arm64: zynqmp: Add support for DLC21 (Smartlynq+) board
DLC21 is used as fast jtag cable. The patch adds support for this board
from PS perspective. The most interesting part on the board is seps525 oled
display. Also i2c, gpio, ethernet, uart, SD and eMMC are tested.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/3d35cd6a11cffc7456e21a88b214cc965734e852.1634231268.git.michal.simek@xilinx.com
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ed3d360..5adf0c8 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -312,6 +312,7 @@
avnet-ultra96-rev1.dtb \
avnet-ultrazedev-cc-v1.0-ultrazedev-som-v1.0.dtb \
zynqmp-a2197-revA.dtb \
+ zynqmp-dlc21-revA.dtb \
zynqmp-e-a2197-00-revA.dtb \
zynqmp-g-a2197-00-revA.dtb \
zynqmp-m-a2197-01-revA.dtb \
diff --git a/arch/arm/dts/zynqmp-dlc21-revA.dts b/arch/arm/dts/zynqmp-dlc21-revA.dts
new file mode 100644
index 0000000..cf0aadf
--- /dev/null
+++ b/arch/arm/dts/zynqmp-dlc21-revA.dts
@@ -0,0 +1,221 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dts file for Xilinx ZynqMP DLC21 revA
+ *
+ * (C) Copyright 2019 - 2021, Xilinx, Inc.
+ *
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+/dts-v1/;
+
+#include "zynqmp.dtsi"
+#include "zynqmp-clk-ccf.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/phy/phy.h>
+#include <include/dt-bindings/gpio/gpio.h>
+
+/ {
+ model = "Smartlynq+ DLC21 RevA";
+ compatible = "xlnx,zynqmp-dlc21-revA", "xlnx,zynqmp-dlc21",
+ "xlnx,zynqmp";
+
+ aliases {
+ ethernet0 = &gem0;
+ gpio0 = &gpio;
+ i2c0 = &i2c0;
+ mmc0 = &sdhci0;
+ mmc1 = &sdhci1;
+ rtc0 = &rtc;
+ serial0 = &uart0;
+ serial2 = &dcc;
+ usb0 = &usb0;
+ usb1 = &usb1;
+ spi0 = &spi0;
+ nvmem0 = &eeprom;
+ };
+
+ chosen {
+ bootargs = "earlycon";
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0 0 0 0x80000000>, <0x8 0 0x3 0x80000000>;
+ };
+
+ si5332_1: si5332_1 { /* clk0_sgmii - u142 */
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <125000000>;
+ };
+
+ si5332_2: si5332_2 { /* clk1_usb - u142 */
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
+};
+
+&sdhci0 { /* emmc MIO 13-23 - with some settings 16GB */
+ status = "okay";
+ non-removable;
+ disable-wp;
+ bus-width = <8>;
+ xlnx,mio_bank = <0>;
+};
+
+&sdhci1 { /* sd1 MIO45-51 cd in place */
+ status = "okay";
+ no-1-8-v;
+ disable-wp;
+ xlnx,mio_bank = <1>;
+};
+
+&psgtr {
+ status = "okay";
+ /* sgmii, usb3 */
+ clocks = <&si5332_1>, <&si5332_2>;
+ clock-names = "ref0", "ref1";
+};
+
+&uart0 { /* uart0 MIO38-39 */
+ status = "okay";
+ u-boot,dm-pre-reloc;
+};
+
+&gem0 {
+ status = "okay";
+ phy-handle = <&phy0>;
+ phy-mode = "sgmii"; /* DTG generates this properly 1512 */
+ is-internal-pcspma;
+ /* phy-reset-gpios = <&gpio 142 GPIO_ACTIVE_LOW>; */
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+};
+
+&gpio {
+ status = "okay";
+ gpio-line-names = "", "", "", "", "", /* 0 - 4 */
+ "", "", "", "", "", /* 5 - 9 */
+ "", "", "", "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", "", /* 20 - 24 */
+ "", "DISP_SCL", "DISP_DC_B", "DISP_RES_B", "DISP_CS_B", /* 25 - 29 */
+ "", "DISP_SDI", "SYSTEM_RST_R_B", "", "I2C0_SCL", /* 30 - 34 */
+ "I2C0_SDA", "", "", "UART0_RXD_IN", "UART0_TXD_OUT", /* 35 - 39 */
+ "", "", "ETH_RESET_B", "", "", /* 40 - 44 */
