[PATCH V4 1/5] ARM: dts: OMAP: Add timer nodes
Hiremath, Vaibhav
hvaibhav at ti.com
Fri Oct 26 03:59:58 EDT 2012
On Fri, Oct 26, 2012 at 00:44:26, Hunter, Jon wrote:
> Hi Benoit,
>
> On 10/24/2012 10:41 AM, Benoit Cousson wrote:
> > Hi Jon,
> >
> > On 10/19/2012 04:59 PM, Jon Hunter wrote:
> >> Add the 12 GP timers nodes present in OMAP2.
> >> Add the 12 GP timers nodes present in OMAP3.
> >> Add the 11 GP timers nodes present in OMAP4.
> >> Add the 7 GP timers nodes present in AM33xx.
> >>
> >> Add documentation for timer properties specific to OMAP.
> >>
> >> Thanks to Vaibhav Hiremath for creating the AM33xx timer nodes. I have modified
> >> Vaibhav's original nodes adding information on which timers support a PWM
> >> output.
> >>
> >> Cc: Benoit Cousson <b-cousson at ti.com>
> >> Signed-off-by: Jon Hunter <jon-hunter at ti.com>
> >
> > I updated the patch to remove the interrupt-parent from the DTS nodes and the documentation, as discussed on the list in the context of OMAP5 DTS for GPIO.
> >
> > If you are OK with that version, I'll push it to Tony along with the others DTS patches.
>
> Per our discussion please find below an updated patch with corrected
> register sizes.
>
> Vaibhav, I have changed the AM335x register size for timers to be 1KB
> instead of 4KB to align with the AM335x HWMOD. I have boot tested on
> the AM335x.
>
Make sense Jon.
Thanks,
Vaibhav
> Cheers
> Jon
>
> From 1bf082d78ecff2c1a08ffccc133010975d7478f5 Mon Sep 17 00:00:00 2001
> From: Jon Hunter <jon-hunter at ti.com>
> Date: Fri, 19 Oct 2012 09:59:00 -0500
> Subject: [PATCH] ARM: dts: OMAP: Add timer nodes
>
> Add the 12 GP timers nodes present in OMAP2.
> Add the 12 GP timers nodes present in OMAP3.
> Add the 11 GP timers nodes present in OMAP4.
> Add the 7 GP timers nodes present in AM33xx.
>
> Add documentation for timer properties specific to OMAP.
>
> Thanks to Vaibhav Hiremath for creating the AM33xx timer nodes. I have modified
> Vaibhav's original nodes adding information on which timers support a PWM
> output.
>
> V5 changes:
> - Updated timer register sizes for OMAP2/3/4.
> - Modified AM335x timer register size to be 1KB instead of 4KB to align with
> HWMOD.
>
> Signed-off-by: Jon Hunter <jon-hunter at ti.com>
> ---
> .../devicetree/bindings/arm/omap/timer.txt | 31 +++++++
> arch/arm/boot/dts/am33xx.dtsi | 54 +++++++++++
> arch/arm/boot/dts/omap2.dtsi | 85 ++++++++++++++++++
> arch/arm/boot/dts/omap2420.dtsi | 8 ++
> arch/arm/boot/dts/omap2430.dtsi | 8 ++
> arch/arm/boot/dts/omap3.dtsi | 95 ++++++++++++++++++++
> arch/arm/boot/dts/omap4.dtsi | 86 ++++++++++++++++++
> 7 files changed, 367 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/omap/timer.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/omap/timer.txt b/Documentation/devicetree/bindings/arm/omap/timer.txt
> new file mode 100644
> index 0000000..8732d4d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/omap/timer.txt
> @@ -0,0 +1,31 @@
> +OMAP Timer bindings
> +
> +Required properties:
> +- compatible: Must be "ti,omap2-timer" for OMAP2+ controllers.
> +- reg: Contains timer register address range (base address and
> + length).
> +- interrupts: Contains the interrupt information for the timer. The
> + format is being dependent on which interrupt controller
> + the OMAP device uses.
> +- ti,hwmods: Name of the hwmod associated to the timer, "timer<X>",
> + where <X> is the instance number of the timer from the
> + HW spec.
> +
> +Optional properties:
> +- ti,timer-alwon: Indicates the timer is in an alway-on power domain.
> +- ti,timer-dsp: Indicates the timer can interrupt the on-chip DSP in
> + addition to the ARM CPU.
> +- ti,timer-pwm: Indicates the timer can generate a PWM output.
> +- ti,timer-secure: Indicates the timer is reserved on a secure OMAP device
> + and therefore cannot be used by the kernel.
