Commit graph

513 commits

Author SHA1 Message Date
Rob Herring
094b147c76 spi: dt-bindings: xilinx: Drop type reference on *-bits properties
Properties with standard unit suffixes such as '-bits' don't need a
type.

Cc: Mark Brown <broonie@kernel.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: linux-spi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210910165945.2852999-1-robh@kernel.org
2021-09-10 14:54:27 -05:00
Rob Herring
9756712418 dt-bindings: More use 'enum' instead of 'oneOf' plus 'const' entries
'enum' is equivalent to 'oneOf' with a list of 'const' entries, but 'enum'
is more concise and yields better error messages.

Fix a couple more cases which have appeared.

Cc: Rob Clark <robdclark@gmail.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Mark Brown <broonie@kernel.org>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jonathan Marek <jonathan@marek.ca>
Cc: Aswath Govindraju <a-govindraju@ti.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Cc: freedreno@lists.freedesktop.org
Cc: linux-spi@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210910165153.2843871-1-robh@kernel.org
2021-09-10 14:54:21 -05:00
Linus Torvalds
9e5f3ffcf1 Devicetree updates for v5.15:
- Refactor arch kdump DT related code to a common implementation
 
 - Add fw_devlink tracking for 'phy-handle', 'leds', 'backlight',
   'resets', and 'pwm' properties
 
 - Various clean-ups to DT FDT code
 
 - Fix a runtime error for !CONFIG_SYSFS
 
 - Convert Synopsys DW PCI and derivative binding docs to schemas. Add
   Toshiba Visconti PCIe binding.
 
 - Convert a bunch of memory controller bindings to schemas
 
 - Covert eeprom-93xx46, Samsung Exynos TRNG, Samsung Exynos IRQ
   combiner, arm-charlcd, img-ascii-lcd, UniPhier eFuse, Xilinx Zynq
   MPSoC FPGA, Xilinx Zynq MPSoC reset, Mediatek mmsys, Gemini boards,
   brcm,iproc-i2c, faraday,ftpci100, and ks8851 net to DT schema.
 
 - Extend nvmem bindings to handle bit offsets in unit-addresses
 
 - Add DT schemas for HiKey 970 PCIe PHY
 
 - Remove unused ZTE, energymicro,efm32-timer, and Exynos SATA bindings
 
 - Enable dtc pci_device_reg warning by default
 
 - Fixes for handling 'unevaluatedProperties' in preparation to enable
   pending support in the tooling for jsonschema 2020-12 draft
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Merge tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refactor arch kdump DT related code to a common implementation

 - Add fw_devlink tracking for 'phy-handle', 'leds', 'backlight',
   'resets', and 'pwm' properties

 - Various clean-ups to DT FDT code

 - Fix a runtime error for !CONFIG_SYSFS

 - Convert Synopsys DW PCI and derivative binding docs to schemas. Add
   Toshiba Visconti PCIe binding.

 - Convert a bunch of memory controller bindings to schemas

 - Covert eeprom-93xx46, Samsung Exynos TRNG, Samsung Exynos IRQ
   combiner, arm-charlcd, img-ascii-lcd, UniPhier eFuse, Xilinx Zynq
   MPSoC FPGA, Xilinx Zynq MPSoC reset, Mediatek mmsys, Gemini boards,
   brcm,iproc-i2c, faraday,ftpci100, and ks8851 net to DT schema.

 - Extend nvmem bindings to handle bit offsets in unit-addresses

 - Add DT schemas for HiKey 970 PCIe PHY

 - Remove unused ZTE, energymicro,efm32-timer, and Exynos SATA bindings

 - Enable dtc pci_device_reg warning by default

 - Fixes for handling 'unevaluatedProperties' in preparation to enable
   pending support in the tooling for jsonschema 2020-12 draft

