Skip to content

Commit

Permalink
ARM: tegra: create a DT header defining GPIO IDs
Browse files Browse the repository at this point in the history
All Tegra GPIOs are named after the GPIO bank and GPIO number within
the bank. Define a macro to calculate the GPIO ID based on those
parameters. Make the macro available via all Tegra .dtsip files.

Signed-off-by: Stephen Warren <[email protected]>
  • Loading branch information
nvswarren committed May 28, 2013
1 parent 1bd0bd4 commit 9798e47
Showing 1 changed file with 50 additions and 0 deletions.
50 changes: 50 additions & 0 deletions include/dt-bindings/gpio/tegra-gpio.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
/*
* This header provides constants for binding nvidia,tegra*-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_TEGRA_GPIO_H
#define _DT_BINDINGS_GPIO_TEGRA_GPIO_H

#include <dt-bindings/gpio/gpio.h>

#define TEGRA_GPIO_BANK_ID_A 0
#define TEGRA_GPIO_BANK_ID_B 1
#define TEGRA_GPIO_BANK_ID_C 2
#define TEGRA_GPIO_BANK_ID_D 3
#define TEGRA_GPIO_BANK_ID_E 4
#define TEGRA_GPIO_BANK_ID_F 5
#define TEGRA_GPIO_BANK_ID_G 6
#define TEGRA_GPIO_BANK_ID_H 7
#define TEGRA_GPIO_BANK_ID_I 8
#define TEGRA_GPIO_BANK_ID_J 9
#define TEGRA_GPIO_BANK_ID_K 10
#define TEGRA_GPIO_BANK_ID_L 11
#define TEGRA_GPIO_BANK_ID_M 12
#define TEGRA_GPIO_BANK_ID_N 13
#define TEGRA_GPIO_BANK_ID_O 14
#define TEGRA_GPIO_BANK_ID_P 15
#define TEGRA_GPIO_BANK_ID_Q 16
#define TEGRA_GPIO_BANK_ID_R 17
#define TEGRA_GPIO_BANK_ID_S 18
#define TEGRA_GPIO_BANK_ID_T 19
#define TEGRA_GPIO_BANK_ID_U 20
#define TEGRA_GPIO_BANK_ID_V 21
#define TEGRA_GPIO_BANK_ID_W 22
#define TEGRA_GPIO_BANK_ID_X 23
#define TEGRA_GPIO_BANK_ID_Y 24
#define TEGRA_GPIO_BANK_ID_Z 25
#define TEGRA_GPIO_BANK_ID_AA 26
#define TEGRA_GPIO_BANK_ID_BB 27
#define TEGRA_GPIO_BANK_ID_CC 28
#define TEGRA_GPIO_BANK_ID_DD 29
#define TEGRA_GPIO_BANK_ID_EE 30

#define TEGRA_GPIO(bank, offset) \
((TEGRA_GPIO_BANK_ID_##bank * 8) + offset)

#endif

0 comments on commit 9798e47

Please sign in to comment.