> +
> +Example:
> +
> +timer12: timer at 48304000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48304000 0x400>;
> + interrupts = <95>;
> + ti,hwmods = "timer12"
> + ti,timer-alwon;
> + ti,timer-secure;
> +};
> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> index 4709269..70d24b8 100644
> --- a/arch/arm/boot/dts/am33xx.dtsi
> +++ b/arch/arm/boot/dts/am33xx.dtsi
> @@ -237,5 +237,59 @@
> interrupts = <55>;
> status = "disabled";
> };
> +
> + timer1: timer at 44e31000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x44e31000 0x400>;
> + interrupts = <67>;
> + ti,hwmods = "timer1";
> + ti,timer-alwon;
> + };
> +
> + timer2: timer at 48040000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48040000 0x400>;
> + interrupts = <68>;
> + ti,hwmods = "timer2";
> + };
> +
> + timer3: timer at 48042000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48042000 0x400>;
> + interrupts = <69>;
> + ti,hwmods = "timer3";
> + };
> +
> + timer4: timer at 48044000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48044000 0x400>;
> + interrupts = <92>;
> + ti,hwmods = "timer4";
> + ti,timer-pwm;
> + };
> +
> + timer5: timer at 48046000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48046000 0x400>;
> + interrupts = <93>;
> + ti,hwmods = "timer5";
> + ti,timer-pwm;
> + };
> +
> + timer6: timer at 48048000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48048000 0x400>;
> + interrupts = <94>;
> + ti,hwmods = "timer6";
> + ti,timer-pwm;
> + };
> +
> + timer7: timer at 4804a000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4804a000 0x400>;
> + interrupts = <95>;
> + ti,hwmods = "timer7";
> + ti,timer-pwm;
> + };
> };
> };
> diff --git a/arch/arm/boot/dts/omap2.dtsi b/arch/arm/boot/dts/omap2.dtsi
> index f366482..761c4b6 100644
> --- a/arch/arm/boot/dts/omap2.dtsi
> +++ b/arch/arm/boot/dts/omap2.dtsi
> @@ -66,5 +66,90 @@
> ti,hwmods = "uart3";
> clock-frequency = <48000000>;
> };
> +
> + timer2: timer at 4802a000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4802a000 0x400>;
> + interrupts = <38>;
> + ti,hwmods = "timer2";
> + };
> +
> + timer3: timer at 48078000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48078000 0x400>;
> + interrupts = <39>;
> + ti,hwmods = "timer3";
> + };
> +
> + timer4: timer at 4807a000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4807a000 0x400>;
> + interrupts = <40>;
> + ti,hwmods = "timer4";
> + };
> +
> + timer5: timer at 4807c000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4807c000 0x400>;
> + interrupts = <41>;
> + ti,hwmods = "timer5";
> + ti,timer-dsp;
> + };
> +
> + timer6: timer at 4807e000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4807e000 0x400>;
> + interrupts = <42>;
> + ti,hwmods = "timer6";
> + ti,timer-dsp;
> + };
> +
> + timer7: timer at 48080000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48080000 0x400>;
> + interrupts = <43>;
> + ti,hwmods = "timer7";
> + ti,timer-dsp;
> + };
> +
> + timer8: timer at 48082000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48082000 0x400>;
> + interrupts = <44>;
> + ti,hwmods = "timer8";
> + ti,timer-dsp;
> + };
> +
> + timer9: timer at 48084000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48084000 0x400>;
> + interrupts = <45>;
> + ti,hwmods = "timer9";
> + ti,timer-pwm;
> + };
> +
> + timer10: timer at 48086000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48086000 0x400>;
> + interrupts = <46>;
> + ti,hwmods = "timer10";
> + ti,timer-pwm;
> + };
> +
> + timer11: timer at 48088000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48088000 0x400>;
> + interrupts = <47>;
> + ti,hwmods = "timer11";
> + ti,timer-pwm;
> + };
> +
> + timer12: timer at 4808a000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4808a000 0x400>;
> + interrupts = <48>;
> + ti,hwmods = "timer12";
> + ti,timer-pwm;
> + };
> };
> };
> diff --git a/arch/arm/boot/dts/omap2420.dtsi b/arch/arm/boot/dts/omap2420.dtsi
> index 4d5ce91..af5ee26 100644
> --- a/arch/arm/boot/dts/omap2420.dtsi
> +++ b/arch/arm/boot/dts/omap2420.dtsi
> @@ -42,5 +42,13 @@
> interrupt-names = "tx", "rx";
> ti,hwmods = "mcbsp2";
> };
> +
> + timer1: timer at 48028000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48028000 0x400>;
> + interrupts = <37>;
> + ti,hwmods = "timer1";
> + ti,timer-alwon;
> + };
> };
> };
> diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi
> index fa84532..6887298 100644
> --- a/arch/arm/boot/dts/omap2430.dtsi
> +++ b/arch/arm/boot/dts/omap2430.dtsi
> @@ -83,5 +83,13 @@
> ti,buffer-size = <128>;
> ti,hwmods = "mcbsp5";
> };
> +
> + timer1: timer at 49018000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49018000 0x400>;
> + interrupts = <37>;
> + ti,hwmods = "timer1";
