2 files changed, 69 insertions, 0 deletions
diff --git a/include/dt-bindings/mailbox/qcom-ipcc.h b/include/dt-bindings/mailbox/qcom-ipcc.h
new file mode 100644
index 000000000..4c23eefed
--- /dev/null
+++ b/include/dt-bindings/mailbox/qcom-ipcc.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_MAILBOX_IPCC_H
+#define __DT_BINDINGS_MAILBOX_IPCC_H
+
+/* Signal IDs for MPROC protocol */
+#define IPCC_MPROC_SIGNAL_GLINK_QMP	0
+#define IPCC_MPROC_SIGNAL_SMP2P		2
+#define IPCC_MPROC_SIGNAL_PING		3
+
+/* Client IDs */
+#define IPCC_CLIENT_AOP			0
+#define IPCC_CLIENT_TZ			1
+#define IPCC_CLIENT_MPSS		2
+#define IPCC_CLIENT_LPASS		3
+#define IPCC_CLIENT_SLPI		4
+#define IPCC_CLIENT_SDC			5
+#define IPCC_CLIENT_CDSP		6
+#define IPCC_CLIENT_NPU			7
+#define IPCC_CLIENT_APSS		8
+#define IPCC_CLIENT_GPU			9
+#define IPCC_CLIENT_CVP			10
+#define IPCC_CLIENT_CAM			11
+#define IPCC_CLIENT_VPU			12
+#define IPCC_CLIENT_PCIE0		13
+#define IPCC_CLIENT_PCIE1		14
+#define IPCC_CLIENT_PCIE2		15
+#define IPCC_CLIENT_SPSS		16
+
+#endif
diff --git a/include/dt-bindings/mailbox/tegra186-hsp.h b/include/dt-bindings/mailbox/tegra186-hsp.h
new file mode 100644
index 000000000..3bdec7a84
--- /dev/null
+++ b/include/dt-bindings/mailbox/tegra186-hsp.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides constants for binding nvidia,tegra186-hsp.
+ */
+
+#ifndef _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H
+#define _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H
+
+/*
+ * These define the type of mailbox that is to be used (doorbell, shared
+ * mailbox, shared semaphore or arbitrated semaphore).
+ */
+#define TEGRA_HSP_MBOX_TYPE_DB 0x0
+#define TEGRA_HSP_MBOX_TYPE_SM 0x1
+#define TEGRA_HSP_MBOX_TYPE_SS 0x2
+#define TEGRA_HSP_MBOX_TYPE_AS 0x3
+
+/*
+ * These defines represent the bit associated with the given master ID in the
+ * doorbell registers.
+ */
+#define TEGRA_HSP_DB_MASTER_CCPLEX 17
+#define TEGRA_HSP_DB_MASTER_BPMP 19
+
+/*
+ * Shared mailboxes are unidirectional, so the direction needs to be specified
+ * in the device tree.
+ */
+#define TEGRA_HSP_SM_MASK 0x00ffffff
+#define TEGRA_HSP_SM_FLAG_RX (0 << 31)
+#define TEGRA_HSP_SM_FLAG_TX (1 << 31)
+
+#define TEGRA_HSP_SM_RX(x) (TEGRA_HSP_SM_FLAG_RX | ((x) & TEGRA_HSP_SM_MASK))
+#define TEGRA_HSP_SM_TX(x) (TEGRA_HSP_SM_FLAG_TX | ((x) & TEGRA_HSP_SM_MASK))
+
+#endif