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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Serge Semin <fancer.lancer@gmail.com>,
	Georgy Vlasov <Georgy.Vlasov@baikalelectronics.ru>,
	Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>,
	Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Paul Burton <paulburton@kernel.org>,
	Ralf Baechle <ralf@linux-mips.org>, Arnd Bergmann <arnd@arndb.de>,
	Allison Randal <allison@lohutok.net>,
	Gareth Williams <gareth.williams.jx@renesas.com>,
	linux-mips@vger.kernel.org,
	Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>,
	linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 01/19] dt-bindings: spi: dw: Add Tx/Rx DMA properties
Date: Fri, 15 May 2020 14:51:51 +0300	[thread overview]
Message-ID: <20200515115151.GU185537@smile.fi.intel.com> (raw)
In-Reply-To: <20200515104758.6934-2-Sergey.Semin@baikalelectronics.ru>

On Fri, May 15, 2020 at 01:47:40PM +0300, Serge Semin wrote:
> Since commit 22d48ad7bfac ("spi: dw: Add Elkhart Lake PSE DMA support")
> the spi-dw-mid.c module supports a platform DMA engine handling the DW APB
> SSI controller requests. Lets alter the DW SPI bindings file to accept the
> Rx and Tx DMA line specifiers.

I'm wondering if these properties are implied by the SPI generic one?
(forgive me if I'm not understanding all DT schema relations)

Per se looks good.

> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> Cc: Georgy Vlasov <Georgy.Vlasov@baikalelectronics.ru>
> Cc: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Paul Burton <paulburton@kernel.org>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Allison Randal <allison@lohutok.net>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Gareth Williams <gareth.williams.jx@renesas.com>
> Cc: linux-mips@vger.kernel.org
> 
> ---
> 
> Changelog v2:
> - Revert the order of the DT changes: first add the DMA channels support,
>   then perform the binding file conversion.
> ---
>  Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
> index 7a4702edf896..020e3168ee41 100644
> --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
> +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
> @@ -23,6 +23,8 @@ Optional properties:
>  - num-cs : The number of chipselects. If omitted, this will default to 4.
>  - reg-io-width : The I/O register width (in bytes) implemented by this
>    device.  Supported values are 2 or 4 (the default).
> +- dmas : Phandle + identifiers of Tx and Rx DMA channels.
> +- dma-names : Contains the names of the DMA channels. Must be "tx" and "rx".
>  
>  Child nodes as per the generic SPI binding.
>  
> -- 
> 2.25.1
> 

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2020-05-15 11:51 UTC|newest]

