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Date: Mon, 2 Feb 2015 16:31:38 +0800
From: Chao Xie <chao.xie@...vell.com>
To: <mark.rutland@....com>, <daniel.lezcano@...aro.org>,
<tglx@...utronix.de>, <chao.xie@...vell.com>,
<haojian.zhuang@...aro.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
Subject: [PATCH 3/4] arm: mmp: make SOCes with DT use new timer driver
From: Chao Xie <chao.xie@...vell.com>
Change the dtsi and DT support for mmp SOCes to make them
use the new timer driver.
Signed-off-by: Chao Xie <chao.xie@...vell.com>
---
arch/arm/boot/dts/mmp2.dtsi | 19 ++++++++++++++++---
arch/arm/boot/dts/pxa168.dtsi | 20 +++++++++++++++++---
arch/arm/boot/dts/pxa910.dtsi | 26 ++++++++++++++++----------
arch/arm/mach-mmp/Kconfig | 2 ++
arch/arm/mach-mmp/mmp-dt.c | 4 +++-
arch/arm/mach-mmp/mmp2-dt.c | 4 +++-
6 files changed, 57 insertions(+), 18 deletions(-)
diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
index 766bbb8..e63e3a3 100644
--- a/arch/arm/boot/dts/mmp2.dtsi
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -127,9 +127,22 @@
ranges;
timer0: timer@...14000 {
- compatible = "mrvl,mmp-timer";
- reg = <0xd4014000 0x100>;
- interrupts = <13>;
+ compatible = "marvell,mmp-timer";
+ reg = <0xd4014000 0xc8>;
+ clocks = <&soc_clocks MMP2_CLK_VCTCXO>, <&soc_clocks MMP2_CLK_TIMER>;
+ status = "okay";
+
+ counter0 {
+ compatible = "marvell,timer-counter-clkevt";
+ interrupts = <13>;
+ marvell,timer-counter-id = <0>;
+ marvell,timer-counter-cpu = <0>;
+ };
+
+ counter1 {
+ compatible = "marvell,timer-counter-clksrc";
+ marvell,timer-counter-id = <1>;
+ };
};
uart1: uart@...30000 {
diff --git a/arch/arm/boot/dts/pxa168.dtsi b/arch/arm/boot/dts/pxa168.dtsi
index b899e25..5a2f385 100644
--- a/arch/arm/boot/dts/pxa168.dtsi
+++ b/arch/arm/boot/dts/pxa168.dtsi
@@ -51,9 +51,23 @@
ranges;
timer0: timer@...14000 {
- compatible = "mrvl,mmp-timer";
- reg = <0xd4014000 0x100>;
- interrupts = <13>;
+ compatible = "marvell,mmp-timer";
+ reg = <0xd4014000 0xc8>;
+ clocks = <&soc_clocks PXA168_CLK_PLL1_24>, <&soc_clocks PXA168_CLK_TIMER>;
+ status = "okay";
+
+ counter0 {
+ compatible = "marvell,timer-counter-clkevt";
+ interrupts = <13>;
+ marvell,timer-counter-id = <0>;
+ marvell,timer-counter-cpu = <0>;
+ };
+
+ counter1 {
+ compatible = "marvell,timer-counter-clksrc";
+ marvell,timer-counter-id = <1>;
+ };
+
};
uart1: uart@...17000 {
diff --git a/arch/arm/boot/dts/pxa910.dtsi b/arch/arm/boot/dts/pxa910.dtsi
index 0868f67..beb25fc 100644
--- a/arch/arm/boot/dts/pxa910.dtsi
+++ b/arch/arm/boot/dts/pxa910.dtsi
@@ -56,16 +56,22 @@
ranges;
timer0: timer@...14000 {
- compatible = "mrvl,mmp-timer";
- reg = <0xd4014000 0x100>;
- interrupts = <13>;
- };
-
- timer1: timer@...16000 {
- compatible = "mrvl,mmp-timer";
- reg = <0xd4016000 0x100>;
- interrupts = <29>;
- status = "disabled";
+ compatible = "marvell,mmp-timer";
+ reg = <0xd4014000 0xc8>;
+ clocks = <&soc_clocks PXA910_CLK_PLL1_24>, <&soc_clocks PXA910_CLK_TIMER0>;
+ status = "okay";
+
+ counter0 {
+ compatible = "marvell,timer-counter-clkevt";
+ interrupts = <13>;
+ marvell,timer-counter-id = <0>;
+ marvell,timer-counter-cpu = <0>;
+ };
+
+ counter1 {
+ compatible = "marvell,timer-counter-clksrc";
+ marvell,timer-counter-id = <1>;
+ };
};
uart1: uart@...17000 {
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index fdbfadf..4bbe202 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -87,6 +87,7 @@ config MACH_GPLUGD
config MACH_MMP_DT
bool "Support MMP (ARMv5) platforms from device tree"
select USE_OF
+ select CLKSRC_OF
select PINCTRL
select PINCTRL_SINGLE
select COMMON_CLK
@@ -101,6 +102,7 @@ config MACH_MMP2_DT
bool "Support MMP2 (ARMv7) platforms from device tree"
depends on !CPU_MOHAWK
select USE_OF
+ select CLKSRC_OF
select PINCTRL
select PINCTRL_SINGLE
select COMMON_CLK
diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c
index b2296c9..2e91871 100644
--- a/arch/arm/mach-mmp/mmp-dt.c
+++ b/arch/arm/mach-mmp/mmp-dt.c
@@ -12,6 +12,7 @@
#include <linux/irqchip.h>
#include <linux/of_platform.h>
#include <linux/clk-provider.h>
+#include <linux/clocksource.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/hardware/cache-tauros2.h>
@@ -35,8 +36,9 @@ static void __init mmp_init_time(void)
#ifdef CONFIG_CACHE_TAUROS2
tauros2_init(0);
#endif
- mmp_dt_init_timer();
of_clk_init(NULL);
+ /* Initialize timers. */
+ clocksource_of_init();
}
DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c
index 998c0f5..a42d32e 100644
--- a/arch/arm/mach-mmp/mmp2-dt.c
+++ b/arch/arm/mach-mmp/mmp2-dt.c
@@ -13,6 +13,7 @@
#include <linux/irqchip.h>
#include <linux/of_platform.h>
#include <linux/clk-provider.h>
+#include <linux/clocksource.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/hardware/cache-tauros2.h>
@@ -26,8 +27,9 @@ static void __init mmp_init_time(void)
#ifdef CONFIG_CACHE_TAUROS2
tauros2_init(0);
#endif
- mmp_dt_init_timer();
of_clk_init(NULL);
+ /* Initialize timers. */
+ clocksource_of_init();
}
static const char *mmp2_dt_board_compat[] __initdata = {
--
1.8.3.2
--
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