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Message-Id: <1351621413-3637-3-git-send-email-gregory.clement@free-electrons.com>
Date: Tue, 30 Oct 2012 19:23:32 +0100
From: Gregory CLEMENT <gregory.clement@...e-electrons.com>
To: Mike Turquette <mturquette@...aro.org>,
Jason Cooper <jason@...edaemon.net>,
Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...e-electrons.com>
Cc: linux-arm-kernel@...ts.infradead.org,
Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
Ben Dooks <ben-linux@...ff.org>,
Ian Molton <ian.molton@...ethink.co.uk>,
Nicolas Pitre <nico@...xnic.net>,
Lior Amsalem <alior@...vell.com>,
Maen Suleiman <maen@...vell.com>,
Tawfik Bayouk <tawfik@...vell.com>,
Shadi Ammouri <shadi@...vell.com>,
Eran Ben-Avi <benavi@...vell.com>,
Yehuda Yitschak <yehuday@...vell.com>,
Nadav Haklai <nadavh@...vell.com>,
Ike Pan <ike.pan@...onical.com>,
Jani Monoses <jani.monoses@...onical.com>,
Chris Van Hoof <vanhoof@...onical.com>,
Dan Frazier <dann.frazier@...onical.com>,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
Leif Lindholm <leif.lindholm@....com>,
Jon Masters <jcm@...hat.com>,
David Marlin <dmarlin@...hat.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH V4 2/3] clk: armada-370-xp: add support for clock framework
Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
---
arch/arm/boot/dts/armada-370.dtsi | 12 +++++++++
arch/arm/boot/dts/armada-xp.dtsi | 48 +++++++++++++++++++++++++++++++++++
arch/arm/mach-mvebu/Kconfig | 5 ++++
arch/arm/mach-mvebu/armada-370-xp.c | 8 +++++-
arch/arm/mach-mvebu/common.h | 1 +
5 files changed, 73 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index 2069151..ac495b4 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -75,5 +75,17 @@
#interrupts-cells = <2>;
interrupts = <91>;
};
+ coreclk: mvebu-sar@...18230 {
+ #clock-cells = <1>;
+ reg = <0xd0018230 0x08>;
+ compatible = "marvell,armada-370-core-clockctrl";
+ clock-output-names =
+ "tclk", /* 0 */
+ "pclk", /* 1 */
+ "nbclk", /* 2 */
+ "hclk", /* 3 */
+ "dramclk"; /* 4 */
+ };
+
};
};
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index 71d6b5d..8fd924a 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -27,6 +27,35 @@
<0xd0021870 0x58>;
};
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "marvell,sheeva-v7";
+ reg = <0>;
+ clocks = <&cpuclk 0>;
+ };
+
+ cpu@1 {
+ compatible = "marvell,sheeva-v7";
+ reg = <1>;
+ clocks = <&cpuclk 1>;
+ };
+
+ cpu@2 {
+ compatible = "marvell,sheeva-v7";
+ reg = <2>;
+ clocks = <&cpuclk 2>;
+ };
+
+ cpu@3 {
+ compatible = "marvell,sheeva-v7";
+ reg = <3>;
+ clocks = <&cpuclk 3>;
+ };
+ };
+
soc {
serial@...12200 {
compatible = "ns16550";
@@ -47,6 +76,25 @@
marvell,timer-25Mhz;
};
+ coreclk: mvebu-sar@...18230 {
+ #clock-cells = <1>;
+ reg = <0xd0018230 0x08>;
+ compatible = "marvell,armada-xp-core-clockctrl";
+ clock-output-names =
+ "tclk", /* 0 */
+ "pclk", /* 1 */
+ "nbclk", /* 2 */
+ "hclk", /* 3 */
+ "dramclk"; /* 4 */
+ };
+
+ cpuclk: clock-complex@...18700 {
+ #clock-cells = <1>;
+ compatible = "marvell,armada-xp-cpu-clockctrl";
+ reg = <0xd0018700 0xA0>;
+ clocks = <&coreclk 1>;
+ };
+
system-controller@...18200 {
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 416d46e..17d246b 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -9,11 +9,16 @@ config ARCH_MVEBU
select PINCTRL
select PLAT_ORION
select SPARSE_IRQ
+ select CLKDEV_LOOKUP
+ select MVEBU_CLK_CPU
if ARCH_MVEBU
menu "Marvell SOC with device tree"
+config MVEBU_CLK_CPU
+ bool
+
config MACH_ARMADA_370_XP
bool
select ARMADA_370_XP_TIMER
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c
index 49d7915..2af6ce5 100644
--- a/arch/arm/mach-mvebu/armada-370-xp.c
+++ b/arch/arm/mach-mvebu/armada-370-xp.c
@@ -37,8 +37,14 @@ 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)
diff --git a/arch/arm/mach-mvebu/common.h b/arch/arm/mach-mvebu/common.h
index 02f89ea..281fab3 100644
--- a/arch/arm/mach-mvebu/common.h
+++ b/arch/arm/mach-mvebu/common.h
@@ -16,6 +16,7 @@
#define __ARCH_MVEBU_COMMON_H
void mvebu_restart(char mode, const char *cmd);
+void mvebu_clocks_init(void);
void armada_370_xp_init_irq(void);
void armada_370_xp_handle_irq(struct pt_regs *regs);
--
1.7.9.5
--
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