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linux/Documentation/devicetree/bindings/spi
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Iker Pedrosa 7b4035ebf2 spi: dt-bindings: Document CS active-high 
The current documentation does not clearly explain how to invert the SPI
CS signal to make it active-high. This makes it very difficult to
understand.

This patch adds a simple explanation on how to set the CS line in
active-high and adds an example to make it easier for users who need
that setup for their SPI peripherals.

Link: https://forums.raspberrypi.com/viewtopic.php?t=378222
Signed-off-by: Iker Pedrosa <ikerpedrosam@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20241216095739.27320-1-ikerpedrosam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-12-17 15:37:14 +00:00
..
adi,axi-spi-engine.yaml
dt-bindings: spi: axi-spi-engine: convert to yaml
2023-11-20 13:29:03 +00:00
airoha,en7581-snand.yaml
spi: dt-bindings: airoha: Add YAML schema for SNFI controller
2024-04-30 23:40:29 +09:00
allwinner,sun4i-a10-spi.yaml
spi: dt-bindings: Make "additionalProperties: true" explicit
2023-09-26 09:50:01 +02:00
allwinner,sun6i-a31-spi.yaml
spi: dt-bindings: Make "additionalProperties: true" explicit
2023-09-26 09:50:01 +02:00
amlogic,a1-spifc.yaml
dt-bindings: spi: amlogic,a1-spifc: add missing power-domains
2024-06-05 18:05:20 +01:00
amlogic,meson6-spifc.yaml
spi: dt-bindings: cleanup examples - indentation, lowercase hex
2023-01-25 12:39:14 +00:00
amlogic,meson-gx-spicc.yaml
spi: dt-bindings: cleanup examples - indentation, lowercase hex
2023-01-25 12:39:14 +00:00
apple,spi.yaml
spi: dt-bindings: apple,spi: Add binding for Apple SPI controllers
2024-11-06 14:15:39 +00:00
arm,pl022-peripheral-props.yaml
spi: dt-bindings: arm,pl022: Move child node properties to separate schema
2023-09-15 13:15:36 +01:00
aspeed,ast2600-fmc.yaml
spi: dt-bindings: cleanup examples - indentation, lowercase hex
2023-01-25 12:39:14 +00:00
atmel,at91rm9200-spi.yaml
spi: dt-bindings: at91: Add sama7d65 compatible string
2024-07-12 00:18:43 +01:00
atmel,quadspi.yaml
MAINTAINERS: Update email of Tudor Ambarus
2023-01-07 15:18:44 +01:00
brcm,bcm63xx-hsspi.yaml
spi: Add bcmbca-hsspi controller bindings
2023-02-09 15:00:37 +00:00
brcm,bcm63xx-spi.yaml
dt-bindings: spi: convert spi-brcm63xx.txt to YAML
2023-08-07 18:37:56 +01:00
brcm,bcm2835-aux-spi.yaml
spi: dt-bindings: brcm,bcm2835-aux-spi: Convert to dtschema
2024-10-17 16:07:59 +01:00
brcm,bcm2835-spi.yaml
spi: dt-bindings: brcm,bcm2835-spi: convert to dtschema
2024-05-27 01:33:41 +01:00
brcm,spi-bcm-qspi.yaml
dt-bindings: Fix typos
2023-08-18 11:32:25 -05:00
cdns,qspi-nor-peripheral-props.yaml
spi: dt-bindings: Drop Pratyush Yadav
2022-08-11 18:41:45 +01:00
cdns,qspi-nor.yaml
spi: dt-bindings: cdns,qspi-nor: Add compatible string to support OSPI controller on Versal Gen2 platform
2024-12-02 00:32:25 +00:00
cdns,xspi.yaml
spi: dt-bindings: cadence: Add Marvell overlay bindings documentation for Cadence XSPI
2024-07-29 01:19:24 +01:00
cirrus,ep9301-spi.yaml
dt-bindings: spi: Add Cirrus EP93xx
2024-09-12 14:33:11 +00:00
fsl-imx-cspi.yaml
dt-bindings: spi: fsl-imx-cspi: Document missing entries
2023-09-25 13:11:06 +01:00
fsl-spi.txt
powerpc/devicetrees: Change 'gpios' to 'cs-gpios' on fsl, spi nodes
2020-01-23 21:31:14 +11:00
fsl,dspi-peripheral-props.yaml
spi: dt-bindings: fsl-dspi: Convert to yaml format
2024-07-01 13:12:43 +01:00
