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authorBin Gao <bin.gao@linux.intel.com>2016-07-20 17:33:56 -0700
committerLee Jones <lee.jones@linaro.org>2016-10-04 15:48:02 +0100
commit9c6235c8633210cc2da0882e2e9d6ff90aa37503 (patch)
tree91431924b0aadc4c9fcef8314bc6f79d35470671 /drivers/mfd/intel_soc_pmic_bxtwc.c
parent77fc5ff64f1834976abbf499b2adc95a4589ea86 (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/intel_soc_pmic_bxtwc.c')
-rw-r--r--drivers/mfd/intel_soc_pmic_bxtwc.c23
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: