x5c6
+#define MT6358_RTC_INT_CNT                    0x5c8
+#define MT6358_RTC_SEC_DAT0                   0x5ca
+#define MT6358_RTC_SEC_DAT1                   0x5cc
+#define MT6358_RTC_SEC_DAT2                   0x5ce
+#define MT6358_RTC_SEC_DSN_ID                 0x600
+#define MT6358_RTC_SEC_DSN_REV0               0x602
+#define MT6358_RTC_SEC_DBI                    0x604
+#define MT6358_RTC_SEC_DXI                    0x606
+#define MT6358_RTC_TC_SEC_SEC                 0x608
+#define MT6358_RTC_TC_MIN_SEC                 0x60a
+#define MT6358_RTC_TC_HOU_SEC                 0x60c
+#define MT6358_RTC_TC_DOM_SEC                 0x60e
+#define MT6358_RTC_TC_DOW_SEC                 0x610
+#define MT6358_RTC_TC_MTH_SEC                 0x612
+#define MT6358_RTC_TC_YEA_SEC                 0x614
+#define MT6358_RTC_SEC_CK_PDN                 0x616
+#define MT6358_RTC_SEC_WRTGR                  0x618
+#define MT6358_PSC_TOP_INT_CON0               0x910
+#define MT6358_PSC_TOP_INT_STATUS0            0x91c
+#define MT6358_BM_TOP_INT_CON0                0xc32
+#define MT6358_BM_TOP_INT_CON1                0xc38
+#define MT6358_BM_TOP_INT_STATUS0             0xc4a
+#define MT6358_BM_TOP_INT_STATUS1             0xc4c
+#define MT6358_HK_TOP_INT_CON0                0xf92
+#define MT6358_HK_TOP_INT_STATUS0             0xf9e
+#define MT6358_BUCK_TOP_INT_CON0              0x1318
+#define MT6358_BUCK_TOP_INT_STATUS0           0x1324
+#define MT6358_BUCK_VPROC11_CON0              0x1388
+#define MT6358_BUCK_VPROC11_DBG0              0x139e
+#define MT6358_BUCK_VPROC11_DBG1              0x13a0
+#define MT6358_BUCK_VPROC11_ELR0              0x13a6
+#define MT6358_BUCK_VPROC12_CON0              0x1408
+#define MT6358_BUCK_VPROC12_DBG0              0x141e
+#define MT6358_BUCK_VPROC12_DBG1              0x1420
+#define MT6358_BUCK_VPROC12_ELR0              0x1426
+#define MT6358_BUCK_VCORE_CON0                0x1488
+#define MT6358_BUCK_VCORE_DBG0                0x149e
+#define MT6358_BUCK_VCORE_DBG1                0x14a0
+#define MT6358_BUCK_VCORE_ELR0                0x14aa
+#define MT6358_BUCK_VGPU_CON0                 0x1508
+#define MT6358_BUCK_VGPU_DBG0                 0x151e
+#define MT6358_BUCK_VGPU_DBG1                 0x1520
+#define MT6358_BUCK_VGPU_ELR0                 0x1526
+#define MT6358_BUCK_VMODEM_CON0               0x1588
+#define MT6358_BUCK_VMODEM_DBG0               0x159e
+#define MT6358_BUCK_VMODEM_DBG1               0x15a0
+#define MT6358_BUCK_VMODEM_ELR0               0x15a6
+#define MT6358_BUCK_VDRAM1_CON0               0x1608
+#define MT6358_BUCK_VDRAM1_DBG0               0x161e
+#define MT6358_BUCK_VDRAM1_DBG1               0x1620
+#define MT6358_BUCK_VDRAM1_ELR0               0x1626
+#define MT6358_BUCK_VS1_CON0                  0x1688
+#define MT6358_BUCK_VS1_DBG0                  0x169e
+#define MT6358_BUCK_VS1_DBG1                  0x16a0
+#define MT6358_BUCK_VS1_ELR0                  0x16ae
+#define MT6358_BUCK_VS2_CON0                  0x1708
+#define MT6358_BUCK_VS2_DBG0                  0x171e
+#define MT6358_BUCK_VS2_DBG1                  0x1720
+#define MT6358_BUCK_VS2_ELR0                  0x172e
+#define MT6358_BUCK_VPA_CON0                  0x1788
+#define MT6358_BUCK_VPA_CON1                  0x178a
+#define MT6358_BUCK_VPA_ELR0                  MT6358_BUCK_VPA_CON1
+#define MT6358_BUCK_VPA_DBG0                  0x1792
+#define MT6358_BUCK_VPA_DBG1                  0x1794
+#define MT6358_VPROC_ANA_CON0                 0x180c
+#define MT6358_VCORE_VGPU_ANA_CON0            0x1828
+#define MT6358_VMODEM_ANA_CON0                0x1888
+#define MT6358_VDRAM1_ANA_CON0                0x1896
+#define MT6358_VS1_ANA_CON0                   0x18a2
+#define MT6358_VS2_ANA_CON0                   0x18ae
+#define MT6358_VPA_ANA_CON0                   0x18ba
+#define MT6358_LDO_TOP_INT_CON0               0x1a50
+#define MT6358_LDO_TOP_INT_CON1               0x1a56
+#define MT6358_LDO_TOP_INT_STATUS0            0x1a68
+#define MT6358_LDO_TOP_INT_STATUS1            0x1a6a
+#define MT6358_LDO_VXO22_CON0                 0x1a88
+#define MT6358_LDO_VXO22_CON1                 0x1a96
+#define MT6358_LDO_VA12_CON0                  0x1a9c
+#define MT6358_LDO_VA12_CON1                  0x1aaa
+#define MT6358_LDO_VAUX18_CON0                0x1ab0
+#define MT6358_LDO_VAUX18_CON1                0x1abe
+#define MT6358_LDO_VAUD28_CON0                0x1ac4
+#define MT6358_LDO_VAUD28_CON1                0x1ad2
+#define MT6358_LDO_VIO28_CON0                 0x1ad8
+#define MT6358_LDO_VIO28_CON1                 0x1ae6
+#define MT6358_LDO_VIO18_CON0                 0x1aec
+#define MT6358_LDO_VIO18_CON1                 0x1afa
+#define MT6358_LDO_VDRAM2_CON0                0x1b08
+#define MT6358_LDO_VDRAM2_CON1                0x1b16
+#define MT6358_LDO_VEMC_CON0                  0x1b1c
+#define MT6358_LDO_VEMC_CON1                  0x1b2a
+#define MT6358_LDO_VUSB_CON0_0                0x1b30
+#define MT6358_LDO_VUSB_CON1                  0x1b40
+#define MT6358_LDO_VSRAM_PROC11_CON0          0x1b46
+#define MT6358_LDO_VSRAM_PROC11_DBG0          0x1b60
+#define MT6358_LDO_VSRAM_PROC11_DBG1          0x1b62
+#define MT6358_LDO_VSRAM_PROC11_TRACKING_CON0 0x1b64
+#define MT6358_LDO_VSRAM_PROC11_TRACKING_CON1 0x1b66
+#define MT6358_LDO_VSRAM_PROC11_TRACKING_CON2 0x1b68
+#define MT6358_LDO_VSRAM_PROC11_TRACKING_CON3 0x1b6a
+#define MT6358_LDO_VSRAM_PROC12_TRACKING_CON0 0x1b6c
+#define MT6358_LDO_VSRAM_PROC12_TRACKING_CON1 0x1b6e
+#define MT6358_LDO_VSRAM_PROC12_TRACKING_CON2 0x1b70
+#define MT6358_LDO_VSRAM_PROC12_TRACKING_CON3 0x1b72
+#define MT6358_LDO_VSRAM_WAKEUP_CON0          0x1b74
+#define MT6358_LDO_GON1_ELR_NUM               0x1b76
+#define MT6358_LDO_VDRAM2_ELR0                0x1b78
+#define MT6358_LDO_VSRAM_PROC12_CON0          0x1b88
+#define MT6358_LDO_VSRAM_PROC12_DBG0          0x1ba2
+#define MT6358_LDO_VSRAM_PROC12_DBG1          0x1ba4
+#define MT6358_LDO_VSRAM_OTHERS_CON0          0x1ba6
+#define MT6358_LDO_VSRAM_OTHERS_DBG0          0x1bc0
+#define MT6358_LDO_VSRAM_OTHERS_DBG1          0x1bc2
+#define MT6358_LDO_VSRAM_GPU_CON0             0x1bc8
+#define MT6358_LDO_VSRAM_GPU_DBG0             0x1be2
+#define MT6358_LDO_VSRAM_GPU_DBG1             0x1be4
+#define MT6358_LDO_VSRAM_CON0                 0x1bee
+#define MT6358_LDO_VSRAM_CON1                 0x1bf0
+#define MT6358_LDO_VSRAM_CON2                 0x1bf2
