--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dts file for Xilinx ZynqMP Generic System Controller
+ *
+ * (C) Copyright 2021 - 2022, Xilinx, Inc.
+ * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc.
+ *
+ * Michal Simek <michal.simek@amd.com>
+ */
+/dts-v1/;
+
+#include "zynqmp.dtsi"
+#include "zynqmp-clk-ccf.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
+#include <dt-bindings/phy/phy.h>
+
+/ {
+ model = "ZynqMP Generic System Controller";
+ compatible = "xlnx,zynqmp-sc-revB", "xlnx,zynqmp-sc", "xlnx,zynqmp";
+
+ aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ mmc0 = &sdhci0;
+ mmc1 = &sdhci1;
+ nvmem0 = &eeprom;
+ rtc0 = &rtc;
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &dcc;
+ spi0 = &qspi;
+ spi1 = &spi0;
+ spi2 = &spi1;
+ };
+
+ chosen {
+ bootargs = "earlycon";
+ stdout-path = "serial1:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x80000000>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ autorepeat;
+ fwuen {
+ label = "sw16";
+ gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+ linux,code = <BTN_MISC>;
+ wakeup-source;
+ autorepeat;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ ds40-led {
+ label = "heartbeat";
+ gpios = <&gpio 7 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ ds44-led {
+ label = "status";
+ gpios = <&gpio 8 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ si5332_2: si5332_2 { /* u42 */
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
+
+ pwm-fan {
+ compatible = "pwm-fan";
+ status = "okay";
+ pwms = <&ttc0 2 40000 1>;
+ };
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names = "QSPI_CLK", "QSPI_DQ1", "QSPI_DQ2", "QSPI_DQ3", "QSPI_DQ0", /* 0 - 4 */
+ "QSPI_CS_B", "", "LED1", "LED2", "", /* 5 - 9 */
+ "", "ZU4_TRIGGER", "FWUEN", "EMMC_DAT0", "EMMC_DAT1", /* 10 - 14 */
+ "EMMC_DAT2", "EMMC_DAT3", "EMMC_DAT4", "EMMC_DAT5", "EMMC_DAT6", /* 15 - 19 */
+ "EMMC_DAT7", "EMMC_CMD", "EMMC_CLK", "EMMC_RST_B", "I2C1_SCL", /* 20 - 24 */
+ "I2C1_SDA", "UART0_RXD", "UART0_TXD", "", "", /* 25 - 29 */
+ "", "", "", "", "I2C0_SCL", /* 30 - 34 */
+ "I2C0_SDA", "UART1_TXD", "UART1_RXD", "GEM_TX_CLK", "GEM_TX_D0", /* 35 - 39 */
+ "GEM_TX_D1", "GEM_TX_D2", "GEM_TX_D3", "GEM_TX_CTL", "GEM_RX_CLK", /* 40 - 44 */
+ "GEM_RX_D0", "GEM_RX_D1", "GEM_RX_D2", "GEM_RX_D3", "GEM_RX_CTL", /* 45 - 49 */
+ "GEM_MDC", "GEM_MDIO", "USB0_CLK", "USB0_DIR", "USB0_DATA2", /* 50 - 54 */
+ "USB0_NXT", "USB0_DATA0", "USB0_DATA1", "USB0_STP", "USB0_DATA3", /* 55 - 59 */
+ "USB0_DATA4", "USB0_DATA5", "USB0_DATA6", "USB0_DATA7", "", /* 60 - 64 */
+ "", "", "", "", "", /* 65 - 69 */
+ "", "", "", "", "", /* 70 - 74 */
+ "", "", "ETH_RESET_B", /* 75 - 77, MIO end and EMIO start */
+ "", "", /* 78 - 79 */
+ "", "", "", "", "", /* 80 - 84 */
+ "", "", "", "", "", /* 85 -89 */
+ "", "", "", "", "", /* 90 - 94 */
+ "", "", "", "", "", /* 95 - 99 */
+ "", "", "", "", "", /* 100 - 104 */
+ "", "", "", "", "", /* 105 - 109 */
+ "", "", "", "", "", /* 110 - 114 */
+ "", "", "", "", "", /* 115 - 119 */
+ "", "", "", "", "", /* 120 - 124 */
+ "", "", "", "", "", /* 125 - 129 */
+ "", "", "", "", "", /* 130 - 134 */
