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1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* | |
3 | * Device Tree Source for the White Hawk board with ARD-AUDIO-DA7212 Board | |
4 | * | |
5 | * You can find and buy "ARD-AUDIO-DA7212" at Digi-Key | |
6 | * | |
7 | * https://www.digikey.jp/en/products/detail/ARD-AUDIO-DA7212/1564-1021-ND/5456357 | |
8 | * | |
9 | * Copyright (C) 2022 Renesas Electronics Corp. | |
10 | * | |
11 | * | |
12 | * [Connection] | |
13 | * | |
14 | * White Hawk ARD-AUDIO-DA7212 | |
15 | * +----------------------------+ | |
16 | * |CPU board | | |
17 | * | | | |
18 | * |CN40 (IO PIN HEADER) | | |
19 | * | AUDIO_CLKIN_V pin1 |<--\ +---------------+ | |
20 | * |(*) GP1_25/SL_SW2_V pin2 |<--/ |J2 | | |
21 | * | AUDIO_CLKOUT_V pin5 |<----->| pin7 MCLK | | |
22 | * | SSI_SCK_V pin9 |<----->| pin1 BCLK | | |
23 | * | SSI_WS_V pin13 |<----->| pin3 WCLK | | |
24 | * | SSI_SD_V pin15 |<----->| pin5 DATIN | (@) | |
25 | * | | \-->| pin15 DATOUT | [CAPTURE] | |
26 | * +----------------------------+ +---------------+ | |
27 | * +----------------------------+ | |
28 | * |Breakout board | | |
29 | * | | +---------------+ | |
30 | * |CN34 (I2C CN) | |J1 | | |
31 | * | I2C0_SCL pin3 |<----->| pin20 SCL | | |
32 | * | I2C0_SDA pin5 |<----->| pin18 SDA | | |
33 | * | | +---------------+ | |
34 | * | | +-----------------------+ | |
35 | * |CN4 (Power) | |J7 | | |
36 | * | 3v3 (v) pin9 |<----->| pin4 / pin8 3.3v | | |
37 | * | GND (v) pin3 / pin4 |<----->| pin12 / pin14 GND | | |
38 | * +----------------------------+ +-----------------------+ | |
39 | * (*) GP1_25/SL_SW2_V is used as TPU | |
40 | * (@) Connect to pin5 (DATIN = playback) or pin15 (DATOUT = capture) | |
41 | * (v) These are just sample pins. You can find many 3v3 / GND pins on | |
42 | * White Hawk board, not only CN4. You can use other pins for it. | |
43 | * | |
44 | * [How to enable] | |
45 | * | |
46 | * You need these configs | |
47 | * | |
48 | * CONFIG_PWM | |
49 | * CONFIG_PWM_RENESAS_TPU | |
50 | * CONFIG_COMMON_CLK_PWM | |
51 | * CONFIG_SND_SOC_DA7213 | |
52 | * | |
53 | * [How to use] | |
54 | * | |
55 | * 44.1kHz groups sound is available by default. | |
56 | * You need to update audio_clkin settings to switch to 48kHz groups sound. | |
57 | * see | |
58 | * [(C) clock] | |
59 | * | |
60 | * You can use capture if you change the settings | |
61 | * see | |
62 | * [CAPTURE] | |
63 | * | |
64 | * You need to setup Headphone | |
65 | * | |
66 | * > amixer set "Headphone" 40% | |
67 | * > amixer set "Headphone" on | |
68 | * > amixer set "Mixout Left DAC Left" on | |
69 | * > amixer set "Mixout Right DAC Right" on | |
70 | */ | |
71 | ||
72 | /dts-v1/; | |
73 | /plugin/; | |
74 | #include <dt-bindings/clock/r8a779g0-cpg-mssr.h> | |
75 | ||
76 | &{/} { | |
77 | sound_card: sound { | |
78 | compatible = "audio-graph-card"; | |
79 | label = "rcar-sound"; | |
