On Fri, May 09, 2014 at 12:08:16AM +0200, Linus Walleij wrote: > This implements basic device tree boot support for the RealView > platforms, with a basic device tree for ARM PB1176 as an example. > > The implementation is done with a new DT-specific board file > using only pre-existing bindings for the basic IRQ, timer and > serial port drivers. A new compatible type is added to the GIC > for the ARM1176. > > This implementation uses the MFD syscon handle from day one to > access the system controller registers, and register the devices > using the SoC bus. > > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > ChangeLog v1->v2: > - Adjust timer clock names to be the same as the example in the > device tree binding. > - Remove all memory fixup code - this should be handled by the > device tree specification of memory areas or by special MM hacks > for the RealView PBX. > - Fix the documentation around syscon to specify that it can be in > any node, need not be the root node. > - Switch device tree license to the BSD license, taken from > arch/powerpc/boot/dts/p1024rdb_32b.dts > - Add a hunk for the new compatible string to > Documentation/devicetree/bindings/arm/gic.txt > - Move the clocks out of the SoC node, certainly the xtal is not > sitting on the SoC... > - Sort the selects in Kconfig alphabetically > - Use IS_ENABLED() for the l2x0 code snippet > - Instead of checking the board variant in the reset routine to > figure out how to tweak the reset controller, have a compatible > string for each syscon variant, map it to an enum that provides a > unique type ID and that way figure out how to handle it in a maybe > more elegant way. > - Open issue: what do to with the l2x0 stuff? > --- > Documentation/devicetree/bindings/arm/arm-boards | 57 ++++++ > Documentation/devicetree/bindings/arm/gic.txt | 1 + > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/arm-realview-pb1176.dts | 177 ++++++++++++++++++ > arch/arm/mach-realview/Kconfig | 10 + > arch/arm/mach-realview/Makefile | 1 + > arch/arm/mach-realview/realview-dt.c | 225 +++++++++++++++++++++++ > arch/arm/mm/Kconfig | 2 +- > drivers/irqchip/irq-gic.c | 1 + > 9 files changed, 474 insertions(+), 1 deletion(-) > create mode 100644 arch/arm/boot/dts/arm-realview-pb1176.dts > create mode 100644 arch/arm/mach-realview/realview-dt.c > ... > diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt > index 5573c08d3180..539420194efd 100644 > --- a/Documentation/devicetree/bindings/arm/gic.txt > +++ b/Documentation/devicetree/bindings/arm/gic.txt > @@ -16,6 +16,7 @@ Main node required properties: > "arm,cortex-a9-gic" > "arm,cortex-a7-gic" > "arm,arm11mp-gic" > + "arm,arm1176jzf-gic" > - interrupt-controller : Identifies the node as an interrupt controller > - #interrupt-cells : Specifies the number of cells needed to encode an > interrupt source. The type shall be a <u32> and the value shall be 3. ... > diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c > index 57d165e026f4..70281b38c73b 100644 > --- a/drivers/irqchip/irq-gic.c > +++ b/drivers/irqchip/irq-gic.c > @@ -1073,6 +1073,7 @@ gic_of_init(struct device_node *node, struct device_node *parent) > } > IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init); > IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init); > +IRQCHIP_DECLARE(arm1176jzf_gic, "arm,arm1176jzf-gic", gic_of_init); > IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init); > IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init); Please place in alphabetical order. We're starting to collect compatible strings for this driver... Acked-by: Jason Cooper <jason@xxxxxxxxxxxxxx> thx, Jason. -- 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
