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Message-ID: <1581386737.6723.1.camel@mtksdaap41>
Date: Tue, 11 Feb 2020 10:05:37 +0800
From: Hsin-hsiung Wang <hsin-hsiung.wang@...iatek.com>
To: Nicolas Boichat <drinkcat@...omium.org>
CC: Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Mark Rutland <mark.rutland@....com>,
Eddie Huang <eddie.huang@...iatek.com>,
Sean Wang <sean.wang@...iatek.com>,
"Alessandro Zummo" <a.zummo@...ertech.it>,
Richard Fontana <rfontana@...hat.com>,
"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
Josef Friedl <josef.friedl@...ed.at>,
Thomas Gleixner <tglx@...utronix.de>,
Ran Bi <ran.bi@...iatek.com>,
Frank Wunderlich <frank-w@...lic-files.de>,
Devicetree List <devicetree@...r.kernel.org>,
linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>,
lkml <linux-kernel@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
srv_heupstream <srv_heupstream@...iatek.com>
Subject: Re: [PATCH v8 3/5] mfd: Add support for the MediaTek MT6358 PMIC
Hi,
On Mon, 2020-02-10 at 14:55 +0800, Nicolas Boichat wrote:
> One nit and 2 small algorithmic improvements to reduce time servicing
> interrupts.
>
Thanks for your comments.
I will update it in the next version.
> On Mon, Feb 3, 2020 at 7:41 PM Hsin-Hsiung Wang
> <hsin-hsiung.wang@...iatek.com> wrote:
> >
> > 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.wang@...iatek.com>
> > ---
> > drivers/mfd/Makefile | 2 +-
> > drivers/mfd/mt6358-irq.c | 230 ++++++++++++++++++++++++++++
> > drivers/mfd/mt6397-core.c | 55 ++++++-
> > 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(+), 5 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 aed99f0..791a8f4 100644
> > --- a/drivers/mfd/Makefile
> > +++ b/drivers/mfd/Makefile
> > @@ -237,7 +237,7 @@ 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_INTEL_SOC_PMIC_MRFLD) += intel_soc_pmic_mrfld.o
> >
> > diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c
> > new file mode 100644
> > index 0000000..1682a3a9
> > --- /dev/null
> > +++ b/drivers/mfd/mt6358-irq.c
> > @@ -0,0 +1,230 @@
> > +// 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;
> > +
> > + /* Find out the IRQ group */
> > + top_gp = 0;
> > + while ((top_gp + 1) < irqd->num_top &&
> > + i >= mt6358_ints[top_gp + 1].hwirq_base)
> > + top_gp++;
> > +
> > + /* Find the irq registers */
> > + 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;
>
>
> nit: would it be nicer to use a temp variable and reorder a bit?
>
> gp_offset = i - mt6358_ints[top_gp].hwirq_base;
> int_regs = gp_offset / MT6358_REG_WIDTH;
> shift = gp_offset % MT6358_REG_WIDTH;
> en_reg = ...;
>
> > +
> > + 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, ret=%d\n", ret);
> > + return;
> > + }
> > +
> > + if (!irq_status)
> > + continue;
> > +
> > + for (j = 0; j < MT6358_REG_WIDTH; j++) {
> > + if (irq_status & BIT(j) == 0)
> > + continue;
>
> You can simplify this a bit by using __ffs instead, so that you don't
> need to go through this look 16 times even if a single bit is set:
> Nice example here:
> https://elixir.bootlin.com/linux/latest/source/drivers/irqchip/irq-ts4800.c#L81
>
> status = irq_status;
> do {
> j = __ffs(status);
>
> <rest of the code>
>
> status &= ~BIT(j);
> } while(status);
>
> > + 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,
> > + "Failed to read status from the device, 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);
>
> This one is harder to convert to __ffs, but you can still do this:
>
> for (i = 0; i < mt6358_irq_data->num_top; i++) {
