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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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7105fdd54a
Convert the Marvell Orion SPI binding to schema. Update compatible strings to what is in use. Generally, "marvell,orion-spi" is a fallback compatible, but newer variants only use "marvell,armada-380-spi". Mark cell-index as deprecated and not required as some instances don't use it already. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20250702222643.2761617-1-robh@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
103 lines
2.9 KiB
YAML
103 lines
2.9 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/spi/marvell,orion-spi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Marvell Orion SPI controller
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maintainers:
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- Andrew Lunn <andrew@lunn.ch>
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- Gregory CLEMENT <gregory.clement@bootlin.com>
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allOf:
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- $ref: /schemas/spi/spi-controller.yaml#
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properties:
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compatible:
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oneOf:
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- enum:
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- marvell,orion-spi
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- marvell,armada-380-spi # For ap80x and cp11x
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- items:
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- enum:
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- marvell,armada-370-spi
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- marvell,armada-375-spi
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- marvell,armada-380-spi
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- marvell,armada-390-spi
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- marvell,armada-xp-spi
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- const: marvell,orion-spi
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cell-index:
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description: Instance id for the SPI controller
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deprecated: true
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reg:
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minItems: 1
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items:
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- description: control registers
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- description: CS0 MBUS target/attribute registers for direct mode
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- description: CS1 MBUS target/attribute registers for direct mode
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- description: CS2 MBUS target/attribute registers for direct mode
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- description: CS3 MBUS target/attribute registers for direct mode
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- description: CS4 MBUS target/attribute registers for direct mode
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- description: CS5 MBUS target/attribute registers for direct mode
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- description: CS6 MBUS target/attribute registers for direct mode
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- description: CS7 MBUS target/attribute registers for direct mode
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clocks:
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minItems: 1
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maxItems: 2
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clock-names:
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items:
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- const: core
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- const: axi
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interrupts:
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maxItems: 1
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required:
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- compatible
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- reg
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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spi@10600 {
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compatible = "marvell,orion-spi";
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#address-cells = <1>;
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#size-cells = <0>;
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cell-index = <0>;
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reg = <0x10600 0x28>;
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clocks = <&coreclk 0>;
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interrupts = <23>;
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};
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- |
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#define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16))
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bus {
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#address-cells = <2>;
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#size-cells = <1>;
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spi@10600 {
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compatible = "marvell,orion-spi";
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#address-cells = <1>;
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#size-cells = <0>;
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cell-index = <0>;
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reg = <MBUS_ID(0xf0, 0x01) 0x10600 0x28>, /* control */
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<MBUS_ID(0x01, 0x1e) 0 0xffffffff>, /* CS0 */
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<MBUS_ID(0x01, 0x5e) 0 0xffffffff>, /* CS1 */
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<MBUS_ID(0x01, 0x9e) 0 0xffffffff>, /* CS2 */
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<MBUS_ID(0x01, 0xde) 0 0xffffffff>, /* CS3 */
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<MBUS_ID(0x01, 0x1f) 0 0xffffffff>, /* CS4 */
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<MBUS_ID(0x01, 0x5f) 0 0xffffffff>, /* CS5 */
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<MBUS_ID(0x01, 0x9f) 0 0xffffffff>, /* CS6 */
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<MBUS_ID(0x01, 0xdf) 0 0xffffffff>; /* CS7 */
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clocks = <&coreclk 0>;
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interrupts = <23>;
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};
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};
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