alistair23-linux/arch/arm/boot/dts/keystone-k2l-evm.dts
Sam Nelson 99663d4ef3 ARM: dts: keystone-k2l-evm: Add and enable common DSP CMA memory pool
A common CMA memory pool reserved memory node is added, and is attached
to all the DSP nodes through the 'memory-region' property on the 66AK2L
EVM board. This area will be used for allocating virtio rings and buffers.
The common node allows the DSP Memory Protection and Address Extension
(MPAX) module to be configured uniformly across all the DSP processors.

The reserved memory node and all the user DSP nodes are also marked okay
to enable the DSPs on the 66AK2L EVM board.

Signed-off-by: Sam Nelson <sam.nelson@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2017-07-30 20:50:06 -07:00

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/*
* Copyright 2014 Texas Instruments, Inc.
*
* Keystone 2 Lamarr EVM device tree
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/dts-v1/;
#include "keystone.dtsi"
#include "keystone-k2l.dtsi"
/ {
compatible = "ti,k2l-evm", "ti,k2l", "ti,keystone";
model = "Texas Instruments Keystone 2 Lamarr EVM";
reserved-memory {
#address-cells = <2>;
#size-cells = <2>;
ranges;
dsp_common_memory: dsp-common-memory@81f800000 {
compatible = "shared-dma-pool";
reg = <0x00000008 0x1f800000 0x00000000 0x800000>;
reusable;
status = "okay";
};
};
soc {
clocks {
refclksys: refclksys {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <122880000>;
clock-output-names = "refclk-sys";
};
};
};
};
&usb_phy {
status = "okay";
};
&keystone_usb0 {
status = "okay";
};
&usb0 {
dr_mode = "host";
};
&i2c0 {
dtt@50 {
compatible = "at,24c1024";
reg = <0x50>;
};
};
&aemif {
cs0 {
#address-cells = <2>;
#size-cells = <1>;
clock-ranges;
ranges;
ti,cs-chipselect = <0>;
/* all timings in nanoseconds */
ti,cs-min-turnaround-ns = <12>;
ti,cs-read-hold-ns = <6>;
ti,cs-read-strobe-ns = <23>;
ti,cs-read-setup-ns = <9>;
ti,cs-write-hold-ns = <8>;
ti,cs-write-strobe-ns = <23>;
ti,cs-write-setup-ns = <8>;
nand@0,0 {
compatible = "ti,keystone-nand","ti,davinci-nand";
#address-cells = <1>;
#size-cells = <1>;
reg = <0 0 0x4000000
1 0 0x0000100>;
ti,davinci-chipselect = <0>;
ti,davinci-mask-ale = <0x2000>;
ti,davinci-mask-cle = <0x4000>;
ti,davinci-mask-chipsel = <0>;
nand-ecc-mode = "hw";
ti,davinci-ecc-bits = <4>;
nand-on-flash-bbt;
partition@0 {
label = "u-boot";
reg = <0x0 0x100000>;
read-only;
};
partition@100000 {
label = "params";
reg = <0x100000 0x80000>;
read-only;
};
partition@180000 {
label = "ubifs";
reg = <0x180000 0x7FE80000>;
};
};
};
};
&spi0 {
nor_flash: n25q128a11@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "Micron,n25q128a11";
spi-max-frequency = <54000000>;
m25p,fast-read;
reg = <0>;
partition@0 {
label = "u-boot-spl";
reg = <0x0 0x80000>;
read-only;
};
partition@1 {
label = "misc";
reg = <0x80000 0xf80000>;
};
};
};
&mdio {
status = "ok";
ethphy0: ethernet-phy@0 {
compatible = "marvell,88E1514", "marvell,88E1510", "ethernet-phy-ieee802.3-c22";
reg = <0>;
};
ethphy1: ethernet-phy@1 {
compatible = "marvell,88E1514", "marvell,88E1510", "ethernet-phy-ieee802.3-c22";
reg = <1>;
};
};
&dsp0 {
memory-region = <&dsp_common_memory>;
status = "okay";
};
&dsp1 {
memory-region = <&dsp_common_memory>;
status = "okay";
};
&dsp2 {
memory-region = <&dsp_common_memory>;
status = "okay";
};
&dsp3 {
memory-region = <&dsp_common_memory>;
status = "okay";
};