xref: /linux/arch/arm/boot/dts/ti/omap/omap3-beagle-ab4.dts (revision cdd5b5a9761fd66d17586e4f4ba6588c70e640ea)
1// SPDX-License-Identifier: GPL-2.0-only
2/dts-v1/;
3
4#include "omap3-beagle.dts"
5
6/ {
7	model = "TI OMAP3 BeagleBoard A to B4";
8	compatible = "ti,omap3-beagle-ab4", "ti,omap3-beagle", "ti,omap3430", "ti,omap3";
9};
10
11/*
12 * Workaround for capacitor C70 issue, see "Boards revision A and < B5"
13 * section at https://elinux.org/BeagleBoard_Community
14 */
15
16/* Unusable as clocksource because of unreliable oscillator */
17&counter32k {
18	status = "disabled";
19};
20
21/* Unusable as clockevent because of unreliable oscillator, allow to idle */
22&timer1_target {
23	/delete-property/ti,no-reset-on-init;
24	/delete-property/ti,no-idle;
25	timer@0 {
26		/delete-property/ti,timer-alwon;
27	};
28};
29
30/* Preferred always-on timer for clocksource */
31&timer12_target {
32	ti,no-reset-on-init;
33	ti,no-idle;
34	timer@0 {
35		/* Always clocked by secure_32k_fck */
36	};
37};
38
39/* Preferred timer for clockevent */
40&timer2_target {
41	ti,no-reset-on-init;
42	ti,no-idle;
43	timer@0 {
44		assigned-clocks = <&gpt2_fck>;
45		assigned-clock-parents = <&sys_ck>;
46	};
47};
48