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[1/2] dt-bindings: interconnect: Add generic qcom bindings

Message ID 20200623040515.23317-2-mdtipton@codeaurora.org
State New
Headers show
Series [1/2] dt-bindings: interconnect: Add generic qcom bindings | expand

Commit Message

Mike Tipton June 23, 2020, 4:05 a.m. UTC 
Add generic qcom interconnect bindings that are common across platforms. In
particular, these include QCOM_ICC_TAG_* macros that clients can use when
calling icc_set_tag().

Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
---
 include/dt-bindings/interconnect/qcom,icc.h | 26 +++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 include/dt-bindings/interconnect/qcom,icc.h
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Patch

diff --git a/include/dt-bindings/interconnect/qcom,icc.h b/include/dt-bindings/interconnect/qcom,icc.h
new file mode 100644
index 000000000000..cd34f36daaaa
--- /dev/null
+++ b/include/dt-bindings/interconnect/qcom,icc.h
@@ -0,0 +1,26 @@ 
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_ICC_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_ICC_H
+
+/*
+ * The AMC bucket denotes constraints that are applied to hardware when
+ * icc_set_bw() completes, whereas the WAKE and SLEEP constraints are applied
+ * when the execution environment transitions between active and low power mode.
+ */
+#define QCOM_ICC_BUCKET_AMC		0
+#define QCOM_ICC_BUCKET_WAKE		1
+#define QCOM_ICC_BUCKET_SLEEP		2
+#define QCOM_ICC_NUM_BUCKETS		3
+
+#define QCOM_ICC_TAG_AMC		(1 << QCOM_ICC_BUCKET_AMC)
+#define QCOM_ICC_TAG_WAKE		(1 << QCOM_ICC_BUCKET_WAKE)
+#define QCOM_ICC_TAG_SLEEP		(1 << QCOM_ICC_BUCKET_SLEEP)
+#define QCOM_ICC_TAG_ACTIVE_ONLY	(QCOM_ICC_TAG_AMC | QCOM_ICC_TAG_WAKE)
+#define QCOM_ICC_TAG_ALWAYS		(QCOM_ICC_TAG_AMC | QCOM_ICC_TAG_WAKE |\
+					 QCOM_ICC_TAG_SLEEP)
+
+#endif