The J721S2 binding is based on the TI downstream binding in 54b0f2a00d92
("arm64: dts: ti: k3-j721s2-main: add gpu node") from [1] but with updated
compatible strings.

The clock[2] and power[3] indices were verified from docs, but the
source of the interrupt index remains elusive.

[1]: https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel
[2]: https://downloads.ti.com/tisci/esd/latest/5_soc_doc/j721s2/clocks.html
[3]: https://downloads.ti.com/tisci/esd/latest/5_soc_doc/j721s2/devices.html

Signed-off-by: Matt Coster <matt.cos...@imgtec.com>
---
Changes in v5:
- None
- Link to v4: 
https://lore.kernel.org/r/20250320-sets-bxs-4-64-patch-v1-v4-18-d987cf4ca...@imgtec.com
Changes in v4:
- None
- Link to v3: 
https://lore.kernel.org/r/20250310-sets-bxs-4-64-patch-v1-v3-18-143b3dbef...@imgtec.com
Changes in v3:
- None
- Link to v2: 
https://lore.kernel.org/r/20241118-sets-bxs-4-64-patch-v1-v2-21-3fd45d9fb...@imgtec.com
Changes in v2:
- Use normal reg syntax for 64-bit values
- Link to v1: 
https://lore.kernel.org/r/20241105-sets-bxs-4-64-patch-v1-v1-21-4ed30e865...@imgtec.com
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi 
b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 
92bf48fdbeba45ecca8c854db5f72fd3666239c5..a79ac41b2c1f51b7193e6133864428bd35a5e835
 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -2048,4 +2048,16 @@ watchdog8: watchdog@23f0000 {
                /* reserved for MAIN_R5F1_1 */
                status = "reserved";
        };
+
+       gpu: gpu@4e20000000 {
+               compatible = "ti,j721s2-gpu", "img,img-bxs-4-64", 
"img,img-rogue";
+               reg = <0x4e 0x20000000 0x00 0x80000>;
+               clocks = <&k3_clks 130 1>;
+               clock-names = "core";
+               interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
+               power-domains = <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>,
+                               <&k3_pds 373 TI_SCI_PD_EXCLUSIVE>;
+               power-domain-names = "a", "b";
+               dma-coherent;
+       };
 };

-- 
2.49.0

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