linux-kernel - [PATCH v2 4/9] arm64: dts: ti: k3-am62a-main: Add C7xv device node

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Message-ID: <20250131214611.3288742-5-jm@ti.com>
Date: Fri, 31 Jan 2025 15:46:06 -0600
From: Judith Mendez <jm@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>
CC: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Andrew Davis
	<afd@...com>,
        Hari Nagalla <hnagalla@...com>, Judith Mendez <jm@...com>
Subject: [PATCH v2 4/9] arm64: dts: ti: k3-am62a-main: Add C7xv device node

From: Jai Luthra <j-luthra@...com>

AM62A SoCs have a C7xv DSP subsystem with Analytics engine capability.
This subsystem is intended for deep learning purposes. Define the
device node for C7xv DSP.

Signed-off-by: Jai Luthra <j-luthra@...com>
Signed-off-by: Hari Nagalla <hnagalla@...com>
Signed-off-by: Judith Mendez <jm@...com>
---
Changes since v1:
- disable each device node in the voltage domain files and
  enable at the board level file
- fix firmware names
---
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index a1daba7b1fad5..f6ebc4eabaf14 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -1123,6 +1123,18 @@ vpu: video-codec@...10000 {
 		power-domains = <&k3_pds 204 TI_SCI_PD_EXCLUSIVE>;
 	};
 
+	c7x_0: dsp@...00000 {
+		compatible = "ti,am62a-c7xv-dsp";
+		reg = <0x00 0x7e000000 0x00 0x00100000>;
+		reg-names = "l2sram";
+		ti,sci = <&dmsc>;
+		ti,sci-dev-id = <208>;
+		ti,sci-proc-ids = <0x04 0xff>;
+		resets = <&k3_reset 208 1>;
+		firmware-name = "am62a-c71_0-fw";
+		status = "disabled";
+	};
+
 	e5010: jpeg-encoder@...0000 {
 		compatible = "ti,am62a-jpeg-enc", "img,e5010-jpeg-enc";
 		reg = <0x00 0xfd20000 0x00 0x100>,
-- 
2.48.0