| Message ID | 1359442762-13697-9-git-send-email-vaibhav.bedia@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
>>>>> "Vaibhav" == Vaibhav Bedia <vaibhav.bedia@ti.com> writes:
Vaibhav> Since AM33XX supports only DT-boot, this is needed
Vaibhav> for the appropriate device nodes to be created.
Vaibhav> Note: OCMC RAM is part of the PER power domain and supports
Vaibhav> retention. The assembly code for low power entry/exit will
Vaibhav> run from OCMC RAM. To ensure that the OMAP PM code does not
Vaibhav> attempt to disable the clock to OCMC RAM as part of the
Vaibhav> suspend process add the no_idle_on_suspend flag.
Vaibhav> Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Vaibhav> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Vaibhav> ---
Vaibhav> v2: Add reg property
Vaibhav> arch/arm/boot/dts/am33xx.dtsi | 14 +++++++++++++
Vaibhav> 1 file changed, 14 insertions(+)
Vaibhav> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
Vaibhav> index c2f14e8..423f898 100644
Vaibhav> --- a/arch/arm/boot/dts/am33xx.dtsi
Vaibhav> +++ b/arch/arm/boot/dts/am33xx.dtsi
Vaibhav> @@ -385,5 +385,19 @@
Vaibhav> mac-address = [ 00 00 00 00 00 00 ];
Vaibhav> };
Vaibhav> };
Vaibhav> +
Vaibhav> + ocmcram: ocmcram@40300000 {
Vaibhav> + compatible = "ti,ocmcram";
Vaibhav> + reg = <0x40300000 0x10000>;
Vaibhav> + ti,hwmods = "ocmcram";
Vaibhav> + ti,no_idle_on_suspend;
Vaibhav> + };
Vaibhav> +
Vaibhav> + wkup_m3: wkup_m3@44d00000 {
Vaibhav> + compatible = "ti,wkup_m3";
Both of these compatible properties should probably use less generic
names, like:
ti,am3352-ocmcram
ti,am3352-wkup-m3 ('-' instead of '_')
On Tue, Jan 29, 2013 at 13:50:44, Peter Korsgaard wrote: > >>>>> "Vaibhav" == Vaibhav Bedia <vaibhav.bedia@ti.com> writes: > > Vaibhav> Since AM33XX supports only DT-boot, this is needed > Vaibhav> for the appropriate device nodes to be created. > > Vaibhav> Note: OCMC RAM is part of the PER power domain and supports > Vaibhav> retention. The assembly code for low power entry/exit will > Vaibhav> run from OCMC RAM. To ensure that the OMAP PM code does not > Vaibhav> attempt to disable the clock to OCMC RAM as part of the > Vaibhav> suspend process add the no_idle_on_suspend flag. > > Vaibhav> Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com> > Vaibhav> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> > Vaibhav> --- > Vaibhav> v2: Add reg property > > Vaibhav> arch/arm/boot/dts/am33xx.dtsi | 14 +++++++++++++ > Vaibhav> 1 file changed, 14 insertions(+) > > Vaibhav> diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi > Vaibhav> index c2f14e8..423f898 100644 > Vaibhav> --- a/arch/arm/boot/dts/am33xx.dtsi > Vaibhav> +++ b/arch/arm/boot/dts/am33xx.dtsi > Vaibhav> @@ -385,5 +385,19 @@ > Vaibhav> mac-address = [ 00 00 00 00 00 00 ]; > Vaibhav> }; > Vaibhav> }; > Vaibhav> + > Vaibhav> + ocmcram: ocmcram@40300000 { > Vaibhav> + compatible = "ti,ocmcram"; > Vaibhav> + reg = <0x40300000 0x10000>; > Vaibhav> + ti,hwmods = "ocmcram"; > Vaibhav> + ti,no_idle_on_suspend; > Vaibhav> + }; > Vaibhav> + > Vaibhav> + wkup_m3: wkup_m3@44d00000 { > Vaibhav> + compatible = "ti,wkup_m3"; > > > Both of these compatible properties should probably use less generic > names, like: > > ti,am3352-ocmcram > ti,am3352-wkup-m3 ('-' instead of '_') > Ok. Will do. Thanks, Vaibhav
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index c2f14e8..423f898 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -385,5 +385,19 @@ mac-address = [ 00 00 00 00 00 00 ]; }; }; + + ocmcram: ocmcram@40300000 { + compatible = "ti,ocmcram"; + reg = <0x40300000 0x10000>; + ti,hwmods = "ocmcram"; + ti,no_idle_on_suspend; + }; + + wkup_m3: wkup_m3@44d00000 { + compatible = "ti,wkup_m3"; + reg = <0x44d00000 0x4000 /* M3 UMEM */ + 0x44d80000 0x2000>; /* M3 DMEM */ + ti,hwmods = "wkup_m3"; + }; }; };