On Tue, 2015-06-23 at 16:07 +0800, Yuantian.Tang@xxxxxxxxxxxxx wrote: > From: Tang Yuantian <Yuantian.Tang@xxxxxxxxxxxxx> > > There is a RCPM (Run Control/Power Management) in Freescale QorIQ > series processors. The device performs tasks associated with device > run control and power management. > > The driver implements some features: mask/unmask irq, enter/exit low > power states, freeze time base, etc. > > Signed-off-by: Chenhui Zhao <chenhui.zhao@xxxxxxxxxxxxx> > Signed-off-by: Tang Yuantian <Yuantian.Tang@xxxxxxxxxxxxx> > --- > v4: > - refine bindings document > v3: > - added static and __init modifier to fsl_rcpm_init > v2: > - fix code style issues > - refine compatible string match part > > Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 42 +++ > arch/powerpc/include/asm/fsl_guts.h | 105 +++++++ > arch/powerpc/include/asm/fsl_pm.h | 48 +++ > arch/powerpc/platforms/85xx/Kconfig | 1 + > arch/powerpc/sysdev/Kconfig | 5 + > arch/powerpc/sysdev/Makefile | 1 + > arch/powerpc/sysdev/fsl_rcpm.c | 338 > +++++++++++++++++++++ > 7 files changed, 540 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/fsl/rcpm.txt > create mode 100644 arch/powerpc/include/asm/fsl_pm.h > create mode 100644 arch/powerpc/sysdev/fsl_rcpm.c > > diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > new file mode 100644 > index 0000000..1f58018 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > @@ -0,0 +1,42 @@ > +* Run Control and Power Management > + > +The RCPM performs all device-level tasks associated with device run control > +and power management. > + > +Required properites: > + - reg : Offset and length of the register set of RCPM block. > + - compatible : Sould contain a chip-specific RCPM block compatible string > + and (if applicable) may contain a chassis-version RCPM compatible string. > + Chip-specific strings are of the form "fsl,<chip>-rcpm", such as: > + * "fsl,p2041-rcpm" > + * "fsl,p3041-rcpm" > + * "fsl,p4080-rcpm" > + * "fsl,p5020-rcpm" > + * "fsl,p5040-rcpm" > + * "fsl,t4240-rcpm" > + * "fsl,b4420-rcpm" > + * "fsl,b4860-rcpm" > + > + Chassis-version RCPM strings include: > + * "fsl,qoriq-rcpm-1.0": for chassis 1.0 rcpm > + * "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm > + > +All references to "1.0" and "2.0" refer to the QorIQ chassis version to > +which the chip complies. > +Chassis Version Example Chips > +--------------- ------------------------------- > +1.0 p4080, p5020, p5040, p2041, p3041 > +2.0 t4240, b4860, t1040, b4420 I don't think it's accurate to call t1040 chassis 2.0. -Scott -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
