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a54879a008
Commit 7800064ba5 ("ARM: dts: Add basic dm816x device tree
configuration") added basic devices for dm816x, but I was not able
to test the USB completely because of an unconfigured USB phy, and
I only tested it to make sure the Mentor chips are detected and
clocked without a phy.
After testing the USB with actual devices I noticed a few issues
that should be fixed to avoid confusion:
- The USB id pin on dm8168-evm is hardwired and can be changed
only by software. As there are two USB-A type connectors, let's
start both in host mode instead of otg.
- The Mentor core is configured in such a way on dm8168-evm that
it's not capable of multipoint at least on revision c board
that I have.
- We need ranges for the syscon to properly set up the phy as
children of the SCM syscon area.
- Let's not disable the second interface, the board specific
dts files can do that if really needed. Most boards should
just keep it enabled to ensure the device is idled properly.
Note that also a phy and several musb fixes are still needed to
make the USB to work properly in addition to this fix.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
154 lines
3.2 KiB
Text
154 lines
3.2 KiB
Text
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/dts-v1/;
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#include "dm816x.dtsi"
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/ {
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model = "DM8168 EVM";
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compatible = "ti,dm8168-evm", "ti,dm8168";
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memory {
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device_type = "memory";
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reg = <0x80000000 0x40000000 /* 1 GB */
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0xc0000000 0x40000000>; /* 1 GB */
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};
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/* FDC6331L controlled by SD_POW pin */
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vmmcsd_fixed: fixedregulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "vmmcsd_fixed";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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};
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&dm816x_pinmux {
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mcspi1_pins: pinmux_mcspi1_pins {
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pinctrl-single,pins = <
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DM816X_IOPAD(0x0a94, PIN_INPUT | MUX_MODE0) /* SPI_SCLK */
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DM816X_IOPAD(0x0a98, PIN_OUTPUT | MUX_MODE0) /* SPI_SCS0 */
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DM816X_IOPAD(0x0aa8, PIN_INPUT | MUX_MODE0) /* SPI_D0 */
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DM816X_IOPAD(0x0aac, PIN_INPUT | MUX_MODE0) /* SPI_D1 */
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>;
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};
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usb0_pins: pinmux_usb0_pins {
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pinctrl-single,pins = <
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DM816X_IOPAD(0x0d00, MUX_MODE0) /* USB0_DRVVBUS */
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>;
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};
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usb1_pins: pinmux_usb0_pins {
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pinctrl-single,pins = <
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DM816X_IOPAD(0x0d04, MUX_MODE0) /* USB1_DRVVBUS */
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>;
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};
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};
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&i2c1 {
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extgpio0: pcf8575@20 {
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compatible = "nxp,pcf8575";
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reg = <0x20>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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&i2c2 {
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extgpio1: pcf8575@20 {
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compatible = "nxp,pcf8575";
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reg = <0x20>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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&gpmc {
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ranges = <0 0 0x04000000 0x01000000>; /* CS0: 16MB for NAND */
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nand@0,0 {
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linux,mtd-name= "micron,mt29f2g16aadwp";
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reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
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#address-cells = <1>;
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#size-cells = <1>;
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ti,nand-ecc-opt = "bch8";
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nand-bus-width = <16>;
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gpmc,device-width = <2>;
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gpmc,sync-clk-ps = <0>;
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gpmc,cs-on-ns = <0>;
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gpmc,cs-rd-off-ns = <44>;
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gpmc,cs-wr-off-ns = <44>;
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gpmc,adv-on-ns = <6>;
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gpmc,adv-rd-off-ns = <34>;
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gpmc,adv-wr-off-ns = <44>;
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gpmc,we-on-ns = <0>;
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gpmc,we-off-ns = <40>;
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gpmc,oe-on-ns = <0>;
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gpmc,oe-off-ns = <54>;
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gpmc,access-ns = <64>;
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gpmc,rd-cycle-ns = <82>;
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gpmc,wr-cycle-ns = <82>;
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gpmc,wait-on-read = "true";
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gpmc,wait-on-write = "true";
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gpmc,bus-turnaround-ns = <0>;
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gpmc,cycle2cycle-delay-ns = <0>;
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gpmc,clk-activation-ns = <0>;
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gpmc,wait-monitoring-ns = <0>;
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gpmc,wr-access-ns = <40>;
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gpmc,wr-data-mux-bus-ns = <0>;
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partition@0 {
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label = "X-Loader";
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reg = <0 0x80000>;
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};
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partition@0x80000 {
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label = "U-Boot";
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reg = <0x80000 0x1c0000>;
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};
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partition@0x1c0000 {
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label = "Environment";
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reg = <0x240000 0x40000>;
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};
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partition@0x280000 {
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label = "Kernel";
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reg = <0x280000 0x500000>;
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};
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partition@0x780000 {
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label = "Filesystem";
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reg = <0x780000 0xf880000>;
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};
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};
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};
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&mcspi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&mcspi1_pins>;
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m25p80@0 {
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compatible = "w25x32";
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spi-max-frequency = <48000000>;
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reg = <0>;
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#address-cells = <1>;
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#size-cells = <1>;
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};
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};
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&mmc1 {
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vmmc-supply = <&vmmcsd_fixed>;
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};
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/* At least dm8168-evm rev c won't support multipoint, later may */
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&usb0 {
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pinctrl-names = "default";
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pinctrl-0 = <&usb0_pins>;
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mentor,multipoint = <0>;
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};
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&usb1 {
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pinctrl-names = "default";
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pinctrl-0 = <&usb1_pins>;
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mentor,multipoint = <0>;
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};
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