summaryrefslogtreecommitdiffstats
path: root/include/dt-bindings
diff options
context:
space:
mode:
authorLaxman Dewangan <ldewangan@nvidia.com>2013-12-05 16:14:06 +0530
committerStephen Warren <swarren@nvidia.com>2013-12-16 14:09:20 -0700
commitb758df2e2af6bbd100fad85473dcf49c2f31d39a (patch)
tree62c033cb575f3150fa3e1f1629c4d3bc315219b9 /include/dt-bindings
parent6bccbd5e18f65ca57b509ad25c9a8b0ad208627e (diff)
downloadop-kernel-dev-b758df2e2af6bbd100fad85473dcf49c2f31d39a.zip
op-kernel-dev-b758df2e2af6bbd100fad85473dcf49c2f31d39a.tar.gz
ARM: tegra: Add header file for pinctrl constants
This new header file defines pincontrol constants for Tegra to use from Tegra's DTS file for pincontrol properties option. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'include/dt-bindings')
-rw-r--r--include/dt-bindings/pinctrl/pinctrl-tegra.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/pinctrl-tegra.h b/include/dt-bindings/pinctrl/pinctrl-tegra.h
new file mode 100644
index 0000000..ebafa49
--- /dev/null
+++ b/include/dt-bindings/pinctrl/pinctrl-tegra.h
@@ -0,0 +1,45 @@
+/*
+ * This header provides constants for Tegra pinctrl bindings.
+ *
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Author: Laxman Dewangan <ldewangan@nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_TEGRA_H
+#define _DT_BINDINGS_PINCTRL_TEGRA_H
+
+/*
+ * Enable/disable for diffeent dt properties. This is applicable for
+ * properties nvidia,enable-input, nvidia,tristate, nvidia,open-drain,
+ * nvidia,lock, nvidia,rcv-sel, nvidia,high-speed-mode, nvidia,schmitt.
+ */
+#define TEGRA_PIN_DISABLE 0
+#define TEGRA_PIN_ENABLE 1
+
+#define TEGRA_PIN_PULL_NONE 0
+#define TEGRA_PIN_PULL_DOWN 1
+#define TEGRA_PIN_PULL_UP 2
+
+/* Low power mode driver */
+#define TEGRA_PIN_LP_DRIVE_DIV_8 0
+#define TEGRA_PIN_LP_DRIVE_DIV_4 1
+#define TEGRA_PIN_LP_DRIVE_DIV_2 2
+#define TEGRA_PIN_LP_DRIVE_DIV_1 3
+
+/* Rising/Falling slew rate */
+#define TEGRA_PIN_SLEW_RATE_FASTEST 0
+#define TEGRA_PIN_SLEW_RATE_FAST 1
+#define TEGRA_PIN_SLEW_RATE_SLOW 2
+#define TEGRA_PIN_SLEW_RATE_SLOWEST 3
+
+#endif
OpenPOWER on IntegriCloud