1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/gpio.h b/arch/arm/include/asm/arch-tegra/gpio.h
new file mode 100644
index 0000000..fe7b3a5
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra/gpio.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2011, Google Inc. All rights reserved.
+ */
+
+#ifndef _TEGRA_GPIO_H_
+#define _TEGRA_GPIO_H_
+
+#include <dt-bindings/gpio/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 */
+
+#define GPIO_BANK(x)		((x) >> 5)
+#define GPIO_PORT(x)		(((x) >> 3) & 0x3)
+#define GPIO_FULLPORT(x)	((x) >> 3)
+#define GPIO_BIT(x)		((x) & 0x7)
+
+enum tegra_gpio_init {
+	TEGRA_GPIO_INIT_IN,
+	TEGRA_GPIO_INIT_OUT0,
+	TEGRA_GPIO_INIT_OUT1,
+};
+
+struct tegra_gpio_config {
+	u32 gpio:16;
+	u32 init:2;
+};
+
+/**
+ * Configure a list of GPIOs
+ *
+ * @param config	List of GPIO configurations
+ * @param len		Number of config items in list
+ */
+void gpio_config_table(const struct tegra_gpio_config *config, int len);
+
+#endif	/* TEGRA_GPIO_H_ */