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authorWenyou Yang <wenyou.yang@atmel.com>2017-03-23 12:46:20 +0800
committerSimon Glass <sjg@chromium.org>2017-04-13 14:44:50 -0600
commitcf468880c37be1a7fea0a842a14ba1e1e388147c (patch)
tree1ba275ee90ff5b4b170ac9c3b60fb906379bf07b /drivers/gpio/at91_gpio.c
parent5a07a5f9224d792a27ac9894f86239bc7b3298ba (diff)
gpio: at91_gpio: add the device tree support
Add the device tree support. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'drivers/gpio/at91_gpio.c')
-rw-r--r--drivers/gpio/at91_gpio.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c
index 2f9e44b620..37955cc99a 100644
--- a/drivers/gpio/at91_gpio.c
+++ b/drivers/gpio/at91_gpio.c
@@ -572,14 +572,29 @@ static int at91_gpio_probe(struct udevice *dev)
uc_priv->bank_name = plat->bank_name;
uc_priv->gpio_count = GPIO_PER_BANK;
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ plat->base_addr = (uint32_t)dev_get_addr_ptr(dev);
+#endif
port->regs = (struct at91_port *)plat->base_addr;
return 0;
}
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static const struct udevice_id at91_gpio_ids[] = {
+ { .compatible = "atmel,at91rm9200-gpio" },
+ { }
+};
+#endif
+
U_BOOT_DRIVER(gpio_at91) = {
.name = "gpio_at91",
.id = UCLASS_GPIO,
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ .of_match = at91_gpio_ids,
+ .platdata_auto_alloc_size = sizeof(struct at91_port_platdata),
+#endif
.ops = &gpio_at91_ops,
.probe = at91_gpio_probe,
.priv_auto_alloc_size = sizeof(struct at91_port_priv),