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Author SHA1 Message Date
Fabio Estevam
9df1dd4506 dt-bindings: serial: imx: Properly describe the i.MX1 interrupts 
i.MX1 has three UART interrupts instead of a single one like other
i.MX devices.

Take this into account for properly describing the i.MX1 UART
interrupts.

This fixes the following dt-schema warning:

	from schema $id: http://devicetree.org/schemas/serial/fsl-imx-uart.yaml#yaml#

imx1-ads.dtb: serial@206000: interrupts: [[30], [29], [26]] is too long
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231206162841.2326201-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-12-15 14:19:56 +01:00
Marek Vasut
500d179674 dt-bindings: serial: imx: Document wakeup-source property 
The i.MX UART can be used as a wake-up source, document the 'wakeup-source'
property as allowed property.

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20230921192729.71259-1-marex@denx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-10-03 14:35:44 +02:00
Marek Vasut
872eb918d8 dt-bindings: serial: imx: Document mandatory clock properties 
The UART IP must be connected to clock, document the properties in DT bindings.
Update example to match Linux arch/arm/boot/dts/imx51.dtsi .

Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230219142250.10176-2-marex@denx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-03-09 17:12:10 +01:00
Marek Vasut
cf8d4027a7 dt-bindings: serial: imx: Document optional DMA properties 
The UART IP can be connected to DMA engine, document the properties in DT bindings.
Update example to match Linux arch/arm/boot/dts/imx51.dtsi .

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20230219142250.10176-1-marex@denx.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-03-09 17:12:10 +01:00
Krzysztof Kozlowski
eec2c477d9 dt-bindings: serial: drop unneeded quotes 
Cleanup by removing unneeded quotes from refs.  No functional impact
except adjusting to preferred coding style.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230124091916.45054-9-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-02-01 06:13:36 +01:00
Krzysztof Kozlowski
1f406109ec dt-bindings: serial: fsl-imx-uart: drop common properties 
The binding references serial and rs485 schemas, so there is no need to
list their properties.  Simplify a bit by removing unneeded entries.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230124091916.45054-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-02-01 06:13:36 +01:00
Fabien Lahoudere
db0a196bd8 serial: imx: Add DMA buffer configuration via DT 
In order to optimize serial communication (performance/throughput VS
latency), we may need to tweak DMA period number and size. This adds
DT properties to configure those values before initialising DMA.
The defaults will stay the same as before.

[update documentation and commit message, rebase to current master,
switch back to DT instead of sysfs]

Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20210430175038.103226-2-sebastian.reichel@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-04 15:11:16 +02:00
Fabio Estevam
81004f0bf7 dt-bindings: serial: imx: Switch to my personal address 
My nxp account will expire soon, so switch to my personal e-mail
address.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210130144751.133641-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-01-31 13:47:39 +01:00
Rob Herring
6ad8838de4 dt-bindings: More whitespace clean-ups in schema files 
Clean-up incorrect indentation, extra spaces, and missing EOF newline in
schema files. Most of the clean-ups are for list indentation which
should always be 2 spaces more than the preceding keyword.

Found with yamllint (now integrated into the checks).

Cc: linux-arm-kernel@lists.infradead.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-i2c@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Cc: linux-mmc@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Cc: linux-serial@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Sam Ravnborg <sam@ravnborg.org> # for display
Acked-by:  Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio
Signed-off-by: Rob Herring <robh@kernel.org>
 2020-10-26 16:13:56 -05:00
Krzysztof Kozlowski
7a64ed02ca dt-bindings: serial: fsl-imx-uart: fix i.MX 53 and 6 compatible matching 
The i.MX 53 and i.MX6Q DTS use two compatibles, i.MX 6SL/6SLL/SX three
so update the binding to fix dtbs_check warnings like:

  serial@21ec000: compatible: ['fsl,imx6q-uart', 'fsl,imx21-uart'] is not valid under any of the given schemas

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200925212649.23183-1-krzk@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
 2020-10-06 09:52:22 -05:00
Krzysztof Kozlowski
669e8aa347 dt-bindings: serial: fsl-imx-uart: Add i.MX 8M compatibles 
DTSes with new i.MX 8M SoCs introduce their own compatibles so add them
to fix dtbs_check warnings like:

  arch/arm64/boot/dts/freescale/imx8mm-evk.dt.yaml: pwm@30660000:
    compatible:0: 'fsl,imx8mm-pwm' is not one of ['fsl,imx1-pwm', 'fsl,imx27-pwm']
    From schema: Documentation/devicetree/bindings/pwm/imx-pwm.yaml

  arch/arm64/boot/dts/freescale/imx8mm-evk.dt.yaml: pwm@30660000:
    compatible: ['fsl,imx8mm-pwm', 'fsl,imx27-pwm'] is too long

  arch/arm64/boot/dts/freescale/imx8mm-evk.dt.yaml: pwm@30660000:
    compatible: Additional items are not allowed ('fsl,imx27-pwm' was unexpected)

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
 2020-09-14 16:48:15 -06:00
Anson Huang
ebd35674ae dt-bindings: serial: Convert i.MX uart to json-schema 
Convert the i.MX uart binding to DT schema format using json-schema.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Link: https://lore.kernel.org/r/1597721685-9280-3-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Rob Herring <robh@kernel.org>
 2020-08-18 09:52:20 -06:00