From: Rob Herring <robh@kernel.org>
To: Andre Przywara <andre.przywara@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, netdev@vger.kernel.org,
Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>,
Michal Simek <michal.simek@xilinx.com>,
linux-kernel@vger.kernel.org,
Robert Hancock <hancock@sedsystems.ca>,
"David S . Miller" <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 14/14] net: axienet: Update devicetree binding documentation
Date: Tue, 21 Jan 2020 15:51:09 -0600 [thread overview]
Message-ID: <20200121215109.GA26808@bogus> (raw)
In-Reply-To: <20200110115415.75683-15-andre.przywara@arm.com>
On Fri, Jan 10, 2020 at 11:54:15AM +0000, Andre Przywara wrote:
> This adds documentation about the newly introduced, optional
> "xlnx,addrwidth" property to the binding documentation.
>
> While at it, clarify the wording on some properties, replace obsolete
> .txt file references with their new .yaml counterparts, and add a more
> modern example, using the axistream-connected property.
>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
> .../bindings/net/xilinx_axienet.txt | 57 ++++++++++++++++---
> 1 file changed, 50 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/net/xilinx_axienet.txt b/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> index 7360617cdedb..78c278c5200f 100644
> --- a/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> +++ b/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> @@ -12,7 +12,8 @@ sent and received through means of an AXI DMA controller. This driver
> includes the DMA driver code, so this driver is incompatible with AXI DMA
> driver.
>
> -For more details about mdio please refer phy.txt file in the same directory.
> +For more details about mdio please refer to the ethernet-phy.yaml file in
> +the same directory.
>
> Required properties:
> - compatible : Must be one of "xlnx,axi-ethernet-1.00.a",
> @@ -27,14 +28,14 @@ Required properties:
> instead, and only the Ethernet core interrupt is optionally
> specified here.
> - phy-handle : Should point to the external phy device.
> - See ethernet.txt file in the same directory.
> -- xlnx,rxmem : Set to allocated memory buffer for Rx/Tx in the hardware
> + See the ethernet-controller.yaml file in the same directory.
> +- xlnx,rxmem : Size of the RXMEM buffer in the hardware, in bytes.
>
> Optional properties:
> -- phy-mode : See ethernet.txt
> +- phy-mode : See ethernet-controller.yaml.
> - xlnx,phy-type : Deprecated, do not use, but still accepted in preference
> to phy-mode.
> -- xlnx,txcsum : 0 or empty for disabling TX checksum offload,
> +- xlnx,txcsum : 0 for disabling TX checksum offload (default if omitted),
> 1 to enable partial TX checksum offload,
> 2 to enable full TX checksum offload
> - xlnx,rxcsum : Same values as xlnx,txcsum but for RX checksum offload
> @@ -48,10 +49,20 @@ Optional properties:
> If this is specified, the DMA-related resources from that
> device (DMA registers and DMA TX/RX interrupts) rather
> than this one will be used.
> - - mdio : Child node for MDIO bus. Must be defined if PHY access is
> +- mdio : Child node for MDIO bus. Must be defined if PHY access is
> required through the core's MDIO interface (i.e. always,
> unless the PHY is accessed through a different bus).
>
> +Required properties for axistream-connected subnode:
> +- reg : Address and length of the AXI DMA controller MMIO space.
> +- interrupts : A list of 2 interrupts: TX DMA and RX DMA, in that order.
> +
> +Optional properties for axistream-connected subnode:
> +- xlnx,addrwidth: Specifies the configured address width of the DMA. Newer
> + versions of the IP allow setting this to a value between
> + 32 and 64. Defaults to 32 bits if not specified.
I think this should be expressed using dma-ranges. This is exactly the
purpose of dma-ranges and we shouldn't need a device specific property
for this sort of thing.
