[PATCH v2 04/11] mfd: axp20x: support AXP803 variant

Icenowy Zheng
2017-04-07T18:34:34Z

AXP803 is a new PMIC chip produced by X-Powers, usually paired with A64
via RSB bus. The PMIC itself is like AXP288, but with RSB support and
dedicated VBUS and ACIN.

Add support for it in the axp20x mfd driver.

Currently only power key function is supported.

Signed-off-by: Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>
---
Changes in v2:
- Share regmap configs with AXP288.
- Place AXP803 bits before AXP806/809.

drivers/mfd/axp20x-rsb.c | 1 +
drivers/mfd/axp20x.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++
include/linux/mfd/axp20x.h | 40 ++++++++++++++++++++++-
3 files changed, 119 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/axp20x-rsb.c b/drivers/mfd/axp20x-rsb.c
index a732cb50bcff..fd5c7267b136 100644
--- a/drivers/mfd/axp20x-rsb.c
+++ b/drivers/mfd/axp20x-rsb.c
@@ -61,6 +61,7 @@ static int axp20x_rsb_remove(struct sunxi_rsb_device *rdev)

static const struct of_device_id axp20x_rsb_of_match[] = {
{ .compatible = "x-powers,axp223", .data = (void *)AXP223_ID },
+ { .compatible = "x-powers,axp803", .data = (void *)AXP803_ID },
{ .compatible = "x-powers,axp806", .data = (void *)AXP806_ID },
{ .compatible = "x-powers,axp809", .data = (void *)AXP809_ID },
{ },
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 5ba3b04cc9b1..2268a6a9aa2c 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -41,6 +41,7 @@ static const char * const axp20x_model_names[] = {
"AXP221",
"AXP223",
"AXP288",
+ "AXP803",
"AXP806",
"AXP809",
};
@@ -117,6 +118,7 @@ static const struct regmap_access_table axp22x_volatile_table = {
.n_yes_ranges = ARRAY_SIZE(axp22x_volatile_ranges),
};

+/* AXP288 ranges are shared with the AXP803, as they cover the same range */
static const struct regmap_range axp288_writeable_ranges[] = {
regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
@@ -264,6 +266,20 @@ static struct resource axp288_fuel_gauge_resources[] = {
},
};

+static struct resource axp803_pek_resources[] = {
+ {
+ .name = "PEK_DBR",
+ .start = AXP803_IRQ_PEK_RIS_EDGE,
+ .end = AXP803_IRQ_PEK_RIS_EDGE,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .name = "PEK_DBF",
+ .start = AXP803_IRQ_PEK_FAL_EDGE,
+ .end = AXP803_IRQ_PEK_FAL_EDGE,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct resource axp809_pek_resources[] = {
{
.name = "PEK_DBR",
@@ -457,6 +473,43 @@ static const struct regmap_irq axp288_regmap_irqs[] = {
INIT_REGMAP_IRQ(AXP288, BC_USB_CHNG, 5, 1),
};

+static const struct regmap_irq axp803_regmap_irqs[] = {
+ INIT_REGMAP_IRQ(AXP803, ACIN_OVER_V, 0, 7),
+ INIT_REGMAP_IRQ(AXP803, ACIN_PLUGIN, 0, 6),
+ INIT_REGMAP_IRQ(AXP803, ACIN_REMOVAL, 0, 5),
+ INIT_REGMAP_IRQ(AXP803, VBUS_OVER_V, 0, 4),
+ INIT_REGMAP_IRQ(AXP803, VBUS_PLUGIN, 0, 3),
+ INIT_REGMAP_IRQ(AXP803, VBUS_REMOVAL, 0, 2),
+ INIT_REGMAP_IRQ(AXP803, BATT_PLUGIN, 1, 7),
+ INIT_REGMAP_IRQ(AXP803, BATT_REMOVAL, 1, 6),
+ INIT_REGMAP_IRQ(AXP803, BATT_ENT_ACT_MODE, 1, 5),
+ INIT_REGMAP_IRQ(AXP803, BATT_EXIT_ACT_MODE, 1, 4),
+ INIT_REGMAP_IRQ(AXP803, CHARG, 1, 3),
+ INIT_REGMAP_IRQ(AXP803, CHARG_DONE, 1, 2),
+ INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH, 2, 7),
+ INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_HIGH_END, 2, 6),
+ INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW, 2, 5),
+ INIT_REGMAP_IRQ(AXP803, BATT_CHG_TEMP_LOW_END, 2, 4),
+ INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH, 2, 3),
+ INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_HIGH_END, 2, 2),
+ INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW, 2, 1),
+ INIT_REGMAP_IRQ(AXP803, BATT_ACT_TEMP_LOW_END, 2, 0),
+ INIT_REGMAP_IRQ(AXP803, DIE_TEMP_HIGH, 3, 7),
+ INIT_REGMAP_IRQ(AXP803, GPADC, 3, 2),
+ INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL1, 3, 1),
+ INIT_REGMAP_IRQ(AXP803, LOW_PWR_LVL2, 3, 0),
+ INIT_REGMAP_IRQ(AXP803, TIMER, 4, 7),
+ INIT_REGMAP_IRQ(AXP803, PEK_RIS_EDGE, 4, 6),
+ INIT_REGMAP_IRQ(AXP803, PEK_FAL_EDGE, 4, 5),
+ INIT_REGMAP_IRQ(AXP803, PEK_SHORT, 4, 4),
+ INIT_REGMAP_IRQ(AXP803, PEK_LONG, 4, 3),
+ INIT_REGMAP_IRQ(AXP803, PEK_OVER_OFF, 4, 2),
+ INIT_REGMAP_IRQ(AXP803, GPIO1_INPUT, 4, 1),
+ INIT_REGMAP_IRQ(AXP803, GPIO0_INPUT, 4, 0),
+ INIT_REGMAP_IRQ(AXP803, BC_USB_CHNG, 5, 1),
+ INIT_REGMAP_IRQ(AXP803, MV_CHNG, 5, 0),
+};
+
static const struct regmap_irq axp806_regmap_irqs[] = {
INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV1, 0, 0),
INIT_REGMAP_IRQ(AXP806, DIE_TEMP_HIGH_LV2, 0, 1),
@@ -557,6 +610,18 @@ static const struct regmap_irq_chip axp288_regmap_irq_chip = {

};

+static const struct regmap_irq_chip axp803_regmap_irq_chip = {
+ .name = "axp803",
+ .status_base = AXP20X_IRQ1_STATE,
+ .ack_base = AXP20X_IRQ1_STATE,
+ .mask_base = AXP20X_IRQ1_EN,
+ .mask_invert = true,
+ .init_ack_masked = true,
+ .irqs = axp803_regmap_irqs,
+ .num_irqs = ARRAY_SIZE(axp803_regmap_irqs),
+ .num_regs = 6,
+};
+
static const struct regmap_irq_chip axp806_regmap_irq_chip = {
.name = "axp806",
.status_base = AXP20X_IRQ1_STATE,
@@ -769,6 +834,14 @@ static struct mfd_cell axp288_cells[] = {
},
};