+#define MT6358_LDO_VSRAM_CON3                 0x1bf4
+#define MT6358_LDO_VFE28_CON0                 0x1c08
+#define MT6358_LDO_VFE28_CON1                 0x1c16
+#define MT6358_LDO_VFE28_CON2                 0x1c18
+#define MT6358_LDO_VFE28_CON3                 0x1c1a
+#define MT6358_LDO_VRF18_CON0                 0x1c1c
+#define MT6358_LDO_VRF18_CON1                 0x1c2a
+#define MT6358_LDO_VRF18_CON2                 0x1c2c
+#define MT6358_LDO_VRF18_CON3                 0x1c2e
+#define MT6358_LDO_VRF12_CON0                 0x1c30
+#define MT6358_LDO_VRF12_CON1                 0x1c3e
+#define MT6358_LDO_VRF12_CON2                 0x1c40
+#define MT6358_LDO_VRF12_CON3                 0x1c42
+#define MT6358_LDO_VEFUSE_CON0                0x1c44
+#define MT6358_LDO_VEFUSE_CON1                0x1c52
+#define MT6358_LDO_VEFUSE_CON2                0x1c54
+#define MT6358_LDO_VEFUSE_CON3                0x1c56
+#define MT6358_LDO_VCN18_CON0                 0x1c58
+#define MT6358_LDO_VCN18_CON1                 0x1c66
+#define MT6358_LDO_VCN18_CON2                 0x1c68
+#define MT6358_LDO_VCN18_CON3                 0x1c6a
+#define MT6358_LDO_VCAMA1_CON0                0x1c6c
+#define MT6358_LDO_VCAMA1_CON1                0x1c7a
+#define MT6358_LDO_VCAMA1_CON2                0x1c7c
+#define MT6358_LDO_VCAMA1_CON3                0x1c7e
+#define MT6358_LDO_VCAMA2_CON0                0x1c88
+#define MT6358_LDO_VCAMA2_CON1                0x1c96
+#define MT6358_LDO_VCAMA2_CON2                0x1c98
+#define MT6358_LDO_VCAMA2_CON3                0x1c9a
+#define MT6358_LDO_VCAMD_CON0                 0x1c9c
+#define MT6358_LDO_VCAMD_CON1                 0x1caa
+#define MT6358_LDO_VCAMD_CON2                 0x1cac
+#define MT6358_LDO_VCAMD_CON3                 0x1cae
+#define MT6358_LDO_VCAMIO_CON0                0x1cb0
+#define MT6358_LDO_VCAMIO_CON1                0x1cbe
+#define MT6358_LDO_VCAMIO_CON2                0x1cc0
+#define MT6358_LDO_VCAMIO_CON3                0x1cc2
+#define MT6358_LDO_VMC_CON0                   0x1cc4
+#define MT6358_LDO_VMC_CON1                   0x1cd2
+#define MT6358_LDO_VMC_CON2                   0x1cd4
+#define MT6358_LDO_VMC_CON3                   0x1cd6
+#define MT6358_LDO_VMCH_CON0                  0x1cd8
+#define MT6358_LDO_VMCH_CON1                  0x1ce6
+#define MT6358_LDO_VMCH_CON2                  0x1ce8
+#define MT6358_LDO_VMCH_CON3                  0x1cea
+#define MT6358_LDO_VIBR_CON0                  0x1d08
+#define MT6358_LDO_VIBR_CON1                  0x1d16
+#define MT6358_LDO_VIBR_CON2                  0x1d18
+#define MT6358_LDO_VIBR_CON3                  0x1d1a
+#define MT6358_LDO_VCN33_CON0_0               0x1d1c
+#define MT6358_LDO_VCN33_CON0_1               0x1d2a
+#define MT6358_LDO_VCN33_CON1                 0x1d2c
+#define MT6358_LDO_VCN33_BT_CON1              MT6358_LDO_VCN33_CON1
+#define MT6358_LDO_VCN33_WIFI_CON1            MT6358_LDO_VCN33_CON1
+#define MT6358_LDO_VCN33_CON2                 0x1d2e
+#define MT6358_LDO_VCN33_CON3                 0x1d30
+#define MT6358_LDO_VLDO28_CON0_0              0x1d32
+#define MT6358_LDO_VLDO28_CON0_1              0x1d40
+#define MT6358_LDO_VLDO28_CON1                0x1d42
