linux-kernel - [PATCH 1/3] arm64: dts: renesas: r9a07g054: Fillup the GPU node

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Date:   Tue,  8 Mar 2022 22:33:22 +0000
From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 1/3] arm64: dts: renesas: r9a07g054: Fillup the GPU node

Renesas RZ/V2L SoC has Mali-G31 GPU, this patch fills up the GPU node and
adds opp table to RZ/V2L (R9A07G054) SoC DTSI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Reviewed-by: Biju Das <biju.das.jz@...renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a07g054.dtsi | 62 +++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
index 9e730171efa8..e4f1defa0ff8 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
@@ -83,6 +83,50 @@
 		};
 	};
 
+	gpu_opp_table: opp-table-1 {
+		compatible = "operating-points-v2";
+
+		opp-500000000 {
+			opp-hz = /bits/ 64 <500000000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-250000000 {
+			opp-hz = /bits/ 64 <250000000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-200000000 {
+			opp-hz = /bits/ 64 <200000000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-125000000 {
+			opp-hz = /bits/ 64 <125000000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-100000000 {
+			opp-hz = /bits/ 64 <100000000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-62500000 {
+			opp-hz = /bits/ 64 <62500000>;
+			opp-microvolt = <1100000>;
+		};
+
+		opp-50000000 {
+			opp-hz = /bits/ 64 <50000000>;
+			opp-microvolt = <1100000>;
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0", "arm,psci-0.2";
 		method = "smc";
@@ -606,8 +650,24 @@
 		};
 
 		gpu: gpu@...40000 {
+			compatible = "renesas,r9a07g054-mali",
+				     "arm,mali-bifrost";
 			reg = <0x0 0x11840000 0x0 0x10000>;
-			/* place holder */
+			interrupts = <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "job", "mmu", "gpu", "event";
+			clocks = <&cpg CPG_MOD R9A07G054_GPU_CLK>,
+				 <&cpg CPG_MOD R9A07G054_GPU_AXI_CLK>,
+				 <&cpg CPG_MOD R9A07G054_GPU_ACE_CLK>;
+			clock-names = "gpu", "bus", "bus_ace";
+			power-domains = <&cpg>;
+			resets = <&cpg R9A07G054_GPU_RESETN>,
+				 <&cpg R9A07G054_GPU_AXI_RESETN>,
+				 <&cpg R9A07G054_GPU_ACE_RESETN>;
+			reset-names = "rst", "axi_rst", "ace_rst";
+			operating-points-v2 = <&gpu_opp_table>;
 		};
 
 		gic: interrupt-controller@...00000 {
-- 
2.17.1