+static struct mfd_cell axp803_cells[] = {
+ {
+ .name = "axp20x-pek",
+ .num_resources = ARRAY_SIZE(axp803_pek_resources),
+ .resources = axp803_pek_resources,
+ }
+};
+
static struct mfd_cell axp806_cells[] = {
{
.id = 2,
@@ -855,6 +928,12 @@ int axp20x_match_device(struct axp20x_dev *axp20x)
axp20x->regmap_irq_chip = &axp288_regmap_irq_chip;
axp20x->irq_flags = IRQF_TRIGGER_LOW;
break;
+ case AXP803_ID:
+ axp20x->nr_cells = ARRAY_SIZE(axp803_cells);
+ axp20x->cells = axp803_cells;
+ axp20x->regmap_cfg = &axp288_regmap_config;
+ axp20x->regmap_irq_chip = &axp803_regmap_irq_chip;
+ break;
case AXP806_ID:
axp20x->nr_cells = ARRAY_SIZE(axp806_cells);
axp20x->cells = axp806_cells;
diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
index dc8798cf2a24..cde56cfe8446 100644
--- a/include/linux/mfd/axp20x.h
+++ b/include/linux/mfd/axp20x.h
@@ -20,6 +20,7 @@ enum axp20x_variants {
AXP221_ID,
AXP223_ID,
AXP288_ID,
+ AXP803_ID,
AXP806_ID,
AXP809_ID,
NR_AXP20X_VARIANTS,
@@ -234,7 +235,7 @@ enum axp20x_variants {
#define AXP22X_TS_ADC_L 0x59
#define AXP22X_BATLOW_THRES1 0xe6

-/* AXP288 specific registers */
+/* AXP288/AXP803 specific registers */
#define AXP288_POWER_REASON 0x02
#define AXP288_BC_GLOBAL 0x2c
#define AXP288_BC_VBUS_CNTL 0x2d
@@ -475,6 +476,43 @@ enum axp288_irqs {
AXP288_IRQ_BC_USB_CHNG,
};

+enum axp803_irqs {
+ AXP803_IRQ_ACIN_OVER_V = 1,
+ AXP803_IRQ_ACIN_PLUGIN,
+ AXP803_IRQ_ACIN_REMOVAL,
+ AXP803_IRQ_VBUS_OVER_V,
+ AXP803_IRQ_VBUS_PLUGIN,
+ AXP803_IRQ_VBUS_REMOVAL,
+ AXP803_IRQ_BATT_PLUGIN,
+ AXP803_IRQ_BATT_REMOVAL,
+ AXP803_IRQ_BATT_ENT_ACT_MODE,
+ AXP803_IRQ_BATT_EXIT_ACT_MODE,
+ AXP803_IRQ_CHARG,
+ AXP803_IRQ_CHARG_DONE,
+ AXP803_IRQ_BATT_CHG_TEMP_HIGH,
+ AXP803_IRQ_BATT_CHG_TEMP_HIGH_END,
+ AXP803_IRQ_BATT_CHG_TEMP_LOW,
+ AXP803_IRQ_BATT_CHG_TEMP_LOW_END,
+ AXP803_IRQ_BATT_ACT_TEMP_HIGH,
+ AXP803_IRQ_BATT_ACT_TEMP_HIGH_END,
+ AXP803_IRQ_BATT_ACT_TEMP_LOW,
+ AXP803_IRQ_BATT_ACT_TEMP_LOW_END,
+ AXP803_IRQ_DIE_TEMP_HIGH,
+ AXP803_IRQ_GPADC,
+ AXP803_IRQ_LOW_PWR_LVL1,
+ AXP803_IRQ_LOW_PWR_LVL2,
+ AXP803_IRQ_TIMER,
+ AXP803_IRQ_PEK_RIS_EDGE,
+ AXP803_IRQ_PEK_FAL_EDGE,
+ AXP803_IRQ_PEK_SHORT,
+ AXP803_IRQ_PEK_LONG,
+ AXP803_IRQ_PEK_OVER_OFF,
+ AXP803_IRQ_GPIO1_INPUT,
+ AXP803_IRQ_GPIO0_INPUT,
+ AXP803_IRQ_BC_USB_CHNG,
+ AXP803_IRQ_MV_CHNG,
+};
+
enum axp806_irqs {
AXP806_IRQ_DIE_TEMP_HIGH_LV1,
AXP806_IRQ_DIE_TEMP_HIGH_LV2,
--
2.12.2