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OpenCloudOS-Kernel/drivers/spi
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Keiji Hayashibara 5ba155a4d4
spi: add SPI controller driver for UniPhier SoC 
Add SPI controller driver implemented in Socionext UniPhier SoCs.

UniPhier SoCs have two types SPI controllers; SCSSI supports a
single channel, and MCSSI supports multiple channels.
This driver supports SCSSI only.

This controller has 32bit TX/RX FIFO with depth of eight entry,
and supports the SPI master mode only.

This commit is implemented in PIO transfer mode, not DMA transfer.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 		2018-08-01 11:22:37 +01:00
..
Kconfig spi: add SPI controller driver for UniPhier SoC 2018-08-01 11:22:37 +01:00
Makefile spi: add SPI controller driver for UniPhier SoC 2018-08-01 11:22:37 +01:00
internals.h spi: Add an helper to flush the message queue 2018-04-23 15:48:18 +01:00
spi-altera.c spi: altera: Consolidate TX/RX data register access 2017-08-16 11:53:31 +01:00
spi-armada-3700.c Merge remote-tracking branches 'spi/topic/a3700', 'spi/topic/atmel', 'spi/topic/bcm53xx', 'spi/topic/davinci' and 'spi/topic/dw' into spi-next 2018-01-26 17:57:24 +00:00
spi-ath79.c spi/ath79: Fix checkpatch warnings 2017-07-17 12:09:38 +01:00
spi-atmel.c spi: spi-atmel: Use correct enum for DMA transfer direction 2018-03-28 10:42:48 +08:00
spi-au1550.c spi: au1550: Simplify au1550_spi_setupxfer() 2015-09-16 20:54:54 +01:00
spi-axi-spi-engine.c spi: spi-axi: fix potential use-after-free after deregistration 2017-10-31 11:15:10 +00:00
spi-bcm-qspi.c Merge branch 'spi-4.17' into spi-4.18 for the merge window 2018-06-04 11:51:12 +01:00
spi-bcm-qspi.h spi: iproc-qspi: Add Broadcom iProc SoCs support 2016-09-24 20:03:25 +01:00
spi-bcm63xx-hsspi.c spi/bcm63xx-hspi: Enable the clock before calling clk_get_rate(). 2018-04-26 12:41:22 +01:00
spi-bcm63xx.c spi/bcm63xx: fix error return code in bcm63xx_spi_probe() 2017-08-08 11:36:35 +01:00
spi-bcm2835.c spi: bcm2835: Remove unnecessary workaround to call gpio_set_value 2016-02-15 20:43:39 +00:00
spi-bcm2835aux.c spi: bcm2835aux: ensure interrupts are enabled for shared handler 2018-05-04 08:09:02 +09:00
spi-bitbang-txrx.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spi-bitbang.c spi: bitbang: switch to the generic implementation of transfer_one_message 2015-10-05 14:55:56 +01:00
spi-brcmstb-qspi.c spi: brcmstb-qspi: Broadcom settop platform driver 2016-09-14 18:03:32 +01:00
spi-butterfly.c spi: butterfly: use new parport device model 2015-12-02 19:38:16 +00:00
spi-cadence.c spi: cadence: Change usleep_range() to udelay(), for atomic context 2018-06-18 13:05:38 +01:00
spi-cavium-octeon.c spi: octeon: Split driver into Octeon specific and common parts 2016-07-24 21:54:29 +01:00
spi-cavium-thunderx.c spi: spi-cavium-thunderx: Add missing clk_disable_unprepare() 2016-08-24 12:37:43 +01:00
spi-cavium.c spi: octeon: Split driver into Octeon specific and common parts 2016-07-24 21:54:29 +01:00
spi-cavium.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spi-clps711x.c spi: clps711x: Driver refactor 2016-07-07 11:44:43 +02:00
spi-coldfire-qspi.c spi: spi-coldfire-qspi: enable RuntimePM before registering to the core 2015-10-12 17:02:08 +01:00
spi-davinci.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spi-dln2.c spi: Drop duplicate code to set master->dev.parent 2016-04-26 11:56:09 +01:00
