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spi: Add Sunplus SP7021 schema

Add bindings for Sunplus SP7021 spi driver

Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Li-hao Kuo 2022-01-25 12:14:29 +00:00 committed by Mark Brown
parent f62ca4e2a8
commit a708078eeb
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2 changed files with 82 additions and 0 deletions
Documentation/devicetree/bindings/spi
MAINTAINERS

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@ -0,0 +1,81 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright (C) Sunplus Co., Ltd. 2021
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Sunplus sp7021 SPI controller
allOf:
- $ref: "spi-controller.yaml"
maintainers:
- Li-hao Kuo <lhjeff911@gmail.com>
properties:
compatible:
enum:
- sunplus,sp7021-spi
reg:
items:
- the SPI master registers
- the SPI slave registers
reg-names:
items:
- const: master
- const: slave
interrupt-names:
items:
- const: dma_w
- const: master_risc
- const: slave_risc
interrupts:
minItems: 3
clocks:
maxItems: 1
resets:
maxItems: 1
required:
- compatible
- reg
- reg-names
- interrupts
- interrupt-names
- clocks
- clocks-names
- resets
- pinctrl-names
- pinctrl-0
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/sp-sp7021.h>
#include <dt-bindings/reset/sp-sp7021.h>
#include <dt-bindings/interrupt-controller/irq.h>
spi@9C002D80 {
compatible = "sunplus,sp7021-spi";
reg = <0x9C002D80 0x80>, <0x9C002E00 0x80>;
reg-names = "master", "slave";
interrupt-parent = <&intc>;
interrupt-names = "dma_w",
"master_risc",
"slave_risc";
interrupts = <144 IRQ_TYPE_LEVEL_HIGH>,
<146 IRQ_TYPE_LEVEL_HIGH>,
<145 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clkc SPI_COMBO_0>;
resets = <&rstc RST_SPI_COMBO_0>;
pinctrl-names = "default";
pinctrl-0 = <&pins_spi0>;
};
...

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@ -18495,6 +18495,7 @@ SUNPLUS SPI CONTROLLER INTERFACE DRIVER
M: Li-hao Kuo <lhjeff911@gmail.com>
L: linux-spi@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml
F: drivers/spi/spi-sunplus-sp7021.c
SUPERH