| Message ID | 20210712150242.146545-2-sebastian.reichel@collabora.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | GE Healthcare PPD firmware upgrade driver for ACHC | expand |
On Tue, Jul 13, 2021 at 8:03 AM Rob Herring <robh@kernel.org> wrote: > > On Mon, 12 Jul 2021 17:02:40 +0200, Sebastian Reichel wrote: > > Convert the binding to DT schema format. Also update the binding > > to fix shortcomings > > > > * Add "nxp,kinetis-k20" fallback compatible > > * add programming SPI interface and reset GPIO > > * add main clock > > * add voltage supplies > > * drop spi-max-frequency from required properties, > > driver will setup max. frequency > > > > Reviewed-by: Rob Herring <robh@kernel.org> > > Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> > > --- > > .../devicetree/bindings/misc/ge-achc.txt | 26 -------- > > .../devicetree/bindings/misc/ge-achc.yaml | 65 +++++++++++++++++++ > > 2 files changed, 65 insertions(+), 26 deletions(-) > > delete mode 100644 Documentation/devicetree/bindings/misc/ge-achc.txt > > create mode 100644 Documentation/devicetree/bindings/misc/ge-achc.yaml > > > > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' > on your patch (DT_CHECKER_FLAGS is new in v5.13): > > yamllint warnings/errors: > > dtschema/dtc warnings/errors: > /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/misc/ge-achc.example.dt.yaml: spi: spi@1:reg: [[1], [0]] is too long > From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/spi/spi-controller.yaml > /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/misc/ge-achc.example.dt.yaml: spi: spi@1:reg: Additional items are not allowed ([0] was unexpected) > From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/spi/spi-controller.yaml Ignore this. The necessary change is in v5.14-rc1. Rob
diff --git a/Documentation/devicetree/bindings/misc/ge-achc.txt b/Documentation/devicetree/bindings/misc/ge-achc.txt deleted file mode 100644 index 77df94d7a32f..000000000000 --- a/Documentation/devicetree/bindings/misc/ge-achc.txt +++ /dev/null @@ -1,26 +0,0 @@ -* GE Healthcare USB Management Controller - -A device which handles data aquisition from compatible USB based peripherals. -SPI is used for device management. - -Note: This device does not expose the peripherals as USB devices. - -Required properties: - -- compatible : Should be "ge,achc" - -Required SPI properties: - -- reg : Should be address of the device chip select within - the controller. - -- spi-max-frequency : Maximum SPI clocking speed of device in Hz, should be - 1MHz for the GE ACHC. - -Example: - -spidev0: spi@0 { - compatible = "ge,achc"; - reg = <0>; - spi-max-frequency = <1000000>; -}; diff --git a/Documentation/devicetree/bindings/misc/ge-achc.yaml b/Documentation/devicetree/bindings/misc/ge-achc.yaml new file mode 100644 index 000000000000..ff07aa62ed57 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/ge-achc.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +# Copyright (C) 2021 GE Inc. +# Copyright (C) 2021 Collabora Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/ge-achc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GE Healthcare USB Management Controller + +description: | + A device which handles data acquisition from compatible USB based peripherals. + SPI is used for device management. + + Note: This device does not expose the peripherals as USB devices. + +maintainers: + - Sebastian Reichel <sre@kernel.org> + +properties: + compatible: + items: + - const: ge,achc + - const: nxp,kinetis-k20 + + clocks: + maxItems: 1 + + vdd-supply: + description: Digital power supply regulator on VDD pin + + vdda-supply: + description: Analog power supply regulator on VDDA pin + + reg: + items: + - description: Control interface + - description: Firmware programming interface + + reset-gpios: + description: GPIO used for hardware reset. + maxItems: 1 + +required: + - compatible + - clocks + - reg + - reset-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + spi { + #address-cells = <1>; + #size-cells = <0>; + + spi@1 { + compatible = "ge,achc", "nxp,kinetis-k20"; + reg = <1>, <0>; + clocks = <&achc_24M>; + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; + }; + };