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authorStephen Warren <swarren@nvidia.com>2013-02-12 17:24:04 -0700
committerLaxman Dewangan <ldewangan@nvidia.com>2013-10-22 02:20:30 -0700
commitc9657e70cea2df2c7337efcac3ef2d42cbb19e0f (patch)
tree648359e247fc997c9d237c024a4841f59302e860 /include/dt-bindings
parent794666616bb2e655f10b4952da78ea71253ef5f1 (diff)
ARM: tegra: create a DT header defining GPIO IDs
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 <swarren@nvidia.com> (cherry picked from commit 9798e47ff232c48b3c25b9a6b9395b505e389475) Signed-off-by: Ashwini Ghuge <aghuge@nvidia.com> Change-Id: I7bf7e20b44492da0cb5acba963905027e980b29f Reviewed-on: http://git-master/r/302216 Reviewed-by: Ashwini Ghuge <aghuge@nvidia.com> Tested-by: Ashwini Ghuge <aghuge@nvidia.com> Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> Tested-by: Laxman Dewangan <ldewangan@nvidia.com>
Diffstat (limited to 'include/dt-bindings')
-rw-r--r--include/dt-bindings/gpio/tegra-gpio.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/tegra-gpio.h b/include/dt-bindings/gpio/tegra-gpio.h
new file mode 100644
index 000000000000..4d179c00f081
--- /dev/null
+++ b/include/dt-bindings/gpio/tegra-gpio.h
@@ -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