Thread overview: 106+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-08 13:29 [PATCH 00/17] spi: dw: Add generic DW DMA controller support Serge Semin
2020-05-08 13:29 ` [PATCH 01/17] dt-bindings: spi: Convert DW SPI binding to DT schema Serge Semin
2020-05-08 19:39   ` Andy Shevchenko
2020-05-12 20:28     ` Serge Semin
2020-05-12 20:35       ` Andy Shevchenko
2020-05-08 13:29 ` [PATCH 02/17] dt-bindings: spi: dw: Add DMA properties bindings Serge Semin
2020-05-08 13:29 ` [PATCH 04/17] spi: dw: Cleanup generic DW DMA code namings Serge Semin
2020-05-08 19:43   ` Andy Shevchenko
2020-05-12 21:26     ` Serge Semin
2020-05-12 21:37       ` Andy Shevchenko
2020-05-08 13:29 ` [PATCH 06/17] spi: dw: Add DW SPI DMA/PCI/MMIO dependency on DW SPI core Serge Semin
2020-05-08 13:29 ` [PATCH 08/17] spi: dw: Clear DMAC register when done or stopped Serge Semin
2020-05-08 17:31   ` Mark Brown
2020-05-13 11:56     ` Serge Semin
2020-05-08 13:29 ` [PATCH 09/17] spi: dw: Enable interrupts in accordance with DMA xfer mode Serge Semin
2020-05-08 13:29 ` [PATCH 10/17] spi: dw: Parameterize the DMA Rx/Tx burst length Serge Semin
2020-05-08 13:29 ` [PATCH 12/17] spi: dw: Fix dma_slave_config used partly uninitialized Serge Semin
2020-05-08 19:20   ` Andy Shevchenko
2020-05-08 13:29 ` [PATCH 13/17] spi: dw: Initialize paddr in DW SPI MMIO private data Serge Semin
2020-05-08 19:21   ` Andy Shevchenko
2020-05-13 12:30     ` Serge Semin
2020-05-08 13:33 ` [PATCH 00/17] spi: dw: Add generic DW DMA controller support Mark Brown
2020-05-12 20:07   ` Serge Semin
2020-05-13 10:23     ` Mark Brown
2020-05-13 11:04       ` Serge Semin
2020-05-13 11:21         ` Mark Brown
2020-05-13 11:42           ` Serge Semin
     [not found] ` <20200508132943.9826-8-Sergey.Semin@baikalelectronics.ru>
2020-05-08 17:30   ` [PATCH 07/17] spi: dw: Add Tx/Rx finish wait methods to DMA Mark Brown
     [not found]     ` <20200513113555.mjivjk374giopnea@mobilestation>
2020-05-13 11:36       ` Mark Brown
2020-05-08 17:36 ` [PATCH 00/17] spi: dw: Add generic DW DMA controller support Mark Brown
2020-05-08 19:16   ` Andy Shevchenko
2020-05-12 20:34     ` Serge Semin
2020-05-12 20:30   ` Serge Semin
     [not found] ` <20200508132943.9826-15-Sergey.Semin@baikalelectronics.ru>
2020-05-08 19:23   ` [PATCH 14/17] spi: dw: Add DMA support to the DW SPI MMIO driver Andy Shevchenko
     [not found] ` <20200508132943.9826-17-Sergey.Semin@baikalelectronics.ru>
2020-05-08 19:27   ` [PATCH 16/17] spi: dw: Fix Rx-only DMA transfers Andy Shevchenko
     [not found] ` <20200508132943.9826-18-Sergey.Semin@baikalelectronics.ru>
2020-05-08 19:30   ` [PATCH 17/17] spi: dw: Use regset32 DebugFS method to create a registers file Andy Shevchenko
     [not found]     ` <20200513124422.z6ctlmvipwer45q4@mobilestation>
2020-05-13 14:41       ` Andy Shevchenko
2020-05-08 19:33 ` [PATCH 00/17] spi: dw: Add generic DW DMA controller support Andy Shevchenko
     [not found] ` <20200508132943.9826-12-Sergey.Semin@baikalelectronics.ru>
2020-05-08 19:39   ` [PATCH 11/17] spi: dw: Fix native CS being unset Linus Walleij
     [not found]     ` <20200513001347.dyt357erev7vzy3l@mobilestation>
2020-05-14  8:31       ` Linus Walleij
     [not found]         ` <20200514115558.e6cqnuxqyqkysfn7@mobilestation>
2020-05-14 12:22           ` Andy Shevchenko
2020-05-14 13:03             ` Mark Brown
2020-05-14 14:35           ` Mark Brown
     [not found] ` <20200508132943.9826-4-Sergey.Semin@baikalelectronics.ru>
2020-05-08 19:41   ` [PATCH 03/17] spi: dw: Split up the generic DMA code and Intel MID driver Andy Shevchenko
     [not found] ` <20200508132943.9826-6-Sergey.Semin@baikalelectronics.ru>
2020-05-08 19:44   ` [PATCH 05/17] spi: dw: Discard static DW DMA slave structures Andy Shevchenko
2020-05-15 10:47 ` [PATCH v2 00/19] spi: dw: Add generic DW DMA controller support Serge Semin
2020-05-15 10:47   ` [PATCH v2 01/19] dt-bindings: spi: dw: Add Tx/Rx DMA properties Serge Semin
2020-05-15 11:51     ` Andy Shevchenko [this message]
2020-05-15 12:27       ` Mark Brown
2020-05-15 15:43         ` Serge Semin
2020-05-15 10:47   ` [PATCH v2 03/19] spi: dw: Clear DMAC register when done or stopped Serge Semin
2020-05-15 12:01     ` Andy Shevchenko
2020-05-15 16:42     ` Mark Brown
2020-05-15 17:21       ` Serge Semin
2020-05-15 10:47   ` [PATCH v2 05/19] spi: dw: Enable interrupts in accordance with DMA xfer mode Serge Semin
2020-05-15 12:27     ` Andy Shevchenko
2020-05-16 14:06       ` Serge Semin
2020-05-15 10:47   ` [PATCH v2 09/19] spi: dw: Parameterize the DMA Rx/Tx burst length Serge Semin
2020-05-15 14:01     ` Andy Shevchenko
