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author | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:14:13 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:15:08 +0300 |
commit | 537c2e91d3549e5d6020bb0576cf9b54a845255f (patch) | |
tree | c09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml | |
parent | 237bb5f7f7f55ec5f773469a974c61a49c298625 (diff) | |
parent | cba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff) | |
download | linux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml b/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml new file mode 100644 index 000000000000..0dc6a40b63f4 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/atmel,sama5d2-flexcom.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip Flexcom (Flexible Serial Communication Unit) + +maintainers: + - Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com> + +description: + The Microchip 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: + oneOf: + - const: atmel,sama5d2-flexcom + - items: + - const: microchip,sam9x7-flexcom + - const: atmel,sama5d2-flexcom + - items: + - const: microchip,sama7g5-flexcom + - const: 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. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3] + +patternProperties: + "^serial@[0-9a-f]+$": + type: object + description: + Child node describing USART. See atmel-usart.txt for details + of USART bindings. + + "^spi@[0-9a-f]+$": + type: object + description: + Child node describing SPI. See ../spi/spi_atmel.txt for details + of SPI bindings. + + "^i2c@[0-9a-f]+$": + $ref: /schemas/i2c/atmel,at91sam-i2c.yaml + description: + Child node describing I2C. + +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"; + reg = <0xf8034000 0x200>; + clocks = <&flx0_clk>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0xf8034000 0x800>; + atmel,flexcom-mode = <2>; + }; +... |