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-rw-r--r--include/dt-bindings/gpio/tegra241-gpio.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/tegra241-gpio.h b/include/dt-bindings/gpio/tegra241-gpio.h
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+++ b/include/dt-bindings/gpio/tegra241-gpio.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved. */
+
+/*
+ * This header provides constants for the nvidia,tegra241-gpio DT binding.
+ *
+ * The first cell in Tegra's GPIO specifier is the GPIO ID. The macros below
+ * provide names for this.
+ *
+ * The second cell contains standard flag values specified in gpio.h.
+ */
+
+#ifndef _DT_BINDINGS_GPIO_TEGRA241_GPIO_H
+#define _DT_BINDINGS_GPIO_TEGRA241_GPIO_H
+
+#include <dt-bindings/gpio/gpio.h>
+
+/* GPIOs implemented by main GPIO controller */
+#define TEGRA241_MAIN_GPIO_PORT_A 0
+#define TEGRA241_MAIN_GPIO_PORT_B 1
+#define TEGRA241_MAIN_GPIO_PORT_C 2
+#define TEGRA241_MAIN_GPIO_PORT_D 3
+#define TEGRA241_MAIN_GPIO_PORT_E 4
+#define TEGRA241_MAIN_GPIO_PORT_F 5
+#define TEGRA241_MAIN_GPIO_PORT_G 6
+#define TEGRA241_MAIN_GPIO_PORT_H 7
+#define TEGRA241_MAIN_GPIO_PORT_I 8
+#define TEGRA241_MAIN_GPIO_PORT_J 9
+#define TEGRA241_MAIN_GPIO_PORT_K 10
+#define TEGRA241_MAIN_GPIO_PORT_L 11
+
+#define TEGRA241_MAIN_GPIO(port, offset) \
+ ((TEGRA241_MAIN_GPIO_PORT_##port * 8) + (offset))
+
+/* GPIOs implemented by AON GPIO controller */
+#define TEGRA241_AON_GPIO_PORT_AA 0
+#define TEGRA241_AON_GPIO_PORT_BB 1
+
+#define TEGRA241_AON_GPIO(port, offset) \
+ ((TEGRA241_AON_GPIO_PORT_##port * 8) + (offset))
+
+#endif