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authorLinus Walleij <linus.walleij@linaro.org>2013-04-16 23:44:31 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-05-12 21:49:56 +0200
commit7690fbb293df83025cffb608f9c2e81414c468a8 (patch)
tree1d1605c8c26b1d12bb2763ce447677f76d400f71 /arch
parent6e2b07a172b6ed98c7cdc301333b2d9f86c11880 (diff)
ARM: nomadik: register clocksource from device tree
This switches the Nomadik platform to also registering its clocksource from the device tree, removing unused support code as we go along. Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/ste-nomadik-stn8815.dtsi11
-rw-r--r--arch/arm/mach-nomadik/Kconfig1
-rw-r--r--arch/arm/mach-nomadik/cpu-8815.c6
3 files changed, 12 insertions, 6 deletions
diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
index f0df9482cb6f..51a33e080ca9 100644
--- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
+++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi
@@ -21,18 +21,23 @@
cache-level = <2>;
};
- mtu0 {
+ mtu0: mtu@101e2000 {
/* Nomadik system timer */
+ compatible = "st,nomadik-mtu";
reg = <0x101e2000 0x1000>;
interrupt-parent = <&vica>;
interrupts = <4>;
+ clocks = <&timclk>, <&pclk>;
+ clock-names = "timclk", "apb_pclk";
};
- mtu1 {
+ mtu1: mtu@101e3000 {
/* Secondary timer */
reg = <0x101e3000 0x1000>;
interrupt-parent = <&vica>;
interrupts = <5>;
+ clocks = <&timclk>, <&pclk>;
+ clock-names = "timclk", "apb_pclk";
};
gpio0: gpio@101e4000 {
@@ -101,7 +106,7 @@
pclk: pclk@0 {
#clock-cells = <0>;
compatible = "fixed-clock";
- clock-frequency = <2400000>;
+ clock-frequency = <0>;
};
/*
* The 2.4 MHz TIMCLK reference clock is active at
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig
index 9b9d105f194c..5981c3db9b41 100644
--- a/arch/arm/mach-nomadik/Kconfig
+++ b/arch/arm/mach-nomadik/Kconfig
@@ -6,6 +6,7 @@ config ARCH_NOMADIK
select ARM_VIC
select CLKSRC_NOMADIK_MTU
select CLKSRC_NOMADIK_MTU_SCHED_CLOCK
+ select CLKSRC_OF
select COMMON_CLK
select CPU_ARM926T
select GENERIC_CLOCKEVENTS
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index 0e2c5e0cd65e..e73a71f78b4d 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -29,7 +29,7 @@
#include <linux/platform_data/clk-nomadik.h>
#include <linux/platform_data/pinctrl-nomadik.h>
#include <linux/pinctrl/machine.h>
-#include <linux/platform_data/clocksource-nomadik-mtu.h>
+#include <linux/clocksource.h>
#include <linux/of_irq.h>
#include <linux/of_gpio.h>
#include <linux/of_address.h>
@@ -172,7 +172,7 @@ static void __init cpu8815_timer_init_of(void)
/* We need this to be up now */
nomadik_clk_init();
- mtu = of_find_node_by_path("/mtu0");
+ mtu = of_find_node_by_path("/mtu@101e2000");
if (!mtu)
return;
base = of_iomap(mtu, 0);
@@ -188,7 +188,7 @@ static void __init cpu8815_timer_init_of(void)
src_cr |= SRC_CR_INIT_VAL;
writel(src_cr, base);
- nmdk_timer_init(base, irq);
+ clocksource_of_init();
}
static struct fsmc_nand_timings cpu8815_nand_timings = {