* tag 'devicetree-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
  dt-bindings: display: remove zte,vou.txt binding doc
  dt-bindings: hwmon: merge max1619 into trivial devices
  dt-bindings: mtd-physmap: Add 'arm,vexpress-flash' compatible
  dt-bindings: PCI: imx6: convert the imx pcie controller to dtschema
  dt-bindings: Use 'enum' instead of 'oneOf' plus 'const' entries
  dt-bindings: Add vendor prefix for Topic Embedded Systems
  of: fdt: Rename reserve_elfcorehdr() to fdt_reserve_elfcorehdr()
  arm64: kdump: Remove custom linux,usable-memory-range handling
  arm64: kdump: Remove custom linux,elfcorehdr handling
  riscv: Remove non-standard linux,elfcorehdr handling
  of: fdt: Use IS_ENABLED(CONFIG_BLK_DEV_INITRD) instead of #ifdef
  of: fdt: Add generic support for handling usable memory range property
  of: fdt: Add generic support for handling elf core headers property
  crash_dump: Make elfcorehdr address/size symbols always visible
  dt-bindings: memory: convert Samsung Exynos DMC to dtschema
  dt-bindings: devfreq: event: convert Samsung Exynos PPMU to dtschema
  dt-bindings: devfreq: event: convert Samsung Exynos NoCP to dtschema
  kbuild: Enable dtc 'pci_device_reg' warning by default
  dt-bindings: soc: remove obsolete zte zx header
  dt-bindings: clock: remove obsolete zte zx header
  ...
2021-09-01 18:34:51 -07:00
Rob Herring
1c3ac086fd dt-bindings: Use 'enum' instead of 'oneOf' plus 'const' entries
'enum' is equivalent to 'oneOf' with a list of 'const' entries, but 'enum'
is more concise and yields better error messages.

Cc: Maxime Ripard <mripard@kernel.org>
Cc: Vignesh R <vigneshr@ti.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: dmaengine@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-media@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: linux-phy@lists.infradead.org
Cc: linux-serial@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Cc: linux-spi@vger.kernel.org
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> (mipi-ccs)
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210824202014.978922-1-robh@kernel.org
2021-08-30 07:01:24 -05:00
Mark Brown
6e9c846aa0
Merge remote-tracking branch 'spi/for-5.15' into spi-next 2021-08-26 15:09:52 +01:00
Chunyan Zhang
0f887ac829
spi: add sprd ADI for sc9863 and ums512
This patch adds support for sc9863 and ums512.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210826091549.2138125-5-zhang.lyra@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-26 12:17:35 +01:00
Chunyan Zhang
f15e60d460
spi: Convert sprd ADI bindings to yaml
Convert spi-sprd-adi.txt to yaml.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210826091549.2138125-4-zhang.lyra@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-26 12:17:30 +01:00
Chris Morgan
538d7c2ed7
spi: rockchip-sfc: Bindings for Rockchip serial flash controller
Add bindings for the Rockchip serial flash controller. New device
specific parameter of rockchip,sfc-no-dma included in documentation.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20210812134546.31340-2-jon.lin@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-08-17 13:36:03 +01:00
Rob Herring
f88321a3bf dt-bindings: Move fixed string 'patternProperties' to 'properties'
There's no need for fixed strings to be under 'patternProperties', so move
them under 'properties' instead.

Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: Saravanan Sekar <sravanhome@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: linux-hwmon@vger.kernel.org
Cc: linux-phy@lists.infradead.org
Cc: linux-spi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210713193514.690894-1-robh@kernel.org
2021-07-15 08:45:33 -06:00
Aswath Govindraju
014861c2fb
spi: omap-spi: Convert to json-schema
Convert omap-spi dt-binding documentation from txt to yaml format.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210621092900.951-1-a-govindraju@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-07-14 13:30:44 +01:00
Mason Zhang
3522d9aa19
spi: mediatek: update spi master bingdings for MT6893 SOC
this patch update spi master bingdings for MT6893 SOC.

Signed-off-by: Mason Zhang <Mason.Zhang@mediatek.com>
Link: https://lore.kernel.org/r/20210629101310.21045-1-mason.zhang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-07-11 23:51:45 +01:00
Linus Torvalds
a70bb580bf Devicetree updates for v5.14:
- Refine reserved memory nomap handling
 
 - Merge some PCI and non-PCI address handling implementations
 
 - Simplify of_address.h header ifdefs
 
 - Improve printk handling of some 64-bit types
 
 - Convert Arm ccree, Zynq FPGA, ZynqMP RTC, Arm VIC, adi,adv7511, TI
   AM56 PCI, Aspeed I2C, arm,sbsa-gwdt, MTD physmap, virtio-mmio, Arm
   SCMI, Arm/Amlogic SCPI, TI OMAP mailbox, NXP pcf8563/pcf85263/pcf85363,
   Mediatek RNG, Arm SCU, Arm TWD timer, Broadcom iProc PWM, Renesas TPU,
   Tegra20 EMC, MDIO GPIO, renesas,r9a06g032-sysctrl, renesas,emev2-smu,
   sysc-rmobile, linaro,optee-tz, and TI SCI bindings to DT schema
 
 - Convert mux and mux controller bindings to schema. This includes MDIO
   IIO, and I2C muxes.
 
 - Add Arm PL031 RTC binding schema
 
 - Add vendor prefixes for StarFive Technology Co. Ltd. and Insignal Ltd
 
 - Fix some stale doc references
 
 - Remove stale property-units.txt. Superseded by schema in dt-schema
   repo.
 
 - Fixes for 'unevaluatedProperties' handling (enabled with experimental
   json-schema support)
 
 - Drop redundant usage of minItems and maxItems across the tree
 
 - Update some examples to use bindings with a schema
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Merge tag 'devicetree-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refine reserved memory nomap handling

 - Merge some PCI and non-PCI address handling implementations

 - Simplify of_address.h header ifdefs

 - Improve printk handling of some 64-bit types

 - Convert adi,adv7511, Arm ccree, Arm SCMI, Arm SCU, Arm TWD timer, Arm
   VIC, arm,sbsa-gwdt, Arm/Amlogic SCPI, Aspeed I2C, Broadcom iProc PWM,
   linaro,optee-tz, MDIO GPIO, Mediatek RNG, MTD physmap, NXP
   pcf8563/pcf85263/pcf85363, Renesas TPU, renesas,emev2-smu,
   renesas,r9a06g032-sysctrl, sysc-rmobile, Tegra20 EMC, TI AM56 PCI, TI
   OMAP mailbox, TI SCI bindings, virtio-mmio, Zynq FPGA, and ZynqMP RTC
   to DT schema

 - Convert mux and mux controller bindings to schema. This includes MDIO
   IIO, and I2C muxes.

 - Add Arm PL031 RTC binding schema

 - Add vendor prefixes for StarFive Technology Co. Ltd. and Insignal Ltd

 - Fix some stale doc references

 - Remove stale property-units.txt. Superseded by schema in dt-schema
   repo.

 - Fixes for 'unevaluatedProperties' handling (enabled with experimental
   json-schema support)

 - Drop redundant usage of minItems and maxItems across the tree

 - Update some examples to use bindings with a schema

* tag 'devicetree-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (83 commits)
  dt-bindings: Fix 'unevaluatedProperties' errors in DT graph users
  dt-bindings: display: renesas,du: Fix 'ports' reference
  dt-bindings: media: adv7180: Add missing video-interfaces.yaml reference
  dt-bindings: crypto: ccree: Convert to json-schema
  dt-bindings: fpga: zynq: convert bindings to YAML
  dt-bindings: rtc: zynqmp: convert bindings to YAML
  dt-bindings: interrupt-controller: Convert ARM VIC to json-schema
  of: of_reserved_mem: mark nomap memory instead of removing
  of: of_reserved_mem: only call memblock_free for normal reserved memory
  dt-bindings: Drop redundant minItems/maxItems
  dt-bindings: spmi: Correct 'reg' schema
  of: reserved-memory: Add stub for RESERVEDMEM_OF_DECLARE()
  dt-bindings: clk: vc5: Fix example
  dt-bindings: timer: renesas,tmu: add r8a779a0 TMU support
  dt-bindings: drm: bridge: adi,adv7511.txt: convert to yaml
  dt-bindings: PCI: ti,am65: Convert PCIe host/endpoint mode dt-bindings to YAML
  of: Remove superfluous casts when printing u64 values
  of: Fix truncation of memory sizes on 32-bit platforms
  dt-bindings: rtc: nxp,pcf8563: Absorb pcf85263/pcf85363 bindings
  dt-bindings: pwm: Use examples with documented/matching schema
  ...
2021-07-03 10:54:08 -07:00
Nobuhiro Iwamatsu
c58db2abb1
spi: convert Xilinx Zynq UltraScale+ MPSoC GQSPI bindings to YAML
Convert spi for Xilinx Zynq UltraScale+ MPSoC GQSPI bindings
documentation to YAML.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210613214317.296667-1-iwamatsu@nigauri.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-25 12:26:48 +01:00
Jon Lin
c58c7e9bf5
spi: spi-rockchip: add description for rv1126
The description below will be used for rv1126.dtsi or compatible one in
the future

Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
Link: https://lore.kernel.org/r/20210621104800.19088-2-jon.lin@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-23 12:35:44 +01:00
Sebastian Reichel
d90609a4b7
spi: dt-bindings: support devices with multiple chipselects
Add binding support for devices, that have more than one
chip select. A typical example are SPI connected microcontroller,
that can also be programmed over SPI like NXP Kinetis or
chips with a configuration and a data chip select, such as
Microchip's MRF89XA transceiver.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20210621175359.126729-3-sebastian.reichel@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-22 12:55:00 +01:00
Rob Herring
972d6a7dce dt-bindings: Drop redundant minItems/maxItems
If a property has an 'items' list, then a 'minItems' or 'maxItems' with the
same size as the list is redundant and can be dropped. Note that is DT
schema specific behavior and not standard json-schema behavior. The tooling
will fixup the final schema adding any unspecified minItems/maxItems.

This condition is partially checked with the meta-schema already, but
only if both 'minItems' and 'maxItems' are equal to the 'items' length.
An improved meta-schema is pending.

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Kamal Dasu <kdasu.kdev@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for MMC
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-By: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20210615191543.1043414-1-robh@kernel.org
2021-06-21 13:56:46 -06:00
Nobuhiro Iwamatsu
476ad3ff89
spi: xilinx: convert to yaml
Convert SPI for Xilinx bindings documentation to YAML schemas.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210605002931.858031-1-iwamatsu@nigauri.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-17 13:53:53 +01:00
Nobuhiro Iwamatsu
aa7968682a
spi: convert Cadence SPI bindings to YAML
Convert spi for Cadence SPI bindings documentation to YAML.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210605003811.858676-1-iwamatsu@nigauri.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-17 13:53:50 +01:00
Mauro Carvalho Chehab
c601eef1e2 dt-bindings: clock: update ti,sci-clk.yaml references
Changeset a7dbfa6f38 ("dt-bindings: clock: Convert ti,sci-clk to json schema")
renamed: Documentation/devicetree/bindings/clock/ti,sci-clk.txt
to: Documentation/devicetree/bindings/clock/ti,sci-clk.yaml.

Update the cross-references accordingly.

Fixes: a7dbfa6f38 ("dt-bindings: clock: Convert ti,sci-clk to json schema")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/0fae687366c09dfb510425b3c88316a727b27d6d.1622648507.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2021-06-02 20:59:28 -05:00
Mark Brown
1a435466b0
Merge branch 'for-5.13' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.14 2021-06-01 18:33:33 +01:00
Mark Brown
c37fe6aff8 Linux 5.13-rc2
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Merge tag 'v5.13-rc2' into spi-5.13

Linux 5.13-rc2
2021-05-18 17:24:52 +01:00
Michael Walle
0b07154f06
dt-bindings: spi: spi-mux: rename flash node
The recent conversion of the common MTD properties to YAML now mandates
a particular node name for SPI flash devices.

Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210517153946.9502-1-michael@walle.cc
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-05-18 14:04:24 +01:00
Geert Uytterhoeven
029d32a892
spi: dw-apb-ssi: Integrate Renesas RZ/N1 SPI controller
Originally, the Renesas RZ/N1 SPI Controller DT bindings were not
integrated in the main DT bindings for the Synopsys DesignWare
Synchronous Serial Interface, but in its own file, as the RZ/N1
controller has additional registers for software CS control and DMA.

As so far DMA is not supported on RZ/N1, and json-schema can handle any
possible differences fine, integrate the RZ/N1 compatible values in the
main DT bindings for the Synopsys DW SSI.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/aef15aa119ed02487ded4691141678bc1040c3b4.1620301936.git.geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-05-10 13:17:17 +01:00
Linus Torvalds
0080665fbd Devicetree updates for v5.13:
- Refactoring powerpc and arm64 kexec DT handling to common code. This
   enables IMA on arm64.
 
 - Add kbuild support for applying DT overlays at build time. The first
   user are the DT unittests.
 
 - Fix kerneldoc formatting and W=1 warnings in drivers/of/
 
 - Fix handling 64-bit flag on PCI resources
 
 - Bump dtschema version required to v2021.2.1
 
 - Enable undocumented compatible checks for dtbs_check. This allows
   tracking of missing binding schemas.
 
 - DT docs improvements. Regroup the DT docs and add the example schema
   and DT kernel ABI docs to the doc build.
 