+ "", "", "", "", "", /* 135 - 139 */
+ "", "", "", "", "", /* 140 - 144 */
+ "", "", "", "", "", /* 145 - 149 */
+ "", "", "", "", "", /* 150 - 154 */
+ "", "", "", "", "", /* 155 - 159 */
+ "", "", "", "", "", /* 160 - 164 */
+ "", "", "", "", "", /* 165 - 169 */
+ "", "", "", ""; /* 170 - 173 */
+};
+
+&gem1 { /* gem1 MIO38-49, MDIO MIO50/51 */
+ status = "okay";
+ phy-mode = "rgmii-id";
+ phy-handle = <&phy0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gem1_default>;
+
+ mdio: mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@1 {
+ #phy-cells = <1>;
+ compatible = "ethernet-phy-id2000.a231";
+ reg = <1>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
+ ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
+ ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ ti,dp83867-rxctrl-strap-quirk;
+ reset-gpios = <&gpio 77 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <100>;
+ reset-deassert-us = <280>;
+ };
+ };
+};
+
+&i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+ clock-frequency = <100000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c0_default>;
+ pinctrl-1 = <&pinctrl_i2c0_gpio>;
+ scl-gpios = <&gpio 34 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio 35 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+};
+
+&i2c1 { /* i2c1 MIO 24-25 */
+ status = "okay";
+ bootph-all;
+ clock-frequency = <100000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c1_default>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio 24 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio 25 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+
+ /* Use for storing information about SC board */
+ eeprom: eeprom@54 { /* u34 - m24128 16kB */
+ compatible = "st,24c128", "atmel,24c128";
+ reg = <0x54>; /* & 0x5c */
+ bootph-all;
+ };
+};
+
+/* USB 3.0 only */
+&psgtr {
+ status = "okay";
+ /* nc, nc, usb3 */
+ clocks = <&si5332_2>;
+ clock-names = "ref2";
+};
+
+&qspi { /* MIO 0-5 */
+ status = "okay";
+ /* QSPI should also have PINCTRL setup */
+ flash@0 {
+ compatible = "mt25qu512a", "m25p80", "jedec,spi-nor"; /* mt25qu512abb8e12 512Mib */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ spi-max-frequency = <40000000>; /* 40MHz */
+ partition@0 {
+ label = "Image Selector";
+ reg = <0x0 0x80000>; /* 512KB */
+ read-only;
+ lock;
+ };
+ partition@80000 {
+ label = "Image Selector Golden";
+ reg = <0x80000 0x80000>; /* 512KB */
+ read-only;
+ lock;
+ };
+ partition@100000 {
+ label = "Persistent Register";
+ reg = <0x100000 0x20000>; /* 128KB */
+ };
+ partition@120000 {
+ label = "Persistent Register Backup";
+ reg = <0x120000 0x20000>; /* 128KB */
+ };
+ partition@140000 {
+ label = "Open_1";
+ reg = <0x140000 0xC0000>; /* 768KB */
+ };
+ partition@200000 {
+ label = "Image A (FSBL, PMU, ATF, U-Boot)";
+ reg = <0x200000 0xD00000>; /* 13MB */
+ };
+ partition@f00000 {
+ label = "ImgSel Image A Catch";
+ reg = <0xF00000 0x80000>; /* 512KB */
+ read-only;
+ lock;
+ };
+ partition@f80000 {
+ label = "Image B (FSBL, PMU, ATF, U-Boot)";
+ reg = <0xF80000 0xD00000>; /* 13MB */
+ };
+ partition@1c80000 {
+ label = "ImgSel Image B Catch";
