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authorGregory CLEMENT <gregory.clement@free-electrons.com>2012-11-17 15:22:24 +0100
committerThomas Petazzoni <thomas.petazzoni@free-electrons.com>2012-11-20 14:46:48 +0100
commit9d2027830c6306b079d5e888d40ec1f2efebd6ad (patch)
treed47d9ad6975a0895bfd78cc6f83300c72993de21
parentc4c34d608482b48c1c007fecea5a7a5c65168fa2 (diff)
clk: armada-370-xp: add support for clock framework
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by Gregory CLEMENT <gregory.clement@free-electrons.com>
-rw-r--r--arch/arm/boot/dts/armada-370.dtsi15
-rw-r--r--arch/arm/boot/dts/armada-xp-mv78230.dtsi12
-rw-r--r--arch/arm/boot/dts/armada-xp-mv78260.dtsi19
-rw-r--r--arch/arm/boot/dts/armada-xp-mv78460.dtsi34
-rw-r--r--arch/arm/boot/dts/armada-xp.dtsi20
-rw-r--r--arch/arm/mach-mvebu/Kconfig4
-rw-r--r--arch/arm/mach-mvebu/armada-370-xp.c9
7 files changed, 112 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index 2069151afe0..175df288707 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -75,5 +75,20 @@
#interrupts-cells = <2>;
interrupts = <91>;
};
+
+ coreclk: mvebu-sar@d0018230 {
+ compatible = "marvell,armada-370-core-clock";
+ reg = <0xd0018230 0x08>;
+ #clock-cells = <1>;
+ };
+
+ gateclk: clock-gating-control@d0018220 {
+ compatible = "marvell,armada-370-gating-clock";
+ reg = <0xd0018220 0x4>;
+ clocks = <&coreclk 0>;
+ #clock-cells = <1>;
+ };
+
+
};
};
diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
index ea355192be6..c45c7b4dc35 100644
--- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi
@@ -24,6 +24,18 @@
gpio1 = &gpio1;
};
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <0>;
+ clocks = <&cpuclk 0>;
+ };
+ }
+
soc {
pinctrl {
compatible = "marvell,mv78230-pinctrl";
diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
index 2057863f3df..a2aee570737 100644
--- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi
@@ -25,6 +25,25 @@
gpio2 = &gpio2;
};
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <0>;
+ clocks = <&cpuclk 0>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <1>;
+ clocks = <&cpuclk 1>;
+ };
+ };
+
soc {
pinctrl {
compatible = "marvell,mv78260-pinctrl";
diff --git a/arch/arm/boot/dts/armada-xp-mv78460.dtsi b/arch/arm/boot/dts/armada-xp-mv78460.dtsi
index ffac9837379..da03a129243 100644
--- a/arch/arm/boot/dts/armada-xp-mv78460.dtsi
+++ b/arch/arm/boot/dts/armada-xp-mv78460.dtsi
@@ -25,6 +25,40 @@
gpio2 = &gpio2;
};
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <0>;
+ clocks = <&cpuclk 0>;
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <1>;
+ clocks = <&cpuclk 1>;
+ };
+
+ cpu@2 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <2>;
+ clocks = <&cpuclk 2>;
+ };
+
+ cpu@3 {
+ device_type = "cpu";
+ compatible = "marvell,sheeva-v7";
+ reg = <3>;
+ clocks = <&cpuclk 3>;
+ };
+ };
+
soc {
pinctrl {
compatible = "marvell,mv78460-pinctrl";
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index 71d6b5d0daf..f51554e8000 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -47,6 +47,26 @@
marvell,timer-25Mhz;
};
+ coreclk: mvebu-sar@d0018230 {
+ compatible = "marvell,armada-xp-core-clock";
+ reg = <0xd0018230 0x08>;
+ #clock-cells = <1>;
+ };
+
+ cpuclk: clock-complex@d0018700 {
+ #clock-cells = <1>;
+ compatible = "marvell,armada-xp-cpu-clock";
+ reg = <0xd0018700 0xA0>;
+ clocks = <&coreclk 1>;
+ };
+
+ gateclk: clock-gating-control@d0018220 {
+ compatible = "marvell,armada-xp-gating-clock";
+ reg = <0xd0018220 0x4>;
+ clocks = <&coreclk 0>;
+ #clock-cells = <1>;
+ };
+
system-controller@d0018200 {
compatible = "marvell,armada-370-xp-system-controller";
reg = <0xd0018200 0x500>;
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 416d46ef7eb..79299cd94f0 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -9,6 +9,10 @@ config ARCH_MVEBU
select PINCTRL
select PLAT_ORION
select SPARSE_IRQ
+ select CLKDEV_LOOKUP
+ select MVEBU_CLK_CORE
+ select MVEBU_CLK_CPU
+ select MVEBU_CLK_GATING
if ARCH_MVEBU
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c
index 49d791548ad..3292d6da5dc 100644
--- a/arch/arm/mach-mvebu/armada-370-xp.c
+++ b/arch/arm/mach-mvebu/armada-370-xp.c
@@ -17,6 +17,7 @@
#include <linux/of_platform.h>
#include <linux/io.h>
#include <linux/time-armada-370-xp.h>
+#include <linux/clk/mvebu.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
@@ -37,8 +38,14 @@ void __init armada_370_xp_map_io(void)
iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc));
}
+void __init armada_370_xp_timer_and_clk_init(void)
+{
+ mvebu_clocks_init();
+ armada_370_xp_timer_init();
+}
+
struct sys_timer armada_370_xp_timer = {
- .init = armada_370_xp_timer_init,
+ .init = armada_370_xp_timer_and_clk_init,
};
static void __init armada_370_xp_dt_init(void)