linux-kernel - [PATCH 3/9] arm64: dts: ti: k3-am65: DMA support

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Message-ID: <20191112143301.3168-4-peter.ujfalusi@ti.com>
Date:   Tue, 12 Nov 2019 16:32:55 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <t-kristo@...com>, <nm@...com>
CC:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/9] arm64: dts: ti: k3-am65: DMA support

Add the ringacc and udmap nodes for main and mcu NAVSS.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 39 ++++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi  | 46 ++++++++++++++++++++++++
 2 files changed, 85 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index a125d66dd552..be841fc44b76 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -379,6 +379,10 @@ cbass_main_navss: navss@...00000 {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+		dma-coherent;
+		dma-ranges;
+
+		ti,sci-dev-id = <118>;
 
 		intr_main_navss: interrupt-controller1 {
 			compatible = "ti,sci-intr";
@@ -527,6 +531,41 @@ mailbox0_cluster11: mailbox@...8b000 {
 			ti,mbox-num-fifos = <16>;
 			interrupt-parent = <&intr_main_navss>;
 		};
+
+		ringacc: ringacc@...00000 {
+			compatible = "ti,am654-navss-ringacc";
+			reg =	<0x0 0x3c000000 0x0 0x400000>,
+				<0x0 0x38000000 0x0 0x400000>,
+				<0x0 0x31120000 0x0 0x100>,
+				<0x0 0x33000000 0x0 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+			ti,num-rings = <818>;
+			ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */
+			ti,dma-ring-reset-quirk;
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <187>;
+			msi-parent = <&inta_main_udmass>;
+		};
+
+		main_udmap: dma-controller@...50000 {
+			compatible = "ti,am654-navss-main-udmap";
+			reg =	<0x0 0x31150000 0x0 0x100>,
+				<0x0 0x34000000 0x0 0x100000>,
+				<0x0 0x35000000 0x0 0x100000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt";
+			msi-parent = <&inta_main_udmass>;
+			#dma-cells = <1>;
+
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <188>;
+			ti,ringacc = <&ringacc>;
+
+			ti,sci-rm-range-tchan = <0x1>, /* TX_HCHAN */
+						<0x2>; /* TX_CHAN */
+			ti,sci-rm-range-rchan = <0x4>, /* RX_HCHAN */
+						<0x5>; /* RX_CHAN */
+			ti,sci-rm-range-rflow = <0x6>; /* GP RFLOW */
+		};
 	};
 
 	main_gpio0:  main_gpio0@...000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 7bdf5342f58f..27fc73f94cf9 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -95,4 +95,50 @@ adc {
 			compatible = "ti,am654-adc", "ti,am3359-adc";
 		};
 	};
+
+	cbass_mcu_navss: navss@...80000 {
+		compatible = "simple-mfd";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		dma-coherent;
+		dma-ranges;
+
+		ti,sci-dev-id = <119>;
+
+		mcu_ringacc: ringacc@...00000 {
+			compatible = "ti,am654-navss-ringacc";
+			reg =	<0x0 0x2b800000 0x0 0x400000>,
+				<0x0 0x2b000000 0x0 0x400000>,
+				<0x0 0x28590000 0x0 0x100>,
+				<0x0 0x2a500000 0x0 0x40000>;
+			reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
+			ti,num-rings = <286>;
+			ti,sci-rm-range-gp-rings = <0x2>; /* GP ring range */
+			ti,dma-ring-reset-quirk;
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <195>;
+			msi-parent = <&inta_main_udmass>;
+		};
+
+		mcu_udmap: dma-controller@...c0000 {
+			compatible = "ti,am654-navss-mcu-udmap";
+			reg =	<0x0 0x285c0000 0x0 0x100>,
+				<0x0 0x2a800000 0x0 0x40000>,
+				<0x0 0x2aa00000 0x0 0x40000>;
+			reg-names = "gcfg", "rchanrt", "tchanrt";
+			msi-parent = <&inta_main_udmass>;
+			#dma-cells = <1>;
+
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <194>;
+			ti,ringacc = <&mcu_ringacc>;
+
+			ti,sci-rm-range-tchan = <0x1>, /* TX_HCHAN */
+						<0x2>; /* TX_CHAN */
+			ti,sci-rm-range-rchan = <0x3>, /* RX_HCHAN */
+						<0x4>; /* RX_CHAN */
+			ti,sci-rm-range-rflow = <0x5>; /* GP RFLOW */
+		};
+	};
 };
-- 
Peter

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