+#define MT6358_LDO_VLDO28_CON2                0x1d44
+#define MT6358_LDO_VLDO28_CON3                0x1d46
+#define MT6358_LDO_VSIM1_CON0                 0x1d48
+#define MT6358_LDO_VSIM1_CON1                 0x1d56
+#define MT6358_LDO_VSIM1_CON2                 0x1d58
+#define MT6358_LDO_VSIM1_CON3                 0x1d5a
+#define MT6358_LDO_VSIM2_CON0                 0x1d5c
+#define MT6358_LDO_VSIM2_CON1                 0x1d6a
+#define MT6358_LDO_VSIM2_CON2                 0x1d6c
+#define MT6358_LDO_VSIM2_CON3                 0x1d6e
+#define MT6358_LDO_VCN28_CON0                 0x1d88
+#define MT6358_LDO_VCN28_CON1                 0x1d96
+#define MT6358_LDO_VCN28_CON2                 0x1d98
+#define MT6358_LDO_VCN28_CON3                 0x1d9a
+#define MT6358_VRTC28_CON0                    0x1d9c
+#define MT6358_LDO_VBIF28_CON0                0x1d9e
+#define MT6358_LDO_VBIF28_CON1                0x1dac
+#define MT6358_LDO_VBIF28_CON2                0x1dae
+#define MT6358_LDO_VBIF28_CON3                0x1db0
+#define MT6358_VCAMA1_ANA_CON0                0x1e08
+#define MT6358_VCAMA2_ANA_CON0                0x1e0c
+#define MT6358_VCN33_ANA_CON0                 0x1e28
+#define MT6358_VSIM1_ANA_CON0                 0x1e2c
+#define MT6358_VSIM2_ANA_CON0                 0x1e30
+#define MT6358_VUSB_ANA_CON0                  0x1e34
+#define MT6358_VEMC_ANA_CON0                  0x1e38
+#define MT6358_VLDO28_ANA_CON0                0x1e3c
+#define MT6358_VIO28_ANA_CON0                 0x1e40
+#define MT6358_VIBR_ANA_CON0                  0x1e44
+#define MT6358_VMCH_ANA_CON0                  0x1e48
+#define MT6358_VMC_ANA_CON0                   0x1e4c
+#define MT6358_VRF18_ANA_CON0                 0x1e88
+#define MT6358_VCN18_ANA_CON0                 0x1e8c
+#define MT6358_VCAMIO_ANA_CON0                0x1e90
+#define MT6358_VIO18_ANA_CON0                 0x1e94
+#define MT6358_VEFUSE_ANA_CON0                0x1e98
+#define MT6358_VRF12_ANA_CON0                 0x1e9c
+#define MT6358_VSRAM_PROC11_ANA_CON0          0x1ea0
+#define MT6358_VSRAM_PROC12_ANA_CON0          0x1ea4
+#define MT6358_VSRAM_OTHERS_ANA_CON0          0x1ea6
+#define MT6358_VSRAM_GPU_ANA_CON0             0x1ea8
+#define MT6358_VDRAM2_ANA_CON0                0x1eaa
+#define MT6358_VCAMD_ANA_CON0                 0x1eae
+#define MT6358_VA12_ANA_CON0                  0x1eb2
+#define MT6358_AUD_TOP_INT_CON0               0x2228
+#define MT6358_AUD_TOP_INT_STATUS0            0x2234
+
+#endif /* __MFD_MT6358_REGISTERS_H__ */
diff --git a/include/linux/mfd/mt6397/core.h b/include/linux/mfd/mt6397/core.h
index 23e21da..cd73438 100644
--- a/include/linux/mfd/mt6397/core.h
+++ b/include/linux/mfd/mt6397/core.h
@@ -11,6 +11,7 @@
 
 enum chip_id {
        MT6323_CHIP_ID = 0x23,
+       MT6358_CHIP_ID = 0x58,
        MT6391_CHIP_ID = 0x91,
        MT6397_CHIP_ID = 0x97,
 };
@@ -64,8 +65,10 @@ struct mt6397_chip {
        u16 int_con[2];
        u16 int_status[2];
        u16 chip_id;
+       void *irq_data;
 };
 
+int mt6358_irq_init(struct mt6397_chip *chip);
 int mt6397_irq_init(struct mt6397_chip *chip);
 
 #endif /* __MFD_MT6397_CORE_H__ */
-- 
2.6.4

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