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path: root/drivers/pinctrl/pinctrl-ingenic.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-ingenic.c')
-rw-r--r--drivers/pinctrl/pinctrl-ingenic.c50
1 files changed, 41 insertions, 9 deletions
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 6e2683016c1f..24e0e2ef47a4 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -686,6 +686,7 @@ static int jz4770_mac_rmii_pins[] = {
0xa9, 0xab, 0xaa, 0xac, 0xa5, 0xa4, 0xad, 0xae, 0xa6, 0xa8,
};
static int jz4770_mac_mii_pins[] = { 0xa7, 0xaf, };
+static int jz4770_otg_pins[] = { 0x8a, };
static int jz4770_uart0_data_funcs[] = { 0, 0, };
static int jz4770_uart0_hwflow_funcs[] = { 0, 0, };
@@ -744,6 +745,7 @@ static int jz4770_pwm_pwm6_funcs[] = { 0, };
static int jz4770_pwm_pwm7_funcs[] = { 0, };
static int jz4770_mac_rmii_funcs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, };
static int jz4770_mac_mii_funcs[] = { 0, 0, };
+static int jz4770_otg_funcs[] = { 0, };
static const struct group_desc jz4770_groups[] = {
INGENIC_PIN_GROUP("uart0-data", jz4770_uart0_data),
@@ -799,6 +801,7 @@ static const struct group_desc jz4770_groups[] = {
INGENIC_PIN_GROUP("pwm7", jz4770_pwm_pwm7),
INGENIC_PIN_GROUP("mac-rmii", jz4770_mac_rmii),
INGENIC_PIN_GROUP("mac-mii", jz4770_mac_mii),
+ INGENIC_PIN_GROUP("otg-vbus", jz4770_otg),
};
static const char *jz4770_uart0_groups[] = { "uart0-data", "uart0-hwflow", };
@@ -841,6 +844,7 @@ static const char *jz4770_pwm5_groups[] = { "pwm5", };
static const char *jz4770_pwm6_groups[] = { "pwm6", };
static const char *jz4770_pwm7_groups[] = { "pwm7", };
static const char *jz4770_mac_groups[] = { "mac-rmii", "mac-mii", };
+static const char *jz4770_otg_groups[] = { "otg-vbus", };
static const struct function_desc jz4770_functions[] = {
{ "uart0", jz4770_uart0_groups, ARRAY_SIZE(jz4770_uart0_groups), },
@@ -871,6 +875,7 @@ static const struct function_desc jz4770_functions[] = {
{ "pwm6", jz4770_pwm6_groups, ARRAY_SIZE(jz4770_pwm6_groups), },
{ "pwm7", jz4770_pwm7_groups, ARRAY_SIZE(jz4770_pwm7_groups), },
{ "mac", jz4770_mac_groups, ARRAY_SIZE(jz4770_mac_groups), },
+ { "otg", jz4770_otg_groups, ARRAY_SIZE(jz4770_otg_groups), },
};
static const struct ingenic_chip_info jz4770_chip_info = {
@@ -1801,19 +1806,30 @@ static void ingenic_set_bias(struct ingenic_pinctrl *jzpc,
ingenic_config_pin(jzpc, pin, JZ4740_GPIO_PULL_DIS, !enabled);
}
+static void ingenic_set_output_level(struct ingenic_pinctrl *jzpc,
+ unsigned int pin, bool high)
+{
+ if (jzpc->version >= ID_JZ4770)
+ ingenic_config_pin(jzpc, pin, JZ4760_GPIO_PAT0, high);
+ else
+ ingenic_config_pin(jzpc, pin, JZ4740_GPIO_DATA, high);
+}
+
static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, unsigned int num_configs)
{
struct ingenic_pinctrl *jzpc = pinctrl_dev_get_drvdata(pctldev);
unsigned int idx = pin % PINS_PER_GPIO_CHIP;
unsigned int offt = pin / PINS_PER_GPIO_CHIP;
- unsigned int cfg;
+ unsigned int cfg, arg;
+ int ret;
for (cfg = 0; cfg < num_configs; cfg++) {
switch (pinconf_to_config_param(configs[cfg])) {
case PIN_CONFIG_BIAS_DISABLE:
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_BIAS_PULL_DOWN:
+ case PIN_CONFIG_OUTPUT:
continue;
default:
return -ENOTSUPP;
@@ -1821,6 +1837,8 @@ static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
}
for (cfg = 0; cfg < num_configs; cfg++) {
+ arg = pinconf_to_config_argument(configs[cfg]);
+
switch (pinconf_to_config_param(configs[cfg])) {
case PIN_CONFIG_BIAS_DISABLE:
dev_dbg(jzpc->dev, "disable pull-over for pin P%c%u\n",
@@ -1844,6 +1862,14 @@ static int ingenic_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
ingenic_set_bias(jzpc, pin, true);
break;
+ case PIN_CONFIG_OUTPUT:
+ ret = pinctrl_gpio_direction_output(pin);
+ if (ret)
+ return ret;
+
+ ingenic_set_output_level(jzpc, pin, arg);
+ break;
+
default:
unreachable();
}
@@ -1940,6 +1966,7 @@ static int __init ingenic_gpio_probe(struct ingenic_pinctrl *jzpc,
{
struct ingenic_gpio_chip *jzgc;
struct device *dev = jzpc->dev;
+ struct gpio_irq_chip *girq;
unsigned int bank;
int err;
@@ -1982,10 +2009,6 @@ static int __init ingenic_gpio_probe(struct ingenic_pinctrl *jzpc,
jzgc->gc.free = gpiochip_generic_free;
}
- err = devm_gpiochip_add_data(dev, &jzgc->gc, jzgc);
- if (err)
- return err;
-
jzgc->irq = irq_of_parse_and_map(node, 0);
if (!jzgc->irq)
return -EINVAL;
@@ -2000,13 +2023,22 @@ static int __init ingenic_gpio_probe(struct ingenic_pinctrl *jzpc,
jzgc->irq_chip.irq_set_wake = ingenic_gpio_irq_set_wake;
jzgc->irq_chip.flags = IRQCHIP_MASK_ON_SUSPEND;
- err = gpiochip_irqchip_add(&jzgc->gc, &jzgc->irq_chip, 0,
- handle_level_irq, IRQ_TYPE_NONE);
+ girq = &jzgc->gc.irq;
+ girq->chip = &jzgc->irq_chip;
+ girq->parent_handler = ingenic_gpio_irq_handler;
+ girq->num_parents = 1;
+ girq->parents = devm_kcalloc(dev, 1, sizeof(*girq->parents),
+ GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
+ girq->parents[0] = jzgc->irq;
+ girq->default_type = IRQ_TYPE_NONE;
+ girq->handler = handle_level_irq;
+
+ err = devm_gpiochip_add_data(dev, &jzgc->gc, jzgc);
if (err)
return err;
- gpiochip_set_chained_irqchip(&jzgc->gc, &jzgc->irq_chip,
- jzgc->irq, ingenic_gpio_irq_handler);
return 0;
}