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path: root/drivers/pinctrl/pinctrl-sirf.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-sirf.c')
-rw-r--r--drivers/pinctrl/pinctrl-sirf.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c
index 498b2ba905d..d02498b30c6 100644
--- a/drivers/pinctrl/pinctrl-sirf.c
+++ b/drivers/pinctrl/pinctrl-sirf.c
@@ -1246,6 +1246,22 @@ static void __iomem *sirfsoc_rsc_of_iomap(void)
return of_iomap(np, 0);
}
+static int sirfsoc_gpio_of_xlate(struct gpio_chip *gc,
+ const struct of_phandle_args *gpiospec,
+ u32 *flags)
+{
+ if (gpiospec->args[0] > SIRFSOC_GPIO_NO_OF_BANKS * SIRFSOC_GPIO_BANK_SIZE)
+ return -EINVAL;
+
+ if (gc != &sgpio_bank[gpiospec->args[0] / SIRFSOC_GPIO_BANK_SIZE].chip.gc)
+ return -EINVAL;
+
+ if (flags)
+ *flags = gpiospec->args[1];
+
+ return gpiospec->args[0] % SIRFSOC_GPIO_BANK_SIZE;
+}
+
static int sirfsoc_pinmux_probe(struct platform_device *pdev)
{
int ret;
@@ -1736,6 +1752,8 @@ static int sirfsoc_gpio_probe(struct device_node *np)
bank->chip.gc.ngpio = SIRFSOC_GPIO_BANK_SIZE;
bank->chip.gc.label = kstrdup(np->full_name, GFP_KERNEL);
bank->chip.gc.of_node = np;
+ bank->chip.gc.of_xlate = sirfsoc_gpio_of_xlate;
+ bank->chip.gc.of_gpio_n_cells = 2;
bank->chip.regs = regs;
bank->id = i;
bank->is_marco = is_marco;