From: Romain Perier <romain.perier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Heiko Stübner" <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
"open list:ARM/Rockchip SoC..."
<linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
devicetree <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] ARM: dts: rockchip: Add DMA tx and rx channels in UART interfaces for RK3288 SoCs
Date: Tue, 23 Jun 2015 08:53:17 +0200 [thread overview]
Message-ID: <CABgxDo+8MafT8hOzpG=gjju=S7bVtNBOKxmi_JPHv1bDZSGeCQ@mail.gmail.com> (raw)
In-Reply-To: <1434475166-30338-1-git-send-email-romain.perier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
ping :)
2015-06-16 19:19 GMT+02:00 Romain Perier <romain.perier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>:
> This enable DMA capability for the corresponding UART interfaces, also it removes
> warning "ttyS%d - Failed to request dma" from kernel logs.
>
> Signed-off-by: Romain Perier <romain.perier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
>
> Changes since v1 ("[PATCH] ARM: dts: rockchip: Add dmac_bus rx and tx for uart2"):
> - Add DMA tx and rx channels for all UART interfaces
> - Rename commit summary
>
> arch/arm/boot/dts/rk3288.dtsi | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> index 22316d0..1996452 100644
> --- a/arch/arm/boot/dts/rk3288.dtsi
> +++ b/arch/arm/boot/dts/rk3288.dtsi
> @@ -359,6 +359,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart0_xfer>;
> + dmas = <&dmac_peri 1>, <&dmac_peri 2>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -372,6 +374,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart1_xfer>;
> + dmas = <&dmac_peri 3>, <&dmac_peri 4>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -385,6 +389,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart2_xfer>;
> + dmas = <&dmac_bus_s 4>, <&dmac_bus_s 5>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -398,6 +404,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart3_xfer>;
> + dmas = <&dmac_peri 7>, <&dmac_peri 8>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -411,6 +419,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart4_xfer>;
> + dmas = <&dmac_peri 9>, <&dmac_peri 10>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> --
> 1.9.1
>
--
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WARNING: multiple messages have this Message-ID (diff)
From: romain.perier@gmail.com (Romain Perier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: rockchip: Add DMA tx and rx channels in UART interfaces for RK3288 SoCs
Date: Tue, 23 Jun 2015 08:53:17 +0200 [thread overview]
Message-ID: <CABgxDo+8MafT8hOzpG=gjju=S7bVtNBOKxmi_JPHv1bDZSGeCQ@mail.gmail.com> (raw)
In-Reply-To: <1434475166-30338-1-git-send-email-romain.perier@gmail.com>
ping :)
2015-06-16 19:19 GMT+02:00 Romain Perier <romain.perier@gmail.com>:
> This enable DMA capability for the corresponding UART interfaces, also it removes
> warning "ttyS%d - Failed to request dma" from kernel logs.
>
> Signed-off-by: Romain Perier <romain.perier@gmail.com>
> ---
>
> Changes since v1 ("[PATCH] ARM: dts: rockchip: Add dmac_bus rx and tx for uart2"):
> - Add DMA tx and rx channels for all UART interfaces
> - Rename commit summary
>
> arch/arm/boot/dts/rk3288.dtsi | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> index 22316d0..1996452 100644
> --- a/arch/arm/boot/dts/rk3288.dtsi
> +++ b/arch/arm/boot/dts/rk3288.dtsi
> @@ -359,6 +359,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart0_xfer>;
> + dmas = <&dmac_peri 1>, <&dmac_peri 2>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -372,6 +374,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart1_xfer>;
> + dmas = <&dmac_peri 3>, <&dmac_peri 4>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -385,6 +389,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart2_xfer>;
> + dmas = <&dmac_bus_s 4>, <&dmac_bus_s 5>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -398,6 +404,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart3_xfer>;
> + dmas = <&dmac_peri 7>, <&dmac_peri 8>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> @@ -411,6 +419,8 @@
> clock-names = "baudclk", "apb_pclk";
> pinctrl-names = "default";
> pinctrl-0 = <&uart4_xfer>;
> + dmas = <&dmac_peri 9>, <&dmac_peri 10>;
> + dma-names = "tx", "rx";
> status = "disabled";
> };
>
> --
> 1.9.1
>
next prev parent reply other threads:[~2015-06-23 6:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 17:19 [PATCH] ARM: dts: rockchip: Add DMA tx and rx channels in UART interfaces for RK3288 SoCs Romain Perier
2015-06-16 17:19 ` Romain Perier
[not found] ` <1434475166-30338-1-git-send-email-romain.perier-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-06-23 6:53 ` Romain Perier [this message]
2015-06-23 6:53 ` Romain Perier
[not found] ` <CABgxDo+8MafT8hOzpG=gjju=S7bVtNBOKxmi_JPHv1bDZSGeCQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-23 11:09 ` Heiko Stübner
2015-06-23 11:09 ` Heiko Stübner
2015-06-23 11:55 ` Romain Perier
2015-06-23 11:55 ` Romain Perier
2015-06-23 21:11 ` Sonny Rao
2015-06-23 21:11 ` Sonny Rao
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