arm64: tegra: Describe interconnect paths on Tegra186

The interface used by clients of the memory controller can be configured
in a number of different ways. Describe this path using the interconnect
bindings to enable the configuration of these parameters.
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra186.dtsi

@@ -60,6 +60,9 @@ ethernet@2490000 {
 		clock-names = "master_bus", "slave_bus", "rx", "tx", "ptp_ref";
 		resets = <&bpmp TEGRA186_RESET_EQOS>;
 		reset-names = "eqos";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_EQOSR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_EQOSW &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_EQOS>;
 		status = "disabled";
 
@@ -139,12 +142,13 @@ agic: interrupt-controller@2a40000 {
 		};
 	};
 
-	memory-controller@2c00000 {
+	mc: memory-controller@2c00000 {
 		compatible = "nvidia,tegra186-mc";
 		reg = <0x0 0x02c00000 0x0 0xb0000>;
 		interrupts = <GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";
 
+		#interconnect-cells = <1>;
 		#address-cells = <2>;
 		#size-cells = <2>;
 
@@ -163,6 +167,8 @@ emc: external-memory-controller@2c60000 {
 			clocks = <&bpmp TEGRA186_CLK_EMC>;
 			clock-names = "emc";
 
+			#interconnect-cells = <0>;
+
 			nvidia,bpmp = <&bpmp>;
 		};
 	};
@@ -335,6 +341,9 @@ sdmmc1: sdhci@3400000 {
 		clock-names = "sdhci";
 		resets = <&bpmp TEGRA186_RESET_SDMMC1>;
 		reset-names = "sdhci";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRA &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_SDMMCWA &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_SDMMC1>;
 		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
 		pinctrl-0 = <&sdmmc1_3v3>;
@@ -361,6 +370,9 @@ sdmmc2: sdhci@3420000 {
 		clock-names = "sdhci";
 		resets = <&bpmp TEGRA186_RESET_SDMMC2>;
 		reset-names = "sdhci";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRAA &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_SDMMCWAA &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_SDMMC2>;
 		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
 		pinctrl-0 = <&sdmmc2_3v3>;
@@ -382,6 +394,9 @@ sdmmc3: sdhci@3440000 {
 		clock-names = "sdhci";
 		resets = <&bpmp TEGRA186_RESET_SDMMC3>;
 		reset-names = "sdhci";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_SDMMCW &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_SDMMC3>;
 		pinctrl-names = "sdmmc-3v3", "sdmmc-1v8";
 		pinctrl-0 = <&sdmmc3_3v3>;
@@ -408,6 +423,9 @@ sdmmc4: sdhci@3460000 {
 		assigned-clock-parents = <&bpmp TEGRA186_CLK_PLLC4_VCO>;
 		resets = <&bpmp TEGRA186_RESET_SDMMC4>;
 		reset-names = "sdhci";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRAB &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_SDMMCWAB &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_SDMMC4>;
 		nvidia,pad-autocal-pull-up-offset-hs400 = <0x05>;
 		nvidia,pad-autocal-pull-down-offset-hs400 = <0x05>;
@@ -436,6 +454,9 @@ hda@3510000 {
 			 <&bpmp TEGRA186_RESET_HDA2CODEC_2X>;
 		reset-names = "hda", "hda2hdmi", "hda2codec_2x";
 		power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISP>;
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_HDAR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_HDAW &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_HDA>;
 		status = "disabled";
 	};
@@ -564,6 +585,9 @@ usb@3530000 {
 		power-domains = <&bpmp TEGRA186_POWER_DOMAIN_XUSBC>,
 				<&bpmp TEGRA186_POWER_DOMAIN_XUSBA>;
 		power-domain-names = "xusb_host", "xusb_ss";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_XUSB_HOSTR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_XUSB_HOSTW &emc>;
+		interconnect-names = "dma-mem", "write";
 		iommus = <&smmu TEGRA186_SID_XUSB_HOST>;
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -786,6 +810,10 @@ pcie@10003000 {
 			 <&bpmp TEGRA186_RESET_PCIEXCLK>;
 		reset-names = "afi", "pex", "pcie_x";
 
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_AFIR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_AFIW &emc>;
+		interconnect-names = "dma-mem", "write";
+
 		iommus = <&smmu TEGRA186_SID_AFI>;
 		iommu-map = <0x0 &smmu TEGRA186_SID_AFI 0x1000>;
 		iommu-map-mask = <0x0>;
@@ -921,6 +949,10 @@ host1x@13e00000 {
 		#size-cells = <1>;
 
 		ranges = <0x15000000 0x0 0x15000000 0x01000000>;
+
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_HOST1XDMAR &emc>;
+		interconnect-names = "dma-mem";
+
 		iommus = <&smmu TEGRA186_SID_HOST1X>;
 
 		dpaux1: dpaux@15040000 {
@@ -992,6 +1024,9 @@ display@15200000 {
 				reset-names = "dc";
 
 				power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISP>;
+				interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR &emc>,
+						<&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
+				interconnect-names = "dma-mem", "read-1";
 				iommus = <&smmu TEGRA186_SID_NVDISPLAY>;
 
 				nvidia,outputs = <&dsia &dsib &sor0 &sor1>;
@@ -1008,6 +1043,9 @@ display@15210000 {
 				reset-names = "dc";
 
 				power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISPB>;
+				interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR &emc>,
+						<&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
+				interconnect-names = "dma-mem", "read-1";
 				iommus = <&smmu TEGRA186_SID_NVDISPLAY>;
 
 				nvidia,outputs = <&dsia &dsib &sor0 &sor1>;
@@ -1024,6 +1062,9 @@ display@15220000 {
 				reset-names = "dc";
 
 				power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISPC>;
+				interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR &emc>,
+						<&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
+				interconnect-names = "dma-mem", "read-1";
 				iommus = <&smmu TEGRA186_SID_NVDISPLAY>;
 
 				nvidia,outputs = <&sor0 &sor1>;
@@ -1056,6 +1097,9 @@ vic@15340000 {
 			reset-names = "vic";
 
 			power-domains = <&bpmp TEGRA186_POWER_DOMAIN_VIC>;
+			interconnects = <&mc TEGRA186_MEMORY_CLIENT_VICSRD &emc>,
+					<&mc TEGRA186_MEMORY_CLIENT_VICSWR &emc>;
+			interconnect-names = "dma-mem", "write";
 			iommus = <&smmu TEGRA186_SID_VIC>;
 		};
 
@@ -1211,6 +1255,11 @@ gpu@17000000 {
 		status = "disabled";
 
 		power-domains = <&bpmp TEGRA186_POWER_DOMAIN_GPU>;
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_GPUSRD &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_GPUSWR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_GPUSRD2 &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_GPUSWR2 &emc>;
+		interconnect-names = "dma-mem", "write-0", "read-1", "write-1";
 	};
 
 	sysram@30000000 {
@@ -1237,6 +1286,11 @@ cpu_bpmp_rx: shmem@4f000 {
 
 	bpmp: bpmp {
 		compatible = "nvidia,tegra186-bpmp";
+		interconnects = <&mc TEGRA186_MEMORY_CLIENT_BPMPR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_BPMPW &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_BPMPDMAR &emc>,
+				<&mc TEGRA186_MEMORY_CLIENT_BPMPDMAW &emc>;
+		interconnect-names = "read", "write", "dma-mem", "dma-write";
 		iommus = <&smmu TEGRA186_SID_BPMP>;
 		mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_DB
 				    TEGRA_HSP_DB_MASTER_BPMP>;