From: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> To: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Janos Laube <janos.dev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Paulius Zaleckas <paulius.zaleckas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, openwrt-devel-p3rKhJxN3npAfugRpC6u6w@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Hans Ulli Kroll <ulli.kroll-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>, Florian Fainelli <f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Kuo-Jung Su <dantesu-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH 2/6] dma: pl08x: Add Faraday FTDMAC020 to compatible list Date: Sat, 8 Apr 2017 14:04:53 +0200 [thread overview] Message-ID: <20170408120457.22750-2-linus.walleij@linaro.org> (raw) In-Reply-To: <20170408120457.22750-1-linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> This augments the PL08x bindings to include the Faraday Technology FTDMAC020 DMA engine, as it is clearly a derivative of the PL08x PrimeCell. Also specify that it needs the special peripheral ID specified to work properly. Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> --- Seeking a DT maintainer ACK on this. --- Documentation/devicetree/bindings/dma/arm-pl08x.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/arm-pl08x.txt b/Documentation/devicetree/bindings/dma/arm-pl08x.txt index 8a0097a029d3..0ba81f79266f 100644 --- a/Documentation/devicetree/bindings/dma/arm-pl08x.txt +++ b/Documentation/devicetree/bindings/dma/arm-pl08x.txt @@ -3,6 +3,11 @@ Required properties: - compatible: "arm,pl080", "arm,primecell"; "arm,pl081", "arm,primecell"; + "faraday,ftdmac020", "arm,primecell" +- arm,primecell-periphid: on the FTDMAC020 the primecell ID is not hard-coded + in the hardware and must be specified here as <0x0003b080>. This number + follows the PrimeCell standard numbering using the JEP106 vendor code 0x38 + for Faraday Technology. - reg: Address range of the PL08x registers - interrupt: The PL08x interrupt number - clocks: The clock running the IP core clock @@ -20,8 +25,8 @@ Optional properties: - dma-requests: contains the total number of DMA requests supported by the DMAC - memcpy-burst-size: the size of the bursts for memcpy: 1, 4, 8, 16, 32 64, 128 or 256 bytes are legal values -- memcpy-bus-width: the bus width used for memcpy: 8, 16 or 32 are legal - values +- memcpy-bus-width: the bus width used for memcpy in bits: 8, 16 or 32 are legal + values, the Faraday FTDMAC020 can also accept 64 bits Clients Required properties: -- 2.9.3 -- 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
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From: linus.walleij@linaro.org (Linus Walleij) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/6] dma: pl08x: Add Faraday FTDMAC020 to compatible list Date: Sat, 8 Apr 2017 14:04:53 +0200 [thread overview] Message-ID: <20170408120457.22750-2-linus.walleij@linaro.org> (raw) In-Reply-To: <20170408120457.22750-1-linus.walleij@linaro.org> This augments the PL08x bindings to include the Faraday Technology FTDMAC020 DMA engine, as it is clearly a derivative of the PL08x PrimeCell. Also specify that it needs the special peripheral ID specified to work properly. Cc: devicetree at vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- Seeking a DT maintainer ACK on this. --- Documentation/devicetree/bindings/dma/arm-pl08x.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/arm-pl08x.txt b/Documentation/devicetree/bindings/dma/arm-pl08x.txt index 8a0097a029d3..0ba81f79266f 100644 --- a/Documentation/devicetree/bindings/dma/arm-pl08x.txt +++ b/Documentation/devicetree/bindings/dma/arm-pl08x.txt @@ -3,6 +3,11 @@ Required properties: - compatible: "arm,pl080", "arm,primecell"; "arm,pl081", "arm,primecell"; + "faraday,ftdmac020", "arm,primecell" +- arm,primecell-periphid: on the FTDMAC020 the primecell ID is not hard-coded + in the hardware and must be specified here as <0x0003b080>. This number + follows the PrimeCell standard numbering using the JEP106 vendor code 0x38 + for Faraday Technology. - reg: Address range of the PL08x registers - interrupt: The PL08x interrupt number - clocks: The clock running the IP core clock @@ -20,8 +25,8 @@ Optional properties: - dma-requests: contains the total number of DMA requests supported by the DMAC - memcpy-burst-size: the size of the bursts for memcpy: 1, 4, 8, 16, 32 64, 128 or 256 bytes are legal values -- memcpy-bus-width: the bus width used for memcpy: 8, 16 or 32 are legal - values +- memcpy-bus-width: the bus width used for memcpy in bits: 8, 16 or 32 are legal + values, the Faraday FTDMAC020 can also accept 64 bits Clients Required properties: -- 2.9.3
next prev parent reply other threads:[~2017-04-08 12:04 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-04-08 12:04 [PATCH 1/6] ARM/dma: pl08x: pass reasonable memcpy settings Linus Walleij [not found] ` <20170408120457.22750-1-linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2017-04-08 12:04 ` Linus Walleij [this message] 2017-04-08 12:04 ` [PATCH 2/6] dma: pl08x: Add Faraday FTDMAC020 to compatible list Linus Walleij [not found] ` <20170408120457.22750-2-linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2017-04-13 20:03 ` Rob Herring 2017-04-13 20:03 ` Rob Herring 2017-04-08 12:04 ` [PATCH 3/6] dma: pl08x: Make slave engine optional Linus Walleij 2017-04-08 12:04 ` [PATCH 4/6] dma: pl08x: Add support for Faraday Technology FTDMAC020 Linus Walleij 2017-05-14 12:34 ` Vinod Koul 2017-05-20 17:56 ` Linus Walleij 2017-05-24 4:11 ` Vinod Koul 2017-04-08 12:04 ` [PATCH 5/6] ARM: gemini: select ARM_AMBA Linus Walleij 2017-04-08 12:04 ` [PATCH 6/6] ARM: dts: Add Gemini DMA controller Linus Walleij 2017-04-19 13:58 ` [PATCH 1/6] ARM/dma: pl08x: pass reasonable memcpy settings Olof Johansson 2017-04-19 19:43 ` Arnd Bergmann
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