linux-kernel - [PATCH v3 7/9] arm64: dts: ti: k3-j721e: DMA support

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Message-ID: <20200123114528.26552-8-peter.ujfalusi@ti.com>
Date:   Thu, 23 Jan 2020 13:45:26 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <t-kristo@...com>, <nm@...com>, <lokeshvutla@...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 v3 7/9] arm64: dts: ti: k3-j721e: 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-j721e-main.dtsi     | 40 +++++++++++++++++
 .../boot/dts/ti/k3-j721e-mcu-wakeup.dtsi      | 45 +++++++++++++++++++
 2 files changed, 85 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 97b194e0bcba..6c909bd98a6b 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -56,6 +56,10 @@ main_navss {
 		#address-cells = <2>;
 		#size-cells = <2>;
 		ranges;
+		dma-coherent;
+		dma-ranges;
+
+		ti,sci-dev-id = <199>;
 
 		main_navss_intr: interrupt-controller1 {
 			compatible = "ti,sci-intr";
@@ -214,6 +218,42 @@ mailbox0_cluster11: mailbox@...8b000 {
 			ti,mbox-num-fifos = <16>;
 			interrupt-parent = <&main_navss_intr>;
 		};
+
+		main_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 = <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 =	<0x0 0x31150000 0x0 0x100>,
+				<0x0 0x34000000 0x0 0x100000>,
+				<0x0 0x35000000 0x0 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: pinmux@...000 {
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index 7cf1490f3928..16c874bfd49a 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -225,4 +225,49 @@ adc {
 			compatible = "ti,am3359-adc";
 		};
 	};
+
+	mcu_navss {
+		compatible = "simple-mfd";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		dma-coherent;
+		dma-ranges;
+
+		ti,sci-dev-id = <232>;
+
+		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 = <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 =	<0x0 0x285c0000 0x0 0x100>,
+				<0x0 0x2a800000 0x0 0x40000>,
+				<0x0 0x2aa00000 0x0 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 */
+		};
+	};
 };
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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