From: kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org To: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>, Lee Jones <lee-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>, Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>, Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Martin Sperl <kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> Subject: [PATCH V2 1/3] dt/bindings: bcm2835: add interrupt-names property Date: Mon, 11 Apr 2016 13:29:07 +0000 [thread overview] Message-ID: <1460381349-14408-2-git-send-email-kernel@martin.sperl.org> (raw) In-Reply-To: <1460381349-14408-1-git-send-email-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> From: Martin Sperl <kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> Added standard interrupt-names property so that platform_get_irq_byname() can get used to fetch the interrupt corresponding to each dma_channel instead of the current platform_get_irq() with an assumed ordering of the interrupts. Signed-off-by: Martin Sperl <kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Acked-by: Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org> Acked-by: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org> --- .../devicetree/bindings/dma/brcm,bcm2835-dma.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt b/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt index 1396078..baf9b34 100644 --- a/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt +++ b/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt @@ -12,6 +12,10 @@ Required properties: - reg: Should contain DMA registers location and length. - interrupts: Should contain the DMA interrupts associated to the DMA channels in ascending order. +- interrupt-names: Should contain the names of the interrupt + in the form "dmaXX". + Use "dma-shared-all" for the common interrupt line + that is shared by all dma channels. - #dma-cells: Must be <1>, the cell in the dmas property of the client device represents the DREQ number. - brcm,dma-channel-mask: Bit mask representing the channels @@ -34,13 +38,35 @@ dma: dma@7e007000 { <1 24>, <1 25>, <1 26>, + /* dma channel 11-14 share one irq */ <1 27>, + <1 27>, + <1 27>, + <1 27>, + /* unused shared irq for all channels */ <1 28>; + interrupt-names = "dma0", + "dma1", + "dma2", + "dma3", + "dma4", + "dma5", + "dma6", + "dma7", + "dma8", + "dma9", + "dma10", + "dma11", + "dma12", + "dma13", + "dma14", + "dma-shared-all"; #dma-cells = <1>; brcm,dma-channel-mask = <0x7f35>; }; + DMA clients connected to the BCM2835 DMA controller must use the format described in the dma.txt file, using a two-cell specifier for each channel. -- 2.1.4 -- 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: kernel@martin.sperl.org (kernel at martin.sperl.org) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH V2 1/3] dt/bindings: bcm2835: add interrupt-names property Date: Mon, 11 Apr 2016 13:29:07 +0000 [thread overview] Message-ID: <1460381349-14408-2-git-send-email-kernel@martin.sperl.org> (raw) In-Reply-To: <1460381349-14408-1-git-send-email-kernel@martin.sperl.org> From: Martin Sperl <kernel@martin.sperl.org> Added standard interrupt-names property so that platform_get_irq_byname() can get used to fetch the interrupt corresponding to each dma_channel instead of the current platform_get_irq() with an assumed ordering of the interrupts. Signed-off-by: Martin Sperl <kernel@martin.sperl.org> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Eric Anholt <eric@anholt.net> Acked-by: Mark Rutland <mark.rutland@arm.com> --- .../devicetree/bindings/dma/brcm,bcm2835-dma.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt b/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt index 1396078..baf9b34 100644 --- a/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt +++ b/Documentation/devicetree/bindings/dma/brcm,bcm2835-dma.txt @@ -12,6 +12,10 @@ Required properties: - reg: Should contain DMA registers location and length. - interrupts: Should contain the DMA interrupts associated to the DMA channels in ascending order. +- interrupt-names: Should contain the names of the interrupt + in the form "dmaXX". + Use "dma-shared-all" for the common interrupt line + that is shared by all dma channels. - #dma-cells: Must be <1>, the cell in the dmas property of the client device represents the DREQ number. - brcm,dma-channel-mask: Bit mask representing the channels @@ -34,13 +38,35 @@ dma: dma at 7e007000 { <1 24>, <1 25>, <1 26>, + /* dma channel 11-14 share one irq */ <1 27>, + <1 27>, + <1 27>, + <1 27>, + /* unused shared irq for all channels */ <1 28>; + interrupt-names = "dma0", + "dma1", + "dma2", + "dma3", + "dma4", + "dma5", + "dma6", + "dma7", + "dma8", + "dma9", + "dma10", + "dma11", + "dma12", + "dma13", + "dma14", + "dma-shared-all"; #dma-cells = <1>; brcm,dma-channel-mask = <0x7f35>; }; + DMA clients connected to the BCM2835 DMA controller must use the format described in the dma.txt file, using a two-cell specifier for each channel. -- 2.1.4
next prev parent reply other threads:[~2016-04-11 13:29 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-04-11 13:29 [PATCH V2 0/3] dmaengine: bcm2835: support dma channel 11 to 14 kernel-TqfNSX0MhmxHKSADF0wUEw 2016-04-11 13:29 ` kernel at martin.sperl.org [not found] ` <1460381349-14408-1-git-send-email-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> 2016-04-11 13:29 ` kernel-TqfNSX0MhmxHKSADF0wUEw [this message] 2016-04-11 13:29 ` [PATCH V2 1/3] dt/bindings: bcm2835: add interrupt-names property kernel at martin.sperl.org 2016-04-11 13:29 ` [PATCH V2 2/3] dmaengine: bcm2835: use platform_get_irq_byname kernel-TqfNSX0MhmxHKSADF0wUEw 2016-04-11 13:29 ` kernel at martin.sperl.org [not found] ` <1460381349-14408-3-git-send-email-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> 2016-04-20 6:51 ` Geert Uytterhoeven 2016-04-20 6:51 ` Geert Uytterhoeven [not found] ` <CAMuHMdW2Jw5=f9ojNSM0d1cGvPc6_QxwH4rcQdWBQTP89zyj4Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2016-04-20 11:06 ` Martin Sperl 2016-04-20 11:06 ` Martin Sperl [not found] ` <571762A7.7000005-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> 2016-04-20 11:12 ` Geert Uytterhoeven 2016-04-20 11:12 ` Geert Uytterhoeven [not found] ` <CAMuHMdUgfyLrdmfHLHd3eNh79FcJarVPuhbxtU4XYZok=skLkw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2016-04-20 13:11 ` Vinod Koul 2016-04-20 13:11 ` Vinod Koul 2016-04-11 13:29 ` [PATCH V2 3/3] ARM: bcm2835: add interrupt-names and apply correct mapping kernel-TqfNSX0MhmxHKSADF0wUEw 2016-04-11 13:29 ` kernel at martin.sperl.org 2016-04-19 15:33 ` [PATCH V2 0/3] dmaengine: bcm2835: support dma channel 11 to 14 Vinod Koul 2016-04-19 15:33 ` Vinod Koul
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