fsl,dspi.yaml
spi: dt-bindings: fsl-dspi: add compatible string 'fsl,lx2160a-dspi'
2024-07-08 12:50:30 +01:00
fsl,spi-fsl-qspi.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
hpe,gxp-spifi.yaml
spi: dt-bindings: add documentation for hpe,gxp-spifi
2022-07-29 17:38:53 +01:00
ibm,spi-fsi.yaml
spi: dt-bindings: Document the IBM FSI-attached SPI controller
2024-05-27 01:33:43 +01:00
icpdas-lp8841-spi-rtc.txt
…
ingenic,spi.yaml
dt-bindings: drop redundant part of title (end)
2022-12-16 11:41:49 -06:00
jcore,spi.txt
…
loongson,ls2k-spi.yaml
spi: dt-bindings: add loongson spi
2023-07-31 15:57:08 +01:00
marvell,armada-3700-spi.yaml
spi: dt-bindings: armada-3700: convert to dtschema
2024-04-21 09:57:22 +09:00
marvell,mmp2-ssp.yaml
spi: dt-bindings: marvell,mmp2-ssp: Merge PXA SSP into schema
2024-05-27 01:33:37 +01:00
mediatek,spi-mt65xx.yaml
spi: dt-bindings: mediatek,spi-mt65xx: add compatible for MT7981
2024-07-29 01:23:22 +01:00
mediatek,spi-mtk-nor.yaml
dt-bindings: mediatek: Add axi clock in mt8173 dts example
2022-08-28 22:04:50 +01:00
mediatek,spi-mtk-snfi.yaml
spi: dt-bindings: mtk-snfi: Add read latch latency property
2023-02-09 17:07:22 +00:00
mediatek,spi-slave-mt27xx.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
microchip,mpfs-spi.yaml
dt-bindings: spi: add PIC64GX SPI/QSPI compatibility to MPFS SPI/QSPI bindings
2024-08-14 18:26:52 +01:00
microchip,spi-pic32.txt
…
mikrotik,rb4xx-spi.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
mxicy,mx25f0a-spi.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
mxs-spi.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
nuvoton,npcm-fiu.txt
spi: nuvoton,npcm-fiu: Change spi-nor@0 name to flash@0
2022-11-01 12:15:42 +00:00
nuvoton,npcm-pspi.txt
dt-binding: spi: npcm-pspi: Add npcm845 compatible
2022-08-15 12:17:28 +01:00
nuvoton,wpcm450-fiu.yaml
spi: dt-bindings: nuvoton,wpcm450-fiu: Fix warning in example (missing reg property)
2022-11-29 11:32:11 +00:00
nvidia,tegra20-sflash.yaml
dt-bindings: spi: tegra-sflash: Convert to json-schema
2023-07-09 22:51:43 +01:00
nvidia,tegra20-slink.yaml
dt-bindings: spi: tegra-slink: Convert to json-schema
2023-07-09 22:51:42 +01:00
nvidia,tegra114-spi.yaml
dt-bindings: spi: Convert Tegra114 SPI to json-schema
2023-07-09 22:51:44 +01:00
nvidia,tegra210-quad-peripheral-props.yaml
spi: dt-bindings: nvidia,tegra210-quad-peripheral-props: correct additional properties
2022-08-15 12:17:41 +01:00
nvidia,tegra210-quad.yaml
spi: dt-bindings: Make "additionalProperties: true" explicit
2023-09-26 09:50:01 +02:00
nxp,sc18is.yaml
spi: dt-bindings: convert spi-sc18is602.txt to yaml format
2024-08-13 18:08:56 +01:00
omap-spi.yaml
dt-bindings: Fix typos
2023-08-18 11:32:25 -05:00
qca,ar934x-spi.yaml
dt-bindings: Add missing 'unevaluatedProperties'
2020-10-07 11:26:41 -05:00
qcom,spi-geni-qcom.yaml
Merge tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2022-08-02 10:55:04 -07:00
qcom,spi-qcom-qspi.yaml
spi: dt-bindings: qcom,spi-qcom-qspi: Add iommus
2023-05-08 08:50:40 +09:00
qcom,spi-qup.yaml
spi: dt-bindings: qup: Document interconnects
2023-09-25 14:19:38 +02:00
ralink,mt7621-spi.yaml
spi: migrate mt7621 text bindings to YAML
2022-09-27 12:33:06 +01:00
realtek,rtl9301-snand.yaml
dt-bindings: spi: Add realtek,rtl9301-snand
2024-10-21 12:49:37 +01:00
realtek,rtl-spi.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
renesas,hspi.yaml
dt-bindings: white-space cleanups
2022-04-04 19:55:03 -05:00