 - Convert Broadcom Bluetooth and video-mux bindings to schema
 
 - Add QCom sm8250 Venus video codec binding schema
 
 - Add vendor prefixes for AESOP, YIC System Co., Ltd, and Siliconfile
   Technologies Inc.
 
 - Cleanup of DT schema type references on common properties and
   standard unit properties
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Merge tag 'devicetree-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Refactor powerpc and arm64 kexec DT handling to common code. This
   enables IMA on arm64.

 - Add kbuild support for applying DT overlays at build time. The first
   user are the DT unittests.

 - Fix kerneldoc formatting and W=1 warnings in drivers/of/

 - Fix handling 64-bit flag on PCI resources

 - Bump dtschema version required to v2021.2.1

 - Enable undocumented compatible checks for dtbs_check. This allows
   tracking of missing binding schemas.

 - DT docs improvements. Regroup the DT docs and add the example schema
   and DT kernel ABI docs to the doc build.

 - Convert Broadcom Bluetooth and video-mux bindings to schema

 - Add QCom sm8250 Venus video codec binding schema

 - Add vendor prefixes for AESOP, YIC System Co., Ltd, and Siliconfile
   Technologies Inc.

 - Cleanup of DT schema type references on common properties and
   standard unit properties

* tag 'devicetree-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (64 commits)
  powerpc: If kexec_build_elf_info() fails return immediately from elf64_load()
  powerpc: Free fdt on error in elf64_load()
  of: overlay: Fix kerneldoc warning in of_overlay_remove()
  of: linux/of.h: fix kernel-doc warnings
  of/pci: Add IORESOURCE_MEM_64 to resource flags for 64-bit memory addresses
  dt-bindings: bcm4329-fmac: add optional brcm,ccode-map
  docs: dt: update writing-schema.rst references
  dt-bindings: media: venus: Add sm8250 dt schema
  of: base: Fix spelling issue with function param 'prop'
  docs: dt: Add DT API documentation
  of: Add missing 'Return' section in kerneldoc comments
  of: Fix kerneldoc output formatting
  docs: dt: Group DT docs into relevant sub-sections
  docs: dt: Make 'Devicetree' wording more consistent
  docs: dt: writing-schema: Include the example schema in the doc build
  docs: dt: writing-schema: Remove spurious indentation
  dt-bindings: Fix reference in submitting-patches.rst to the DT ABI doc
  dt-bindings: ddr: Add optional manufacturer and revision ID to LPDDR3
  dt-bindings: media: video-interfaces: Drop the example
  devicetree: bindings: clock: Minor typo fix in the file armada3700-tbg-clock.txt
  ...
2021-04-28 15:50:24 -07:00
Kuldeep Singh
9ec2a73f0b
spi: Convert Freescale QSPI binding to json schema
Convert the Freescale QSPI binding to DT schema format using json-schema.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210312054038.3586706-1-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-23 13:18:38 +01:00
Rafał Miłecki
7d82f89c39
spi: brcm,spi-bcm-qspi: convert to the json-schema
This helps validating DTS files.

Changes that require mentioning:
1. reg-names
   "mspi_regs" and "bspi_regs" were renamed to "mspi" and "bspi" as that
   is what's used in DTS files and in Linux driver
2. interrupt-names
   Names were reordered. "mspi_done" has to go first as it's always
   required.
3. spi-rx-bus-width
   Property description was dropped as it's part of the
   spi-controller.yaml
4. Examples:
   * drop partitions as they are well documented elsewhere
   * regs and interrupts were formatted and reordered to match yaml
   * <0x1c> was replaced with <&gic>
   * "m25p80" node name became "flash"
   * dropped invalid "m25p,fast-read" property
   * dropped undocumented and Linux-unused "clock-names"

This rewritten binding validates cleanly using the  "dt_binding_check".
Some Linux stored DTS files will require reordering regs and interrupts
to make dtbs_check happy.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210416194723.23855-1-zajec5@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-20 17:29:37 +01:00
Mark Brown
c7ed5fd5fb
Merge branch 'for-5.12' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.13 2021-04-15 19:29:40 +01:00
Ramuthevar Vadivel Murugan
e54338004c
spi: Convert cadence-quadspi.txt to cadence-quadspi.yaml
There is no way as of now to have a parent or bus defining properties
for child nodes. For now, avoid it in the example to silence warnings on
dt_schema_check. We can figure out how to deal with actual dts files
later.

[p.yadav@ti.com: Fix how compatible is defined, make reset optional, fix
minor typos, remove subnode properties in example, update commit
message.]

