It support single core and multi-core ARM SoCs. But it assume
all cores share the same frequency and voltage.
Signed-off-by: Richard Zhao
---
drivers/cpufreq/Kconfig.arm |8 ++
drivers/cpufreq/Makefile |1 +
drivers/cpufreq/arm-cpufreq.c | 260
cpufreq needs cpu clock to change frequency.
Signed-off-by: Richard Zhao
---
arch/arm/mach-imx/clock-imx6q.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c
index 039a7ab..72acbc2 100644
--- a/arch/arm
Signed-off-by: Richard Zhao
---
arch/arm/boot/dts/imx6q.dtsi |2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 263e8f3..9e9943b 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
TODO:
- add voltage change.
Thanks
Richard
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On Thu, Dec 15, 2011 at 07:58:54PM +0800, Shawn Guo wrote:
> Hi Richard,
>
> Whenever we invent some new device tree binding support, we need to
> Cc devicetree-disc...@lists.ozlabs.org (Cc-ed).
Thanks for your reminder.
>
> On Thu, Dec 15, 2011 at 07:16:36PM +0800,
On Thu, Dec 15, 2011 at 12:50:07PM -0600, Mark Langsdorf wrote:
> Comments below. I tested this on the Calxeda Highbank SoC using
> QEMU. I found one definite error and a few things I would change.
Thanks for your test.
>
> On 12/15/2011 05:16 AM, Richard Zhao wrote:
> >It suppo
On Thu, Dec 15, 2011 at 08:29:11PM +, Russell King - ARM Linux wrote:
> On Thu, Dec 15, 2011 at 07:16:35PM +0800, Richard Zhao wrote:
> > +#ifdef CONFIG_SMP
> > + /* loops_per_jiffy is not updated by the cpufreq core for SMP systems.
> > +* So u
On Fri, Dec 16, 2011 at 08:24:23AM +, Russell King - ARM Linux wrote:
> On Thu, Dec 15, 2011 at 12:50:07PM -0600, Mark Langsdorf wrote:
> > I'd prefer to see clk_get90 replaced with of_clk_get() and
> > get_this_cpu_node() from the clk-cpufreq driver by Jamie Iles that
> > I resubmitted yesterd
The driver support single core and multi core ARM SoCs. For multi core,
it assume all cores share the same clock and voltage.
Changes in v2:
- add volatage change support
- change '_' in property name to '-'
- use initial value to calculate loops_per_jiffy
- fix reading cpu_volts property bug
Signed-off-by: Richard Zhao
---
arch/arm/mach-imx/Kconfig |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c44aa97..39cf00a 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -595,6 +595,7
cpufreq needs cpu clock to change frequency.
Signed-off-by: Richard Zhao
---
arch/arm/mach-imx/clock-imx6q.c |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c
index 039a7ab..72acbc2 100644
--- a/arch/arm
It support single core and multi-core ARM SoCs. But it assume
all cores share the same frequency and voltage.
Signed-off-by: Richard Zhao
---
drivers/cpufreq/Kconfig.arm |8 ++
drivers/cpufreq/Makefile |1 +
drivers/cpufreq/arm-cpufreq.c | 269
Signed-off-by: Richard Zhao
---
arch/arm/boot/dts/imx6q.dtsi |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index 263e8f3..f2e3eaf 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
On Fri, Mar 01, 2013 at 06:55:54PM -0800, Bill Huang wrote:
> On Sat, 2013-03-02 at 04:48 +0800, Mike Turquette wrote:
> > Quoting Mike Turquette (2013-03-01 10:22:34)
> > > Quoting Bill Huang (2013-03-01 01:41:31)
> > > > On Thu, 2013-02-28 at 12:49 +0800, Mike Turquette wrote:
> > > > > Dynamic v
Hi Mike,
On Sun, Mar 03, 2013 at 02:54:24AM -0800, Mike Turquette wrote:
> Quoting Richard Zhao (2013-03-02 00:22:19)
> > On Fri, Mar 01, 2013 at 06:55:54PM -0800, Bill Huang wrote:
> > > On Sat, 2013-03-02 at 04:48 +0800, Mike Turquette wrote:
> > > > Quoting Mike
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