| Message ID | 1497457750-35585-3-git-send-email-phil@raspberrypi.org |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
Hi Phil, > Phil Elwell <phil@raspberrypi.org> hat am 14. Juni 2017 um 18:29 geschrieben: > > > Add bindings documentation for brcm,bcm2835-aux-intc and human-readable > declarations for the BCM2835 AUX IRQs. > > Signed-off-by: Phil Elwell <phil@raspberrypi.org> > Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> > --- > .../interrupt-controller/brcm,bcm2835-aux-intc.txt | 27 ++++++++++++++++++++++ > .../interrupt-controller/bcm2835-aux-intc.h | 20 ++++++++++++++++ > 2 files changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt > create mode 100644 include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt > new file mode 100644 > index 0000000..9cbbab6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt > @@ -0,0 +1,27 @@ > +BCM2835 Auxiliary ("AUXIRQ") Interrupt Controller > + > +The BCM2835 family of SoCs multiplexes the interrupts for peripherals in > +the AUX block into a single IRQ. The AUXIRQ register shows the IRQ status > +of each of the peripherals. Note that there are no masking or clearing > +facilities - interrupts must be enabled and acknowledged in the > +individual peripherals. > + > +Required properties: > +- compatible : Should be "brcm,bcm2835-aux-intc". > +- reg : Specifies base physical address and size of the registers. > +- interrupts : The interrupt number - see > + bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt > +- interrupt-controller : Identifies the node as an interrupt controller > +- #interrupt-cells : Specifies the number of cells needed to encode an > + interrupt source. The value shall be 1. > + > + The cell contains the interrupt specifier, as found in > + include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h. > + > +Example: > + > + auxintc: interrupt-controller@7e215000 { > + compatible = "brcm,bcm2835-aux-intc"; > + reg = <0x7e215000 0x4>; > + interrupts = <1 29>; > + interrupt-controller; looks like the end of the file has been truncated and example misses some lines. > diff --git a/include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h b/include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h > new file mode 100644 > index 0000000..8b9fc12 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt new file mode 100644 index 0000000..9cbbab6 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/brcm,bcm2835-aux-intc.txt @@ -0,0 +1,27 @@ +BCM2835 Auxiliary ("AUXIRQ") Interrupt Controller + +The BCM2835 family of SoCs multiplexes the interrupts for peripherals in +the AUX block into a single IRQ. The AUXIRQ register shows the IRQ status +of each of the peripherals. Note that there are no masking or clearing +facilities - interrupts must be enabled and acknowledged in the +individual peripherals. + +Required properties: +- compatible : Should be "brcm,bcm2835-aux-intc". +- reg : Specifies base physical address and size of the registers. +- interrupts : The interrupt number - see + bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt +- interrupt-controller : Identifies the node as an interrupt controller +- #interrupt-cells : Specifies the number of cells needed to encode an + interrupt source. The value shall be 1. + + The cell contains the interrupt specifier, as found in + include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h. + +Example: + + auxintc: interrupt-controller@7e215000 { + compatible = "brcm,bcm2835-aux-intc"; + reg = <0x7e215000 0x4>; + interrupts = <1 29>; + interrupt-controller; diff --git a/include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h b/include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h new file mode 100644 index 0000000..8b9fc12 --- /dev/null +++ b/include/dt-bindings/interrupt-controller/bcm2835-aux-intc.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2017 Raspberry Pi (Trading) Ltd. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define BCM2835_AUX_IRQ_UART 0 +#define BCM2835_AUX_IRQ_SPI1 1 +#define BCM2835_AUX_IRQ_SPI2 2 +#define BCM2835_AUX_IRQ_COUNT 3