| Message ID | 1470139124-12652-1-git-send-email-chenhui.zhao@nxp.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Scott Wood |
| Headers | show |
On Tue, Aug 02, 2016 at 07:58:44PM +0800, Chenhui Zhao wrote: > Signed-off-by: Chenhui Zhao <chenhui.zhao@nxp.com> > --- > Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 13 +++++++++++++ > arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 3 +++ > 2 files changed, 16 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > index e284e4e..1d44a80 100644 > --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > @@ -21,6 +21,10 @@ Required properites: > * "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm > * "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm > > +Optional properites: > + - mcke-gpios : The GPIO pin is used for keeping the MCKE signal of DDR modules > + low in the LPM35 state on some platforms, such as T1040. Needs a vendor prefix.
diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt index e284e4e..1d44a80 100644 --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt @@ -21,6 +21,10 @@ Required properites: * "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm * "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm +Optional properites: + - mcke-gpios : The GPIO pin is used for keeping the MCKE signal of DDR modules + low in the LPM35 state on some platforms, such as T1040. + All references to "1.0" and "2.0" refer to the QorIQ chassis version to which the chip complies. Chassis Version Example Chips @@ -37,6 +41,15 @@ The RCPM node for T4240: fsl,#rcpm-wakeup-cells = <2>; }; +The RCPM node for T1040 (which supports LPM35 state): + rcpm: global-utilities@e2000 { + compatible = "fsl,t1040-rcpm", "fsl,qoriq-rcpm-2.1"; + reg = <0xe2000 0x1000>; + fsl,#rcpm-wakeup-cells = <1>; + mcke-gpios = <&gpio0 29 GPIO_ACTIVE_HIGH> + }; + + * Freescale RCPM Wakeup Source Device Tree Bindings ------------------------------------------- Required fsl,rcpm-wakeup property should be added to a device node if the device diff --git a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi index 507649e..f66e7dd 100644 --- a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi @@ -33,6 +33,7 @@ */ #include <dt-bindings/thermal/thermal.h> +#include <dt-bindings/gpio/gpio.h> &bman_fbpr { compatible = "fsl,bman-fbpr"; @@ -474,6 +475,8 @@ rcpm: global-utilities@e2000 { compatible = "fsl,t1040-rcpm", "fsl,qoriq-rcpm-2.1"; reg = <0xe2000 0x1000>; + fsl,#rcpm-wakeup-cells = <1>; + mcke-gpios = <&gpio0 29 GPIO_ACTIVE_HIGH>; }; sfp: sfp@e8000 {
Signed-off-by: Chenhui Zhao <chenhui.zhao@nxp.com> --- Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 13 +++++++++++++ arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 3 +++ 2 files changed, 16 insertions(+)