On 18/06/2022 00:00, Krzysztof Kozlowski wrote: > On 17/06/2022 06:07, Kavyasree Kotagiri wrote: >> Convert the Atmel flexcom device tree bindings to json schema. >> >> Signed-off-by: Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx> >> --- >> v3 -> v4: >> - Corrected format of enum used for compatible string. >> >> v2 -> v3: >> - used enum for compatible string. >> - changed irq flag to IRQ_TYPE_LEVEL_HIGH in example. >> - fixed dtschema errors. >> >> v1 -> v2: >> - Fix title. >> >> .../bindings/mfd/atmel,flexcom.yaml | 104 ++++++++++++++++++ >> .../devicetree/bindings/mfd/atmel-flexcom.txt | 63 ----------- >> 2 files changed, 104 insertions(+), 63 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml >> delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-flexcom.txt >> >> diff --git a/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml >> new file mode 100644 >> index 000000000000..fdb1645d123f >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/mfd/atmel,flexcom.yaml >> @@ -0,0 +1,104 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/mfd/atmel,flexcom.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Atmel Flexcom (Flexible Serial Communication Unit) >> + >> +maintainers: >> + - Kavyasree Kotagiri <kavyasree.kotagiri@xxxxxxxxxxxxx> >> + >> +description: >> + The Atmel Flexcom is just a wrapper which embeds a SPI controller, >> + an I2C controller and an USART. Only one function can be used at a >> + time and is chosen at boot time according to the device tree. >> + >> +properties: >> + compatible: >> + enum: >> + - atmel,sama5d2-flexcom >> + >> + reg: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 1 >> + >> + "#address-cells": >> + const: 1 >> + >> + "#size-cells": >> + const: 1 >> + >> + ranges: >> + description: >> + One range for the full I/O register region. (including USART, >> + TWI and SPI registers). >> + items: >> + maxItems: 3 >> + >> + atmel,flexcom-mode: >> + description: | >> + Specifies the flexcom mode as follows: >> + 1: USART >> + 2: SPI >> + 3: I2C. >> + $ref: /schemas/types.yaml#/definitions/uint32 >> + enum: [1, 2, 3] >> + >> +patternProperties: >> + "^serial@[0-9a-f]+$": >> + description: See atmel-usart.txt for details of USART bindings. >> + type: object >> + >> + "^spi@[0-9a-f]+$": >> + description: See ../spi/spi_atmel.txt for details of SPI bindings. >> + type: object >> + >> + properties: >> + compatible: >> + const: atmel,at91rm9200-spi >> + >> + "^i2c@[0-9a-f]+$": >> + description: See ../i2c/i2c-at91.txt for details of I2C bindings. >> + type: object >> + >> +required: >> + - compatible >> + - reg >> + - clocks >> + - "#address-cells" >> + - "#size-cells" >> + - ranges >> + - atmel,flexcom-mode >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + #include <dt-bindings/interrupt-controller/arm-gic.h> >> + >> + flx0: flexcom@f8034000 { >> + compatible = "atmel,sama5d2-flexcom"; > > The bindings look good, but you have here weird indentation. I don't > remember if I pointed out this already, so in any case sorry for > bringing it up so late. The indentation should be four spaces which > nicely aligns with " - |". > > > >> + reg = <0xf8034000 0x200>; >> + clocks = <&flx0_clk>; >> + #address-cells = <1>; >> + #size-cells = <1>; >> + ranges = <0x0 0xf8034000 0x800>; >> + atmel,flexcom-mode = <2>; >> + >> + spi0: spi@400 { >> + compatible = "atmel,at91rm9200-spi"; > > 4 spaces > > Rob's bot also complained about compatible. Are you sure you use here > correct compatible? It's in Documentation/devicetree/bindings/spi/spi_atmel.txt So that'll explain the error.. Thanks, Conor. Conor