beeacfaf18d04b5b5bd61d12904bee3d8c72c68d
[cascardo/linux.git] / arch / arm64 / boot / dts / renesas / r8a7795-salvator-x.dts
1 /*
2  * Device Tree Source for the Salvator-X board
3  *
4  * Copyright (C) 2015 Renesas Electronics Corp.
5  *
6  * This file is licensed under the terms of the GNU General Public License
7  * version 2.  This program is licensed "as is" without any warranty of any
8  * kind, whether express or implied.
9  */
10
11 /*
12  * SSI-AK4613
13  *
14  * This command is required when Playback/Capture
15  *
16  *      amixer set "DVC Out" 100%
17  *      amixer set "DVC In" 100%
18  *
19  * You can use Mute
20  *
21  *      amixer set "DVC Out Mute" on
22  *      amixer set "DVC In Mute" on
23  *
24  * You can use Volume Ramp
25  *
26  *      amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
27  *      amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
28  *      amixer set "DVC Out Ramp" on
29  *      aplay xxx.wav &
30  *      amixer set "DVC Out"  80%  // Volume Down
31  *      amixer set "DVC Out" 100%  // Volume Up
32  */
33
34 /dts-v1/;
35 #include "r8a7795.dtsi"
36
37 / {
38         model = "Renesas Salvator-X board based on r8a7795";
39         compatible = "renesas,salvator-x", "renesas,r8a7795";
40
41         aliases {
42                 serial0 = &scif2;
43                 serial1 = &scif1;
44                 ethernet0 = &avb;
45         };
46
47         chosen {
48                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
49                 stdout-path = "serial0:115200n8";
50         };
51
52         memory@48000000 {
53                 device_type = "memory";
54                 /* first 128MB is reserved for secure area. */
55                 reg = <0x0 0x48000000 0x0 0x38000000>;
56         };
57
58         x12_clk: x12_clk {
59                 compatible = "fixed-clock";
60                 #clock-cells = <0>;
61                 clock-frequency = <24576000>;
62         };
63
64         rsnd_ak4613: sound {
65                 compatible = "simple-audio-card";
66
67                 simple-audio-card,format = "left_j";
68                 simple-audio-card,bitclock-master = <&sndcpu>;
69                 simple-audio-card,frame-master = <&sndcpu>;
70
71                 sndcpu: simple-audio-card,cpu {
72                         sound-dai = <&rcar_sound>;
73                 };
74
75                 sndcodec: simple-audio-card,codec {
76                         sound-dai = <&ak4613>;
77                 };
78         };
79 };
80
81 &extal_clk {
82         clock-frequency = <16666666>;
83 };
84
85 &pfc {
86         scif1_pins: scif1 {
87                 renesas,groups = "scif1_data_a", "scif1_ctrl";
88                 renesas,function = "scif1";
89         };
90         scif2_pins: scif2 {
91                 renesas,groups = "scif2_data_a";
92                 renesas,function = "scif2";
93         };
94
95         i2c2_pins: i2c2 {
96                 renesas,groups = "i2c2_a";
97                 renesas,function = "i2c2";
98         };
99
100         avb_pins: avb {
101                 renesas,groups = "avb_mdc";
102                 renesas,function = "avb";
103         };
104
105         sound_pins: sound {
106                 renesas,groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
107                 renesas,function = "ssi";
108         };
109
110         sound_clk_pins: sound_clk {
111                 renesas,groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
112                                  "audio_clkout_a", "audio_clkout3_a";
113                 renesas,function = "audio_clk";
114         };
115 };
116
117 &scif1 {
118         pinctrl-0 = <&scif1_pins>;
119         pinctrl-names = "default";
120
121         status = "okay";
122 };
123
124 &scif2 {
125         pinctrl-0 = <&scif2_pins>;
126         pinctrl-names = "default";
127
128         status = "okay";
129 };
130
131 &i2c2 {
132         pinctrl-0 = <&i2c2_pins>;
133         pinctrl-names = "default";
134
135         status = "okay";
136
137         clock-frequency = <100000>;
138
139         ak4613: codec@10 {
140                 compatible = "asahi-kasei,ak4613";
141                 #sound-dai-cells = <0>;
142                 reg = <0x10>;
143                 clocks = <&rcar_sound 3>;
144
145                 asahi-kasei,in1-single-end;
146                 asahi-kasei,in2-single-end;
147                 asahi-kasei,out1-single-end;
148                 asahi-kasei,out2-single-end;
149                 asahi-kasei,out3-single-end;
150                 asahi-kasei,out4-single-end;
151                 asahi-kasei,out5-single-end;
152                 asahi-kasei,out6-single-end;
153         };
154 };
155
156 &rcar_sound {
157         pinctrl-0 = <&sound_pins &sound_clk_pins>;
158         pinctrl-names = "default";
159
160         /* Single DAI */
161         #sound-dai-cells = <0>;
162
163         /* audio_clkout0/1/2/3 */
164         #clock-cells = <1>;
165         clock-frequency = <11289600>;
166
167         status = "okay";
168
169         rcar_sound,dai {
170                 dai0 {
171                         playback = <&ssi0 &src0 &dvc0>;
172                         capture  = <&ssi1 &src1 &dvc1>;
173                 };
174         };
175 };
176
177 &ssi1 {
178         shared-pin;
179 };
180
181 &audio_clk_a {
182         clock-frequency = <22579200>;
183 };
184
185 &avb {
186         pinctrl-0 = <&avb_pins>;
187         pinctrl-names = "default";
188         renesas,no-ether-link;
189         phy-handle = <&phy0>;
190         status = "okay";
191
192         phy0: ethernet-phy@0 {
193                 rxc-skew-ps = <900>;
194                 rxdv-skew-ps = <0>;
195                 rxd0-skew-ps = <0>;
196                 rxd1-skew-ps = <0>;
197                 rxd2-skew-ps = <0>;
198                 rxd3-skew-ps = <0>;
199                 txc-skew-ps = <900>;
200                 txen-skew-ps = <0>;
201                 txd0-skew-ps = <0>;
202                 txd1-skew-ps = <0>;
203                 txd2-skew-ps = <0>;
204                 txd3-skew-ps = <0>;
205                 reg = <0>;
206                 interrupt-parent = <&gpio2>;
207                 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
208         };
209 };