arm64: zynqmp: Add support for Xilinx zcu102

This patch is adding revA, revB and rev1.0. There are also other
revisions between which should be backward compatible with previous
versions. Unfortunately all revs are still in use.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/arm/xilinx.txt

@@ -21,3 +21,8 @@ Additional compatible strings:
 
 - Xilinx 96boards compatible board zcu100
   "xlnx,zynqmp-zcu100-revC", "xlnx,zynqmp-zcu100"
+
+- Xilinx evaluation board zcu102
+  "xlnx,zynqmp-zcu102-revA", "xlnx,zynqmp-zcu102"
+  "xlnx,zynqmp-zcu102-revB", "xlnx,zynqmp-zcu102"
+  "xlnx,zynqmp-zcu102-rev1.0", "xlnx,zynqmp-zcu102"

arch/arm64/boot/dts/xilinx/Makefile

 # SPDX-License-Identifier: GPL-2.0
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-ep108.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu100-revC.dtb
+dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-revA.dtb
+dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-revB.dtb
+dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu102-rev1.0.dtb

arch/arm64/boot/dts/xilinx/zynqmp-zcu102-rev1.0.dts

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Xilinx ZynqMP ZCU102 Rev1.0
+ *
+ * (C) Copyright 2016 - 2018, Xilinx, Inc.
+ *
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+
+#include "zynqmp-zcu102-revB.dts"
+
+/ {
+	model = "ZynqMP ZCU102 Rev1.0";
+	compatible = "xlnx,zynqmp-zcu102-rev1.0", "xlnx,zynqmp-zcu102", "xlnx,zynqmp";
+};
+
+&eeprom {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	board_sn: board-sn@0 {
+		reg = <0x0 0x14>;
+	};
+
+	eth_mac: eth-mac@20 {
+		reg = <0x20 0x6>;
+	};
+
+	board_name: board-name@d0 {
+		reg = <0xd0 0x6>;
+	};
+
+	board_revision: board-revision@e0 {
+		reg = <0xe0 0x3>;
+	};
+};

arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Xilinx ZynqMP ZCU102 RevA
+ *
+ * (C) Copyright 2015 - 2018, Xilinx, Inc.
+ *
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+
+/dts-v1/;
+
+#include "zynqmp.dtsi"
+#include "zynqmp-clk.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "ZynqMP ZCU102 RevA";
+	compatible = "xlnx,zynqmp-zcu102-revA", "xlnx,zynqmp-zcu102", "xlnx,zynqmp";
+
+	aliases {
+		ethernet0 = &gem3;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		mmc0 = &sdhci1;
+		rtc0 = &rtc;
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &dcc;
+	};
+
+	chosen {
+		bootargs = "earlycon";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		sw19 {
+			label = "sw19";
+			gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_DOWN>;
+			gpio-key,wakeup;
+			autorepeat;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		heartbeat_led {
+			label = "heartbeat";
+			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&can1 {
+	status = "okay";
+};
+
+&dcc {
+	status = "okay";
+};
+
+&fpd_dma_chan1 {
+	status = "okay";
+};
+
+&fpd_dma_chan2 {
+	status = "okay";
+};
+
+&fpd_dma_chan3 {
+	status = "okay";
+};
+
+&fpd_dma_chan4 {
+	status = "okay";
+};
+
+&fpd_dma_chan5 {
+	status = "okay";
+};
+
+&fpd_dma_chan6 {
+	status = "okay";
+};
+
+&fpd_dma_chan7 {
+	status = "okay";
+};
+
+&fpd_dma_chan8 {
+	status = "okay";
+};
+
+&gem3 {
+	status = "okay";
+	phy-handle = <&phy0>;
+	phy-mode = "rgmii-id";
+	phy0: phy@21 {
+		reg = <21>;
+		ti,rx-internal-delay = <0x8>;
+		ti,tx-internal-delay = <0xa>;
+		ti,fifo-depth = <0x1>;
+	};
+};
+
+&gpio {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	tca6416_u97: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		/*
+		 * IRQ not connected
+		 * Lines:
+		 * 0 - PS_GTR_LAN_SEL0
+		 * 1 - PS_GTR_LAN_SEL1
+		 * 2 - PS_GTR_LAN_SEL2
+		 * 3 - PS_GTR_LAN_SEL3
+		 * 4 - PCI_CLK_DIR_SEL
+		 * 5 - IIC_MUX_RESET_B
+		 * 6 - GEM3_EXP_RESET_B
+		 * 7, 10 - 17 - not connected
+		 */
+
+		gtr_sel0 {
+			gpio-hog;
+			gpios = <0 0>;
+			output-low; /* PCIE = 0, DP = 1 */
+			line-name = "sel0";
+		};
+		gtr_sel1 {
+			gpio-hog;
+			gpios = <1 0>;
+			output-high; /* PCIE = 0, DP = 1 */
+			line-name = "sel1";
+		};
+		gtr_sel2 {
+			gpio-hog;
+			gpios = <2 0>;
+			output-high; /* PCIE = 0, USB0 = 1 */
+			line-name = "sel2";
+		};
+		gtr_sel3 {
+			gpio-hog;
+			gpios = <3 0>;
+			output-high; /* PCIE = 0, SATA = 1 */
+			line-name = "sel3";
+		};
+	};
+
+	tca6416_u61: gpio@21 {
+		compatible = "ti,tca6416";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		/*
+		 * IRQ not connected
+		 * Lines:
+		 * 0 - VCCPSPLL_EN
+		 * 1 - MGTRAVCC_EN
+		 * 2 - MGTRAVTT_EN
+		 * 3 - VCCPSDDRPLL_EN
+		 * 4 - MIO26_PMU_INPUT_LS
+		 * 5 - PL_PMBUS_ALERT
+		 * 6 - PS_PMBUS_ALERT
+		 * 7 - MAXIM_PMBUS_ALERT
+		 * 10 - PL_DDR4_VTERM_EN
+		 * 11 - PL_DDR4_VPP_2V5_EN
+		 * 12 - PS_DIMM_VDDQ_TO_PSVCCO_ON
+		 * 13 - PS_DIMM_SUSPEND_EN
+		 * 14 - PS_DDR4_VTERM_EN
+		 * 15 - PS_DDR4_VPP_2V5_EN
+		 * 16 - 17 - not connected
+		 */
+	};
+
+	i2c-mux@75 { /* u60 */
+		compatible = "nxp,pca9544";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x75>;
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			/* PS_PMBUS */
+			ina226@40 { /* u76 */
+				compatible = "ti,ina226";
+				reg = <0x40>;
+				shunt-resistor = <5000>;
+			};
+			ina226@41 { /* u77 */
+				compatible = "ti,ina226";
+				reg = <0x41>;
+				shunt-resistor = <5000>;
+			};
+			ina226@42 { /* u78 */
+				compatible = "ti,ina226";
+				reg = <0x42>;
+				shunt-resistor = <5000>;
+			};
+			ina226@43 { /* u87 */
+				compatible = "ti,ina226";