spi-dw-mid.c spi: dw: Convert to generalized SPI controller API 2018-02-12 12:04:16 +00:00
spi-dw-mmio.c spi: dw-mmio: add MSCC Ocelot support 2018-07-30 12:02:08 +01:00
spi-dw-pci.c spi: dw-pci: Spelling s/paltforms/platforms/g 2016-05-11 18:26:19 +01:00
spi-dw.c spi: dw: export dw_spi_set_cs 2018-07-30 12:02:07 +01:00
spi-dw.h spi: dw: export dw_spi_set_cs 2018-07-30 12:02:07 +01:00
spi-efm32.c
…
spi-ep93xx.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spi-falcon.c spi: spi-falcon: drop check of boot select 2017-09-01 11:33:22 +01:00
spi-fsl-cpm.c QE: Move QE from arch/powerpc to drivers/soc 2015-12-22 17:12:56 -06:00
spi-fsl-cpm.h
…
spi-fsl-dspi.c spi: spi-fsl-dspi: Switch to SPDX identifier 2018-07-24 15:37:36 +01:00
spi-fsl-espi.c spi: spi-fsl-espi: Log fifo counters on error 2018-07-26 15:43:09 +01:00
spi-fsl-lib.c
…
spi-fsl-lib.h spi: fsl-espi: separate fsl-espi from fsl-lib completely 2016-11-14 11:21:48 +00:00
spi-fsl-lpspi.c spi: lpspi: Switch to SPDX identifier 2018-05-03 10:28:08 +09:00
spi-fsl-spi.c Merge remote-tracking branches 'spi/topic/devprop', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/imx' and 'spi/topic/lantiq' into spi-next 2017-04-26 15:58:04 +01:00
spi-fsl-spi.h
…
spi-gpio.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spi-img-spfi.c spi: img-spfi: Set device select bits for SPFI port state 2018-07-30 16:31:54 +01:00
spi-imx.c spi: imx: Use the longuest possible burst size when in dynamic_burst 2018-07-24 15:58:35 +01:00
spi-iproc-qspi.c spi: iproc-qspi: Add Broadcom iProc SoCs support 2016-09-24 20:03:25 +01:00
spi-jcore.c spi: jcore: disable ref_clk after getting its rate 2018-03-18 17:57:42 -07:00
spi-lantiq-ssc.c Merge remote-tracking branches 'spi/topic/devprop', 'spi/topic/fsl', 'spi/topic/fsl-dspi', 'spi/topic/imx' and 'spi/topic/lantiq' into spi-next 2017-04-26 15:58:04 +01:00
spi-lm70llp.c spi: lm70llp: remove printk 2015-12-07 20:09:09 +00:00
spi-loopback-test.c spi: loopback-test: implement testing with no CS 2017-07-26 13:08:56 +01:00
spi-lp8841-rtc.c spi: lp-8841: return correct error code from probe 2016-02-26 11:06:38 +09:00
spi-mem.c spi: Extend the core to ease integration of SPI memory controllers 2018-05-11 11:32:43 +09:00
spi-meson-spicc.c spi: meson-spicc: Fix error handling in meson_spicc_probe() 2018-05-02 05:59:21 +09:00
spi-meson-spifc.c spi: meson: Add GXBB compatible 2016-09-12 20:11:39 +01:00
spi-mpc52xx-psc.c spi: spi-mpc52xx-psc: Remove deprecated create_singlethread_workqueue 2016-07-03 14:23:25 +02:00
spi-mpc52xx.c spi: mpc52xx: Use gpio_is_valid() 2018-04-27 12:05:39 +01:00
spi-mpc512x-psc.c spi: mpc512x: Call mpc512x_psc_spi_transfer_setup() unconditionally 2015-09-17 12:33:31 +01:00
spi-mt65xx.c spi: mediatek: add spi support for mt2712 IC 2017-06-20 13:39:14 +01:00
spi-mxs.c spi: mxs: Switch to SPDX identifier 2018-05-03 10:27:43 +09:00
spi-nuc900.c
…
spi-oc-tiny.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spi-omap-100k.c spi: omap-100k: Rely on validations done by spi core 2015-09-17 12:34:20 +01:00
spi-omap-uwire.c spi: omap-uwire: Remove needless bits_per_word and speed_hz tests 2015-09-17 12:33:58 +01:00
spi-omap2-mcspi.c spi: omap2-mcspi: remove several redundant variables 2018-07-30 16:08:12 +01:00
spi-orion.c spi: orion: fix CS GPIO handling again 2018-06-19 13:06:51 +01:00
spi-pic32-sqi.c spi: pic32-sqi: use list_move_tail and list_move 2016-08-08 11:56:40 +01:00
spi-pic32.c spi: pic32: fix spelling mistakes on macro names 2017-07-26 13:04:21 +01:00
