diff options
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/ioc3.c | 1 | ||||
-rw-r--r-- | drivers/mfd/mt6358-irq.c | 89 | ||||
-rw-r--r-- | drivers/mfd/mt6397-core.c | 24 |
3 files changed, 87 insertions, 27 deletions
diff --git a/drivers/mfd/ioc3.c b/drivers/mfd/ioc3.c index c73ec78f255b..99b9c113f964 100644 --- a/drivers/mfd/ioc3.c +++ b/drivers/mfd/ioc3.c @@ -14,6 +14,7 @@ #include <linux/delay.h> #include <linux/errno.h> #include <linux/interrupt.h> +#include <linux/irqdomain.h> #include <linux/mfd/core.h> #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c index db734f2831ff..83f3ffbdbb4c 100644 --- a/drivers/mfd/mt6358-irq.c +++ b/drivers/mfd/mt6358-irq.c @@ -5,6 +5,8 @@ #include <linux/interrupt.h> #include <linux/mfd/mt6358/core.h> #include <linux/mfd/mt6358/registers.h> +#include <linux/mfd/mt6359/core.h> +#include <linux/mfd/mt6359/registers.h> #include <linux/mfd/mt6397/core.h> #include <linux/module.h> #include <linux/of.h> @@ -13,7 +15,9 @@ #include <linux/platform_device.h> #include <linux/regmap.h> -static struct irq_top_t mt6358_ints[] = { +#define MTK_PMIC_REG_WIDTH 16 + +static const struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(BUCK), MT6358_TOP_GEN(LDO), MT6358_TOP_GEN(PSC), @@ -24,6 +28,31 @@ static struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(MISC), }; +static const struct irq_top_t mt6359_ints[] = { + MT6359_TOP_GEN(BUCK), + MT6359_TOP_GEN(LDO), + MT6359_TOP_GEN(PSC), + MT6359_TOP_GEN(SCK), + MT6359_TOP_GEN(BM), + MT6359_TOP_GEN(HK), + MT6359_TOP_GEN(AUD), + MT6359_TOP_GEN(MISC), +}; + +static struct pmic_irq_data mt6358_irqd = { + .num_top = ARRAY_SIZE(mt6358_ints), + .num_pmic_irqs = MT6358_IRQ_NR, + .top_int_status_reg = MT6358_TOP_INT_STATUS0, + .pmic_ints = mt6358_ints, +}; + +static struct pmic_irq_data mt6359_irqd = { + .num_top = ARRAY_SIZE(mt6359_ints), + .num_pmic_irqs = MT6359_IRQ_NR, + .top_int_status_reg = MT6359_TOP_INT_STATUS0, + .pmic_ints = mt6359_ints, +}; + static void pmic_irq_enable(struct irq_data *data) { unsigned int hwirq = irqd_to_hwirq(data); @@ -62,15 +91,15 @@ static void pmic_irq_sync_unlock(struct irq_data *data) /* Find out the IRQ group */ top_gp = 0; while ((top_gp + 1) < irqd->num_top && - i >= mt6358_ints[top_gp + 1].hwirq_base) + i >= irqd->pmic_ints[top_gp + 1].hwirq_base) top_gp++; /* Find the IRQ registers */ - gp_offset = i - mt6358_ints[top_gp].hwirq_base; - int_regs = gp_offset / MT6358_REG_WIDTH; - shift = gp_offset % MT6358_REG_WIDTH; - en_reg = mt6358_ints[top_gp].en_reg + - (mt6358_ints[top_gp].en_reg_shift * int_regs); + gp_offset = i - irqd->pmic_ints[top_gp].hwirq_base; + int_regs = gp_offset / MTK_PMIC_REG_WIDTH; + shift = gp_offset % MTK_PMIC_REG_WIDTH; + en_reg = irqd->pmic_ints[top_gp].en_reg + + (irqd->pmic_ints[top_gp].en_reg_shift * int_regs); regmap_update_bits(chip->regmap, en_reg, BIT(shift), irqd->enable_hwirq[i] << shift); @@ -95,10 +124,11 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, unsigned int irq_status, sta_reg, status; unsigned int hwirq, virq; int i, j, ret; + struct pmic_irq_data *irqd = chip->irq_data; - 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; + for (i = 0; i < irqd->pmic_ints[top_gp].num_int_regs; i++) { + sta_reg = irqd->pmic_ints[top_gp].sta_reg + + irqd->pmic_ints[top_gp].sta_reg_shift * i; ret = regmap_read(chip->regmap, sta_reg, &irq_status); if (ret) { @@ -114,8 +144,8 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, do { j = __ffs(status); - hwirq = mt6358_ints[top_gp].hwirq_base + - MT6358_REG_WIDTH * i + j; + hwirq = irqd->pmic_ints[top_gp].hwirq_base + + MTK_PMIC_REG_WIDTH * i + j; virq = irq_find_mapping(chip->irq_domain, hwirq); if (virq) @@ -131,12 +161,12 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, 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; + struct pmic_irq_data *irqd = chip->irq_data; unsigned int bit, i, top_irq_status = 0; int ret; ret = regmap_read(chip->regmap, - mt6358_irq_data->top_int_status_reg, + irqd->top_int_status_reg, &top_irq_status); if (ret) { dev_err(chip->dev, @@ -144,8 +174,8 @@ static irqreturn_t mt6358_irq_handler(int irq, void *data) return IRQ_NONE; } - for (i = 0; i < mt6358_irq_data->num_top; i++) { - bit = BIT(mt6358_ints[i].top_offset); + for (i = 0; i < irqd->num_top; i++) { + bit = BIT(irqd->pmic_ints[i].top_offset); if (top_irq_status & bit) { mt6358_irq_sp_handler(chip, i); top_irq_status &= ~bit; @@ -180,17 +210,22 @@ int mt6358_irq_init(struct mt6397_chip *chip) int i, j, ret; struct pmic_irq_data *irqd; - irqd = devm_kzalloc(chip->dev, sizeof(*irqd), GFP_KERNEL); - if (!irqd) - return -ENOMEM; + switch (chip->chip_id) { + case MT6358_CHIP_ID: + chip->irq_data = &mt6358_irqd; + break; - chip->irq_data = irqd; + case MT6359_CHIP_ID: + chip->irq_data = &mt6359_irqd; + break; - 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); + default: + dev_err(chip->dev, "unsupported chip: 0x%x\n", chip->chip_id); + return -ENODEV; + } + mutex_init(&chip->irqlock); + irqd = chip->irq_data; irqd->enable_hwirq = devm_kcalloc(chip->dev, irqd->num_pmic_irqs, sizeof(*irqd->enable_hwirq), @@ -207,10 +242,10 @@ int mt6358_irq_init(struct mt6397_chip *chip) /* Disable all interrupts for initializing */ for (i = 0; i < irqd->num_top; i++) { - for (j = 0; j < mt6358_ints[i].num_int_regs; j++) + for (j = 0; j < irqd->pmic_ints[i].num_int_regs; j++) regmap_write(chip->regmap, - mt6358_ints[i].en_reg + - mt6358_ints[i].en_reg_shift * j, 0); + irqd->pmic_ints[i].en_reg + + irqd->pmic_ints[i].en_reg_shift * j, 0); } chip->irq_domain = irq_domain_add_linear(chip->dev->of_node, diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c index 7518d74c3b4c..9a615f75fbde 100644 --- a/drivers/mfd/mt6397-core.c +++ b/drivers/mfd/mt6397-core.c @@ -13,9 +13,11 @@ #include <linux/mfd/core.h> #include <linux/mfd/mt6323/core.h> #include <linux/mfd/mt6358/core.h> +#include <linux/mfd/mt6359/core.h> #include <linux/mfd/mt6397/core.h> #include <linux/mfd/mt6323/registers.h> #include <linux/mfd/mt6358/registers.h> +#include <linux/mfd/mt6359/registers.h> #include <linux/mfd/mt6397/registers.h> #define MT6323_RTC_BASE 0x8000 @@ -99,6 +101,17 @@ static const struct mfd_cell mt6358_devs[] = { }, }; +static const struct mfd_cell mt6359_devs[] = { + { .name = "mt6359-regulator", }, + { + .name = "mt6359-rtc", + .num_resources = ARRAY_SIZE(mt6358_rtc_resources), + .resources = mt6358_rtc_resources, + .of_compatible = "mediatek,mt6358-rtc", + }, + { .name = "mt6359-sound", }, +}; + static const struct mfd_cell mt6397_devs[] = { { .name = "mt6397-rtc", @@ -149,6 +162,14 @@ static const struct chip_data mt6358_core = { .irq_init = mt6358_irq_init, }; +static const struct chip_data mt6359_core = { + .cid_addr = MT6359_SWCID, + .cid_shift = 8, + .cells = mt6359_devs, + .cell_size = ARRAY_SIZE(mt6359_devs), + .irq_init = mt6358_irq_init, +}; + static const struct chip_data mt6397_core = { .cid_addr = MT6397_CID, .cid_shift = 0, @@ -219,6 +240,9 @@ static const struct of_device_id mt6397_of_match[] = { .compatible = "mediatek,mt6358", .data = &mt6358_core, }, { + .compatible = "mediatek,mt6359", + .data = &mt6359_core, + }, { .compatible = "mediatek,mt6397", .data = &mt6397_core, }, { |