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From: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>
To: mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org
Cc: Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	John Stultz <johnstul-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
	linux ARM
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: [PATCH 4/7] clocksource: time-armada-370-xp converted to clk framework
Date: Thu, 15 Nov 2012 22:28:23 +0100	[thread overview]
Message-ID: <1353014906-31566-5-git-send-email-andrew@lunn.ch> (raw)
In-Reply-To: <1353014906-31566-1-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>

From: Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>

Signed-off-by: Gregory CLEMENT <gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
cc: John Stultz <johnstul-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
---
 arch/arm/boot/dts/armada-370-db.dts      |    4 ----
 arch/arm/boot/dts/armada-370-xp.dtsi     |    1 +
 drivers/clocksource/time-armada-370-xp.c |   11 ++++++-----
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts
index fffd5c2..4a31b03 100644
--- a/arch/arm/boot/dts/armada-370-db.dts
+++ b/arch/arm/boot/dts/armada-370-db.dts
@@ -34,9 +34,5 @@
 			clock-frequency = <200000000>;
 			status = "okay";
 		};
-		timer@d0020300 {
-			clock-frequency = <600000000>;
-			status = "okay";
-		};
 	};
 };
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 16cc82c..94b4b9e 100644
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -62,6 +62,7 @@
 			       compatible = "marvell,armada-370-xp-timer";
 			       reg = <0xd0020300 0x30>;
 			       interrupts = <37>, <38>, <39>, <40>;
+			       clocks = <&coreclk 2>;
 		};
 
 		addr-decoding@d0020000 {
diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index 4674f94..a4605fd 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -18,6 +18,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/kernel.h>
+#include <linux/clk.h>
 #include <linux/timer.h>
 #include <linux/clockchips.h>
 #include <linux/interrupt.h>
@@ -167,7 +168,6 @@ void __init armada_370_xp_timer_init(void)
 	u32 u;
 	struct device_node *np;
 	unsigned int timer_clk;
-	int ret;
 	np = of_find_compatible_node(NULL, NULL, "marvell,armada-370-xp-timer");
 	timer_base = of_iomap(np, 0);
 	WARN_ON(!timer_base);
@@ -179,13 +179,14 @@ void __init armada_370_xp_timer_init(void)
 		       timer_base + TIMER_CTRL_OFF);
 		timer_clk = 25000000;
 	} else {
-		u32 clk = 0;
-		ret = of_property_read_u32(np, "clock-frequency", &clk);
-		WARN_ON(!clk || ret < 0);
+		unsigned long rate = 0;
+		struct clk *clk = of_clk_get(np, 0);
+		WARN_ON(IS_ERR(clk));
+		rate =  clk_get_rate(clk);
 		u = readl(timer_base + TIMER_CTRL_OFF);
 		writel(u & ~(TIMER0_25MHZ | TIMER1_25MHZ),
 		       timer_base + TIMER_CTRL_OFF);
-		timer_clk = clk / TIMER_DIVIDER;
+		timer_clk = rate / TIMER_DIVIDER;
 	}
 
 	/* We use timer 0 as clocksource, and timer 1 for
-- 
1.7.10.4

  parent reply	other threads:[~2012-11-15 21:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-15 21:28 [PATCH 0/7] core, cpu and gated clocks for mvebu Andrew Lunn
2012-11-15 21:28 ` [PATCH 1/7] clk: mvebu: add mvebu core clocks Andrew Lunn
     [not found]   ` <1353014906-31566-2-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-16 12:52     ` Gregory CLEMENT
2012-11-15 21:28 ` [PATCH 2/7] clk: mvebu: add armada-370-xp CPU specific clocks Andrew Lunn
     [not found]   ` <1353014906-31566-3-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-15 21:44     ` Thomas Petazzoni
2012-11-15 21:28 ` [PATCH 3/7] clk: armada-370-xp: add support for clock framework Andrew Lunn
     [not found]   ` <1353014906-31566-4-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-15 21:46     ` Thomas Petazzoni
     [not found] ` <1353014906-31566-1-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-15 21:28   ` Andrew Lunn [this message]
     [not found]     ` <1353014906-31566-5-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-15 21:49       ` [PATCH 4/7] clocksource: time-armada-370-xp converted to clk framework Thomas Petazzoni
2012-11-15 21:28   ` [PATCH 5/7] clk: mvebu: add clock gating control provider for DT Andrew Lunn
2012-11-15 21:28   ` [PATCH 6/7] ARM: dove: switch to DT clock providers Andrew Lunn
     [not found]     ` <1353014906-31566-7-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-15 21:52       ` Thomas Petazzoni
2012-11-15 21:28   ` [PATCH 7/7] ARM: Kirkwood: " Andrew Lunn
     [not found]     ` <1353014906-31566-8-git-send-email-andrew-g2DYL2Zd6BY@public.gmane.org>
2012-11-16 17:33       ` Gregory CLEMENT
2012-11-15 21:54   ` [PATCH 0/7] core, cpu and gated clocks for mvebu Thomas Petazzoni
2012-11-16  7:32     ` Andrew Lunn
2012-11-16 12:51   ` Gregory CLEMENT

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