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210326130034.15231-5-p.yadav@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-01 08:31:53 +01:00
Heiko Schocher
2801a62dfa
dt-bindings: spi: add compatible entry for imx8mp in FlexSPI controller
add compatible entry "nxp,imx8mp-fspi" in NXP FlexSPI controller

Signed-off-by: Heiko Schocher <hs@denx.de>
Link: https://lore.kernel.org/r/20210316075928.1763460-3-hs@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-25 13:59:43 +00:00
Rob Herring
28ffe8bf90 dt-bindings: Clean-up undocumented compatible strings
Adding checks for undocumented compatible strings reveals a bunch of
warnings in the DT binding examples. Fix the cases which are typos, just
a mismatch between the schema and the example, or aren't documented at all.
In a couple of cases, fixing the compatible revealed some schema errors
which are fixed.

There's a bunch of others remaining after this which have bindings, but
those aren't converted to schema yet.

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: linux-clk@vger.kernel.org
Cc: dmaengine@vger.kernel.org
Cc: linux-i3c@lists.infradead.org
Cc: linux-iio@vger.kernel.org
Cc: linux-leds@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-serial@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Alain Volmat <alain.volmat@foss.st.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20210316194918.3528417-1-robh@kernel.org
2021-03-23 15:27:51 -06:00
Leilk Liu
f42698a8dc
spi: update spi slave bindings for MT8195 SoC
Add a DT binding documentation for the MT8195 soc.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Link: https://lore.kernel.org/r/20210322055244.30179-3-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-23 17:19:43 +00:00
Leilk Liu
08b020d3e9
spi: update spi master bindings for MT8195 SoC
Add a DT binding documentation for the MT8195 soc.

Signed-off-by: leilk.liu <leilk.liu@mediatek.com>
Link: https://lore.kernel.org/r/20210322055244.30179-2-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-23 17:19:43 +00:00
Seiya Wang
5ac1b909e5
dt-bindings: spi: Add compatible for Mediatek MT8195
This commit adds dt-binding documentation of spi nor for Mediatek MT8195 SoC
Platform.

Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
Link: https://lore.kernel.org/r/20210316111443.3332-6-seiya.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-16 13:24:59 +00:00
Mason Zhang
260864f797
spi: mt6779: update spi document
this patch update spi document for MT6779 SOC.

Signed-off-by: Mason Zhang <Mason.Zhang@mediatek.com>
Link: https://lore.kernel.org/r/20210226110109.30500-1-Mason.Zhang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:59 +00:00
Kuldeep Singh
32f298481a
spi: spi-nxp-fspi: Add imx8dxl support
Add support for nxp,imx8dxl-fspi, do the bindings document.

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Link: https://lore.kernel.org/r/20210302124936.1972546-3-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-10 12:46:58 +00:00
Linus Torvalds
a99163e9e7 Devicetree updates for v5.12:
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build
   host fdtoverlay
 
 - Add kbuild support to build DT overlays (%.dtbo)
 
 - Drop NULLifying match table in of_match_device(). In preparation for
   this, there are several driver cleanups to use
   (of_)?device_get_match_data().
 
 - Drop pointless wrappers from DT struct device API
 
 - Convert USB binding schemas to use graph schema and remove old plain
   text graph binding doc
 
 - Convert spi-nor and v3d GPU bindings to DT schema
 
 - Tree wide schema fixes for if/then schemas, array size constraints,
   and undocumented compatible strings in examples
 
 - Handle 'no-map' correctly for already reserved memblock regions
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Merge tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build host
   fdtoverlay

 - Add kbuild support to build DT overlays (%.dtbo)

 - Drop NULLifying match table in of_match_device().

   In preparation for this, there are several driver cleanups to use
   (of_)?device_get_match_data().

