From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> To: Heiner Kallweit <hkallweit1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Cc: Jerome Brunet <jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>, Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-amlogic-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: Re: [PATCH 2/5] pintrl: meson: document GPIO IRQ DT binding Date: Fri, 12 May 2017 14:38:06 -0500 [thread overview] Message-ID: <20170512193806.trt7jbvfyygkqard@rob-hp-laptop> (raw) In-Reply-To: <0d835130-7c6c-751c-af15-c2ab69edcb42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> On Sun, May 07, 2017 at 06:34:09PM +0200, Heiner Kallweit wrote: > Document the DT binding for GPIO IRQ support on Amlogic Meson SoC's. > > This documentation is intentionally not placed under > interrupt-controllers as GPIO IRQ support on these SoC's acts more > like an interrupt multiplexer. > > Signed-off-by: Heiner Kallweit <hkallweit1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> > --- > .../bindings/gpio/amlogic,meson-gpio-interrupt.txt | 30 ++++++++++++++++++++++ Seems more like an irqchip? > 1 file changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt > > diff --git a/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt b/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt > new file mode 100644 > index 00000000..35a052b8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt > @@ -0,0 +1,30 @@ > +Amlogic meson GPIO interrupt controller > + > +Meson SoCs contains an interrupt controller which is able watch the SoC pads > +and generate an interrupt on edges or level. The controller is essentially a > +256 pads to 8 GIC interrupt multiplexer, with a filter block to select edge > +or level and polarity. We don't expose all 256 mux inputs because the > +documentation shows that upper part is not mapped to any pad. The actual number > +of interrupt exposed depends on the SoC. > + > +Required properties: > + > +- compatible : should be "amlogic,meson-gpio-interrupt", "syscon". Why syscon? > +- reg : Specifies base physical address and size of the registers. > +- interrupts : list of GIC interrupts which can be used with the > + GPIO IRQ multiplexer What about interrupt-controller property? > + > +Example: > + > +gpio_irq@9880 { interrupt-controller@... > + compatible = "amlogic,meson-gpio-interrupt", "syscon"; > + reg = <0x0 0x09880 0x0 0x10>; > + interrupts = <GIC_SPI 64 IRQ_TYPE_NONE>, > + <GIC_SPI 65 IRQ_TYPE_NONE>, > + <GIC_SPI 66 IRQ_TYPE_NONE>, > + <GIC_SPI 67 IRQ_TYPE_NONE>, > + <GIC_SPI 68 IRQ_TYPE_NONE>, > + <GIC_SPI 69 IRQ_TYPE_NONE>, > + <GIC_SPI 70 IRQ_TYPE_NONE>, > + <GIC_SPI 71 IRQ_TYPE_NONE>; > + }; > -- > 2.12.2 > > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: robh@kernel.org (Rob Herring) To: linus-amlogic@lists.infradead.org Subject: [PATCH 2/5] pintrl: meson: document GPIO IRQ DT binding Date: Fri, 12 May 2017 14:38:06 -0500 [thread overview] Message-ID: <20170512193806.trt7jbvfyygkqard@rob-hp-laptop> (raw) In-Reply-To: <0d835130-7c6c-751c-af15-c2ab69edcb42@gmail.com> On Sun, May 07, 2017 at 06:34:09PM +0200, Heiner Kallweit wrote: > Document the DT binding for GPIO IRQ support on Amlogic Meson SoC's. > > This documentation is intentionally not placed under > interrupt-controllers as GPIO IRQ support on these SoC's acts more > like an interrupt multiplexer. