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[DO,NOT,MERGE,v3,18/18] arm64: dts: ti: k3-j721s2: Add GPU node

Message ID 20250310-sets-bxs-4-64-patch-v1-v3-18-143b3dbef02f@imgtec.com (mailing list archive)
State New
Headers show
Series Imagination BXS-4-64 MC1 GPU support | expand

Commit Message

Matt Coster March 10, 2025, 1:10 p.m. UTC 
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.coster@imgtec.com>
---
Changes in v3:
- None
- Link to v2: https://lore.kernel.org/r/20241118-sets-bxs-4-64-patch-v1-v2-21-3fd45d9fb0cf@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-v1-21-4ed30e865892@imgtec.com
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

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;
+	};
 };