[PATCH 09/10] arm64: dts: renesas: r9a09g056: Add Mali-G31 GPU node

Prabhakar posted 10 patches 9 months ago
[PATCH 09/10] arm64: dts: renesas: r9a09g056: Add Mali-G31 GPU node
Posted by Prabhakar 9 months ago
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Add the device tree node for the ARM Mali-G31 GPU found on selected
variants of the Renesas RZ/V2N (R9A09G056) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a09g056.dtsi | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
index 93bcd5f203ef..78313ec4935f 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g056.dtsi
@@ -123,6 +123,35 @@ L3_CA55: cache-controller-0 {
 		};
 	};
 
+	gpu_opp_table: opp-table-1 {
+		compatible = "operating-points-v2";
+
+		opp-630000000 {
+			opp-hz = /bits/ 64 <630000000>;
+			opp-microvolt = <800000>;
+		};
+
+		opp-315000000 {
+			opp-hz = /bits/ 64 <315000000>;
+			opp-microvolt = <800000>;
+		};
+
+		opp-157500000 {
+			opp-hz = /bits/ 64 <157500000>;
+			opp-microvolt = <800000>;
+		};
+
+		opp-78750000 {
+			opp-hz = /bits/ 64 <78750000>;
+			opp-microvolt = <800000>;
+		};
+
+		opp-19687500 {
+			opp-hz = /bits/ 64 <19687500>;
+			opp-microvolt = <800000>;
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";
@@ -508,6 +537,28 @@ i2c8: i2c@11c01000 {
 			status = "disabled";
 		};
 
+		gpu: gpu@14850000 {
+			compatible = "renesas,r9a09g056-mali",
+				     "arm,mali-bifrost";
+			reg = <0x0 0x14850000 0x0 0x10000>;
+			interrupts = <GIC_SPI 884 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 885 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 883 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 886 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "job", "mmu", "gpu", "event";
+			clocks = <&cpg CPG_MOD 0xf0>,
+				 <&cpg CPG_MOD 0xf1>,
+				 <&cpg CPG_MOD 0xf2>;
+			clock-names = "gpu", "bus", "bus_ace";
+			resets = <&cpg 0xdd>,
+				 <&cpg 0xde>,
+				 <&cpg 0xdf>;
+			reset-names = "rst", "axi_rst", "ace_rst";
+			power-domains = <&cpg>;
+			operating-points-v2 = <&gpu_opp_table>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@14900000 {
 			compatible = "arm,gic-v3";
 			reg = <0x0 0x14900000 0 0x20000>,
-- 
2.49.0
Re: [PATCH 09/10] arm64: dts: renesas: r9a09g056: Add Mali-G31 GPU node
Posted by Geert Uytterhoeven 8 months, 3 weeks ago
On Wed, 14 May 2025 at 12:15, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Add the device tree node for the ARM Mali-G31 GPU found on selected
> variants of the Renesas RZ/V2N (R9A09G056) SoC.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.17.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds