linux/drivers/spi
Geert Uytterhoeven 29f9ffa0e1 spi: slave: Add SPI slave handler reporting uptime at previous message
Add an example SPI slave handler responding with the uptime at the time
of reception of the last SPI message.

This can be used by an external microcontroller as a dead man's switch.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-05-26 13:12:04 +01:00
..
Kconfig spi: slave: Add SPI slave handler reporting uptime at previous message 2017-05-26 13:12:04 +01:00
Makefile spi: slave: Add SPI slave handler reporting uptime at previous message 2017-05-26 13:12:04 +01:00
spi-adi-v3.c
spi-altera.c
spi-armada-3700.c Merge remote-tracking branches 'spi/topic/armada', 'spi/topic/ath79', 'spi/topic/bcm-qspi' and 'spi/topic/bcm53xx' into spi-next 2017-02-19 16:40:55 +00:00
spi-ath79.c spi: spi-ath79: use gpio_set_value_cansleep for GPIO chip select 2016-12-14 17:36:57 +00:00
spi-atmel.c spi: atmel: add deepest PM support to SAMA5D2 2017-04-18 18:50:05 +01:00
spi-au1550.c
spi-axi-spi-engine.c spi: spi-axi: Free resources on error path 2017-01-09 11:20:46 +00:00
spi-bcm53xx.c spi: bcm53xx: (re)license code to the GPL v2 2017-01-06 18:21:50 +00:00
spi-bcm53xx.h
spi-bcm63xx-hsspi.c spi/bcm63xx-hsspi: allow for probing through devicetree 2017-03-13 15:51:50 +00:00
spi-bcm63xx.c spi/bcm63xx: fix typo in bcm63xx_spi_max_length breaking compilation 2017-02-21 16:25:48 -08:00
spi-bcm2835.c spi: bcm2835: Remove unnecessary workaround to call gpio_set_value 2016-02-15 20:43:39 +00:00
spi-bcm2835aux.c Merge remote-tracking branches 'spi/topic/acpi', 'spi/topic/axi-engine', 'spi/topic/bcm2835' and 'spi/topic/bcm2835aux' into spi-next 2016-03-11 14:28:25 +07:00
spi-bcm-qspi.c spi: Updates for v4.11 2017-02-20 17:26:11 -08:00
spi-bcm-qspi.h spi: iproc-qspi: Add Broadcom iProc SoCs support 2016-09-24 20:03:25 +01:00
spi-bfin5xx.c spi: spi-bfin5xx: Remove deprecated create_singlethread_workqueue 2016-07-03 14:14:31 +02:00
spi-bfin-sport.c spi: spi-bfin-sport: Remove deprecated create_singlethread_workqueue 2016-07-03 14:24:31 +02:00
spi-bitbang-txrx.h
spi-bitbang.c
spi-brcmstb-qspi.c spi: brcmstb-qspi: Broadcom settop platform driver 2016-09-14 18:03:32 +01:00
spi-butterfly.c
spi-cadence.c spi: cadence: Allow for GPIO pins to be used as chipselects 2017-04-26 15:23:45 +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 spi: octeon: Add ThunderX driver 2016-08-19 16:24:39 +01:00
spi-clps711x.c spi: clps711x: Driver refactor 2016-07-07 11:44:43 +02:00
spi-coldfire-qspi.c
spi-davinci.c spi: davinci: add comment about dummy tx buffer usage 2017-03-17 22:00:51 +00:00
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-mid: switch to new dmaengine_terminate_* API (part 2) 2017-01-04 12:27:00 +00:00
spi-dw-mmio.c spi: dw: Disable clock after unregistering the host 2017-04-18 19:16:49 +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: Make debugfs use bus num and make irq name unique 2017-01-09 11:22:14 +00:00
spi-dw.h spi: dw: Make debugfs use bus num and make irq name unique 2017-01-09 11:22:14 +00:00
spi-efm32.c
spi-ep93xx.c spi: spi-ep93xx: simplify GPIO chip selects 2017-02-16 20:10:26 +00:00
spi-falcon.c
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: Fix error handling 2017-02-19 16:39:21 +00:00
spi-fsl-espi.c spi: fsl-espi: fix ioread16/iowrite16 endianness 2016-12-01 18:50:59 +00:00
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: fsl-lpspi: fix indentation error 2017-01-09 19:34:02 +00:00
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
spi-img-spfi.c spi: img-spfi: Remove spi_master_put in img_spfi_remove() 2016-07-27 19:00:16 +01:00
spi-imx.c spi-imx: Implements handling of the SPI_READY mode flag. 2017-04-25 16:37:53 +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: Fix module autoload for OF registration 2016-11-23 16:42:20 +00:00
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-loopback-test.c Merge remote-tracking branches 'spi/topic/spidev', 'spi/topic/spidev-test', 'spi/topic/sunxi', 'spi/topic/tegra' and 'spi/topic/test' into spi-next 2017-04-26 15:58:16 +01:00
spi-lp8841-rtc.c spi: lp-8841: return correct error code from probe 2016-02-26 11:06:38 +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: Combine substrings for two messages 2017-01-17 18:28:19 +00:00
spi-mpc512x-psc.c
spi-mt65xx.c spi: mediatek: Only do dma for 4-byte aligned buffers 2017-01-31 19:55:38 +00:00
spi-mxs.c
spi-nuc900.c
spi-oc-tiny.c
spi-omap2-mcspi.c spi: omap2-mcspi: poll OMAP2_MCSPI_CHSTAT_RXS for PIO transfer 2017-03-24 18:50:23 +00:00
spi-omap-100k.c
spi-omap-uwire.c
spi-orion.c spi: orion: add LSB support 2017-04-07 18:15:20 +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: fixup wait_for_completion_timeout return handling 2016-07-24 21:49:16 +01:00
spi-pl022.c spi: pl022: don't use uninitialized variable 2017-04-06 11:55:22 +01:00
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: Remove pointer to chip data from driver data 2016-09-12 20:01:27 +01:00
spi-pxa2xx-pci.c spi: pca2xx-pci: Allow MSI 2017-01-23 18:09:37 +00:00
spi-pxa2xx.c Merge remote-tracking branches 'spi/topic/imx', 'spi/topic/lantiq-ssc', 'spi/topic/mpc52xx', 'spi/topic/ppc4xx' and 'spi/topic/pxa2xx' into spi-next 2017-02-19 16:41:01 +00:00
spi-pxa2xx.h spi: spi-pxa2xx: Remove unused macro 2016-11-14 13:52:04 +00:00
spi-qup.c Merge remote-tracking branches 'spi/topic/octeon', 'spi/topic/pic32-sqi', 'spi/topic/pxa2xx' and 'spi/topic/qup' into spi-next 2016-09-30 09:14:14 -07:00
spi-rb4xx.c
spi-rockchip.c spi: rockchip: support "sleep" pin configuration 2016-12-19 13:29:27 +00:00
spi-rspi.c Merge remote-tracking branches 'spi/topic/rockchip', 'spi/topic/rspi', 'spi/topic/s3c64xx', 'spi/topic/sh-msiof' and 'spi/topic/slave' into spi-next 2017-02-19 16:41:05 +00:00
spi-s3c24xx-fiq.h
spi-s3c24xx-fiq.S
spi-s3c24xx.c
spi-s3c64xx.c Merge remote-tracking branches 'spi/topic/rockchip', 'spi/topic/rspi', 'spi/topic/s3c64xx', 'spi/topic/sh-msiof' and 'spi/topic/slave' into spi-next 2017-02-19 16:41:05 +00:00
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: Remove useless memory allocation failure message 2017-01-04 17:39:37 +00:00
spi-sh-sci.c
spi-sh.c spi: spi-sh: Remove deprecated create_singlethread_workqueue 2016-07-11 19:32:38 +01:00
spi-sirf.c
spi-slave-time.c spi: slave: Add SPI slave handler reporting uptime at previous message 2017-05-26 13:12:04 +01:00
spi-st-ssc4.c spi: st-ssc4: Fix misuse of devm_gpio_request/devm_gpio_free APIs 2016-09-14 16:05:35 +01:00
spi-sun4i.c spi: sun4i: Allow transfers larger than FIFO size 2016-10-29 12:11:30 -06:00
spi-sun6i.c spi: sun6i: update max transfer size reported 2017-03-20 15:38:51 +00:00
spi-tegra20-sflash.c spi: tegra: fix spelling mistake: "trasfer" -> "transfer" 2017-04-24 18:44:28 +01:00
spi-tegra20-slink.c spi: tegra: fix spelling mistake: "trasfer" -> "transfer" 2017-04-24 18:44:28 +01:00
spi-tegra114.c spi: tegra: fix spelling mistake: "trasfer" -> "transfer" 2017-04-24 18:44:28 +01:00
spi-test.h spi: loopback-test: add elapsed time check 2017-03-17 21:54:08 +00:00
spi-ti-qspi.c Merge remote-tracking branches 'spi/topic/ti-qspi' and 'spi/topic/xlp' into spi-next 2017-04-26 15:58:22 +01:00
spi-tle62x0.c
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-xcomm.c
spi-xilinx.c spi: xilinx: Return IRQ_NONE if no interrupts were detected 2016-07-15 11:45:00 +01:00
spi-xlp.c spi: xlp: update for ARCH_VULCAN2 2017-03-13 16:48:40 +00:00
spi-xtensa-xtfpga.c
spi-zynqmp-gqspi.c spi: zynqmp: disable clocks in error paths 2016-05-04 14:21:03 +01:00
spi.c spi: core: Add support for registering SPI slave controllers 2017-05-26 13:11:00 +01:00
spidev.c spi: spidev: Add sx1301 to device tree compatibility list 2017-03-16 11:14:27 +00:00