80 | ||
81 | dais = <&rsnd_port>; /* DA7212 Audio Codec */ | |
82 | }; | |
83 | ||
84 | tpu_clk: tpu-clk { | |
85 | compatible = "pwm-clock"; | |
86 | #clock-cells = <0>; | |
87 | ||
88 | /* 44.1kHz groups [(C) clock] */ | |
89 | clock-frequency = <11289600>; | |
90 | pwms = <&tpu 0 88 0>; /* 1000000000 / 88 =~ 11289600 */ | |
91 | ||
92 | /* 48 kHz groups [(C) clock] */ | |
93 | // clock-frequency = <12288000>; | |
94 | // pwms = <&tpu 0 81 0>; /* 1000000000 / 81 =~ 12288000 */ | |
95 | }; | |
96 | ||
97 | }; | |
98 | ||
99 | &pfc { | |
100 | sound_pins: sound { | |
101 | groups = "ssi_ctrl", "ssi_data"; | |
102 | function = "ssi"; | |
103 | }; | |
104 | ||
105 | sound_clk_pins: sound-clk { | |
106 | groups = "audio_clkin", "audio_clkout"; | |
107 | function = "audio_clk"; | |
108 | }; | |
109 | ||
110 | tpu0_pins: tpu0 { | |
111 | groups = "tpu_to0_a"; | |
112 | function = "tpu"; | |
113 | }; | |
114 | }; | |
115 | ||
116 | &tpu { | |
117 | pinctrl-0 = <&tpu0_pins>; | |
118 | pinctrl-names = "default"; | |
119 | ||
120 | status = "okay"; | |
121 | }; | |
122 | ||
123 | &i2c0 { | |
124 | #address-cells = <1>; | |
125 | #size-cells = <0>; | |
126 | ||
127 | codec@1a { | |
128 | compatible = "dlg,da7212"; | |
129 | ||
130 | #sound-dai-cells = <0>; | |
131 | reg = <0x1a>; | |
132 | ||
133 | clocks = <&rcar_sound>; | |
134 | clock-names = "mclk"; | |
135 | ||
136 | dlg,micbias1-lvl = <2500>; | |
137 | dlg,micbias2-lvl = <2500>; | |
138 | dlg,dmic-data-sel = "lrise_rfall"; | |
139 | dlg,dmic-samplephase = "between_clkedge"; | |
140 | dlg,dmic-clkrate = <3000000>; | |
141 | ||
142 | VDDA-supply = <®_1p8v>; | |
143 | VDDMIC-supply = <®_3p3v>; | |
144 | VDDIO-supply = <®_3p3v>; | |
145 | ||
146 | port { | |
147 | da7212_endpoint: endpoint { | |
148 | remote-endpoint = <&rsnd_endpoint>; | |
149 | }; | |
150 | }; | |
151 | }; | |
152 | }; | |
153 | ||
154 | &rcar_sound { | |
155 | pinctrl-0 = <&sound_clk_pins>, <&sound_pins>; | |
156 | pinctrl-names = "default"; | |
157 | ||
158 | /* Single DAI */ | |
159 | #sound-dai-cells = <0>; | |
160 | ||
161 | /* audio_clkout */ | |
162 | #clock-cells = <0>; | |
163 | clock-frequency = <5644800>; /* 44.1kHz groups [(C) clock] */ | |
164 | // clock-frequency = <6144000>; /* 48 kHz groups [(C) clock] */ | |
165 | ||
166 | status = "okay"; | |
167 | ||
168 | /* Update <clkin> to <tpu_clk> */ | |
169 | clocks = <&cpg CPG_MOD 2926>, <&cpg CPG_MOD 2927>, <&tpu_clk>; | |
170 | ||
171 | ports { | |
172 | rsnd_port: port { | |
173 | rsnd_endpoint: endpoint { | |
174 | remote-endpoint = <&da7212_endpoint>; | |
175 | ||
176 | dai-format = "i2s"; | |
177 | bitclock-master = <&rsnd_endpoint>; | |
178 | frame-master = <&rsnd_endpoint>; | |
179 | ||
180 | /* Mutually exclusive with 'capture' */ | |
181 | playback = <&ssi0>; | |
182 | /* [CAPTURE] */ | |
183 | /* capture = <&ssi0>; */ | |
184 | }; | |
185 | }; | |
186 | }; | |
187 | }; |