Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit eed0de27 authored by Santosh Shilimkar's avatar Santosh Shilimkar Committed by Benoit Cousson
Browse files

ARM: OMAP4: Add local timer support for Device Tree 



Add cortex-a9 local timer support for all OMAP4 based
SOCs using DT.

Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: default avatarFelipe Balbi <balbi@ti.com>
Signed-off-by: default avatarBenoit Cousson <b-cousson@ti.com>
parent 926fd45b

arch/arm/boot/dts/omap4.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -45,6 +45,12 @@ 
		cache-level = <2>;

	};



	local-timer@0x48240600 {

		compatible = "arm,cortex-a9-twd-timer";

		reg = <0x48240600 0x20>;

		interrupts = <1 13 0x304>;

	};



	/*

	 * The soc node represents the soc top level view. It is uses for IPs

	 * that are not memory mapped in the MPU view or for the MPU itself.

arch/arm/mach-omap2/timer.c

+6 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
#include <linux/clocksource.h>

#include <linux/clockchips.h>

#include <linux/slab.h>

#include <linux/of.h>



#include <asm/mach/time.h>

#include <plat/dmtimer.h>
@@ -386,6 +387,11 @@ static void __init omap4_timer_init(void) 
	if (omap_rev() != OMAP4430_REV_ES1_0) {

		int err;



		if (of_have_populated_dt()) {

			twd_local_timer_of_register();

			return;

		}



		err = twd_local_timer_register(&twd_local_timer);

		if (err)

			pr_err("twd_local_timer_register failed %d\n", err);