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charset="utf-8" The NavigatorSS (NAVSS) address space contains a 64 KiB on-chip SRAM region at its base address. Add an mmio-sram node to expose this region to consumers via the generic SRAM allocator API. Signed-off-by: Brandon Brnich Reviewed-by: Andrew Davis Acked-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/d= ts/ti/k3-j721s2-main.dtsi index 1228ac5711bf0..1fd173a68c0b2 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -784,6 +784,14 @@ main_navss: bus@30000000 { dma-coherent; dma-ranges; =20 + main_navss_sram: sram@30000000 { + compatible =3D "mmio-sram"; + reg =3D <0x00 0x30000000 0x00 0x10000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x0 0x00 0x30000000 0x10000>; + }; + main_navss_intr: interrupt-controller@310e0000 { compatible =3D "ti,sci-intr"; reg =3D <0x00 0x310e0000 0x00 0x4000>; --=20 2.43.0 From nobody Tue Sep 29 07:39:38 2026 Received: from mx0a-0002e601.pphosted.com (mx0a-0002e601.pphosted.com [148.163.150.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DEDF93A5435; 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charset="utf-8" The NavigatorSS (NAVSS) address space contains a 64 KiB on-chip SRAM region at its base address. Add an mmio-sram node to expose this region to consumers via the generic SRAM allocator API. Signed-off-by: Brandon Brnich Reviewed-by: Andrew Davis Acked-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arc= h/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi index c2636e624f18b..e836f0f42e30d 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi @@ -1254,6 +1254,14 @@ main_navss: bus@30000000 { dma-coherent; dma-ranges; =20 + main_navss_sram: sram@30000000 { + compatible =3D "mmio-sram"; + reg =3D <0x00 0x30000000 0x00 0x10000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges =3D <0x0 0x00 0x30000000 0x10000>; + }; + main_navss_intr: interrupt-controller@310e0000 { compatible =3D "ti,sci-intr"; reg =3D <0x00 0x310e0000 0x00 0x4000>; --=20 2.43.0 From nobody Tue Sep 29 07:39:38 2026 Received: from mx0b-0002e601.pphosted.com (mx0b-0002e601.pphosted.com [148.163.154.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B089E43F8B9; 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charset="utf-8" The Wave5 VPU supports connecting to on-chip SRAM through its secondary AXI interface. This allows temporal buffers to be stored on a per-stream basis, reducing DDR memory traffic. Signed-off-by: Brandon Brnich Reviewed-by: Andrew Davis Acked-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/d= ts/ti/k3-j721s2-main.dtsi index 1fd173a68c0b2..233aedcbf2ec3 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi @@ -716,6 +716,7 @@ vpu: video-codec@4210000 { interrupts =3D ; clocks =3D <&k3_clks 179 2>; power-domains =3D <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>; + sram =3D <&main_navss_sram>; }; =20 main_sdhci0: mmc@4f80000 { --=20 2.43.0 From nobody Tue Sep 29 07:39:38 2026 Received: from mx0a-0002e601.pphosted.com (mx0a-0002e601.pphosted.com [148.163.150.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B03F1442396; Mon, 10 Aug 2026 20:52:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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charset="utf-8" The Wave5 VPU supports connecting to on-chip SRAM through its secondary AXI interface. This allows temporal buffers to be stored on a per-stream basis, reducing DDR memory traffic. Signed-off-by: Brandon Brnich Reviewed-by: Andrew Davis Acked-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arc= h/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi index e836f0f42e30d..21ec9f207ff63 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi @@ -1002,6 +1002,7 @@ vpu0: video-codec@4210000 { interrupts =3D ; clocks =3D <&k3_clks 241 2>; power-domains =3D <&k3_pds 241 TI_SCI_PD_EXCLUSIVE>; + sram =3D <&main_navss_sram>; }; =20 vpu1: video-codec@4220000 { @@ -1010,6 +1011,7 @@ vpu1: video-codec@4220000 { interrupts =3D ; clocks =3D <&k3_clks 242 2>; power-domains =3D <&k3_pds 242 TI_SCI_PD_EXCLUSIVE>; + sram =3D <&main_navss_sram>; }; =20 main_sdhci0: mmc@4f80000 { --=20 2.43.0 From nobody Tue Sep 29 07:39:38 2026 Received: from mx0a-0002e601.pphosted.com (mx0a-0002e601.pphosted.com [148.163.150.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CF2B443AAE; 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charset="utf-8" The Wave5 VPU supports connecting to on-chip SRAM through its secondary AXI interface. This allows temporal buffers to be stored on a per-stream basis, reducing DDR memory traffic. Signed-off-by: Brandon Brnich Acked-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dt= s/ti/k3-am62a-main.dtsi index 9e5b75a4e88e2..92dd1b96cef4d 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi @@ -1149,6 +1149,7 @@ vpu: video-codec@30210000 { reg =3D <0x00 0x30210000 0x00 0x10000>; clocks =3D <&k3_clks 204 2>; power-domains =3D <&k3_pds 204 TI_SCI_PD_EXCLUSIVE>; + sram =3D <&oc_sram>; }; =20 c7x_0: dsp@7e000000 { --=20 2.43.0 From nobody Tue Sep 29 07:39:38 2026 Received: from mx0a-0002e601.pphosted.com (mx0a-0002e601.pphosted.com [148.163.150.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC4DF44604F; Mon, 10 Aug 2026 20:52:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=148.163.150.75 ARC-Seal: i=2; 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charset="utf-8" The Wave5 VPU supports connecting to on-chip SRAM through its secondary AXI interface. This allows temporal buffers to be stored on a per-stream basis, reducing DDR memory traffic. Signed-off-by: Brandon Brnich Acked-by: Andrew Davis Reviewed-by: Udit Kumar --- arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi b/arch/= arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi index f130c7cb998d7..61e3588bbfdc5 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi @@ -1117,6 +1117,7 @@ vpu: video-codec@30210000 { interrupts =3D ; clocks =3D <&k3_clks 204 2>; power-domains =3D <&k3_pds 204 TI_SCI_PD_EXCLUSIVE>; + sram =3D <&oc_sram>; }; =20 hsm: remoteproc@43c00000 { --=20 2.43.0