+				reg = <0x43>;
+				shunt-resistor = <5000>;
+			};
+			ina226@44 { /* u85 */
+				compatible = "ti,ina226";
+				reg = <0x44>;
+				shunt-resistor = <5000>;
+			};
+			ina226@45 { /* u86 */
+				compatible = "ti,ina226";
+				reg = <0x45>;
+				shunt-resistor = <5000>;
+			};
+			ina226@46 { /* u93 */
+				compatible = "ti,ina226";
+				reg = <0x46>;
+				shunt-resistor = <5000>;
+			};
+			ina226@47 { /* u88 */
+				compatible = "ti,ina226";
+				reg = <0x47>;
+				shunt-resistor = <5000>;
+			};
+			ina226@4a { /* u15 */
+				compatible = "ti,ina226";
+				reg = <0x4a>;
+				shunt-resistor = <5000>;
+			};
+			ina226@4b { /* u92 */
+				compatible = "ti,ina226";
+				reg = <0x4b>;
+				shunt-resistor = <5000>;
+			};
+		};
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			/* PL_PMBUS */
+			ina226@40 { /* u79 */
+				compatible = "ti,ina226";
+				reg = <0x40>;
+				shunt-resistor = <2000>;
+			};
+			ina226@41 { /* u81 */
+				compatible = "ti,ina226";
+				reg = <0x41>;
+				shunt-resistor = <5000>;
+			};
+			ina226@42 { /* u80 */
+				compatible = "ti,ina226";
+				reg = <0x42>;
+				shunt-resistor = <5000>;
+			};
+			ina226@43 { /* u84 */
+				compatible = "ti,ina226";
+				reg = <0x43>;
+				shunt-resistor = <5000>;
+			};
+			ina226@44 { /* u16 */
+				compatible = "ti,ina226";
+				reg = <0x44>;
+				shunt-resistor = <5000>;
+			};
+			ina226@45 { /* u65 */
+				compatible = "ti,ina226";
+				reg = <0x45>;
+				shunt-resistor = <5000>;
+			};
+			ina226@46 { /* u74 */
+				compatible = "ti,ina226";
+				reg = <0x46>;
+				shunt-resistor = <5000>;
+			};
+			ina226@47 { /* u75 */
+				compatible = "ti,ina226";
+				reg = <0x47>;
+				shunt-resistor = <5000>;
+			};
+		};
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			/* MAXIM_PMBUS - 00 */
+			max15301@a { /* u46 */
+				compatible = "maxim,max15301";
+				reg = <0xa>;
+			};
+			max15303@b { /* u4 */
+				compatible = "maxim,max15303";
+				reg = <0xb>;
+			};
+			max15303@10 { /* u13 */
+				compatible = "maxim,max15303";
+				reg = <0x10>;
+			};
+			max15301@13 { /* u47 */
+				compatible = "maxim,max15301";
+				reg = <0x13>;
+			};
+			max15303@14 { /* u7 */
+				compatible = "maxim,max15303";
+				reg = <0x14>;
+			};
+			max15303@15 { /* u6 */
+				compatible = "maxim,max15303";
+				reg = <0x15>;
+			};
+			max15303@16 { /* u10 */
+				compatible = "maxim,max15303";
+				reg = <0x16>;
+			};
+			max15303@17 { /* u9 */
+				compatible = "maxim,max15303";
+				reg = <0x17>;
+			};
+			max15301@18 { /* u63 */
+				compatible = "maxim,max15301";
+				reg = <0x18>;
+			};
+			max15303@1a { /* u49 */
+				compatible = "maxim,max15303";
+				reg = <0x1a>;
+			};
+			max15303@1d { /* u18 */
+				compatible = "maxim,max15303";
+				reg = <0x1d>;
+			};
+			max15303@20 { /* u8 */
+				compatible = "maxim,max15303";
+				status = "disabled"; /* unreachable */
+				reg = <0x20>;
+			};
+
+			max20751@72 { /* u95 */
+				compatible = "maxim,max20751";
+				reg = <0x72>;
+			};
+			max20751@73 { /* u96 */
+				compatible = "maxim,max20751";
+				reg = <0x73>;
+			};
+		};
+		/* Bus 3 is not connected */
+	};
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	/* PL i2c via PCA9306 - u45 */
+	i2c-mux@74 { /* u34 */
+		compatible = "nxp,pca9548";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x74>;
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			/*
+			 * IIC_EEPROM 1kB memory which uses 256B blocks
+			 * where every block has different address.
+			 *    0 - 256B address 0x54
+			 * 256B - 512B address 0x55
+			 * 512B - 768B address 0x56
+			 * 768B - 1024B address 0x57
