diff options
author | Mikko Perttunen <mperttunen@nvidia.com> | 2018-02-20 13:58:11 +0200 |
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committer | Thierry Reding <treding@nvidia.com> | 2018-03-08 14:31:13 +0100 |
commit | 5425fb15d8ee645314bddb305b5663c4ebfb495c (patch) | |
tree | 711afd1e0fc7d570788a034dc83e002b02ce6b9e /include/dt-bindings/gpio/tegra194-gpio.h | |
parent | 7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff) |
arm64: tegra: Add Tegra194 chip device tree
Add the chip-level device tree, including binding headers, for the
NVIDIA Tegra194 "Xavier" system-on-chip. Only a small subset of devices
are initially available, enough to boot to UART console.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/dt-bindings/gpio/tegra194-gpio.h')
-rw-r--r-- | include/dt-bindings/gpio/tegra194-gpio.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/tegra194-gpio.h b/include/dt-bindings/gpio/tegra194-gpio.h new file mode 100644 index 000000000000..ede860225f6b --- /dev/null +++ b/include/dt-bindings/gpio/tegra194-gpio.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. */ + +/* + * This header provides constants for binding nvidia,tegra194-gpio*. + * + * 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_TEGRA194_GPIO_H +#define _DT_BINDINGS_GPIO_TEGRA194_GPIO_H + +#include <dt-bindings/gpio/gpio.h> + +/* GPIOs implemented by main GPIO controller */ +#define TEGRA194_MAIN_GPIO_PORT_A 0 +#define TEGRA194_MAIN_GPIO_PORT_B 1 +#define TEGRA194_MAIN_GPIO_PORT_C 2 +#define TEGRA194_MAIN_GPIO_PORT_D 3 +#define TEGRA194_MAIN_GPIO_PORT_E 4 +#define TEGRA194_MAIN_GPIO_PORT_F 5 +#define TEGRA194_MAIN_GPIO_PORT_G 6 +#define TEGRA194_MAIN_GPIO_PORT_H 7 +#define TEGRA194_MAIN_GPIO_PORT_I 8 +#define TEGRA194_MAIN_GPIO_PORT_J 9 +#define TEGRA194_MAIN_GPIO_PORT_K 10 +#define TEGRA194_MAIN_GPIO_PORT_L 11 +#define TEGRA194_MAIN_GPIO_PORT_M 12 +#define TEGRA194_MAIN_GPIO_PORT_N 13 +#define TEGRA194_MAIN_GPIO_PORT_O 14 +#define TEGRA194_MAIN_GPIO_PORT_P 15 +#define TEGRA194_MAIN_GPIO_PORT_Q 16 +#define TEGRA194_MAIN_GPIO_PORT_R 17 +#define TEGRA194_MAIN_GPIO_PORT_S 18 +#define TEGRA194_MAIN_GPIO_PORT_T 19 +#define TEGRA194_MAIN_GPIO_PORT_U 20 +#define TEGRA194_MAIN_GPIO_PORT_V 21 +#define TEGRA194_MAIN_GPIO_PORT_W 22 +#define TEGRA194_MAIN_GPIO_PORT_X 23 +#define TEGRA194_MAIN_GPIO_PORT_Y 24 +#define TEGRA194_MAIN_GPIO_PORT_Z 25 +#define TEGRA194_MAIN_GPIO_PORT_FF 26 +#define TEGRA194_MAIN_GPIO_PORT_GG 27 + +#define TEGRA194_MAIN_GPIO(port, offset) \ + ((TEGRA194_MAIN_GPIO_PORT_##port * 8) + offset) + +/* GPIOs implemented by AON GPIO controller */ +#define TEGRA194_AON_GPIO_PORT_AA 0 +#define TEGRA194_AON_GPIO_PORT_BB 1 +#define TEGRA194_AON_GPIO_PORT_CC 2 +#define TEGRA194_AON_GPIO_PORT_DD 3 +#define TEGRA194_AON_GPIO_PORT_EE 4 + +#define TEGRA194_AON_GPIO(port, offset) \ + ((TEGRA194_AON_GPIO_PORT_##port * 8) + offset) + +#endif |