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-rw-r--r--drivers/gpio/gpio-aspeed.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index f6b26f9bd287..09e53c5f3b0a 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -662,12 +662,14 @@ static void aspeed_gpio_irq_handler(struct irq_desc *desc)
struct gpio_chip *gc = irq_desc_get_handler_data(desc);
struct irq_chip *ic = irq_desc_get_chip(desc);
struct aspeed_gpio *data = gpiochip_get_data(gc);
- unsigned int i, p, girq;
+ unsigned int i, p, girq, banks;
unsigned long reg;
+ struct aspeed_gpio *gpio = gpiochip_get_data(gc);
chained_irq_enter(ic, desc);
- for (i = 0; i < ARRAY_SIZE(aspeed_gpio_banks); i++) {
+ banks = DIV_ROUND_UP(gpio->chip.ngpio, 32);
+ for (i = 0; i < banks; i++) {
const struct aspeed_gpio_bank *bank = &aspeed_gpio_banks[i];
reg = ioread32(bank_reg(data, bank, reg_irq_status));
@@ -1111,9 +1113,25 @@ static const struct aspeed_gpio_config ast2500_config =
/* 232 for simplicity, actual number is 228 (4-GPIO hole in GPIOAB) */
{ .nr_gpios = 232, .props = ast2500_bank_props, };
+static const struct aspeed_bank_props ast2600_bank_props[] = {
+ /* input output */
+ {5, 0xffffffff, 0x0000ffff}, /* U/V/W/X */
+ {6, 0xffff0000, 0x0fff0000}, /* Y/Z */
+ { },
+};
+
+static const struct aspeed_gpio_config ast2600_config =
+ /*
+ * ast2600 has two controllers one with 208 GPIOs and one with 36 GPIOs.
+ * We expect ngpio being set in the device tree and this is a fallback
+ * option.
+ */
+ { .nr_gpios = 208, .props = ast2600_bank_props, };
+
static const struct of_device_id aspeed_gpio_of_table[] = {
{ .compatible = "aspeed,ast2400-gpio", .data = &ast2400_config, },
{ .compatible = "aspeed,ast2500-gpio", .data = &ast2500_config, },
+ { .compatible = "aspeed,ast2600-gpio", .data = &ast2600_config, },
{}
};
MODULE_DEVICE_TABLE(of, aspeed_gpio_of_table);