linux-kernel - [PATCH 01/15] clocksource/drivers/sun4i: Add a compatible for suniv

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Message-Id: <20190509111048.11151-1-daniel.lezcano@linaro.org>
Date:   Thu,  9 May 2019 13:10:34 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org, Mesih Kilinc <mesihkilinc@...il.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Allwinner
        sunXi SoC support)
Subject: [PATCH 01/15] clocksource/drivers/sun4i: Add a compatible for suniv

From: Mesih Kilinc <mesihkilinc@...il.com>

The suniv (new F-series) chip has a timer with less functionality than
the A10 timer, e.g. it has only 3 channels.

Add a new compatible for it. As we didn't use the extra channels on A10
either now, the code needn't to be changed.

The suniv chip is based on ARM926EJ-S CPU, thus it has no architecture timer.

Register sun4i_timer as sched_clock on it.

Signed-off-by: Mesih Kilinc <mesihkilinc@...il.com>
Acked-by: Maxime Ripard <maxime.ripard@...tlin.com>
Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/clocksource/timer-sun4i.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-sun4i.c b/drivers/clocksource/timer-sun4i.c
index 6e0180aaf784..65f38f6ca714 100644
--- a/drivers/clocksource/timer-sun4i.c
+++ b/drivers/clocksource/timer-sun4i.c
@@ -186,7 +186,8 @@ static int __init sun4i_timer_init(struct device_node *node)
 	 */
 	if (of_machine_is_compatible("allwinner,sun4i-a10") ||
 	    of_machine_is_compatible("allwinner,sun5i-a13") ||
-	    of_machine_is_compatible("allwinner,sun5i-a10s"))
+	    of_machine_is_compatible("allwinner,sun5i-a10s") ||
+	    of_machine_is_compatible("allwinner,suniv-f1c100s"))
 		sched_clock_register(sun4i_timer_sched_read, 32,
 				     timer_of_rate(&to));
 
@@ -218,3 +219,5 @@ static int __init sun4i_timer_init(struct device_node *node)
 }
 TIMER_OF_DECLARE(sun4i, "allwinner,sun4i-a10-timer",
 		       sun4i_timer_init);
+TIMER_OF_DECLARE(suniv, "allwinner,suniv-f1c100s-timer",
+		       sun4i_timer_init);
-- 
2.17.1