 - Drop pointless wrappers from DT struct device API

 - Convert USB binding schemas to use graph schema and remove old plain
   text graph binding doc

 - Convert spi-nor and v3d GPU bindings to DT schema

 - Tree wide schema fixes for if/then schemas, array size constraints,
   and undocumented compatible strings in examples

 - Handle 'no-map' correctly for already reserved memblock regions

* tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
  driver core: platform: Drop of_device_node_put() wrapper
  of: Remove of_dev_{get,put}()
  dt-bindings: usb: Change descibe to describe in usbmisc-imx.txt
  dt-bindings: can: rcar_canfd: Group tuples in pin control properties
  dt-bindings: power: renesas,apmu: Group tuples in cpus properties
  dt-bindings: mtd: spi-nor: Convert to DT schema format
  dt-bindings: Use portable sort for version cmp
  dt-bindings: ethernet-controller: fix fixed-link specification
  dt-bindings: irqchip: Add node name to PRUSS INTC
  dt-bindings: interconnect: Fix the expected number of cells
  dt-bindings: Fix errors in 'if' schemas
  dt-bindings: iommu: renesas,ipmmu-vmsa: Make 'power-domains' conditionally required
  dt-bindings: Fix undocumented compatible strings in examples
  kbuild: Add support to build overlays (%.dtbo)
  scripts: dtc: Remove the unused fdtdump.c file
  scripts: dtc: Build fdtoverlay tool
  scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9
  scripts: dtc: Fetch fdtoverlay.c from external DTC project
  dt-bindings: thermal: sun8i: Fix misplaced schema keyword in compatible strings
  dt-bindings: iio: dac: Fix AD5686 references
  ...
2021-02-22 10:05:12 -08:00
Linus Torvalds
a2590d6989 spi: Updates for v5.12
The main focus of this release from a framework point of view has been
 spi-mem where we've acquired support for a few new hardware features
 which enable better performance on suitable hardware.  Otherwise mostly
 thanks to Arnd's cleanup efforts on old platforms we've removed several
 obsolete drivers which just about balance out the newer drivers we've
 added this cycle.
 
  - Allow drivers to flag if they are unidirectional.
  - Support for DTR mode and hardware acceleration of dummy cycles in spi-mem.
  - Support for Allwinder H616, Intel Lightning Mountain, nVidia Tegra
    QuadSPI, Realtek RTL838x and RTL839x.
  - Removal of obsolute EFM32, Txx9 and SIRF Prima and Atlas drivers.
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Merge tag 'spi-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "The main focus of this release from a framework point of view has been
  spi-mem where we've acquired support for a few new hardware features
  which enable better performance on suitable hardware.

  Otherwise mostly thanks to Arnd's cleanup efforts on old platforms
  we've removed several obsolete drivers which just about balance out
  the newer drivers we've added this cycle.

  Summary:

   - Allow drivers to flag if they are unidirectional.

   - Support for DTR mode and hardware acceleration of dummy cycles in
     spi-mem.

   - Support for Allwinder H616, Intel Lightning Mountain, nVidia Tegra
     QuadSPI, Realtek RTL838x and RTL839x.

   - Removal of obsolete EFM32, Txx9 and SIRF Prima and Atlas drivers"

* tag 'spi-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (76 commits)
  spi: Skip zero-length transfers in spi_transfer_one_message()
  spi: dw: Avoid stack content exposure
  spi: cadence-quadspi: Use spi_mem_dtr_supports_op()
  spi: spi-mem: add spi_mem_dtr_supports_op()
  spi: atmel-quadspi: Disable the QSPI IP at suspend()
  spi: pxa2xx: Add IDs for the controllers found on Intel Lynxpoint
  spi: pxa2xx: Fix the controller numbering for Wildcat Point
  spi: Change provied to provided in the file spi.h
  spi: mediatek: add set_cs_timing support
  spi: support CS timing for HW & SW mode
  spi: add power control when set_cs_timing
  spi: stm32: make spurious and overrun interrupts visible
  spi: stm32h7: replace private SPI_1HZ_NS with NSEC_PER_SEC
  spi: stm32: defer probe for reset
  spi: stm32: driver uses reset controller only at init
  spi: stm32h7: ensure message are smaller than max size
  spi: stm32: use bitfield macros
  spi: stm32: do not mandate cs_gpio
  spi: stm32: properly handle 0 byte transfer
  spi: clps711xx: remove redundant white-space
  ...
2021-02-22 09:19:08 -08:00
Michal Simek
19e1f484a6 dt-bindings: spi: zynq: Convert Zynq QSPI binding to yaml
Convert spi-zynq-qspi.txt to yaml.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/4ece21a7e9691ed1e775fd6b0b4046b1562e44bd.1612951821.git.michal.simek@xilinx.com
Reviewed-by: Rob Herring <robh@kernel.org>
2021-02-11 12:30:37 +01:00
Bert Vermeulen
6acbd614c2
spi: Realtek RTL838x/RTL839x SPI controller
Signed-off-by: Bert Vermeulen <bert@biot.com>
Link: https://lore.kernel.org/r/20210120135928.246054-2-bert@biot.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-02-04 18:45:58 +00:00
Andre Przywara
6589daf8bb
dt-bindings: spi: sunxi: Add H616 compatible string
Add the obvious compatible name to the existing SPI binding, and pair
it with the existing H3 fallback compatible string, as the devices are
compatible.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210125151811.11871-14-andre.przywara@arm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-26 13:52:00 +00:00
Arnd Bergmann
181997b494
spi: remove sirf prima/atlas driver
The CSR SiRF prima2/atlas platforms are getting removed, so this driver
is no longer needed.

