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path: root/drivers/gpio/sunxi_gpio.c
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Diffstat (limited to 'drivers/gpio/sunxi_gpio.c')
-rw-r--r--drivers/gpio/sunxi_gpio.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c
index 62960929ad..510123fdf8 100644
--- a/drivers/gpio/sunxi_gpio.c
+++ b/drivers/gpio/sunxi_gpio.c
@@ -21,6 +21,9 @@
#ifdef CONFIG_AXP209_POWER
#include <axp209.h>
#endif
+#ifdef CONFIG_AXP221_POWER
+#include <axp221.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -115,6 +118,20 @@ int gpio_set_value(unsigned gpio, int value)
return sunxi_gpio_output(gpio, value);
}
+int sunxi_name_to_gpio_bank(const char *name)
+{
+ int group = 0;
+
+ if (*name == 'P' || *name == 'p')
+ name++;
+ if (*name >= 'A') {
+ group = *name - (*name > 'a' ? 'a' : 'A');
+ return group;
+ }
+
+ return -1;
+}
+
int sunxi_name_to_gpio(const char *name)
{
int group = 0;
@@ -125,6 +142,12 @@ int sunxi_name_to_gpio(const char *name)
#ifdef AXP_GPIO
if (strncasecmp(name, "AXP0-", 5) == 0) {
name += 5;
+ if (strcmp(name, "VBUS-DETECT") == 0)
+ return SUNXI_GPIO_AXP0_START +
+ SUNXI_GPIO_AXP0_VBUS_DETECT;
+ if (strcmp(name, "VBUS-ENABLE") == 0)
+ return SUNXI_GPIO_AXP0_START +
+ SUNXI_GPIO_AXP0_VBUS_ENABLE;
pin = simple_strtol(name, &eptr, 10);
if (!*name || *eptr)
return -1;
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