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dm: tegra: gpio: Convert to support livetree

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Update the GPIO driver to support a live device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Simon Glass 2017-07-25 08:30:03 -06:00
parent e93812e81c
commit 56f5c40ad9
1 changed files with 6 additions and 4 deletions
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10
drivers/gpio/tegra_gpio.c
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@ -337,11 +337,13 @@ static int gpio_tegra_bind(struct udevice *parent)
* This driver does not make use of interrupts, other than to figure
* out the number of GPIO banks
*/
if (!fdt_getprop(gd->fdt_blob, dev_of_offset(parent), "interrupts",
&len))
return -EINVAL;
len = dev_read_size(parent, "interrupts");
if (len < 0)
return len;
bank_count = len / 3 / sizeof(u32);
ctlr = (struct gpio_ctlr *)devfdt_get_addr(parent);
ctlr = (struct gpio_ctlr *)dev_read_addr(parent);
if ((ulong)ctlr == FDT_ADDR_T_NONE)
return -EINVAL;
}
#endif
for (bank = 0; bank < bank_count; bank++) {