openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: ARM: dts: Configure interconnect target module for am3517sgx 

Based on Tony Lindgren's work for omap34xx, this patch applies the same
functionality to the AM3517.

The following can be tested via sysfs with the following to ensure the SGX
module gets enabled and disabled properly:

0x00010201

Bus error

Cc: Filip Matijević <filip.matijevic.pz@gmail.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: moaz korena <moaz@korena.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Cc: Philipp Rossak <embed3d@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
[tony@atomide.com: updated subject, dropped rstctrl info]
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adam Ford 2019-08-26 08:47:09 -07:00 committed by Tony Lindgren
parent 3b72fc895a
commit 6cb0ac0fb9
1 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
arch/arm/boot/dts/am3517.dtsi
View File

@ -88,6 +88,30 @@ hecc: can@5c050000 {
interrupts = <24>;
clocks = <&hecc_ck>;
};
/*
* On am3517 the OCP registers do not seem to be accessible
* similar to the omap34xx. Maybe SGX is permanently set to
* "OCP bypass mode", or maybe there is OCP_SYSCONFIG that is
* write-only at 0x50000e10. We detect SGX based on the SGX
* revision register instead of the unreadable OCP revision
* register.
*/
sgx_module: target-module@50000000 {
compatible = "ti,sysc-omap2", "ti,sysc";
reg = <0x50000014 0x4>;
reg-names = "rev";
clocks = <&sgx_fck>, <&sgx_ick>;
clock-names = "fck", "ick";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x50000000 0x4000>;
/*
* Closed source PowerVR driver, no child device
* binding or driver in mainline
*/
};
};
};