+ "SD1_CD_B", "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3", /* 45 - 49 */
+ "SD1_CMD", "SD1_CLK", "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", "USB1_CLK", /* 60 - 64 */
+ "USB1_DIR", "USB1_DATA2", "USB1_NXT", "USB1_DATA0", "USB1_DATA1", /* 65 - 69 */
+ "USB1_STP", "USB1_DATA3", "USB1_DATA4", "USB1_DATA5", "USB1_DATA6", /* 70 - 74 */
+ "USB1_DATA7", "ETH_MDC", "ETH_MDIO", /* 75 - 77, MIO end and EMIO start */
+ "", "", /* 78 - 79 */
+ "", "", "", "", "", /* 80 - 84 */
+ "", "", "", "", "", /* 85 -89 */
+ "", "", "", "", "", /* 90 - 94 */
+ "", "VCCO_500_RBIAS", "VCCO_501_RBIAS", "VCCO_502_RBIAS", "VCCO_500_RBIAS_LED", /* 95 - 99 */
+ "VCCO_501_RBIAS_LED", "VCCO_502_RBIAS_LED", "SYSCTLR_VCCINT_EN", "SYSCTLR_VCC_IO_SOC_EN", "SYSCTLR_VCC_PMC_EN", /* 100 - 104 */
+ "", "", "", "", "", /* 105 - 109 */
+ "SYSCTLR_VCCO_500_EN", "SYSCTLR_VCCO_501_EN", "SYSCTLR_VCCO_502_EN", "SYSCTLR_VCCO_503_EN", "SYSCTLR_VCC1V8_EN", /* 110 - 114 */
+ "SYSCTLR_VCC3V3_EN", "SYSCTLR_VCC1V2_DDR4_EN", "SYSCTLR_VCC1V1_LP4_EN", "SYSCTLR_VDD1_1V8_LP4_EN", "SYSCTLR_VADJ_FMC_EN", /* 115 - 119 */
+ "", "", "", "SYSCTLR_UTIL_1V13_EN", "SYSCTLR_UTIL_1V8_EN", /* 120 - 124 */
+ "SYSCTLR_UTIL_2V5_EN", "", "", "", "", /* 125 - 129 */
+ "", "", "SYSCTLR_USBC_SBU1", "SYSCTLR_USBC_SBU2", "", /* 130 - 134 */
+ "", "SYSCTLR_MIC2005_EN_B", "SYSCTLR_MIC2005_FAULT_B", "SYSCTLR_TUSB320_INT_B", "SYSCTLR_TUSB320_ID", /* 135 - 139 */
+ "", "", "SYSCTLR_ETH_RESET_B", "", "", /* 140 - 144 */
+ "", "", "", "", "", /* 145 - 149 */
+ "", "", "", "", "", /* 150 - 154 */
+ "", "", "", "", "", /* 155 - 159 */
+ "", "", "", "", "", /* 160 - 164 */
+ "", "", "", "", "", /* 165 - 169 */
+ "", "", "", ""; /* 170 - 174 */
+};
+
+&i2c0 { /* MIO34/35 */
+ status = "okay";
+ clock-frequency = <400000>;
+
+ jtag_vref: mcp4725@62 {
+ compatible = "microchip,mcp4725";
+ reg = <0x62>;
+ vref-millivolt = <3300>;
+ };
+
+ eeprom: eeprom@50 { /* u46 */
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ };
+ /* u138 - TUSB320IRWBR - for USB-C */
+};
+
+
+&usb0 {
+ status = "okay";
+ xlnx,usb-polarity = <0>;
+ xlnx,usb-reset-mode = <0>;
+};
+
+&dwc3_0 {
+ status = "okay";
+ dr_mode = "peripheral";
+ snps,dis_u2_susphy_quirk;
+ snps,dis_u3_susphy_quirk;
+ maximum-speed = "super-speed";
+ phy-names = "usb3-phy";
+ phys = <&psgtr 1 PHY_TYPE_USB3 0 1>;
+};
+
+&usb1 {
+ status = "disabled"; /* Any unknown issue with USB-C */
+ xlnx,usb-polarity = <0>;
+ xlnx,usb-reset-mode = <0>;
+};
+
+&dwc3_1 {
+ /delete-property/ phy-names ;
+ /delete-property/ phys ;
+ dr_mode = "host";
+ maximum-speed = "high-speed";
+ snps,dis_u2_susphy_quirk ;
+ snps,dis_u3_susphy_quirk ;
+ status = "okay";
+};
+
+&xilinx_ams {
+ status = "okay";
+};
+
+&ams_ps {
+ status = "okay";
+};
+
+&ams_pl {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+ is-decoded-cs = <0>;
+ num-cs = <1>;
+ u-boot,dm-pre-reloc;
+ displayspi@0 {
+ compatible = "syncoam,seps525";
+ u-boot,dm-pre-reloc;
+ reg = <0>;
+ status = "okay";
+ spi-max-frequency = <10000000>;
+ spi-cpol;
+ spi-cpha;
+ rotate = <0>;
+ fps = <50>;
+ buswidth = <8>;
+ txbuflen = <64000>;
+ reset-gpios = <&gpio 0x1c GPIO_ACTIVE_LOW>;
+ dc-gpios = <&gpio 0x1b GPIO_ACTIVE_HIGH>;
+ debug = <0>;
+ };
+};