renesas,rspi.yaml
spi: dt-bindings: renesas,rspi: Document RZ/Five SoC
2023-11-16 19:46:16 +00:00
renesas,rzv2m-csi.yaml
spi: renesas,rzv2m-csi: Add CSI (SPI) target related property
2023-10-09 13:14:27 +01:00
renesas,sh-msiof.yaml
spi: renesas,sh-msiof: Add r8a779h0 support
2024-04-17 09:52:04 +09:00
rockchip-sfc.yaml
spi: dt-bindings: Make "additionalProperties: true" explicit
2023-09-26 09:50:01 +02:00
samsung,spi-peripheral-props.yaml
dt-bindings: update Krzysztof Kozlowski's email
2022-04-04 15:43:20 +02:00
samsung,spi.yaml
spi: dt-bindings: samsung: Add a compatible for samsung,exynos8895-spi
2024-10-21 12:49:48 +01:00
snps,dw-apb-ssi.yaml
spi: dt-bindings: snps,dw-apb-ssi.yaml: update compatible property
2024-07-01 18:08:50 +01:00
socionext,f-ospi.yaml
spi: Add Socionext F_OSPI controller bindings
2022-11-24 11:05:08 +00:00
socionext,synquacer-spi.yaml
spi: dt-bindings: Convert Synquacer SPI to DT schema
2022-12-09 17:39:08 +00:00
socionext,uniphier-spi.yaml
spi: dt-bindings: socionext,uniphier: drop address/size-cells
2023-06-01 17:15:52 +01:00
spi_altera.txt
…
spi_oc_tiny.txt
…
spi-ath79.txt
…
spi-bus.txt
spi: Add YAML schemas for the generic SPI options
2019-05-21 21:25:08 +01:00
spi-cadence.yaml
spi: dt-bindings: spi-cadence: Add optional reset control
2024-05-27 01:32:58 +01:00
spi-clps711x.txt
…
spi-controller.yaml
spi: dt-bindings: Document CS active-high
2024-12-17 15:37:14 +00:00
spi-davinci.txt
dt-bindings: align SPI NOR node name with dtschema
2022-04-07 14:03:06 -05:00
spi-fsl-lpspi.yaml
dt-bindings: drop stale Anson Huang from maintainers
2024-07-09 07:40:17 -06:00
spi-gpio.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
spi-img-spfi.txt
…
spi-lantiq-ssc.txt
spi: Add bindings for Lightning Mountain SoC
2020-07-22 01:56:00 +01:00
spi-mux.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
spi-nxp-fspi.yaml
dt-bindings: spi: nxp-fspi: add imx8ulp support
2024-09-05 16:07:19 +01:00
spi-octeon.txt
…
spi-orion.txt
…
spi-peripheral-props.yaml
spi: dt-bindings: fsl-dspi: Convert to yaml format
2024-07-01 13:12:43 +01:00
spi-pl022.yaml
spi: dt-bindings: arm,pl022: Move child node properties to separate schema
2023-09-15 13:15:36 +01:00
spi-rockchip.yaml
spi: dt-bindings: Add rockchip,rk3576-spi compatible
2024-09-03 17:38:41 +01:00
spi-sifive.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
spi-sunplus-sp7021.yaml
spi: dt-bindings: cleanup examples - indentation, lowercase hex
2023-01-25 12:39:14 +00:00
spi-xilinx.yaml
dt-bindings: xilinx: Switch xilinx.com emails to amd.com
2023-06-05 13:09:19 +02:00
spi-xtensa-xtfpga.txt
…
spi-zynqmp-qspi.yaml
dt-bindings: spi: zynqmp-qspi: Include two 'reg' properties only for the Zynq UltraScale QSPI
2024-09-30 01:12:24 +02:00
sprd,sc9860-spi.yaml
dt-bindings: spi: sprd,sc9860-spi: convert to YAML
2024-10-31 12:01:12 +00:00
sprd,spi-adi.yaml
spi: dt-bindings: drop unneeded quotes
2023-01-25 12:39:13 +00:00
sqi-pic32.txt
…
st,ssc-spi.yaml
spi: spi-st-ssc: convert to DT schema
2023-02-14 13:31:45 +00:00
st,stm32-qspi.yaml
dt-bindings: treewide: add access-controllers description
2024-04-05 14:39:10 +02:00
st,stm32-spi.yaml
dt-bindings: dma: New directory for STM32 DMA controllers bindings
2024-06-11 23:55:33 +05:30
ti,qspi.yaml
spi: dt-bindings: ti,qspi: convert to dtschema
2024-05-03 11:09:31 +09:00
xlnx,zynq-qspi.yaml
dt-bindings: xilinx: Switch xilinx.com emails to amd.com
2023-06-05 13:09:19 +02:00