+			 */
+			eeprom: eeprom@54 { /* u23 */
+				compatible = "atmel,24c08";
+				reg = <0x54>;
+			};
+		};
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			si5341: clock-generator@36 { /* SI5341 - u69 */
+				reg = <0x36>;
+			};
+
+		};
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			si570_1: clock-generator@5d { /* USER SI570 - u42 */
+				#clock-cells = <0>;
+				compatible = "silabs,si570";
+				reg = <0x5d>;
+				temperature-stability = <50>;
+				factory-fout = <300000000>;
+				clock-frequency = <300000000>;
+			};
+		};
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+			si570_2: clock-generator@5d { /* USER MGT SI570 - u56 */
+				#clock-cells = <0>;
+				compatible = "silabs,si570";
+				reg = <0x5d>;
+				temperature-stability = <50>; /* copy from zc702 */
+				factory-fout = <156250000>;
+				clock-frequency = <148500000>;
+			};
+		};
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+			si5328: clock-generator@69 {/* SI5328 - u20 */
+				reg = <0x69>;
+				/*
+				 * Chip has interrupt present connected to PL
+				 * interrupt-parent = <&>;
+				 * interrupts = <>;
+				 */
+			};
+		};
+		/* 5 - 7 unconnected */
+	};
+
+	i2c-mux@75 {
+		compatible = "nxp,pca9548"; /* u135 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x75>;
+
+		i2c@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+			/* HPC0_IIC */
+		};
+		i2c@1 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <1>;
+			/* HPC1_IIC */
+		};
+		i2c@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <2>;
+			/* SYSMON */
+		};
+		i2c@3 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3>;
+			/* DDR4 SODIMM */
+		};
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+			/* SEP 3 */
+		};
+		i2c@5 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <5>;
+			/* SEP 2 */
+		};
+		i2c@6 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <6>;
+			/* SEP 1 */
+		};
+		i2c@7 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <7>;
+			/* SEP 0 */
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&sata {
+	status = "okay";
+	/* SATA OOB timing settings */
+	ceva,p0-cominit-params = /bits/ 8 <0x18 0x40 0x18 0x28>;
+	ceva,p0-comwake-params = /bits/ 8 <0x06 0x14 0x08 0x0E>;
+	ceva,p0-burst-params = /bits/ 8 <0x13 0x08 0x4A 0x06>;
+	ceva,p0-retry-params = /bits/ 16 <0x96A4 0x3FFC>;
+	ceva,p1-cominit-params = /bits/ 8 <0x18 0x40 0x18 0x28>;
+	ceva,p1-comwake-params = /bits/ 8 <0x06 0x14 0x08 0x0E>;
+	ceva,p1-burst-params = /bits/ 8 <0x13 0x08 0x4A 0x06>;
+	ceva,p1-retry-params = /bits/ 16 <0x96A4 0x3FFC>;
+};
+
+/* SD1 with level shifter */
+&sdhci1 {
+	status = "okay";
+	no-1-8-v;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+/* ULPI SMSC USB3320 */
+&usb0 {
+	status = "okay";
+};
+
+&watchdog0 {
+	status = "okay";
+};

arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revB.dts

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dts file for Xilinx ZynqMP ZCU102 RevB
+ *
+ * (C) Copyright 2016 - 2018, Xilinx, Inc.
+ *
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+
+#include "zynqmp-zcu102-revA.dts"
+
+/ {
+	model = "ZynqMP ZCU102 RevB";
+	compatible = "xlnx,zynqmp-zcu102-revB", "xlnx,zynqmp-zcu102", "xlnx,zynqmp";
+};
+
+&gem3 {
+	phy-handle = <&phyc>;
+	phyc: phy@c {
+		reg = <0xc>;
+		ti,rx-internal-delay = <0x8>;
+		ti,tx-internal-delay = <0xa>;
+		ti,fifo-depth = <0x1>;
+	};
+	/* Cleanup from RevA */
+	/delete-node/ phy@21;
+};
+
+/* Fix collision with u61 */
+&i2c0 {
+	i2c-mux@75 {
+		i2c@2 {
+			max15303@1b { /* u8 */
+				compatible = "maxim,max15303";
+				reg = <0x1b>;
+			};
+			/delete-node/ max15303@20;
+		};
+	};
+};