linux-kernel - [PATCH v2 09/12] ARM: dts: aspeed: ast2600: Add XDMA Engine

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Date:   Thu,  5 Dec 2019 11:15:09 -0600
From:   Eddie James <eajames@...ux.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, jason@...edaemon.net,
        linux-aspeed@...ts.ozlabs.org, maz@...nel.org, robh+dt@...nel.org,
        tglx@...utronix.de, mark.rutland@....com, joel@....id.au,
        andrew@...id.au
Subject: [PATCH v2 09/12] ARM: dts: aspeed: ast2600: Add XDMA Engine

Add a node for the XDMA engine with all the necessary information. Also
add a simple syscon node for the SDRAM memory controller.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
Changes since v1:
 - Add a syscon SDRAM controller
 - Add various properties to XDMA node

 arch/arm/boot/dts/aspeed-g6.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index ead336e..514d685 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -3,6 +3,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/ast2600-clock.h>
+#include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
 
 / {
 	model = "Aspeed BMC";
@@ -265,6 +266,11 @@
 			status = "disabled";
 		};
 
+		sdmc: sdram@...e0000 {
+			compatible = "syscon";
+			reg = <0x1e6e0000 0xb8>;
+		};
+
 		apb {
 			compatible = "simple-bus";
 			#address-cells = <1>;
@@ -311,6 +317,19 @@
 				quality = <100>;
 			};
 
+			xdma: xdma@...e7000 {
+				compatible = "aspeed,ast2600-xdma";
+				reg = <0x1e6e7000 0x100>;
+				clocks = <&syscon ASPEED_CLK_GATE_BCLK>;
+				resets = <&syscon ASPEED_RESET_DEV_XDMA>;
+				interrupts-extended = <&gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+						      <&scu_ic0 ASPEED_AST2600_SCU_IC0_PCIE_PERST_LO_TO_HI>;
+				pcie-device = "bmc";
+				scu = <&syscon>;
+				sdmc = <&sdmc>;
+				status = "disabled";
+			};
+
 			gpio0: gpio@...80000 {
 				#gpio-cells = <2>;
 				gpio-controller;
-- 
1.8.3.1