+ reg = <0x1C80000 0x80000>; /* 512KB */
+ read-only;
+ lock;
+ };
+ partition@1d00000 {
+ label = "Open_2";
+ reg = <0x1D00000 0x100000>; /* 1MB */
+ };
+ partition@1e00000 {
+ label = "Recovery Image";
+ reg = <0x1E00000 0x200000>; /* 2MB */
+ read-only;
+ lock;
+ };
+ partition@2000000 {
+ label = "Recovery Image Backup";
+ reg = <0x2000000 0x200000>; /* 2MB */
+ read-only;
+ lock;
+ };
+ partition@2200000 {
+ label = "U-Boot storage variables";
+ reg = <0x2200000 0x20000>; /* 128KB */
+ };
+ partition@2220000 {
+ label = "U-Boot storage variables backup";
+ reg = <0x2220000 0x20000>; /* 128KB */
+ };
+ partition@2240000 {
+ label = "SHA256";
+ reg = <0x2240000 0x40000>; /* 256B but 256KB sector */
+ read-only;
+ lock;
+ };
+ partition@2280000 {
+ label = "Secure OS Storage";
+ reg = <0x2280000 0x20000>; /* 128KB */
+ };
+ partition@22A0000 {
+ label = "User";
+ reg = <0x22A0000 0x1d60000>; /* 29.375 MB */
+ };
+ };
+};
+
+&sdhci0 { /* emmc MIO 13-23 - with some settings MTFC16GAPALBH 16GB */
+ status = "okay";
+ non-removable;
+ disable-wp;
+ bus-width = <8>;
+ xlnx,mio-bank = <0>;
+};
+
+&ttc0 {
+ status = "okay";
+ #pwm-cells = <3>;
+};
+
+&uart1 { /* uart0 MIO36-37 */
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1_default>;
+};
+
+&pinctrl0 { /* required by spec */
+ status = "okay";
+
+ pinctrl_uart1_default: uart1-default {
+ conf {
+ groups = "uart1_9_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ drive-strength = <12>;
+ };
+
+ conf-rx {
+ pins = "MIO37";
+ bias-high-impedance;
+ };
+
+ conf-tx {
+ pins = "MIO36";
+ bias-disable;
+ };
+
+ mux {
+ groups = "uart1_9_grp";
+ function = "uart1";
+ };
+ };
+
+ pinctrl_i2c0_default: i2c0-default {
+ mux {
+ groups = "i2c0_8_grp";
+ function = "i2c0";
+ };
+
+ conf {
+ groups = "i2c0_8_grp";
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c0_gpio: i2c0-gpio {
+ mux {
+ groups = "gpio0_34_grp", "gpio0_35_grp";
+ function = "gpio0";
+ };
+
+ conf {
+ groups = "gpio0_34_grp", "gpio0_35_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c1_default: i2c1-default {
+ conf {
+ groups = "i2c1_6_grp";
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+
+ mux {
+ groups = "i2c1_6_grp";
+ function = "i2c1";
+ };
+ };
+
+ pinctrl_i2c1_gpio: i2c1-gpio {
+ conf {
+ groups = "gpio0_24_grp", "gpio0_25_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+
+ mux {
+ groups = "gpio0_24_grp", "gpio0_25_grp";
+ function = "gpio0";
+ };
+ };
+
+ pinctrl_gem1_default: gem1-default {
+ conf {
+ groups = "ethernet1_0_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+
+ conf-rx {
+ pins = "MIO44", "MIO46", "MIO48";
+ bias-high-impedance;
+ low-power-disable;
+ };
+
+ conf-bootstrap {
+ pins = "MIO45", "MIO47", "MIO49";
+ bias-disable;
+ low-power-disable;
+ };
+
+ conf-tx {
+ pins = "MIO38", "MIO39", "MIO40",
+ "MIO41", "MIO42", "MIO43";
+ bias-disable;
+ low-power-enable;
+ };
+
+ conf-mdio {
+ groups = "mdio1_0_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ bias-disable;
+ };
+
+ mux-mdio {
+ function = "mdio1";
+ groups = "mdio1_0_grp";
+ };
+
+ mux {
+ function = "ethernet1";
+ groups = "ethernet1_0_grp";
+ };
+ };
+};