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> > --- > .../bindings/gpio/amlogic,meson-gpio-interrupt.txt | 30 ++++++++++++++++++++++ Seems more like an irqchip? > 1 file changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt > > diff --git a/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt b/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt > new file mode 100644 > index 00000000..35a052b8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/amlogic,meson-gpio-interrupt.txt > @@ -0,0 +1,30 @@ > +Amlogic meson GPIO interrupt controller > + > +Meson SoCs contains an interrupt controller which is able watch the SoC pads > +and generate an interrupt on edges or level. The controller is essentially a > +256 pads to 8 GIC interrupt multiplexer, with a filter block to select edge > +or level and polarity. We don't expose all 256 mux inputs because the > +documentation shows that upper part is not mapped to any pad. The actual number > +of interrupt exposed depends on the SoC. > + > +Required properties: > + > +- compatible : should be "amlogic,meson-gpio-interrupt", "syscon". Why syscon? > +- reg : Specifies base physical address and size of the registers. > +- interrupts : list of GIC interrupts which can be used with the > + GPIO IRQ multiplexer What about interrupt-controller property? > + > +Example: > + > +gpio_irq at 9880 { interrupt-controller at ... > + compatible = "amlogic,meson-gpio-interrupt", "syscon"; > + reg = <0x0 0x09880 0x0 0x10>; > + interrupts = <GIC_SPI 64 IRQ_TYPE_NONE>, > + <GIC_SPI 65 IRQ_TYPE_NONE>, > + <GIC_SPI 66 IRQ_TYPE_NONE>, > + <GIC_SPI 67 IRQ_TYPE_NONE>, > + <GIC_SPI 68 IRQ_TYPE_NONE>, > + <GIC_SPI 69 IRQ_TYPE_NONE>, > + <GIC_SPI 70 IRQ_TYPE_NONE>, > + <GIC_SPI 71 IRQ_TYPE_NONE>; > + }; > -- > 2.12.2 > > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo at vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2017-05-12 19:38 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-05-07 16:19 [PATCH 0/5 RfC] pintrl: meson: add support for GPIO IRQs Heiner Kallweit 2017-05-07 16:19 ` Heiner Kallweit 2017-05-07 16:34 ` [PATCH 1/5] pintrl: meson: add interrupts to pinctrl data Heiner Kallweit 2017-05-07 16:34 ` Heiner Kallweit 2017-05-11 14:50 ` Linus Walleij 2017-05-11 14:50 ` Linus Walleij 2017-05-11 16:08 ` Jerome Brunet 2017-05-11 16:08 ` Jerome Brunet 2017-05-11 19:33 ` Heiner Kallweit 2017-05-11 19:33 ` Heiner Kallweit [not found] ` <7ed5a88a-43dd-f7ab-2794-48ceb5a62a93-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-05-12 6:08 ` Heiner Kallweit 2017-05-12 6:08 ` Heiner Kallweit 2017-05-12 9:51 ` Linus Walleij 2017-05-12 9:51 ` Linus Walleij 2017-05-12 17:23 ` Heiner Kallweit 2017-05-12 17:23 ` Heiner Kallweit 2017-05-07 16:34 ` [PATCH 2/5] pintrl: meson: document GPIO IRQ DT binding Heiner Kallweit 2017-05-07 16:34 ` Heiner Kallweit [not found] ` <0d835130-7c6c-751c-af15-c2ab69edcb42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-05-12 19:38 ` Rob Herring [this message] 2017-05-12 19:38 ` Rob Herring 2017-05-12 21:41 ` Heiner Kallweit 2017-05-12 21:41 ` Heiner Kallweit [not found] ` <b39f1742-0558-beaa-1e06-eed80d644424-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-05-16 0:31 ` Rob Herring 2017-05-16 0:31 ` Rob Herring 2017-05-07 16:34 ` [PATCH 3/5] pintrl: meson: add DT node for GPIO IRQ on Meson GX Heiner Kallweit 2017-05-07 16:34 ` Heiner Kallweit 2017-05-07 16:34 ` [PATCH 4/5] pintrl: meson: add DT node for GPIO IRQ on Meson 8 / 8b Heiner Kallweit 2017-05-07 16:34 ` Heiner Kallweit [not found] ` <a4ca587b-d3e8-a22d-4d25-289871d2d095-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2017-05-07 16:34 ` [PATCH 5/5] pintrl: meson: add support for GPIO interrupts Heiner Kallweit 2017-05-07 16:34 ` Heiner Kallweit 2017-05-11 15:10 ` Linus Walleij 2017-05-11 15:10 ` Linus Walleij 2017-05-11 14:34 ` [PATCH 0/5 RfC] pintrl: meson: add support for GPIO IRQs Linus Walleij 2017-05-11 14:34 ` Linus Walleij [not found] ` <CACRpkdbeA9pwnOFjdryKjeyZewLWA7Q6ZRbxc=MreT0zJMbgQA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2017-05-11 20:52 ` Martin Blumenstingl 2017-05-11 20:52 ` Martin Blumenstingl
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