1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/samsung,spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Samsung S3C/S5P/Exynos SoC SPI controller
maintainers:
- Krzysztof Kozlowski <krzk@kernel.org>
description:
All the SPI controller nodes should be represented in the aliases node using
the following format 'spi{n}' where n is a unique number for the alias.
properties:
compatible:
oneOf:
- enum:
- samsung,s3c2443-spi # for S3C2443, S3C2416 and S3C2450
- samsung,s3c6410-spi
- samsung,s5pv210-spi # for S5PV210 and S5PC110
- samsung,exynos4210-spi
- samsung,exynos5433-spi
- samsung,exynosautov9-spi
- tesla,fsd-spi
- const: samsung,exynos7-spi
deprecated: true
clocks:
minItems: 2
maxItems: 3
clock-names:
minItems: 2
maxItems: 3
dmas:
minItems: 2
maxItems: 2
dma-names:
items:
- const: tx
- const: rx
interrupts:
maxItems: 1
no-cs-readback:
description:
The CS line is disconnected, therefore the device should not operate
based on CS signalling.
type: boolean
num-cs:
minimum: 1
maximum: 4
default: 1
samsung,spi-src-clk:
description:
If the spi controller includes a internal clock mux to select the clock
source for the spi bus clock, this property can be used to indicate the
clock to be used for driving the spi bus clock. If not specified, the
clock number 0 is used as default.
$ref: /schemas/types.yaml#/definitions/uint32
default: 0
reg:
maxItems: 1
required:
- compatible
- clocks
- clock-names
- dmas
- dma-names
- interrupts
- reg
allOf:
- $ref: spi-controller.yaml#
- if:
properties:
compatible:
contains:
enum:
- samsung,exynos5433-spi
- samsung,exynosautov9-spi
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
items:
- const: spi
- enum:
- spi_busclk0
- spi_busclk1
- spi_busclk2
- spi_busclk3
- const: spi_ioclk
else:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
items:
- const: spi
- enum:
- spi_busclk0
- spi_busclk1
- spi_busclk2
- spi_busclk3
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/exynos5433.h>
#include <dt-bindings/clock/samsung,s2mps11.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>
spi@14d30000 {
compatible = "samsung,exynos5433-spi";
reg = <0x14d30000 0x100>;
interrupts = <GIC_SPI 433 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&pdma0 11>, <&pdma0 10>;
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
clocks = <&cmu_peric CLK_PCLK_SPI1>,
<&cmu_peric CLK_SCLK_SPI1>,
<&cmu_peric CLK_SCLK_IOCLK_SPI1>;
clock-names = "spi",
"spi_busclk0",
"spi_ioclk";
samsung,spi-src-clk = <0>;
pinctrl-names = "default";
pinctrl-0 = <&spi1_bus>;
num-cs = <1>;
cs-gpios = <&gpd6 3 GPIO_ACTIVE_HIGH>;
audio-codec@0 {
compatible = "wlf,wm5110";
reg = <0x0>;
spi-max-frequency = <20000000>;
interrupt-parent = <&gpa0>;
interrupts = <4 IRQ_TYPE_NONE>;
clocks = <&pmu_system_controller 0>,
<&s2mps13_osc S2MPS11_CLK_BT>;
clock-names = "mclk1", "mclk2";
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
wlf,micd-detect-debounce = <300>;
wlf,micd-bias-start-time = <0x1>;
wlf,micd-rate = <0x7>;
wlf,micd-dbtime = <0x2>;
wlf,micd-force-micbias;
wlf,micd-configs = <0x0 1 0>;
wlf,hpdet-channel = <1>;
wlf,gpsw = <0x1>;
wlf,inmode = <2 0 2 0>;
wlf,reset = <&gpc0 7 GPIO_ACTIVE_HIGH>;
wlf,ldoena = <&gpf0 0 GPIO_ACTIVE_HIGH>;
/* core supplies */
AVDD-supply = <&ldo18_reg>;
DBVDD1-supply = <&ldo18_reg>;
CPVDD-supply = <&ldo18_reg>;
DBVDD2-supply = <&ldo18_reg>;
DBVDD3-supply = <&ldo18_reg>;
SPKVDDL-supply = <&ldo18_reg>;
SPKVDDR-supply = <&ldo18_reg>;
controller-data {
samsung,spi-feedback-delay = <0>;
};
};
};
|
