Re: [PATCH 1/4] arm64: dts: ti: k3-j721s2-main: Add mmio-sram node to main_navss
From: Vignesh Raghavendra
Date: Mon Mar 09 2026 - 03:27:45 EST
On 02/03/26 23:47, Brandon Brnich wrote:
> 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 <b-brnich@xxxxxx>
> ---
> 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/dts/ti/k3-j721s2-main.dtsi
> index 80c51b11ac9f..7b1ba34ab719 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -785,6 +785,14 @@ main_navss: bus@30000000 {
> dma-coherent;
> dma-ranges;
>
> + main_navss_sram: navss-sram@30000000 {
This fails make dtbs_check
> + compatible = "mmio-sram";
> + reg = <0x00 0x30000000 0x00 0x10000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x0 0x00 0x30000000 0x10000>;
> + };
> +
> main_navss_intr: interrupt-controller@310e0000 {
> compatible = "ti,sci-intr";
> reg = <0x00 0x310e0000 0x00 0x4000>;
--
Regards
Vignesh
https://ti.com/opensource