spi-pl022.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spi-ppc4xx.c spi/ppc4xx: Use kcalloc() in spi_ppc4xx_of_probe() 2017-01-17 18:34:25 +00:00
spi-pxa2xx-dma.c spi: pxa2xx: Use core message processing loop 2018-04-17 17:11:30 +01:00
spi-pxa2xx-pci.c spi: pca2xx-pci: Allow MSI 2017-01-23 18:09:37 +00:00
spi-pxa2xx.c spi: pxa2xx: Add support for Intel Ice Lake 2018-06-28 12:50:33 +01:00
spi-pxa2xx.h spi: pxa2xx: Allow 64-bit DMA 2018-04-24 16:10:12 +01:00
spi-qup.c spi: qup: fix 64-bit build warning 2017-08-10 15:50:23 +01:00
spi-rb4xx.c
…
spi-rockchip.c spi: rockchip: configure CTRLR1 according to size and data frame 2017-08-16 11:58:23 +01:00
spi-rspi.c spi: rspi: use correct enum for DMA transfer direction 2018-03-20 09:02:12 +08:00
spi-s3c24xx-fiq.S
…
spi-s3c24xx-fiq.h
…
spi-s3c24xx.c spi: bitbang: Replace spinlock by mutex 2015-09-17 12:13:40 +01:00
spi-s3c64xx.c spi: spi-s3c64xx: Fix system resume support 2018-05-17 13:27:08 +09:00
spi-sc18is602.c spi: sc18is602: Add OF device ID table 2017-02-22 10:50:09 -08:00
spi-sh-hspi.c
…
spi-sh-msiof.c spi: sh-msiof: Make sure all DMA operations have completed 2018-06-18 12:47:09 +01:00
spi-sh-sci.c
…
spi-sh.c spi: spi-sh: fix error return code in spi_sh_probe() 2017-08-09 17:18:06 +01:00
spi-sirf.c spi: sirf: account for const type of of_device_id.data 2018-01-03 11:38:46 +00:00
spi-slave-system-control.c spi: slave: Add SPI slave handler controlling system state 2017-05-26 13:12:19 +01:00
spi-slave-time.c spi: slave: Add SPI slave handler reporting uptime at previous message 2017-05-26 13:12:04 +01:00
spi-sprd-adi.c spi: sprd: Add the support of restarting the system 2018-03-21 09:55:19 +08:00
spi-st-ssc4.c spi: st-ssc4: whitespace cleanup 2017-05-26 12:41:07 +01:00
spi-stm32.c spi: stm32: Fix error handling in stm32_spi_probe() 2018-04-17 11:46:23 +01:00
spi-sun4i.c spi: sun4i: disable clocks in the remove function 2017-12-07 11:59:15 +00:00
spi-sun6i.c spi: sun6i: disable/unprepare clocks on remove 2017-12-07 17:45:17 +00:00
spi-tegra20-sflash.c spi: tegra20-sflash: explicitly request exclusive reset control 2017-07-19 17:06:31 +01:00
spi-tegra20-slink.c spi: tegra20-slink: use true and false for boolean values 2018-03-06 14:20:37 +00:00
spi-tegra114.c spi: tegra114: correct register name in definition 2017-10-09 10:16:38 +01:00
spi-test.h spi: loopback-test: add elapsed time check 2017-03-17 21:54:08 +00:00
spi-ti-qspi.c spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it 2018-05-17 13:36:00 +09:00
spi-tle62x0.c spi: Drop owner assignment from spi_drivers 2015-10-28 10:30:17 +09:00
spi-topcliff-pch.c spi/topcliff-pch: Delete an error message for a failed memory allocation in pch_spi_set_tx() 2017-01-17 18:38:02 +00:00
spi-txx9.c spi: spi-txx9: Add missing clock (un)prepare calls for CCF 2016-08-18 19:10:39 +01:00
spi-uniphier.c spi: add SPI controller driver for UniPhier SoC 2018-08-01 11:22:37 +01:00
spi-xcomm.c
…
spi-xilinx.c spi: xilinx: Add support for xlnx,axi-quad-spi-1.00.a 2017-11-27 16:31:20 +00:00
spi-xlp.c spi: xlp: fix error return code in xlp_spi_probe() 2017-08-08 11:36:07 +01:00
spi-xtensa-xtfpga.c spi: xtensa-xtfpga: fix register endianness 2015-09-22 09:30:10 -07:00
spi-zynqmp-gqspi.c spi: simplify getting .drvdata 2018-04-20 17:53:20 +01:00
spi.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
spidev.c Merge branch 'for-spi' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-07-08 10:41:53 -07:00