     [not found]       ` <20200516143353.hw6nny5hbwgiyxfw@mobilestation>
2020-05-18 11:01         ` Andy Shevchenko
2020-05-18 12:41           ` Serge Semin
2020-05-15 10:47   ` [PATCH v2 10/19] spi: dw: Use DMA max burst to set the request thresholds Serge Semin
2020-05-15 14:38     ` Andy Shevchenko
     [not found]       ` <20200516200133.wmaqnfjbr7234fzo@mobilestation>
2020-05-18 11:03         ` Andy Shevchenko
2020-05-18 12:43           ` Mark Brown
2020-05-18 12:52           ` Serge Semin
2020-05-18 13:25             ` Andy Shevchenko
2020-05-18 13:43               ` Serge Semin
2020-05-18 14:48                 ` Andy Shevchenko
2020-05-18 14:59                   ` Serge Semin
2020-05-15 10:47   ` [PATCH v2 11/19] spi: dw: Initialize paddr in DW SPI MMIO private data Serge Semin
2020-05-15 14:39     ` Andy Shevchenko
2020-05-15 10:47   ` [PATCH v2 14/19] spi: dw: Remove DW DMA code dependency from DW_DMAC_PCI Serge Semin
2020-05-15 15:02     ` Andy Shevchenko
2020-05-15 10:47   ` [PATCH v2 15/19] spi: dw: Add DW SPI DMA/PCI/MMIO dependency on the DW SPI core Serge Semin
2020-05-15 15:03     ` Andy Shevchenko
2020-05-15 10:47   ` [PATCH v2 17/19] spi: dw: Add DMA support to the DW SPI MMIO driver Serge Semin
2020-05-15 15:08     ` Andy Shevchenko
2020-05-15 10:47   ` [PATCH v2 19/19] dt-bindings: spi: Convert DW SPI binding to DT schema Serge Semin
2020-05-16 20:59     ` Serge Semin
2020-05-15 11:49   ` [PATCH v2 00/19] spi: dw: Add generic DW DMA controller support Andy Shevchenko
2020-05-15 15:30     ` Serge Semin
     [not found]   ` <20200515104758.6934-3-Sergey.Semin@baikalelectronics.ru>
2020-05-15 12:01     ` [PATCH v2 02/19] spi: dw: Add Tx/Rx finish wait methods to the MID DMA Andy Shevchenko
2020-05-15 12:18       ` Mark Brown
2020-05-15 12:37         ` Andy Shevchenko
2020-05-15 12:41           ` Mark Brown
     [not found]             ` <20200515200250.zjsv5uaftwqcnwud@mobilestation>
2020-05-18 10:51               ` Mark Brown
     [not found]                 ` <20200518110453.w3ko5a5yzwyr73ir@mobilestation>
2020-05-18 11:11                   ` Mark Brown
     [not found]       ` <20200515194058.pmpd4wa7lw2dle3g@mobilestation>
2020-05-18 10:55         ` Andy Shevchenko
     [not found]   ` <20200515104758.6934-5-Sergey.Semin@baikalelectronics.ru>
2020-05-15 12:05     ` [PATCH v2 04/19] spi: dw: Fix native CS being unset Andy Shevchenko
     [not found]   ` <20200515104758.6934-7-Sergey.Semin@baikalelectronics.ru>
2020-05-15 12:34     ` [PATCH v2 06/19] spi: dw: Discard static DW DMA slave structures Andy Shevchenko
     [not found]       ` <20200516142030.kburieaxjg4n7c42@mobilestation>
2020-05-18 11:00         ` Andy Shevchenko
2020-05-18 11:38           ` Andy Shevchenko
     [not found]             ` <20200518123242.xoosc4pcj7heo4he@mobilestation>
2020-05-18 13:22               ` Andy Shevchenko
     [not found]   ` <20200515104758.6934-8-Sergey.Semin@baikalelectronics.ru>
2020-05-15 12:38     ` [PATCH v2 07/19] spi: dw: Discard unused void priv pointer Andy Shevchenko
     [not found]   ` <20200515104758.6934-9-Sergey.Semin@baikalelectronics.ru>
2020-05-15 13:03     ` [PATCH v2 08/19] spi: dw: Discard dma_width member of the dw_spi structure Andy Shevchenko
     [not found]       ` <20200515130559.psq2zwfhovt6rzhl@mobilestation>
2020-05-15 13:49         ` Andy Shevchenko
     [not found]           ` <20200515141627.pqdaic6wksatusl6@mobilestation>
2020-05-15 15:00             ` Andy Shevchenko
     [not found]   ` <20200515104758.6934-13-Sergey.Semin@baikalelectronics.ru>
2020-05-15 14:40     ` [PATCH v2 12/19] spi: dw: Fix Rx-only DMA transfers Andy Shevchenko
2020-05-15 16:55       ` Mark Brown
     [not found]   ` <20200515104758.6934-14-Sergey.Semin@baikalelectronics.ru>
2020-05-15 14:51     ` [PATCH v2 13/19] spi: dw: Move Non-DMA code to the DW PCIe-SPI driver Andy Shevchenko
     [not found]       ` <20200516201724.7q5uhxmzpr6xjooj@mobilestation>
     [not found]         ` <20200518125850.jnhaqlr2ticu3ivs@mobilestation>
2020-05-18 13:00           ` Mark Brown
     [not found]   ` <20200515104758.6934-19-Sergey.Semin@baikalelectronics.ru>
2020-05-15 15:10     ` [PATCH v2 18/19] spi: dw: Use regset32 DebugFS method to create regdump file Andy Shevchenko
     [not found]       ` <20200516204634.td52orxfnh7iewg6@mobilestation>
2020-05-18 11:18         ` Andy Shevchenko
     [not found]           ` <20200518140825.jnkfpybxnwq7fx2m@mobilestation>
2020-05-18 15:06             ` Andy Shevchenko
2020-05-15 18:21   ` [PATCH v2 00/19] spi: dw: Add generic DW DMA controller support Mark Brown

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