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/*
* Device Tree Source for the Salvator-X board
*
* Copyright (C) 2015 Renesas Electronics Corp.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
/*
* SSI-AK4613
*
* This command is required when Playback/Capture
*
* amixer set "DVC Out" 100%
* amixer set "DVC In" 100%
*
* You can use Mute
*
* amixer set "DVC Out Mute" on
* amixer set "DVC In Mute" on
*
* You can use Volume Ramp
*
* amixer set "DVC Out Ramp Up Rate" "0.125 dB/64 steps"
* amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
* amixer set "DVC Out Ramp" on
* aplay xxx.wav &
* amixer set "DVC Out" 80% // Volume Down
* amixer set "DVC Out" 100% // Volume Up
*/
/dts-v1/;
#include "r8a7795.dtsi"
/ {
model = "Renesas Salvator-X board based on r8a7795";
compatible = "renesas,salvator-x", "renesas,r8a7795";
aliases {
serial0 = &scif2;
serial1 = &scif1;
ethernet0 = &avb;
};
chosen {
bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
stdout-path = "serial0:115200n8";
};
memory@48000000 {
device_type = "memory";
/* first 128MB is reserved for secure area. */
reg = <0x0 0x48000000 0x0 0x38000000>;
};
x12_clk: x12_clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24576000>;
};
rsnd_ak4613: sound {
compatible = "simple-audio-card";
simple-audio-card,format = "left_j";
simple-audio-card,bitclock-master = <&sndcpu>;
simple-audio-card,frame-master = <&sndcpu>;
sndcpu: simple-audio-card,cpu {
sound-dai = <&rcar_sound>;
};
sndcodec: simple-audio-card,codec {
sound-dai = <&ak4613>;
};
};
};
&extal_clk {
clock-frequency = <16666666>;
};
&pfc {
scif1_pins: scif1 {
renesas,groups = "scif1_data_a", "scif1_ctrl";
renesas,function = "scif1";
};
scif2_pins: scif2 {
renesas,groups = "scif2_data_a";
renesas,function = "scif2";
};
i2c2_pins: i2c2 {
renesas,groups = "i2c2_a";
renesas,function = "i2c2";
};
avb_pins: avb {
renesas,groups = "avb_mdc";
renesas,function = "avb";
};
sound_pins: sound {
renesas,groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
renesas,function = "ssi";
};
sound_clk_pins: sound_clk {
renesas,groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
"audio_clkout_a", "audio_clkout3_a";
renesas,function = "audio_clk";
};
};
&scif1 {
pinctrl-0 = <&scif1_pins>;
pinctrl-names = "default";
status = "okay";
};
&scif2 {
pinctrl-0 = <&scif2_pins>;
pinctrl-names = "default";
status = "okay";
};
&i2c2 {
pinctrl-0 = <&i2c2_pins>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <100000>;
ak4613: codec@10 {
compatible = "asahi-kasei,ak4613";
#sound-dai-cells = <0>;
reg = <0x10>;
clocks = <&rcar_sound 3>;
};
};
&rcar_sound {
pinctrl-0 = <&sound_pins &sound_clk_pins>;
pinctrl-names = "default";
/* Single DAI */
#sound-dai-cells = <0>;
/* audio_clkout0/1/2/3 */
#clock-cells = <1>;
clock-frequency = <11289600>;
status = "okay";
rcar_sound,dai {
dai0 {
playback = <&ssi0 &src0 &dvc0>;
capture = <&ssi1 &src1 &dvc1>;
};
};
};
&ssi1 {
shared-pin;
};
&audio_clk_a {
clock-frequency = <22579200>;
};
&avb {
pinctrl-0 = <&avb_pins>;
pinctrl-names = "default";
renesas,no-ether-link;
phy-handle = <&phy0>;
status = "okay";
phy0: ethernet-phy@0 {
rxc-skew-ps = <900>;
rxdv-skew-ps = <0>;
rxd0-skew-ps = <0>;
rxd1-skew-ps = <0>;
rxd2-skew-ps = <0>;
rxd3-skew-ps = <0>;
txc-skew-ps = <900>;
txen-skew-ps = <0>;
txd0-skew-ps = <0>;
txd1-skew-ps = <0>;
txd2-skew-ps = <0>;
txd3-skew-ps = <0>;
reg = <0>;
interrupt-parent = <&gpio2>;
interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
};
};
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