Thread (9 messages) 9 messages, 2 authors, 2025-04-11
STALE468d
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[PATCH v5 5/6] arm64: dts: imx8mp: add aipstz-related definitions

From: Laurentiu Mihalcea <hidden>
Date: 2025-04-08 15:43:03
Also in: imx, linux-devicetree, lkml
Subsystem: arm/freescale imx / mxc arm architecture, the rest · Maintainers: Frank Li, Sascha Hauer, Linus Torvalds

From: Laurentiu Mihalcea <redacted>

Add header file with AIPSTZ-related definitions: consumer types,
master/peripheral configuration bits, and master ID definitions.

Signed-off-by: Laurentiu Mihalcea <redacted>
---
 arch/arm64/boot/dts/freescale/imx8mp-aipstz.h | 39 +++++++++++++++++++
 arch/arm64/boot/dts/freescale/imx8mp.dtsi     |  1 +
 2 files changed, 40 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-aipstz.h
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-aipstz.h b/arch/arm64/boot/dts/freescale/imx8mp-aipstz.h
new file mode 100644
index 000000000000..b816cb6ee9d0
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-aipstz.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Copyright 2025 NXP
+ */
+
+#ifndef __IMX8MP_AIPSTZ_H
+#define __IMX8MP_AIPSTZ_H
+
+/* consumer type - master or peripheral */
+#define IMX8MP_AIPSTZ_MASTER 0x0
+#define IMX8MP_AIPSTZ_PERIPH 0x1
+
+/* master configuration options */
+#define IMX8MP_AIPSTZ_MPL (1 << 0)
+#define IMX8MP_AIPSTZ_MTW (1 << 1)
+#define IMX8MP_AIPSTZ_MTR (1 << 2)
+#define IMX8MP_AIPSTZ_MBW (1 << 3)
+
+/* peripheral configuration options */
+#define IMX8MP_AIPSTZ_TP (1 << 0)
+#define IMX8MP_AIPSTZ_WP (1 << 1)
+#define IMX8MP_AIPSTZ_SP (1 << 2)
+#define IMX8MP_AIPSTZ_BW (1 << 3)
+
+/* master ID definitions */
+#define IMX8MP_AIPSTZ_EDMA 0 /* AUDIOMIX EDMA */
+#define IMX8MP_AIPSTZ_CA53 1 /* Cortex-A53 cluster */
+#define IMX8MP_AIPSTZ_SDMA2 3 /* AUDIOMIX SDMA2 */
+#define IMX8MP_AIPSTZ_SDMA3 3 /* AUDIOMIX SDMA3 */
+#define IMX8MP_AIPSTZ_HIFI4 5 /* HIFI4 DSP */
+#define IMX8MP_AIPSTZ_CM7 6 /* Cortex-M7 */
+
+/* helper macros */
+#define IMX8MP_AIPSTZ_HIFI4_T_RW_PL					\
+	IMX8MP_AIPSTZ_MASTER						\
+	IMX8MP_AIPSTZ_HIFI4						\
+	(IMX8MP_AIPSTZ_MPL | IMX8MP_AIPSTZ_MTW | IMX8MP_AIPSTZ_MTR)
+
+#endif /* __IMX8MP_AIPSTZ_H */
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index aa7940c65f2d..ebbc99f9ceba 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -12,6 +12,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/thermal/thermal.h>
 
+#include "imx8mp-aipstz.h"
 #include "imx8mp-pinfunc.h"
 
 / {
-- 
2.34.1

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