iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: dts: dra7: Add PRU-ICSS interconnect target-module nodes

Browse Source 
The AM57xx family of SoCs contains two identical PRU-ICSS instances
that have a very unique SYSC register. The IPs do not have any
PRCM reset lines unlike those on AM33xx/AM437x SoCs. Add the PRUSS
interconnect target-module nodes with all the required properties.

Each of the PRUSS devices themselves shall be added as child nodes
to the corresponding interconnect node in the future. The PRU-ICSS
instances are only available on AM57xx family of SoCs and are not
supported on DRA7xx family of SoCs in general, so the target module
nodes are added in a separate dtsi file. This new dtsi file is
included in all the AM57xx SoC dtsi files, so the nodes are
automatically inherited and enabled on all AM57xx boards.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Suman Anna 2020-02-27 16:28:37 -06:00 committed by Tony Lindgren
parent 44e66a5d9d
commit ecdeca6d96
5 changed files with 54 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
arch/arm/boot/dts/am57-pruss.dtsi Normal file
View File

@ -0,0 +1,50 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
*
* Common PRUSS data for TI AM57xx platforms
*/
&ocp {
pruss1_tm: target-module@4b226000 {
compatible = "ti,sysc-pruss", "ti,sysc";
reg = <0x4b226000 0x4>,
<0x4b226004 0x4>;
reg-names = "rev", "sysc";
ti,sysc-mask = <(SYSC_PRUSS_STANDBY_INIT |
SYSC_PRUSS_SUB_MWAIT)>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
/* Domains (P, C): coreaon_pwrdm, l4per2_clkdm */
clocks = <&l4per2_clkctrl DRA7_L4PER2_PRUSS1_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x4b200000 0x80000>;
};
pruss2_tm: target-module@4b2a6000 {
compatible = "ti,sysc-pruss", "ti,sysc";
reg = <0x4b2a6000 0x4>,
<0x4b2a6004 0x4>;
reg-names = "rev", "sysc";
ti,sysc-mask = <(SYSC_PRUSS_STANDBY_INIT |
SYSC_PRUSS_SUB_MWAIT)>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
/* Domains (P, C): coreaon_pwrdm, l4per2_clkdm */
clocks = <&l4per2_clkctrl DRA7_L4PER2_PRUSS2_CLKCTRL 0>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x4b280000 0x80000>;
};
};

1
arch/arm/boot/dts/am5718.dtsi
View File

@ -4,6 +4,7 @@
*/
#include "dra72x.dtsi"
#include "am57-pruss.dtsi"
/ {
compatible = "ti,am5718", "ti,dra7";

1
arch/arm/boot/dts/am5728.dtsi
View File

@ -4,6 +4,7 @@
*/
#include "dra74x.dtsi"
#include "am57-pruss.dtsi"
/ {
compatible = "ti,am5728", "ti,dra7";

1
arch/arm/boot/dts/am5748.dtsi
View File

@ -4,6 +4,7 @@
*/
#include "dra76x.dtsi"
#include "am57-pruss.dtsi"
/ {
compatible = "ti,am5748", "ti,dra762", "ti,dra7";

2
arch/arm/boot/dts/dra7.dtsi
View File

@ -143,7 +143,7 @@
* the moment, just use a fake OCP bus entry to represent the whole bus
* hierarchy.
*/
ocp {
ocp: ocp {
compatible = "ti,dra7-l3-noc", "simple-bus";
#address-cells = <1>;
#size-cells = <1>;