Geert Uytterhoeven 0454357faa
dt-bindings: lpspi: Add missing boolean type for fsl,spi-only-use-cs1-sel
When running "make dt_binding_check" (even if restricted to an unrelated
binding document using DT_SCHEMA_FILES=...):

    Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml: ignoring, error in schema: properties: fsl,spi-only-use-cs1-sel
    warning: no schema found in file: Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml

Fix this by adding a proper type definition for the vendor-specific
fsl,spi-only-use-cs1-sel property.

Fixes: 7ac9bbf6ab3085c2 ("dt-bindings: lpspi: New property in document DT bindings for LPSPI")
Suggested-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200807121057.14204-1-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-08-10 19:55:34 +01:00

69 lines
1.5 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/spi-fsl-lpspi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Freescale Low Power SPI (LPSPI) for i.MX
maintainers:
- Anson Huang <Anson.Huang@nxp.com>
allOf:
- $ref: "/schemas/spi/spi-controller.yaml#"
properties:
compatible:
enum:
- fsl,imx7ulp-spi
- fsl,imx8qxp-spi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
items:
- description: SoC SPI per clock
- description: SoC SPI ipg clock
clock-names:
items:
- const: per
- const: ipg
fsl,spi-only-use-cs1-sel:
description:
spi common code does not support use of CS signals discontinuously.
i.MX8DXL-EVK board only uses CS1 without using CS0. Therefore, add
this property to re-config the chipselect value in the LPSPI driver.
type: boolean
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/imx7ulp-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
spi@40290000 {
compatible = "fsl,imx7ulp-spi";
reg = <0x40290000 0x10000>;
interrupt-parent = <&intc>;
interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX7ULP_CLK_LPSPI2>,
<&clks IMX7ULP_CLK_DUMMY>;
clock-names = "per", "ipg";
spi-slave;
fsl,spi-only-use-cs1-sel;
};