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98 lines
1.9 KiB
98 lines
1.9 KiB
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
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# Copyright 2019 BayLibre, SAS |
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%YAML 1.2 |
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--- |
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$id: "http://devicetree.org/schemas/spi/amlogic,meson-gx-spicc.yaml#" |
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$schema: "http://devicetree.org/meta-schemas/core.yaml#" |
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title: Amlogic Meson SPI Communication Controller |
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maintainers: |
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- Neil Armstrong <[email protected]> |
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allOf: |
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- $ref: "spi-controller.yaml#" |
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description: | |
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The Meson SPICC is a generic SPI controller for general purpose Full-Duplex |
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communications with dedicated 16 words RX/TX PIO FIFOs. |
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properties: |
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compatible: |
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enum: |
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- amlogic,meson-gx-spicc # SPICC controller on Amlogic GX and compatible SoCs |
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- amlogic,meson-axg-spicc # SPICC controller on Amlogic AXG and compatible SoCs |
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- amlogic,meson-g12a-spicc # SPICC controller on Amlogic G12A and compatible SoCs |
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interrupts: |
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maxItems: 1 |
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reg: |
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maxItems: 1 |
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resets: |
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maxItems: 1 |
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clocks: |
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minItems: 1 |
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items: |
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- description: controller register bus clock |
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- description: baud rate generator and delay control clock |
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clock-names: |
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minItems: 1 |
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maxItems: 2 |
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if: |
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properties: |
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compatible: |
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contains: |
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enum: |
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- amlogic,meson-g12a-spicc |
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then: |
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properties: |
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clocks: |
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minItems: 2 |
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clock-names: |
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items: |
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- const: core |
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- const: pclk |
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else: |
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properties: |
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clocks: |
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maxItems: 1 |
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clock-names: |
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items: |
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- const: core |
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required: |
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- compatible |
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- reg |
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- interrupts |
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- clocks |
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- clock-names |
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unevaluatedProperties: false |
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examples: |
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- | |
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spi@c1108d80 { |
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compatible = "amlogic,meson-gx-spicc"; |
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reg = <0xc1108d80 0x80>; |
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interrupts = <112>; |
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clocks = <&clk81>; |
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clock-names = "core"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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display@0 { |
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compatible = "lg,lg4573"; |
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spi-max-frequency = <1000000>; |
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reg = <0>; |
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}; |
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}; |
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