mirror of
https://github.com/AsahiLinux/u-boot
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b8745e7eb4
As per design, all input/rx pins should have fast slew rate and 12mA drive strength. Rest all pins should be slow slew rate and 4mA drive strength. Fix usb nodes as per this and remove setting of slow slew rate for all the usb gorup pins. Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/b245c165f05845c1f3ab41a92c82b7ec1538cee4.1655288171.git.michal.simek@amd.com
450 lines
8.1 KiB
Text
450 lines
8.1 KiB
Text
// SPDX-License-Identifier: GPL-2.0+
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/*
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* dts file for Xilinx ZynqMP zc1751-xm015-dc1
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*
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* (C) Copyright 2015 - 2021, Xilinx, Inc.
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*
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* Michal Simek <michal.simek@xilinx.com>
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*/
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/dts-v1/;
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#include "zynqmp.dtsi"
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#include "zynqmp-clk-ccf.dtsi"
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#include <dt-bindings/phy/phy.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
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/ {
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model = "ZynqMP zc1751-xm015-dc1 RevA";
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compatible = "xlnx,zynqmp-zc1751", "xlnx,zynqmp";
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aliases {
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ethernet0 = &gem3;
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i2c0 = &i2c1;
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mmc0 = &sdhci0;
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mmc1 = &sdhci1;
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rtc0 = &rtc;
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serial0 = &uart0;
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spi0 = &qspi;
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usb0 = &usb0;
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};
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chosen {
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bootargs = "earlycon";
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>;
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};
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clock_si5338_0: clk27 { /* u55 SI5338-GM */
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <27000000>;
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};
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clock_si5338_2: clk26 {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <26000000>;
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};
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clock_si5338_3: clk150 {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <150000000>;
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};
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};
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&fpd_dma_chan1 {
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status = "okay";
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};
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&fpd_dma_chan2 {
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status = "okay";
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};
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&fpd_dma_chan3 {
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status = "okay";
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};
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&fpd_dma_chan4 {
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status = "okay";
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};
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&fpd_dma_chan5 {
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status = "okay";
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};
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&fpd_dma_chan6 {
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status = "okay";
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};
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&fpd_dma_chan7 {
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status = "okay";
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};
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&fpd_dma_chan8 {
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status = "okay";
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};
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&gem3 {
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status = "okay";
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phy-handle = <&phy0>;
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phy-mode = "rgmii-id";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_gem3_default>;
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phy0: ethernet-phy@0 {
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reg = <0>;
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};
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};
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&gpio {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_gpio_default>;
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};
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&gpu {
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status = "okay";
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};
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&i2c1 {
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status = "okay";
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clock-frequency = <400000>;
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pinctrl-names = "default", "gpio";
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pinctrl-0 = <&pinctrl_i2c1_default>;
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pinctrl-1 = <&pinctrl_i2c1_gpio>;
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scl-gpios = <&gpio 36 GPIO_ACTIVE_HIGH>;
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sda-gpios = <&gpio 37 GPIO_ACTIVE_HIGH>;
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eeprom: eeprom@55 {
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compatible = "atmel,24c64"; /* 24AA64 */
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reg = <0x55>;
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};
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};
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&pinctrl0 {
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status = "okay";
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pinctrl_i2c1_default: i2c1-default {
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mux {
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groups = "i2c1_9_grp";
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function = "i2c1";
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};
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conf {
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groups = "i2c1_9_grp";
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bias-pull-up;
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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};
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pinctrl_i2c1_gpio: i2c1-gpio {
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mux {
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groups = "gpio0_36_grp", "gpio0_37_grp";
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function = "gpio0";
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};
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conf {
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groups = "gpio0_36_grp", "gpio0_37_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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};
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pinctrl_uart0_default: uart0-default {
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mux {
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groups = "uart0_8_grp";
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function = "uart0";
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};
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conf {
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groups = "uart0_8_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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conf-rx {
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pins = "MIO34";
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bias-high-impedance;
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};
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conf-tx {
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pins = "MIO35";
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bias-disable;
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};
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};
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pinctrl_usb0_default: usb0-default {
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mux {
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groups = "usb0_0_grp";
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function = "usb0";
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};
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conf {
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groups = "usb0_0_grp";
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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conf-rx {
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pins = "MIO52", "MIO53", "MIO55";
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bias-high-impedance;
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drive-strength = <12>;
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slew-rate = <SLEW_RATE_FAST>;
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};
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conf-tx {
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pins = "MIO54", "MIO56", "MIO57", "MIO58", "MIO59",
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"MIO60", "MIO61", "MIO62", "MIO63";
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bias-disable;
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drive-strength = <4>;
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slew-rate = <SLEW_RATE_SLOW>;
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};
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};
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pinctrl_gem3_default: gem3-default {
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mux {
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function = "ethernet3";
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groups = "ethernet3_0_grp";
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};
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conf {
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groups = "ethernet3_0_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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conf-rx {
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pins = "MIO70", "MIO71", "MIO72", "MIO73", "MIO74",
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"MIO75";
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bias-high-impedance;
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low-power-disable;
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};
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conf-tx {
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pins = "MIO64", "MIO65", "MIO66", "MIO67", "MIO68",
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"MIO69";
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bias-disable;
