tegra: Convert tegra GPIO driver to use driver model

[karo-tx-uboot.git] / arch / arm / include / asm / arch-tegra / gpio.h

diff --git a/arch/arm/include/asm/arch-tegra/gpio.h b/arch/arm/include/asm/arch-tegra/gpio.h
index 44cd455699e797f1f446bb4acdc5ea0b8b9fb52e..7334e0ccd5096dbe05090f2f33d3468101d8a8d3 100644 (file)
--- a/arch/arm/include/asm/arch-tegra/gpio.h
+++ b/arch/arm/include/asm/arch-tegra/gpio.h
@@ -6,6 +6,8 @@
 #ifndef _TEGRA_GPIO_H_
 #define _TEGRA_GPIO_H_
 
+#define TEGRA_GPIOS_PER_PORT   8
+#define TEGRA_PORTS_PER_BANK   4
 #define MAX_NUM_GPIOS           (TEGRA_GPIO_PORTS * TEGRA_GPIO_BANKS * 8)
 #define GPIO_NAME_SIZE         20      /* gpio_request max label len */
 
@@ -25,9 +27,14 @@ struct tegra_gpio_config {
        u32 init:2;
 };
 
-/*
- * Tegra-specific GPIO API
+/**
+ * tegra_spl_gpio_direction_output() - set the output value of a GPIO
+ *
+ * This function is only used from SPL on seaboard, which needs to enable a
+ * GPIO to get the UART running. It could be done in U-Boot rather than SPL,
+ * but for now, this gets it working
  */
+int tegra_spl_gpio_direction_output(int gpio, int value);
 
 /**
  * Configure a list of GPIOs
@@ -37,8 +44,4 @@ struct tegra_gpio_config {
  */
 void gpio_config_table(const struct tegra_gpio_config *config, int len);
 
-void gpio_info(void);
-
-#define gpio_status()  gpio_info()
-
 #endif /* TEGRA_GPIO_H_ */