Cc: Barry Song <baohua@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Barry Song <baohua@kernel.org>
Link: https://lore.kernel.org/r/20210120161658.3820610-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-21 18:14:28 +00:00
Ramuthevar Vadivel Murugan
fcebca3993
dt-bindings: spi: cadence-qspi: Add support for Intel lgm-qspi
Add new vendor specific compatible string to check Intel's Lightning
Mountain(LGM) QSPI features enablement in cadence-quadspi driver.

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201124041840.31066-6-vadivel.muruganx.ramuthevar@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-13 11:37:05 +00:00
Ramuthevar Vadivel Murugan
eb4aadc31e
spi: Move cadence-quadspi.txt to Documentation/devicetree/bindings/spi
Move the Documentation/devicetree/bindings/mtd/cadence-quadspi.txt to
Documentation/devicetree/bindings/spi/

Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201124041840.31066-5-vadivel.muruganx.ramuthevar@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-13 11:37:04 +00:00
Rob Herring
0499220d6d dt-bindings: Add missing array size constraints
DT properties which can have multiple entries need to specify what the
entries are and define how many entries there can be. In the case of
only a single entry, just 'maxItems: 1' is sufficient.

Add the missing entry constraints. These were found with a modified
meta-schema. Unfortunately, there are a few cases where the size
constraints are not defined such as common bindings, so the meta-schema
can't be part of the normal checks.

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Suman Anna <s-anna@ti.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210104230253.2805217-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2021-01-11 17:42:25 -06:00
Wolfram Sang
6be6929319
spi: renesas,sh-msiof: Add r8a779a0 support
Document R-Car V3U (R8A779A0) SoC bindings.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20210108103522.2025880-1-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-08 14:00:46 +00:00
Sowjanya Komatineni
9684752e5f
dt-bindings: spi: Add Tegra Quad SPI device tree binding
This patch adds YAML based device tree binding document for Tegra
Quad SPI driver.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1608585459-17250-3-git-send-email-skomatineni@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-06 13:09:28 +00:00
Alexandru Ardelean
ffe9819b67
spi: dt-bindings: document zero value for spi-{rx,tx}-bus-width properties
Following a change to the SPI framework, providing a value of zero for
'spi-rx-bus-width' and 'spi-tx-bus-width' is now possible and will
essentially mean that no RX or TX is allowed.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201221152936.53873-3-alexandru.ardelean@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-28 14:21:32 +00:00
H. Nikolaus Schaller
2fee958319
spi: dt-bindings: clarify CS behavior for spi-cs-high and gpio descriptors
Behavior of CS signal in combination of spi-cs-high and gpio descriptors
is not clearly defined and documented. So clarify the documentation

Cc: linus.walleij@linaro.org
Cc: linux-gpio@vger.kernel.org
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/3bed61807fff6268789e7d411412fbc5cd6ffe2a.1607507863.git.hns@goldelico.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-11 13:23:09 +00:00
Damien Le Moal
7b14a272f9
dt-bindings: spi: dw-apb-ssi: Add Canaan K210 SPI controller
Update the snps,dw-apb-ssi.yaml document to include the compatibility
string "canaan,k210-spi" compatible string for the Canaan Kendryte K210
RISC-V SoC DW apb_ssi V4 SPI controller.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20201206011817.11700-2-damien.lemoal@wdc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-09 12:14:21 +00:00
Yash Shah
76347344c5
spi: Update DT binding docs to support SiFive FU740 SoC
Add new compatible strings to the DT binding documents to support SiFive
FU740-C000.

Signed-off-by: Yash Shah <yash.shah@sifive.com>
Link: https://lore.kernel.org/r/1607403341-57214-3-git-send-email-yash.shah@sifive.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-08 14:21:51 +00:00