Commit 1693a2fa authored by Ajay Singh's avatar Ajay Singh Committed by Greg Kroah-Hartman

staging: wilc1000: updated DT binding documentation

Merged the DT binding documentation of SDIO and SPI into a single file.
Removed documentation for some of the properties which are not required
and handled review comments received in [1] & [2].

[1]. https://lore.kernel.org/linux-wireless/20200303020230.GA15543@bogus
[2]. https://lore.kernel.org/linux-wireless/20200303015558.GA6876@bogusSigned-off-by: default avatarAjay Singh <ajay.kathat@microchip.com>
Link: https://lore.kernel.org/r/20200307085523.7320-4-ajay.kathat@microchip.comSigned-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9aa4e8de
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/wireless/microchip,wilc1000,spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip WILC wireless SPI devicetree bindings
maintainers:
- Adham Abozaeid <adham.abozaeid@microchip.com>
- Ajay Singh <ajay.kathat@microchip.com>
description:
The wilc1000 chips can be connected via SPI. This document describes
the binding for the SPI connected module.
properties:
compatible:
const: microchip,wilc1000-spi
spi-max-frequency:
description: Maximum SPI clocking speed of device in Hz.
maxItems: 1
reg:
description: Chip select address of device.
maxItems: 1
irq-gpios:
description: The GPIO phandle connect to a host IRQ.
maxItems: 1
clocks:
description: phandle to the clock connected on rtc clock line.
maxItems: 1
required:
- compatible
- spi-max-frequency
- reg
- irq-gpios
examples:
- |
spi1: spi@fc018000 {
#address-cells = <1>;
#size-cells = <0>;
cs-gpios = <&pioB 21 0>;
status = "okay";
wilc_spi@0 {
compatible = "microchip,wilc1000-spi";
spi-max-frequency = <48000000>;
reg = <0>;
irq-gpios = <&pioC 27 0>;
clocks = <&pck1>;
clock-names = "rtc_clk";
assigned-clocks = <&pck1>;
assigned-clock-rates = <32768>;
status = "okay";
};
};
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/wireless/microchip,wilc1000,sdio.yaml#
$id: http://devicetree.org/schemas/net/wireless/microchip,wilc1000.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip WILC wireless SDIO devicetree bindings
title: Microchip WILC wireless devicetree bindings
maintainers:
- Adham Abozaeid <adham.abozaeid@microchip.com>
- Ajay Singh <ajay.kathat@microchip.com>
description:
The wilc1000 chips can be connected via SDIO. The node is used to
specify child node to the SDIO controller that connects the device
to the system.
The wilc1000 chips can be connected via SPI or SDIO. This document
describes the binding to connect wilc devices.
properties:
compatible:
const: microchip,wilc1000-sdio
const: microchip,wilc1000
irq-gpios:
description: The GPIO phandle connect to a host IRQ.
maxItems: 1
spi-max-frequency: true
reg:
description: Slot ID used in the controller.
interrupts:
maxItems: 1
clocks:
description: phandle to the clock connected on rtc clock line.
maxItems: 1
bus-width:
description: The number of data lines wired up the slot.
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [1, 4, 8]
- default: 1
clock-names:
const: rtc
required:
- compatible
- irq-gpios
- reg
- interrupts
examples:
- |
spi1: spi@fc018000 {
#address-cells = <1>;
#size-cells = <0>;
cs-gpios = <&pioB 21 0>;
wifi@0 {
compatible = "microchip,wilc1000";
spi-max-frequency = <48000000>;
reg = <0>;
interrupt-parent = <&pioC>;
interrupts = <27 0>;
clocks = <&pck1>;
clock-names = "rtc";
};
};
- |
mmc1: mmc@fc000000 {
#address-cells = <1>;
......@@ -53,16 +60,13 @@ examples:
non-removable;
vmmc-supply = <&vcc_mmc1_reg>;
vqmmc-supply = <&vcc_3v3_reg>;
status = "okay";
wilc_sdio@0 {
compatible = "microchip,wilc1000-sdio";
irq-gpios = <&pioC 27 0>;
bus-width = <4>;
wifi@0 {
compatible = "microchip,wilc1000";
reg = <0>;
interrupt-parent = <&pioC>;
interrupts = <27 0>;
clocks = <&pck1>;
clock-names = "rtc_clk";
assigned-clocks = <&pck1>;
assigned-clock-rates = <32768>;
status = "okay";
bus-width = <4>;
clock-names = "rtc";
};
};
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