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The UART of SG2044 is modified version of the standard Synopsys
DesignWare UART. The UART on SG2044 relys on the internal divisor
and can not set right clock rate for the common bitrates.
Add compatibles string for the Sophgo SG2044 uarts.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241024062105.782330-3-inochiama@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Each vendor have an items entry of its own compatible, It is needless
and can be merged as it share the same base "snps,dw-apb-uart"
compatible.
Merge the duplicate compatible entry into one item entry.
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Suggested-by: Conor Dooley <conor@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241024062105.782330-2-inochiama@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rockchip RK3528 comes with a snps-dw-apb-uart compatible UART. Document
it in dt-bindings.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Yao Zi <ziyao@disroot.org>
Link: https://lore.kernel.org/r/20240919111413.45413-4-ziyao@disroot.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a Rockchip RK3576 compatible.
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240918150704.1163581-2-detlev.casanova@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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StarFive JH7110 SoC
The UART of StarFive JH7110 has two reset signals.
Both of them are necessary for JH7110 to initialize UART.
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240604084729.57239-2-hal.feng@starfivetech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The dw-apb-uart also can emulate rs485, so include the rs485
schema to allow validating rs485 properties.
Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231201140542.323564-1-heiko@sntech.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver fall back to poll style when there's no irq. "poll" still
looks better than no support.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230806092056.2467-2-jszhang@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma &
dma-names properties") documented dma-names property to handle Allwinner
D1 dtbs_check warnings, but relies on the rx->tx ordering, which is the
reverse of what a different board expects:
rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected
A quick and incomplete check shows the inconsistency is present in many
other DTS files:
$ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u
arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx";
arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx";
arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx";
arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx";
arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx";
arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx";
arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx";
arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx";
arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx";
arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx";
arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx";
arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx";
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx";
The initial proposed solution was to allow a flexible dma-names order in
the binding, due to potential ABI breakage concerns after fixing the DTS
files. But luckily the Allwinner boards are not really affected, since
all of them are using a shared DMA channel for rx and tx:
$ git grep -A10 snps,dw-apb-uart | grep 'sun.*dmas' | sort -u
arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 10>, <&dma 10>;
arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 22>, <&dma 22>;
arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 6>, <&dma 6>;
arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 7>, <&dma 7>;
arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 8>, <&dma 8>;
arch/arm/boot/dts/sun6i-a31.dtsi- dmas = <&dma 9>, <&dma 9>;
arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 10>, <&dma 10>;
arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 6>, <&dma 6>;
arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 7>, <&dma 7>;
arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 8>, <&dma 8>;
arch/arm/boot/dts/sun8i-a23-a33.dtsi- dmas = <&dma 9>, <&dma 9>;
arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 6>, <&dma 6>;
arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 7>, <&dma 7>;
arch/arm/boot/dts/sun8i-v3s.dtsi- dmas = <&dma 8>, <&dma 8>;
arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 6>, <&dma 6>;
arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 7>, <&dma 7>;
arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 8>, <&dma 8>;
arch/arm/boot/dts/sunxi-h3-h5.dtsi- dmas = <&dma 9>, <&dma 9>;
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 14>, <&dma 14>;
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 15>, <&dma 15>;
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 16>, <&dma 16>;
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 17>, <&dma 17>;
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 18>, <&dma 18>;
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dmas = <&dma 19>, <&dma 19>;
Switch dma-names order to tx->rx as the first step in fixing the
inconsistency. The remaining DTS fixes will be handled by separate
patches.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230321215624.78383-2-cristian.ciocaltea@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The "minItems" alone does not impose any upper limit of DMAs, so switch
it to "maxItems" which also implies same value for minItems.
Fixes: 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230317155712.99654-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 0c559bc8abfb ("dt-bindings: serial: restrict possible child node
names") exposed the Allwinner D1 devicetrees as users of unevaluated
properties, with a slew of similar warnings now appearing during
dtbs_check:
sun20i-d1-nezha.dtb: serial@2500400: Unevaluated properties are not allowed ('dma-names', 'dmas' were unexpected)
Document the missing properties.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230208171715.70862-1-conor@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add rockchip,rk3128-uart compatible string.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/4f283231-2ed4-202b-0c23-157bce0841ee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Document compatible string for Rockchip RV1126 SoC.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220723204335.750095-13-jagan@edgeble.ai
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a Rockchip RK3588 compatible.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20220623161350.242079-1-sebastian.reichel@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add compatibles for the StarFive JH7100 uarts.
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
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Add a Rockchip RK1808 compatible.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210516230551.12469-3-afaerber@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The /schemas/serial.yaml from dt-schema only has the property $nodename,
whereas the kernel-defined /schemas/serial/serial.yaml contains more
useful properties, support for more complex application scenarios.
For example:
1) The property "current-speed" in fsl-lx2160a.dtsi
2) The subnode "bluetooth" in hi3660-hikey960.dts
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210506132049.1513-2-thunder.leizhen@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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add "rockchip,rk3568-uart", "snps,dw-apb-uart" for uart nodes on
a rk3568 platform to snps-dw-apb-uart.yaml.
Signed-off-by: Liang Chen <cl@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210429081151.17558-3-cl@rock-chips.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This doesn't yet do anything in the tools, but make it explicit so we can
check either 'unevaluatedProperties' or 'additionalProperties' is present
in schemas.
'unevaluatedProperties' is appropriate when including another schema (via
'$ref') and all possible properties and/or child nodes are not
explicitly listed in the schema with the '$ref'.
This is in preparation to add a meta-schema to check for missing
'unevaluatedProperties' or 'additionalProperties'. This has been a
constant source of review issues.
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20201005183830.486085-2-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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A test with the command below gives these errors:
arch/arm64/boot/dts/rockchip/rk3308-evb.dt.yaml: serial@ff0d0000: compatible:
['rockchip,rk3308-uart', 'snps,dw-apb-uart']
is not valid under any of the given schemas
arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dt.yaml: serial@ff0a0000: compatible:
['rockchip,rk3308-uart', 'snps,dw-apb-uart']
is not valid under any of the given schemas
The compatible property for the Rockchip rk3308 uart was somehow never
added to the documention. Fix this error by adding 'rockchip,rk3308-uart'
to snps-dw-apb-uart.yaml.
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/serial/
snps-dw-apb-uart.yaml
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The renesas,rzn1-uart binding only differs in compatible string from the
snps-dw-apb-uart binding. Move it there, converting it to json-schema in
the process.
Cc: Phil Edworthy <phil.edworthy@renesas.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-serial@vger.kernel.org
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Convert the snps,dw-apb-uart binding to DT schema using json-schema.
The Rockchip and Broadcom compatible strings were not documented,
so add them here.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-serial@vger.kernel.org
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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