drivers: gpio-tegra186: Add conditional GTE flag

There is use_timestamp gpio driver DT property which is used to map GTE
registers address space which will conflict if GTE driver is enabled.
This CL creates function for GTE driver to indicate its presence so
using flag which will make timestamp control function just to return
enabling the timestamp bit.

Bug 2757864

Change-Id: I653c237455131f1b1a92a6de3cc79385d799316f
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2287319
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 19 insertions, 0 deletions

diff --git a/include/linux/gpio-tegra186.h b/include/linux/gpio-tegra186.h
new file mode 100644
index 000000000..07912a120
--- /dev/null
+++ b/include/linux/gpio-tegra186.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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 _LINUX_GTE_GPIO_TEGRA186_H
+#define _LINUX_GTE_GPIO_TEGRA186_H
+
+int tegra_gpio_enable_external_gte(struct gpio_chip *chip);
+
+#endif