[PATCH v3 07/18] arm64: dts: mediatek: mt8192: Add GPU nodes

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Tue Feb 28 02:47:30 PST 2023


From: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>

The MediaTek MT8192 includes a Mali-G57 GPU supported in Panfrost. Add
the GPU node to the device tree to enable 3D acceleration.

The GPU node is disabled by default. It should be enabled by board with
its power supplies correctly assigned.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
[nfraprado: removed sram supply, tweaked opp node name, adjusted commit message]
Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>
[wenst@: disable GPU by default; adjusted prefix; split out board change]
Signed-off-by: Chen-Yu Tsai <wenst at chromium.org>
[Angelo: cosmetic fixes]
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst at chromium.org>
---
 arch/arm64/boot/dts/mediatek/mt8192.dtsi | 107 +++++++++++++++++++++++
 1 file changed, 107 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index 87b91c8feaf9..34631adc52c6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -312,6 +312,91 @@ timer: timer {
 		clock-frequency = <13000000>;
 	};
 
+	gpu_opp_table: opp-table-0 {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-358000000 {
+			opp-hz = /bits/ 64 <358000000>;
+			opp-microvolt = <606250>;
+		};
+
+		opp-399000000 {
+			opp-hz = /bits/ 64 <399000000>;
+			opp-microvolt = <618750>;
+		};
+
+		opp-440000000 {
+			opp-hz = /bits/ 64 <440000000>;
+			opp-microvolt = <631250>;
+		};
+
+		opp-482000000 {
+			opp-hz = /bits/ 64 <482000000>;
+			opp-microvolt = <643750>;
+		};
+
+		opp-523000000 {
+			opp-hz = /bits/ 64 <523000000>;
+			opp-microvolt = <656250>;
+		};
+
+		opp-564000000 {
+			opp-hz = /bits/ 64 <564000000>;
+			opp-microvolt = <668750>;
+		};
+
+		opp-605000000 {
+			opp-hz = /bits/ 64 <605000000>;
+			opp-microvolt = <681250>;
+		};
+
+		opp-647000000 {
+			opp-hz = /bits/ 64 <647000000>;
+			opp-microvolt = <693750>;
+		};
+
+		opp-688000000 {
+			opp-hz = /bits/ 64 <688000000>;
+			opp-microvolt = <706250>;
+		};
+
+		opp-724000000 {
+			opp-hz = /bits/ 64 <724000000>;
+			opp-microvolt = <725000>;
+		};
+
+		opp-748000000 {
+			opp-hz = /bits/ 64 <748000000>;
+			opp-microvolt = <737500>;
+		};
+
+		opp-772000000 {
+			opp-hz = /bits/ 64 <772000000>;
+			opp-microvolt = <750000>;
+		};
+
+		opp-795000000 {
+			opp-hz = /bits/ 64 <795000000>;
+			opp-microvolt = <762500>;
+		};
+
+		opp-819000000 {
+			opp-hz = /bits/ 64 <819000000>;
+			opp-microvolt = <775000>;
+		};
+
+		opp-843000000 {
+			opp-hz = /bits/ 64 <843000000>;
+			opp-microvolt = <787500>;
+		};
+
+		opp-866000000 {
+			opp-hz = /bits/ 64 <866000000>;
+			opp-microvolt = <800000>;
+		};
+	};
+
 	soc {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -1266,6 +1351,28 @@ mmc1: mmc at 11f70000 {
 			status = "disabled";
 		};
 
+		gpu: gpu at 13000000 {
+			compatible = "mediatek,mt8192-mali", "arm,mali-valhall-jm";
+			reg = <0 0x13000000 0 0x4000>;
+			interrupts = <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>;
+			interrupt-names = "job", "mmu", "gpu";
+
+			clocks = <&apmixedsys CLK_APMIXED_MFGPLL>;
+
+			power-domains = <&spm MT8192_POWER_DOMAIN_MFG2>,
+					<&spm MT8192_POWER_DOMAIN_MFG3>,
+					<&spm MT8192_POWER_DOMAIN_MFG4>,
+					<&spm MT8192_POWER_DOMAIN_MFG5>,
+					<&spm MT8192_POWER_DOMAIN_MFG6>;
+			power-domain-names = "core0", "core1", "core2", "core3", "core4";
+
+			operating-points-v2 = <&gpu_opp_table>;
+
+			status = "disabled";
+		};
+
 		mfgcfg: clock-controller at 13fbf000 {
 			compatible = "mediatek,mt8192-mfgcfg";
 			reg = <0 0x13fbf000 0 0x1000>;
-- 
2.39.2




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