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Some boards don't have chipselect lines for leds so cs-gpios is not
specified in the dts leading to probing error. Fix it by making
behavior similar to the one in Linux, parse num-chipselects and
if it is zero, ignore cs-gpios.
Signed-off-by: Michael Polyntsov <[email protected]>
Signed-off-by: Mikhail Kshevetskiy <[email protected]>
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According to Documentation/devicetree/bindings/spi/spi-gpio.yaml
from Linux, the recommended spio-gpio properties are:
sck-gpios, miso-gpios and mosi-gpios.
gpio-sck, gpio-mosi and gpio-miso are considered deprecated.
Update the bindings to suggest the recommeded properties.
Signed-off-by: Fabio Estevam <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Bring the device tree binding document from Linux to u-boot
Port from linux patches:
Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: William Zhang <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Add support for the HPE GXP SPI Controller.
Signed-off-by: Nick Hawkins <[email protected]>
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"kendryte" is the marketing name for the K210 RISC-V SoC produced by
Canaan Inc. Rather than "kendryte,k210", use the usual "canaan,k210"
vendor,SoC compatibility string format in the device tree files and
use the SoC name for file names.
With these changes, the device tree files are more in sync with the
Linux kernel DTS and drivers, making uboot device tree usable by the
kernel.
Signed-off-by: Damien Le Moal <[email protected]>
Signed-off-by: Niklas Cassel <[email protected]>
Reviewed-by: Leo Yu-Chi Liang <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
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With device tree binding migration to yaml it is difficult to synchronize
the binding from Linux kernel to U-Boot.
Instead of maintaining the same dt bindings, this patch adds in the U-Boot
documentation the path to the device tree bindings in Linux kernel for
STMicroelectronics devices, when they are used without modification.
Signed-off-by: Patrick Delaunay <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
Add links for referenced text files.
Signed-off-by: Heinrich Schuchardt <[email protected]>
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This documentation has been taken from Linux commit 3d7db0f11c7a ("spi: dw:
Refactor mid_spi_dma_setup() to separate DMA and IRQ config"), immediately
before the file was deleted and replaced with a yaml version. Additional
compatible strings from newer versions have been added, as well as a few
U-Boot-specific ones.
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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This patch adds support for the Qualcomm QUP SPI controller that is commonly found in most of Qualcomm SoC-s.
Driver currently supports v1.1.1, v2.1.1 and v2.2.1 HW.
FIFO and Block modes are supported, no support for DMA mode is planned.
Signed-off-by: Robert Marko <[email protected]>
Signed-off-by: Luka Kovacic <[email protected]>
Cc: Luka Perkov <[email protected]>
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Communication with some SPI slaves just won't cut it if these delays
(before the beginning, and after the end of a transfer) are not added to
the Chip Select signal.
These are a straight copy from Linux:
Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
drivers/spi/spi-fsl-dspi.c
Signed-off-by: Vladimir Oltean <[email protected]>
[Rebased]
Signed-off-by: Priyanka Jain <[email protected]>
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Align doc/device-tree-bindings/spi/spi-stm32-qspi.txt with kernel v5.2-rc6
Signed-off-by: Patrice Chotard <[email protected]>
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This patch adds a basic group of devicetrees, one for each
cpu family, including actually just uart and dspi devices,
since these are the drivers supporting devicetree (support
added in this patch-set).
Acked-by: Jagan Teki <[email protected]>
Signed-off-by: Angelo Dureghello <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Since all DTS files has been switched to "jedec,spi-nor", remove
the "spi-flash" compatible from the bindings examples.
Signed-off-by: Neil Armstrong <[email protected]>
Reviewed-by: Simon Goldschmidt <[email protected]>
Reviewed-by: Rick Chen <[email protected]>
Reviewed-by: Patrick Delaunay <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Linux uses "cdns,qspi-nor" as compatible string for the cadence
qspi driver, so change driver, docs and all device trees.
Signed-off-by: Simon Goldschmidt <[email protected]>
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Update documentation to reflect adopting the Linux DT bindings.
Tested on TI K2G platform:
Tested-by: Vignesh R <[email protected]>
Tested on a socfpga-cyclonev board:
Tested-by: Simon Goldschmidt <[email protected]>
Signed-off-by: Jason Rush <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
Acked-by: Simon Goldschmidt <[email protected]>
Acked-by: Marek Vasut <[email protected]>
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Linux bindings have been introduced in the code (removing the U-Boot
specific ones) without documentation update. Compatible string has
changed, as well as the four GPIO properties. Reflect this by updating
the soft-spi.txt documentation.
Fixes: 102412c415 ("dm: spi: soft_spi: switch to use linux compatible string")
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Add a document to describe Andestech atcspi200 spi and
binding information.
Signed-off-by: Rick Chen <[email protected]>
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This patch adds the DTS source files needed for stm32f746-disco board
The files are based on the stm32f429/469 files from current linux
kernel.
Source for "arch/arm/dts/armv7-m.dtsi": Linux: "arch/arm/boot/dts/armv7-m.dtsi"
Signed-off-by: Michael Kurz <[email protected]>
Acked-by: Vikas MANOCHA <[email protected]>
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This patch add a compatible spi driver for ath79 series SOC.
Signed-off-by: Wills Wang <[email protected]>
Reviewed-by: Thomas Chou <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
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Signed-off-by: Vagrant Cascadian <[email protected]>
Acked-by: Marek Vasut <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Added device-tree-binding information for zynq qspi controller
driver.
Signed-off-by: Jagan Teki <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Siva Durga Prasad Paladugu <[email protected]>
Acked-by: Michal Simek <[email protected]>
Tested-by: Jagan Teki <[email protected]>
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Convert altera_spi to driver model
Signed-off-by: Thomas Chou <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
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Zynq is using Cadence IP where binding is documented in the Linux kernel
and there is no reason to use different binding.
Synchronize it.
Signed-off-by: Michal Simek <[email protected]>
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This patch adds the device tree binding doc for the cadence qspi controller &
also removes the not needed properties from the stv0991 device tree.
Signed-off-by: Vikas Manocha <[email protected]>
Reviewed-by: Jagannadh Teki <[email protected]>
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Now zynq spi driver platform data is controlled by devicetree,
enable the status by saying "okay" on respective board dts to use
the devicetree generated platdata.
Ex:
&spi1 {
status = "okay";
};
Signed-off-by: Jagan Teki <[email protected]>
Acked-by: Simon Glass <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Siva Durga Prasad Paladugu <[email protected]>
Tested-by: Jagan Teki <[email protected]>
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This patch adds zynq spi controller nodes in zynq-7000.dtsi.
Signed-off-by: Jagan Teki <[email protected]>
Acked-by: Simon Glass <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Siva Durga Prasad Paladugu <[email protected]>
Tested-by: Jagan Teki <[email protected]>
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Add a new implementation of soft_spi that uses device tree to specify the
GPIOs. This will replace soft_spi_legacy for boards which use driver model.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Jagannadha Sutradharudu Teki <[email protected]>
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This parameter should also be supported.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Ajay Kumar <[email protected]>
Reviewed-by: Jagannadha Sutradharudu Teki <[email protected]>
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This was obtained from Linux 3.12 commit 5e01dc7b26.
Signed-off-by: Simon Glass <[email protected]>
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