Rob
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next prev parent reply other threads:[~2020-01-21 21:51 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-10 11:54 [PATCH 00/14] net: axienet: Error handling, SGMII and 64-bit DMA fixes Andre Przywara
2020-01-10 11:54 ` [PATCH 01/14] net: xilinx: temac: Relax Kconfig dependencies Andre Przywara
2020-01-10 14:19 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 02/14] net: axienet: Propagate failure of DMA descriptor setup Andre Przywara
2020-01-10 14:54 ` Radhey Shyam Pandey
2020-01-10 17:53 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 03/14] net: axienet: Fix DMA descriptor cleanup path Andre Przywara
2020-01-10 15:14 ` Radhey Shyam Pandey
2020-01-10 15:43 ` Andre Przywara
2020-01-10 17:05 ` Radhey Shyam Pandey
2020-01-16 18:03 ` Andre Przywara
2020-01-20 18:32 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 04/14] net: axienet: Improve DMA error handling Andre Przywara
2020-01-10 15:26 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 05/14] net: axienet: Factor out TX descriptor chain cleanup Andre Przywara
2020-01-10 18:04 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 06/14] net: axienet: Check for DMA mapping errors Andre Przywara
2020-01-13 5:54 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 07/14] net: axienet: Fix SGMII support Andre Przywara
2020-01-10 14:04 ` Andrew Lunn
2020-01-10 14:20 ` Andre Przywara
2020-01-10 14:26 ` Andrew Lunn
2020-01-10 15:04 ` Russell King - ARM Linux admin
2020-01-10 15:22 ` Russell King - ARM Linux admin
2020-01-10 17:04 ` Russell King - ARM Linux admin
2020-01-18 11:22 ` Russell King - ARM Linux admin
2020-01-20 14:50 ` Andre Przywara
2020-01-20 15:45 ` Russell King - ARM Linux admin
2020-01-27 17:04 ` Andre Przywara
2020-01-27 17:20 ` Radhey Shyam Pandey
2020-01-27 18:53 ` Russell King - ARM Linux admin
2020-04-22 1:45 ` Xilinx axienet 1000BaseX support (was: Re: [PATCH 07/14] net: axienet: Fix SGMII support) Robert Hancock
2020-04-22 7:51 ` Russell King - ARM Linux admin
2020-04-22 16:31 ` Xilinx axienet 1000BaseX support Robert Hancock
2020-04-28 21:59 ` Robert Hancock
2020-04-28 23:01 ` Russell King - ARM Linux admin
2020-04-28 23:51 ` Robert Hancock
2020-04-29 8:21 ` Russell King - ARM Linux admin
2020-01-10 14:58 ` [PATCH 07/14] net: axienet: Fix SGMII support Russell King - ARM Linux admin
2020-01-10 17:32 ` Andre Przywara
2020-01-10 18:05 ` Russell King - ARM Linux admin
2020-01-10 19:33 ` Andrew Lunn
2020-01-10 11:54 ` [PATCH 08/14] net: axienet: Drop MDIO interrupt registers from ethtools dump Andre Przywara
2020-01-13 6:02 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 09/14] net: axienet: Add mii-tool support Andre Przywara
2020-01-13 6:12 ` Radhey Shyam Pandey
2020-03-12 11:41 ` Andre Przywara
2020-01-10 11:54 ` [PATCH 10/14] net: axienet: Wrap DMA pointer writes to prepare for 64 bit Andre Przywara
2020-01-10 11:54 ` [PATCH 11/14] net: axienet: Upgrade descriptors to hold 64-bit addresses Andre Przywara
2020-01-14 16:35 ` Radhey Shyam Pandey
2020-01-14 17:29 ` Andre Przywara
2020-01-10 11:54 ` [PATCH 12/14] net: axienet: Autodetect 64-bit DMA capability Andre Przywara
2020-01-10 14:08 ` Andrew Lunn
2020-01-10 14:13 ` Andre Przywara
2020-01-10 14:22 ` Andrew Lunn
2020-01-10 15:08 ` Andre Przywara
2020-01-10 15:22 ` Andrew Lunn
2020-01-14 17:03 ` Radhey Shyam Pandey
2020-01-14 17:41 ` Andre Przywara
2020-01-15 6:02 ` Radhey Shyam Pandey
2020-01-10 11:54 ` [PATCH 13/14] net: axienet: Allow DMA to beyond 4GB Andre Przywara
2020-01-10 11:54 ` [PATCH 14/14] net: axienet: Update devicetree binding documentation Andre Przywara
2020-01-21 21:51 ` Rob Herring [this message]
2020-01-24 16:29 ` Andre Przywara
2020-01-27 9:28 ` Radhey Shyam Pandey
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