diff options
| author | Bin Gao <bin.gao@linux.intel.com> | 2016-07-20 17:33:56 -0700 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2016-10-04 15:48:02 +0100 |
| commit | 9c6235c8633210cc2da0882e2e9d6ff90aa37503 (patch) | |
| tree | 91431924b0aadc4c9fcef8314bc6f79d35470671 /drivers/mfd | |
| parent | 77fc5ff64f1834976abbf499b2adc95a4589ea86 (diff) | |
mfd: intel_soc_pmic_bxtwc: Add bxt_wcove_usbc device
The Intel Whiskey Cove PMIC includes several function units, e.g.
ADC, thermal, USB Type-C, GPIO, etc. The corresponding device has
to be created in the mfd driver(intel_soc_pmic_bxtwc.c). This change
adds the USB Type-c device.
Signed-off-by: Bin Gao <bin.gao@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/intel_soc_pmic_bxtwc.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c index b9428767e615..43e54b7e908f 100644 --- a/drivers/mfd/intel_soc_pmic_bxtwc.c +++ b/drivers/mfd/intel_soc_pmic_bxtwc.c @@ -47,6 +47,8 @@ #define BXTWC_MIRQLVL1 0x4E0E #define BXTWC_MPWRTNIRQ 0x4E0F +#define BXTWC_MIRQLVL1_MCHGR BIT(5) + #define BXTWC_MTHRM0IRQ 0x4E12 #define BXTWC_MTHRM1IRQ 0x4E13 #define BXTWC_MTHRM2IRQ 0x4E14 @@ -109,7 +111,7 @@ static const struct regmap_irq bxtwc_regmap_irqs_level2[] = { REGMAP_IRQ_REG(BXTWC_THRM2_IRQ, 2, 0xff), REGMAP_IRQ_REG(BXTWC_BCU_IRQ, 3, 0x1f), REGMAP_IRQ_REG(BXTWC_ADC_IRQ, 4, 0xff), - REGMAP_IRQ_REG(BXTWC_CHGR0_IRQ, 5, 0x1f), + REGMAP_IRQ_REG(BXTWC_CHGR0_IRQ, 5, 0x3f), REGMAP_IRQ_REG(BXTWC_CHGR1_IRQ, 6, 0x1f), REGMAP_IRQ_REG(BXTWC_GPIO0_IRQ, 7, 0xff), REGMAP_IRQ_REG(BXTWC_GPIO1_IRQ, 8, 0x3f), @@ -143,6 +145,10 @@ static struct resource adc_resources[] = { DEFINE_RES_IRQ_NAMED(BXTWC_ADC_IRQ, "ADC"), }; +static struct resource usbc_resources[] = { + DEFINE_RES_IRQ_NAMED(BXTWC_CHGR0_IRQ, "USBC"), +}; + static struct resource charger_resources[] = { DEFINE_RES_IRQ_NAMED(BXTWC_CHGR0_IRQ, "CHARGER"), DEFINE_RES_IRQ_NAMED(BXTWC_CHGR1_IRQ, "CHARGER1"), @@ -170,6 +176,11 @@ static struct mfd_cell bxt_wc_dev[] = { .resources = thermal_resources, }, { + .name = "bxt_wcove_usbc", + .num_resources = ARRAY_SIZE(usbc_resources), + .resources = usbc_resources, + }, + { .name = "bxt_wcove_ext_charger", .num_resources = ARRAY_SIZE(charger_resources), .resources = charger_resources, @@ -403,6 +414,16 @@ static int bxtwc_probe(struct platform_device *pdev) goto err_sysfs; } + /* + * There is known hw bug. Upon reset BIT 5 of register + * BXTWC_CHGR_LVL1_IRQ is 0 which is the expected value. However, + * later it's set to 1(masked) automatically by hardware. So we + * have the software workaround here to unmaksed it in order to let + * charger interrutp work. + */ + regmap_update_bits(pmic->regmap, BXTWC_MIRQLVL1, + BXTWC_MIRQLVL1_MCHGR, 0); + return 0; err_sysfs: |