> + ti,timer-alwon;
> + };
> };
> };
> diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi
> index 955cbdc..da8c0f5 100644
> --- a/arch/arm/boot/dts/omap3.dtsi
> +++ b/arch/arm/boot/dts/omap3.dtsi
> @@ -296,5 +296,100 @@
> ti,buffer-size = <128>;
> ti,hwmods = "mcbsp5";
> };
> +
> + timer1: timer at 48318000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48318000 0x400>;
> + interrupts = <37>;
> + ti,hwmods = "timer1";
> + ti,timer-alwon;
> + };
> +
> + timer2: timer at 49032000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49032000 0x400>;
> + interrupts = <38>;
> + ti,hwmods = "timer2";
> + };
> +
> + timer3: timer at 49034000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49034000 0x400>;
> + interrupts = <39>;
> + ti,hwmods = "timer3";
> + };
> +
> + timer4: timer at 49036000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49036000 0x400>;
> + interrupts = <40>;
> + ti,hwmods = "timer4";
> + };
> +
> + timer5: timer at 49038000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49038000 0x400>;
> + interrupts = <41>;
> + ti,hwmods = "timer5";
> + ti,timer-dsp;
> + };
> +
> + timer6: timer at 4903a000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4903a000 0x400>;
> + interrupts = <42>;
> + ti,hwmods = "timer6";
> + ti,timer-dsp;
> + };
> +
> + timer7: timer at 4903c000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4903c000 0x400>;
> + interrupts = <43>;
> + ti,hwmods = "timer7";
> + ti,timer-dsp;
> + };
> +
> + timer8: timer at 4903e000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4903e000 0x400>;
> + interrupts = <44>;
> + ti,hwmods = "timer8";
> + ti,timer-pwm;
> + ti,timer-dsp;
> + };
> +
> + timer9: timer at 49040000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49040000 0x400>;
> + interrupts = <45>;
> + ti,hwmods = "timer9";
> + ti,timer-pwm;
> + };
> +
> + timer10: timer at 48086000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48086000 0x400>;
> + interrupts = <46>;
> + ti,hwmods = "timer10";
> + ti,timer-pwm;
> + };
> +
> + timer11: timer at 48088000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48088000 0x400>;
> + interrupts = <47>;
> + ti,hwmods = "timer11";
> + ti,timer-pwm;
> + };
> +
> + timer12: timer at 48304000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48304000 0x400>;
> + interrupts = <95>;
> + ti,hwmods = "timer12";
> + ti,timer-alwon;
> + ti,timer-secure;
> + };
> };
> };
> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
> index 2ab6e68..d3a82e0 100644
> --- a/arch/arm/boot/dts/omap4.dtsi
> +++ b/arch/arm/boot/dts/omap4.dtsi
> @@ -433,5 +433,91 @@
> ranges;
> ti,hwmods = "ocp2scp_usb_phy";
> };
> +
> + timer1: timer at 4a318000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4a318000 0x80>;
> + interrupts = <0 37 0x4>;
> + ti,hwmods = "timer1";
> + ti,timer-alwon;
> + };
> +
> + timer2: timer at 48032000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48032000 0x80>;
> + interrupts = <0 38 0x4>;
> + ti,hwmods = "timer2";
> + };
> +
> + timer3: timer at 48034000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48034000 0x80>;
> + interrupts = <0 39 0x4>;
> + ti,hwmods = "timer3";
> + };
> +
> + timer4: timer at 48036000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48036000 0x80>;
> + interrupts = <0 40 0x4>;
> + ti,hwmods = "timer4";
> + };
> +
> + timer5: timer at 49038000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x49038000 0x80>;
> + interrupts = <0 41 0x4>;
> + ti,hwmods = "timer5";
> + ti,timer-dsp;
> + };
> +
> + timer6: timer at 4903a000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4903a000 0x80>;
> + interrupts = <0 42 0x4>;
> + ti,hwmods = "timer6";
> + ti,timer-dsp;
> + };
> +
> + timer7: timer at 4903c000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4903c000 0x80>;
> + interrupts = <0 43 0x4>;
> + ti,hwmods = "timer7";
> + ti,timer-dsp;
> + };
> +
> + timer8: timer at 4903e000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4903e000 0x80>;
> + interrupts = <0 44 0x4>;
> + ti,hwmods = "timer8";
> + ti,timer-pwm;
> + ti,timer-dsp;
> + };
> +
> + timer9: timer at 4803e000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x4803e000 0x80>;
> + interrupts = <0 45 0x4>;
> + ti,hwmods = "timer9";
> + ti,timer-pwm;
> + };
> +
> + timer10: timer at 48086000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48086000 0x80>;
> + interrupts = <0 46 0x4>;
> + ti,hwmods = "timer10";
> + ti,timer-pwm;
> + };
> +
> + timer11: timer at 48088000 {
> + compatible = "ti,omap2-timer";
> + reg = <0x48088000 0x80>;
> + interrupts = <0 47 0x4>;
> + ti,hwmods = "timer11";
> + ti,timer-pwm;
> + };
> };
> };
> --
> 1.7.9.5
>
>
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