From d5af91a1faca68e9a8cc493b85aa7b194b6128aa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Richard=20R=C3=B6jfors?= Date: Fri, 13 Nov 2009 12:28:39 +0100 Subject: xilinx_spi: Split into of driver and generic part. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch splits the xilinx_spi driver into a generic part and a OF driver part. The reason for this is to later add in a platform driver as well. Tested-by: John Linn Signed-off-by: Richard Röjfors Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 2a4ba19..f34a2d1 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -244,14 +244,21 @@ config SPI_TXX9 config SPI_XILINX tristate "Xilinx SPI controller" - depends on (XILINX_VIRTEX || MICROBLAZE) && EXPERIMENTAL + depends on EXPERIMENTAL select SPI_BITBANG + select SPI_XILINX_OF if (XILINX_VIRTEX || MICROBLAZE) help This exposes the SPI controller IP from the Xilinx EDK. See the "OPB Serial Peripheral Interface (SPI) (v1.00e)" Product Specification document (DS464) for hardware details. +config SPI_XILINX_OF + tristate "Xilinx SPI controller OF device" + depends on SPI_XILINX && (XILINX_VIRTEX || MICROBLAZE) + help + This is the OF driver for the SPI controller IP from the Xilinx EDK. + # # Add new SPI master controllers in alphabetical order above this line # -- cgit v1.1 From 86fc593599c11b62a11c85b4d7b709089df15c29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Richard=20R=C3=B6jfors?= Date: Fri, 13 Nov 2009 12:28:49 +0100 Subject: xilinx_spi: Switch to iomem functions and support little endian. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch changes the out_(be)(8|16|32) and in_(be)(8|16|32) calls to 32 bits ioread/iowrite. The read and write function are attached to the internal struct as callbacks, callback is selected depending on endianess. This will also build on platforms not supporting the in/out calls for instance x86. Acked-by: Grant Likely Tested-by: John Linn Signed-off-by: Richard Röjfors Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index f34a2d1..b528271 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -244,7 +244,7 @@ config SPI_TXX9 config SPI_XILINX tristate "Xilinx SPI controller" - depends on EXPERIMENTAL + depends on HAS_IOMEM && EXPERIMENTAL select SPI_BITBANG select SPI_XILINX_OF if (XILINX_VIRTEX || MICROBLAZE) help -- cgit v1.1 From c9da2e125588677d74324df5088149063d578e8f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Richard=20R=C3=B6jfors?= Date: Fri, 13 Nov 2009 12:28:55 +0100 Subject: xilinx_spi: add support for the DS570 IP. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds in support for the DS570 IP. It's register compatible with the DS464, but adds support for 8/16/32 SPI. The 8/16/32 support is added by attaching callbacks reading/writing the proper amount of data. To indicate to the driver which amount of bits to use a new field is introduced in the platform data struct. Acked-by: Grant Likely Tested-by: John Linn Signed-off-by: Richard Röjfors Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index b528271..4dda097 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -243,7 +243,7 @@ config SPI_TXX9 SPI driver for Toshiba TXx9 MIPS SoCs config SPI_XILINX - tristate "Xilinx SPI controller" + tristate "Xilinx SPI controller common module" depends on HAS_IOMEM && EXPERIMENTAL select SPI_BITBANG select SPI_XILINX_OF if (XILINX_VIRTEX || MICROBLAZE) @@ -253,6 +253,8 @@ config SPI_XILINX See the "OPB Serial Peripheral Interface (SPI) (v1.00e)" Product Specification document (DS464) for hardware details. + Or for the DS570, see "XPS Serial Peripheral Interface (SPI) (v2.00b)" + config SPI_XILINX_OF tristate "Xilinx SPI controller OF device" depends on SPI_XILINX && (XILINX_VIRTEX || MICROBLAZE) -- cgit v1.1 From 771669349e6cec0e29a18dc0b5a108e81b85d58c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Richard=20R=C3=B6jfors?= Date: Fri, 13 Nov 2009 12:29:00 +0100 Subject: xilinx_spi: add a platform driver using the xilinx_spi common module. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds in a platform device driver using the xilinx_spi common module. Tested-by: John Linn Signed-off-by: Richard Röjfors Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 4dda097..c00f9e5 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -261,6 +261,13 @@ config SPI_XILINX_OF help This is the OF driver for the SPI controller IP from the Xilinx EDK. +config SPI_XILINX_PLTFM + tristate "Xilinx SPI controller platform device" + depends on SPI_XILINX + help + This is the platform driver for the SPI controller IP + from the Xilinx EDK. + # # Add new SPI master controllers in alphabetical order above this line # -- cgit v1.1 From 8051effcbced8478119167b93b0e9554cb82d28e Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Thu, 26 Nov 2009 11:10:05 +0000 Subject: spi: SuperH MSIOF SPI Master driver V2 This patch is V2 of SPI Master support for the SuperH MSIOF. Full duplex, spi mode 0-3, active high cs, 3-wire and lsb first should all be supported, but the driver has so far only been tested with "mmc_spi". The MSIOF hardware comes with 32-bit FIFOs for receive and transmit, and this driver simply breaks the SPI messages into FIFO-sized chunks. The MSIOF hardware manages the pins for clock, receive and transmit (sck/miso/mosi), but the chip select pin is managed by software and must be configured as a regular GPIO pin by the board code. Performance wise there is still room for improvement, but on a Ecovec board with the built-in sh7724 MSIOF0 this driver gets Mini-sd read speeds of about half a megabyte per second. Future work include better clock setup and merging of 8-bit transfers into 32-bit words to reduce interrupt load and improve throughput. Signed-off-by: Magnus Damm Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index c00f9e5..06e1c0c 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -223,6 +223,13 @@ config SPI_S3C24XX_GPIO the inbuilt hardware cannot provide the transfer mode, or where the board is using non hardware connected pins. +config SPI_SH_MSIOF + tristate "SuperH MSIOF SPI controller" + depends on SUPERH && HAVE_CLK + select SPI_BITBANG + help + SPI driver for SuperH MSIOF blocks. + config SPI_SH_SCI tristate "SuperH SCI SPI controller" depends on SUPERH -- cgit v1.1 From 30eaed053c9bced7a23624e4bab5602e5b85124f Mon Sep 17 00:00:00 2001 From: Wan ZongShun Date: Tue, 1 Dec 2009 14:29:20 +0000 Subject: ARM: NUC900: Add spi driver support for nuc900 Signed-off-by: Wan ZongShun Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 06e1c0c..b9908e9 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -275,6 +275,13 @@ config SPI_XILINX_PLTFM This is the platform driver for the SPI controller IP from the Xilinx EDK. +config SPI_NUC900 + tristate "Nuvoton NUC900 series SPI" + depends on ARCH_W90X900 && EXPERIMENTAL + select SPI_BITBANG + help + SPI driver for Nuvoton NUC900 series ARM SoCs + # # Add new SPI master controllers in alphabetical order above this line # -- cgit v1.1 From 35c9049b27040d09461bc90928ad770be7ddf661 Mon Sep 17 00:00:00 2001 From: Cory Maccarrone Date: Sun, 13 Dec 2009 01:02:11 -0700 Subject: Add OMAP spi100k driver This change adds the OMAP SPI 100k driver created by Fabrice Crohas . This SPI bus is found on OMAP7xx-series smartphones, and for many, the touchscreen is attached to this bus. The lion's share of the work was done by Fabrice on this driver -- I am merely porting it from the Linwizard project on his behalf. Signed-off-by: Cory Maccarrone Signed-off-by: Grant Likely --- drivers/spi/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/spi/Kconfig') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index b9908e9..07e5453 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -172,6 +172,12 @@ config SPI_OMAP24XX SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI (McSPI) modules. +config SPI_OMAP_100K + tristate "OMAP SPI 100K" + depends on SPI_MASTER && (ARCH_OMAP850 || ARCH_OMAP730) + help + OMAP SPI 100K master controller for omap7xx boards. + config SPI_ORION tristate "Orion SPI master (EXPERIMENTAL)" depends on PLAT_ORION && EXPERIMENTAL -- cgit v1.1