aon: make pllaon interfaces available

Make interfaces for PLLAON clock control and status over IVC with SPE
available to kernel

Bug 200409889

Change-Id: I515003e7def04ee6c12921166453241ea368a1d6
Signed-off-by: Vishruth Jain <vishruthj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2277163
Reviewed-by: Akhilesh Khumbum <akhumbum@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@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, 32 insertions, 0 deletions

diff --git a/include/soc/tegra/tegra-aon-ivc-pllaon.h b/include/soc/tegra/tegra-aon-ivc-pllaon.h
new file mode 100644
index 000000000..85e19ae0f
--- /dev/null
+++ b/include/soc/tegra/tegra-aon-ivc-pllaon.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+#ifndef _TEGRA_AON_IVC_PLLAON_H_
+#define _TEGRA_AON_IVC_PLLAON_H_
+
+#include <linux/types.h>
+
+/* Get state of PLLAON clock from aon controller.
+ * 1 - if PLLAON clock is enabled
+ * 0 - if PLLAON clock is disabled
+ * -EINVAL - if IVC fails
+ */
+int tegra_aon_get_pllaon_state(void);
+
+/* Set state of PLLAON clock from aon controller.
+ * @enable true  - to enable PLLAON clock
+ *         false - to disable PLLAON clock
+ * @return
+ *      0 - if IVC with AON controller is successful
+ *      -EINVAL - if IVC fails
+ */
+int tegra_aon_set_pllaon_state(bool enable);
+
+#endif