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arm64: renesas: salvator-x: Sound SSI PIO support

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This patch adds PIO sound support for Salvator-X board.
It can use 44.1kHz base sound only at this point, since 48kHz base
sound needs CS2000, but it is not yet upstreamed.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2015-11-25 06:37:49 +00:00 committed by Simon Horman
parent b9dd9450ce
commit 994aadf019
1 changed files with 76 additions and 0 deletions
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76
arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts
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@ -31,6 +31,28 @@
/* 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 {
@ -56,6 +78,17 @@
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 {
@ -77,6 +110,49 @@
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>;
capture = <&ssi1>;
};
};
};
&ssi0 {
pio-transfer;
};
&ssi1 {
pio-transfer;
shared-pin;
};
&audio_clk_a {
clock-frequency = <22579200>;
};
&avb {