> bit = BIT(mt6358_ints[i].top_offset);
> if (top_irq_status & bit) {
> mt6358_irq_sp_handler(chip, i);
> top_irq_status &= ~bit;
> if (!top_irq_status)
> break;
> }
> }
>
> > + }
> > +
> > + 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(*irqd->enable_hwirq),
> > + GFP_KERNEL);
> > + if (!irqd->enable_hwirq)
> > + return -ENOMEM;
> > +
> > + irqd->cache_hwirq = devm_kcalloc(chip->dev,
> > + irqd->num_pmic_irqs,
> > + sizeof(*irqd->cache_hwirq),
> > + GFP_KERNEL);
> > + if (!irqd->cache_hwirq)
> > + return -ENOMEM;
> > +
> > + /* Disable all interrupts 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, ret=%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 d2e70d8..b4ad1f8 100644
> > --- a/drivers/mfd/mt6397-core.c
> > +++ b/drivers/mfd/mt6397-core.c
> > @@ -12,13 +12,18 @@
> > #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 MT6323_RTC_BASE 0x8000
> > #define MT6323_RTC_SIZE 0x40
> >
> > +#define MT6358_RTC_BASE 0x0588
> > +#define MT6358_RTC_SIZE 0x3c
> > +
> > #define MT6397_RTC_BASE 0xe000
> > #define MT6397_RTC_SIZE 0x3e
> >
> > @@ -30,6 +35,11 @@ static const struct resource mt6323_rtc_resources[] = {
> > DEFINE_RES_IRQ(MT6323_IRQ_STATUS_RTC),
> > };
> >
> > +static const struct resource mt6358_rtc_resources[] = {
> > + DEFINE_RES_MEM(MT6358_RTC_BASE, MT6358_RTC_SIZE),
> > + DEFINE_RES_IRQ(MT6358_IRQ_RTC),
> > +};
> > +
> > static const struct resource mt6397_rtc_resources[] = {
> > DEFINE_RES_MEM(MT6397_RTC_BASE, MT6397_RTC_SIZE),
> > DEFINE_RES_IRQ(MT6397_IRQ_RTC),
> > @@ -74,6 +84,21 @@ static const struct mfd_cell mt6323_devs[] = {
> > },
> > };
> >
> > +static const struct mfd_cell mt6358_devs[] = {
> > + {
> > + .name = "mt6358-regulator",
> > + .of_compatible = "mediatek,mt6358-regulator"
> > + }, {
> > + .name = "mt6358-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",
> > @@ -110,6 +135,11 @@ 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,
> > @@ -154,19 +184,33 @@ static int mt6397_probe(struct platform_device *pdev)
> > if (pmic->irq <= 0)
> > return pmic->irq;
> >
> > - ret = mt6397_irq_init(pmic);
> > - if (ret)
> > - return ret;
> > -
> > switch (pmic->chip_id) {
> > case MT6323_CHIP_ID:
> > + ret = mt6397_irq_init(pmic);
> > + if (ret)
> > + return ret;
> > +
> > ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
> > mt6323_devs, ARRAY_SIZE(mt6323_devs),
> > NULL, 0, pmic->irq_domain);
> > break;
> >
> > + case MT6358_CHIP_ID:
> > + ret = mt6358_irq_init(pmic);
> > + if (ret)
> > + return ret;
> > +
> > + ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
> > + mt6358_devs, ARRAY_SIZE(mt6358_devs),
> > + NULL, 0, pmic->irq_domain);
> > + break;
> > +
> > case MT6391_CHIP_ID:
> > case MT6397_CHIP_ID:
> > + ret = mt6397_irq_init(pmic);
> > + if (ret)
> > + return ret;
> > +
> > ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
> > mt6397_devs, ARRAY_SIZE(mt6397_devs),
> > NULL, 0, pmic->irq_domain);
> > @@ -190,6 +234,9 @@ 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..a304aae
> > --- /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 b81d333..9492685 100644
> > --- a/include/linux/mfd/mt6397/core.h
> > +++ b/include/linux/mfd/mt6397/core.h
> > @@ -12,6 +12,7 @@
> >
> > enum chip_id {
> > MT6323_CHIP_ID = 0x23,
> > + MT6358_CHIP_ID = 0x58,
> > MT6391_CHIP_ID = 0x91,
> > MT6397_CHIP_ID = 0x97,
> > };
> > @@ -65,8 +66,10 @@ 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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