linux-kernel - [PATCH v4 1/4] arm64: dts: ti: k3-j7200: add DMA support

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Message-ID: <20200923220938.30788-2-grygorii.strashko@ti.com>
Date:   Thu, 24 Sep 2020 01:09:35 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Tero Kristo <t-kristo@...com>, Rob Herring <robh+dt@...nel.org>,
        Nishanth Menon <nm@...com>
CC:     Peter Ujfalusi <peter.ujfalusi@...com>,
        Sekhar Nori <nsekhar@...com>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Suman Anna <s-anna@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH v4 1/4] arm64: dts: ti: k3-j7200: add DMA support

From: Peter Ujfalusi <peter.ujfalusi@...com>

Add the ringacc and udmap nodes for Main and MCU NAVSS.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
---
 arch/arm64/boot/dts/ti/k3-j7200-main.dtsi     | 36 +++++++++++++++
 .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi      | 44 +++++++++++++++++++
 2 files changed, 80 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index 3df49577b06a..a44c3388c1a8 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -93,6 +93,42 @@
 			interrupt-names = "rx_011";
 			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		main_ringacc: ringacc@...00000 {
+			compatible = "ti,am654-navss-ringacc";
+			reg =	<0x00 0x3c000000 0x00 0x400000>,
+				<0x00 0x38000000 0x00 0x400000>,
+				<0x00 0x31120000 0x00 0x100>,
+				<0x00 0x33000000 0x00 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+			ti,num-rings = <1024>;
+			ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <211>;
+			msi-parent = <&main_udmass_inta>;
+		};
+
+		main_udmap: dma-controller@...50000 {
+			compatible = "ti,j721e-navss-main-udmap";
+			reg =	<0x00 0x31150000 0x00 0x100>,
+				<0x00 0x34000000 0x00 0x100000>,
+				<0x00 0x35000000 0x00 0x100000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt";
+			msi-parent = <&main_udmass_inta>;
+			#dma-cells = <1>;
+
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <212>;
+			ti,ringacc = <&main_ringacc>;
+
+			ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
+						<0x0f>, /* TX_HCHAN */
+						<0x10>; /* TX_UHCHAN */
+			ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
+						<0x0b>, /* RX_HCHAN */
+						<0x0c>; /* RX_UHCHAN */
+			ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
+		};
 	};
 
 	main_pmx0: pinctrl@...000 {
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index ec2745e0768e..334c2fb2c082 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -92,4 +92,48 @@
 		ti,sci-dev-id = <137>;
 		ti,interrupt-ranges = <16 960 16>;
 	};
+
+	mcu_navss: bus@...80000 {
+		compatible = "simple-mfd";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>;
+		dma-coherent;
+		dma-ranges;
+		ti,sci-dev-id = <232>;
+
+		mcu_ringacc: ringacc@...00000 {
+			compatible = "ti,am654-navss-ringacc";
+			reg =	<0x00 0x2b800000 0x00 0x400000>,
+				<0x00 0x2b000000 0x00 0x400000>,
+				<0x00 0x28590000 0x00 0x100>,
+				<0x00 0x2a500000 0x00 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+			ti,num-rings = <286>;
+			ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <235>;
+			msi-parent = <&main_udmass_inta>;
+		};
+
+		mcu_udmap: dma-controller@...c0000 {
+			compatible = "ti,j721e-navss-mcu-udmap";
+			reg =	<0x00 0x285c0000 0x00 0x100>,
+				<0x00 0x2a800000 0x00 0x40000>,
+				<0x00 0x2aa00000 0x00 0x40000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt";
+			msi-parent = <&main_udmass_inta>;
+			#dma-cells = <1>;
+
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <236>;
+			ti,ringacc = <&mcu_ringacc>;
+
+			ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
+						<0x0f>; /* TX_HCHAN */
+			ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
+						<0x0b>; /* RX_HCHAN */
+			ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
+		};
+	};
 };
-- 
2.17.1