1 files changed, 16 insertions, 52 deletions
diff --git a/src/soc/nvidia/tegra/gpio.c b/src/soc/nvidia/tegra/gpio.c
index b10cded12d..17b90aa1d9 100644
--- a/src/soc/nvidia/tegra/gpio.c
+++ b/src/soc/nvidia/tegra/gpio.c
@@ -23,6 +23,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <delay.h>
+#include <gpiolib.h>
 
 #include "gpio.h"
 #include "pinmux.h"
@@ -175,58 +176,6 @@ int gpio_get_in_value(gpio_t gpio)
 	return (port & (1 << bit)) != 0;
 }
 
-int gpio_get_in_tristate_values(gpio_t gpio[], int num_gpio, int value[])
-{
-	/*
-	 * GPIOs which are tied to stronger external pull up or pull down
-	 * will stay there regardless of the internal pull up or pull
-	 * down setting.
-	 *
-	 * GPIOs which are floating will go to whatever level they're
-	 * internally pulled to.
-	 */
-
-	int temp;
-	int index;
-
-	/* Enable internal pull up */
-	for (index = 0; index < num_gpio; ++index)
-		gpio_input_pullup(gpio[index]);
-
-	/* Wait until signals become stable */
-	udelay(10);
-
-	/* Get gpio values at internal pull up */
-	for (index = 0; index < num_gpio; ++index)
-		value[index] = gpio_get_in_value(gpio[index]);
-
-	/* Enable internal pull down */
-	for (index = 0; index < num_gpio; ++index)
-		gpio_input_pulldown(gpio[index]);
-
-	/* Wait until signals become stable */
-	udelay(10);
-
-	/*
-	 * Get gpio values at internal pull down.
-	 * Compare with gpio pull up value and then
-	 * determine a gpio final value/state:
-	 *  0: pull down
-	 *  1: pull up
-	 *  2: floating
-	 */
-	for (index = 0; index < num_gpio; ++index) {
-		temp = gpio_get_in_value(gpio[index]);
-		value[index] = ((value[index] ^ temp) << 1) | temp;
-	}
-
-	/* Disable pull up / pull down to conserve power */
-	for (index = 0; index < num_gpio; ++index)
-		gpio_input(gpio[index]);
-
-	return 0;
-}
-
 int gpio_get_int_status(gpio_t gpio)
 {
 	int bit = gpio % GPIO_GPIOS_PER_PORT;
@@ -279,3 +228,18 @@ void gpio_set_int_clear(gpio_t gpio)
 			offsetof(struct gpio_bank, int_clear),
 			1 << bit, 1 << bit);
 }
+
+void gpio_input_pulldown(gpio_t gpio)
+{
+	__gpio_input(gpio, PINMUX_PULL_DOWN);
+}
+
+void gpio_input_pullup(gpio_t gpio)
+{
+	__gpio_input(gpio, PINMUX_PULL_UP);
+}
+
+void gpio_input(gpio_t gpio)
+{
+	__gpio_input(gpio, PINMUX_PULL_NONE);
+}