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authorIru Cai <mytbk920423@gmail.com>2019-10-30 14:21:52 +0800
committerIru Cai <mytbk920423@gmail.com>2019-10-30 14:48:38 +0800
commitae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch)
tree6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /arch/arm/include/asm/arch-tegra30/gpio.h
downloaduext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz
import the U-Boot code and make it compile
Diffstat (limited to 'arch/arm/include/asm/arch-tegra30/gpio.h')
-rw-r--r--arch/arm/include/asm/arch-tegra30/gpio.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra30/gpio.h b/arch/arm/include/asm/arch-tegra30/gpio.h
new file mode 100644
index 0000000..1dd2e42
--- /dev/null
+++ b/arch/arm/include/asm/arch-tegra30/gpio.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved.
+ */
+
+#ifndef _TEGRA30_GPIO_H_
+#define _TEGRA30_GPIO_H_
+
+/*
+ * The Tegra 3x GPIO controller has 246 GPIOS in 8 banks of 4 ports,
+ * each with 8 GPIOs.
+ */
+#define TEGRA_GPIO_PORTS 4 /* number of ports per bank */
+#define TEGRA_GPIO_BANKS 8 /* number of banks */
+
+#include <asm/arch-tegra/gpio.h>
+
+/* GPIO Controller registers for a single bank */
+struct gpio_ctlr_bank {
+ uint gpio_config[TEGRA_GPIO_PORTS];
+ uint gpio_dir_out[TEGRA_GPIO_PORTS];
+ uint gpio_out[TEGRA_GPIO_PORTS];
+ uint gpio_in[TEGRA_GPIO_PORTS];
+ uint gpio_int_status[TEGRA_GPIO_PORTS];
+ uint gpio_int_enable[TEGRA_GPIO_PORTS];
+ uint gpio_int_level[TEGRA_GPIO_PORTS];
+ uint gpio_int_clear[TEGRA_GPIO_PORTS];
+ uint gpio_masked_config[TEGRA_GPIO_PORTS];
+ uint gpio_masked_dir_out[TEGRA_GPIO_PORTS];
+ uint gpio_masked_out[TEGRA_GPIO_PORTS];
+ uint gpio_masked_in[TEGRA_GPIO_PORTS];
+ uint gpio_masked_int_status[TEGRA_GPIO_PORTS];
+ uint gpio_masked_int_enable[TEGRA_GPIO_PORTS];
+ uint gpio_masked_int_level[TEGRA_GPIO_PORTS];
+ uint gpio_masked_int_clear[TEGRA_GPIO_PORTS];
+};
+
+struct gpio_ctlr {
+ struct gpio_ctlr_bank gpio_bank[TEGRA_GPIO_BANKS];
+};
+
+#endif /* _TEGRA30_GPIO_H_ */