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low-power-enable;
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};
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mux-mdio {
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function = "mdio3";
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groups = "mdio3_0_grp";
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};
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conf-mdio {
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groups = "mdio3_0_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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bias-disable;
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};
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};
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pinctrl_sdhci0_default: sdhci0-default {
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mux {
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groups = "sdio0_0_grp";
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function = "sdio0";
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};
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conf {
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groups = "sdio0_0_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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bias-disable;
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};
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mux-cd {
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groups = "sdio0_cd_0_grp";
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function = "sdio0_cd";
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};
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conf-cd {
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groups = "sdio0_cd_0_grp";
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bias-high-impedance;
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bias-pull-up;
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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mux-wp {
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groups = "sdio0_wp_0_grp";
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function = "sdio0_wp";
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};
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conf-wp {
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groups = "sdio0_wp_0_grp";
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bias-high-impedance;
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bias-pull-up;
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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};
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pinctrl_sdhci1_default: sdhci1-default {
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mux {
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groups = "sdio1_0_grp";
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function = "sdio1";
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};
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conf {
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groups = "sdio1_0_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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bias-disable;
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};
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mux-cd {
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groups = "sdio1_cd_0_grp";
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function = "sdio1_cd";
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};
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conf-cd {
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groups = "sdio1_cd_0_grp";
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bias-high-impedance;
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bias-pull-up;
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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mux-wp {
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groups = "sdio1_wp_0_grp";
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function = "sdio1_wp";
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};
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conf-wp {
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groups = "sdio1_wp_0_grp";
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bias-high-impedance;
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bias-pull-up;
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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};
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pinctrl_gpio_default: gpio-default {
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mux {
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function = "gpio0";
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groups = "gpio0_38_grp";
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};
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conf {
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groups = "gpio0_38_grp";
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bias-disable;
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slew-rate = <SLEW_RATE_SLOW>;
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power-source = <IO_STANDARD_LVCMOS18>;
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};
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};
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};
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&psgtr {
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status = "okay";
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/* dp, usb3, sata */
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clocks = <&clock_si5338_0>, <&clock_si5338_2>, <&clock_si5338_3>;
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clock-names = "ref1", "ref2", "ref3";
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};
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&qspi {
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status = "okay";
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flash@0 {
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compatible = "m25p80", "jedec,spi-nor"; /* Micron MT25QU512ABB8ESF */
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x0>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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spi-max-frequency = <108000000>; /* Based on DC1 spec */
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partition@0 { /* for testing purpose */
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label = "qspi-fsbl-uboot";
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reg = <0x0 0x100000>;
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};
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partition@100000 { /* for testing purpose */
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label = "qspi-linux";
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reg = <0x100000 0x500000>;
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};
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partition@600000 { /* for testing purpose */
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label = "qspi-device-tree";
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reg = <0x600000 0x20000>;
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};
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partition@620000 { /* for testing purpose */
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label = "qspi-rootfs";
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reg = <0x620000 0x5E0000>;
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};
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};
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};
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&rtc {
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status = "okay";
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};
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&sata {
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status = "okay";
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/* SATA phy OOB timing settings */
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ceva,p0-cominit-params = /bits/ 8 <0x1B 0x4D 0x18 0x28>;
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ceva,p0-comwake-params = /bits/ 8 <0x06 0x19 0x08 0x0E>;
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ceva,p0-burst-params = /bits/ 8 <0x13 0x08 0x4A 0x06>;
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ceva,p0-retry-params = /bits/ 16 <0x96A4 0x3FFC>;
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ceva,p1-cominit-params = /bits/ 8 <0x1B 0x4D 0x18 0x28>;
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ceva,p1-comwake-params = /bits/ 8 <0x06 0x19 0x08 0x0E>;
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ceva,p1-burst-params = /bits/ 8 <0x13 0x08 0x4A 0x06>;
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ceva,p1-retry-params = /bits/ 16 <0x96A4 0x3FFC>;
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phy-names = "sata-phy";
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phys = <&psgtr 3 PHY_TYPE_SATA 1 3>;
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};
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/* eMMC */
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&sdhci0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdhci0_default>;
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bus-width = <8>;
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xlnx,mio-bank = <0>;
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};
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/* SD1 with level shifter */
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&sdhci1 {
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status = "okay";
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/*
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* This property should be removed for supporting UHS mode
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*/
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no-1-8-v;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdhci1_default>;
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xlnx,mio-bank = <1>;
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};
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&uart0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart0_default>;
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};
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/* ULPI SMSC USB3320 */
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&usb0 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usb0_default>;
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phy-names = "usb3-phy";
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phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
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};
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&dwc3_0 {
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status = "okay";
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dr_mode = "host";
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snps,usb3_lpm_capable;
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maximum-speed = "super-speed";
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};
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&zynqmp_dpdma {
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status = "okay";
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};
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&zynqmp_dpsub {
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status = "okay";
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phy-names = "dp-phy0", "dp-phy1";
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phys = <&psgtr 1 PHY_TYPE_DP 0 0>,
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<&psgtr 0 PHY_TYPE_DP 1 1>;
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};
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