xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/omap3-beagle-ab4.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun/dts-v1/;
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun#include "omap3-beagle.dts"
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun/ {
7*4882a593Smuzhiyun	model = "TI OMAP3 BeagleBoard A to B4";
8*4882a593Smuzhiyun	compatible = "ti,omap3-beagle-ab4", "ti,omap3-beagle", "ti,omap3430", "ti,omap3";
9*4882a593Smuzhiyun};
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun/*
12*4882a593Smuzhiyun * Workaround for capacitor C70 issue, see "Boards revision A and < B5"
13*4882a593Smuzhiyun * section at https://elinux.org/BeagleBoard_Community
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun/* Unusable as clocksource because of unreliable oscillator */
17*4882a593Smuzhiyun&counter32k {
18*4882a593Smuzhiyun	status = "disabled";
19*4882a593Smuzhiyun};
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun/* Unusable as clockevent because of unreliable oscillator, allow to idle */
22*4882a593Smuzhiyun&timer1_target {
23*4882a593Smuzhiyun	/delete-property/ti,no-reset-on-init;
24*4882a593Smuzhiyun	/delete-property/ti,no-idle;
25*4882a593Smuzhiyun	timer@0 {
26*4882a593Smuzhiyun		/delete-property/ti,timer-alwon;
27*4882a593Smuzhiyun	};
28*4882a593Smuzhiyun};
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun/* Preferred always-on timer for clocksource */
31*4882a593Smuzhiyun&timer12_target {
32*4882a593Smuzhiyun	ti,no-reset-on-init;
33*4882a593Smuzhiyun	ti,no-idle;
34*4882a593Smuzhiyun	timer@0 {
35*4882a593Smuzhiyun		/* Always clocked by secure_32k_fck */
36*4882a593Smuzhiyun	};
37*4882a593Smuzhiyun};
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun/* Preferred timer for clockevent */
40*4882a593Smuzhiyun&timer2_target {
41*4882a593Smuzhiyun	ti,no-reset-on-init;
42*4882a593Smuzhiyun	ti,no-idle;
43*4882a593Smuzhiyun	timer@0 {
44*4882a593Smuzhiyun		assigned-clocks = <&gpt2_fck>;
45*4882a593Smuzhiyun		assigned-clock-parents = <&sys_ck>;
46*4882a593Smuzhiyun	};
47*4882a593Smuzhiyun};
48