linux-kernel - [PATCH 1/7] arm64: dts: qcom: sm8450: Add gpi

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Message-Id: <20220414101630.1189052-2-vkoul@kernel.org>
Date:   Thu, 14 Apr 2022 15:46:24 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/7] arm64: dts: qcom: sm8450: Add gpi_dma nodes

GPI DMA can be used for DMA operations for QUP devices, so add the three
gpi_dma insances found in this SoC

Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 67 ++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index 934e29b9e153..bfbb6e04fcb4 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-sm8450.h>
 #include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/dma/qcom-gpi.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/mailbox/qcom-ipcc.h>
 #include <dt-bindings/power/qcom-rpmpd.h>
@@ -687,6 +688,50 @@ gcc: clock-controller@...000 {
 			clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
 		};
 
+		gpi_dma2: dma-controller@...000 {
+			compatible = "qcom,sm8450-gpi-dma";
+			#dma-cells = <3>;
+			reg = <0 0x800000 0 0x60000>;
+			interrupts = <GIC_SPI 588 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 589 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 590 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 591 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 592 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 593 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 594 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 595 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 596 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 597 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 598 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 599 IRQ_TYPE_LEVEL_HIGH>;
+			dma-channels = <12>;
+			dma-channel-mask = <0x7e>;
+			iommus = <&apps_smmu 0x496 0x0>;
+			status = "disabled";
+		};
+
+		gpi_dma0: dma-controller@...000 {
+			compatible = "qcom,sm8450-gpi-dma";
+			#dma-cells = <3>;
+			reg = <0 0x900000 0 0x60000>;
+			interrupts = <GIC_SPI 244 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>;
+			dma-channels = <12>;
+			dma-channel-mask = <0x7e>;
+			iommus = <&apps_smmu 0x5b6 0x0>;
+			status = "disabled";
+		};
+
 		qupv3_id_0: geniqup@...000 {
 			compatible = "qcom,geni-se-qup";
 			reg = <0x0 0x009c0000 0x0 0x2000>;
@@ -712,6 +757,28 @@ uart7: serial@...000 {
 			};
 		};
 
+		gpi_dma1: dma-controller@...000 {
+			compatible = "qcom,sm8450-gpi-dma";
+			#dma-cells = <3>;
+			reg = <0 0xa00000 0 0x60000>;
+			interrupts = <GIC_SPI 279 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 280 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 281 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 293 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 294 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 295 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 296 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 297 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 298 IRQ_TYPE_LEVEL_HIGH>;
+			dma-channels = <12>;
+			dma-channel-mask = <0x7e>;
+			iommus = <&apps_smmu 0x56 0x0>;
+			status = "disabled";
+		};
+
 		qupv3_id_1: geniqup@...000 {
 			compatible = "qcom,geni-se-qup";
 			reg = <0x0 0x00ac0000 0x0 0x6000>;
-- 
2.34.1