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
next prev 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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