linux/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
Biju Das 6f41d5e087 ARM: dts: iwg22d-sodimm: Sound DMA support via DVC on DTS
DMA transfer uses DVC

     DMA               DMApp
[MEM] -> [SRC] -> [DVC] -> [SSIU] -> [SSI]

     DMA               DMApp
[MEM] <- [DVC] <- [SRC] <- [SSIU] <- [SSI]

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-12-21 12:24:49 +01:00

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/*
* Device Tree Source for the iWave-RZG1E SODIMM carrier board
*
* Copyright (C) 2017 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-SGTL5000
*
* 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 "r8a7745-iwg22m.dtsi"
/ {
model = "iWave Systems RainboW-G22D-SODIMM board based on RZ/G1E";
compatible = "iwave,g22d", "iwave,g22m", "renesas,r8a7745";
aliases {
ethernet0 = &avb;
serial3 = &scif4;
serial5 = &hscif1;
};
chosen {
bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
stdout-path = "serial3:115200n8";
};
audio_clock: audio_clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <26000000>;
};
rsnd_sgtl5000: sound {
compatible = "simple-audio-card";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&sndcodec>;
simple-audio-card,frame-master = <&sndcodec>;
sndcpu: simple-audio-card,cpu {
sound-dai = <&rcar_sound>;
};
sndcodec: simple-audio-card,codec {
sound-dai = <&sgtl5000>;
};
};
vccq_sdhi0: regulator-vccq-sdhi0 {
compatible = "regulator-gpio";
regulator-name = "SDHI0 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
gpios-states = <1>;
states = <3300000 1
1800000 0>;
};
};
&avb {
pinctrl-0 = <&avb_pins>;
pinctrl-names = "default";
phy-handle = <&phy3>;
phy-mode = "gmii";
renesas,no-ether-link;
status = "okay";
phy3: ethernet-phy@3 {
/*
* On some older versions of the platform (before R4.0) the phy address
* may be 1 or 3. The address is fixed to 3 for R4.0 onwards.
*/
reg = <3>;
micrel,led-mode = <1>;
};
};
&can0 {
pinctrl-0 = <&can0_pins>;
pinctrl-names = "default";
status = "okay";
};
&hscif1 {
pinctrl-0 = <&hscif1_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
};
&hsusb {
status = "okay";
pinctrl-0 = <&usb0_pins>;
pinctrl-names = "default";
};
&i2c5 {
pinctrl-0 = <&i2c5_pins>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <400000>;
sgtl5000: codec@a {
compatible = "fsl,sgtl5000";
#sound-dai-cells = <0>;
reg = <0x0a>;
clocks = <&audio_clock>;
VDDA-supply = <&reg_3p3v>;
VDDIO-supply = <&reg_3p3v>;
};
};
&pci1 {
status = "okay";
pinctrl-0 = <&usb1_pins>;
pinctrl-names = "default";
};
&pfc {
avb_pins: avb {
groups = "avb_mdio", "avb_gmii";
function = "avb";
};
can0_pins: can0 {
groups = "can0_data";
function = "can0";
};
hscif1_pins: hscif1 {
groups = "hscif1_data", "hscif1_ctrl";
function = "hscif1";
};
i2c5_pins: i2c5 {
groups = "i2c5_b";
function = "i2c5";
};
scif4_pins: scif4 {
groups = "scif4_data_b";
function = "scif4";
};
sdhi0_pins: sd0 {
groups = "sdhi0_data4", "sdhi0_ctrl";
function = "sdhi0";
power-source = <3300>;
};
sound_pins: sound {
groups = "ssi34_ctrl", "ssi3_data", "ssi4_data";
function = "ssi";
};
usb0_pins: usb0 {
groups = "usb0";
function = "usb0";
};
usb1_pins: usb1 {
groups = "usb1";
function = "usb1";
};
};
&rcar_sound {
pinctrl-0 = <&sound_pins>;
pinctrl-names = "default";
status = "okay";
/* Single DAI */
#sound-dai-cells = <0>;
rcar_sound,dai {
dai0 {
playback = <&ssi3 &src3 &dvc0>;
capture = <&ssi4 &src4 &dvc1>;
};
};
};
&scif4 {
pinctrl-0 = <&scif4_pins>;
pinctrl-names = "default";
status = "okay";
};
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>;
pinctrl-names = "default";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vccq_sdhi0>;
cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
status = "okay";
};
&ssi4 {
shared-pin;
};
&usbphy {
status = "okay";
};