These adds R-Car Sound support for WhiteHawk board using ARD-AUDIO-DA7212 external audio board. It is using DT overlay. Signed-off-by: Linh Phung <linh.phung.jy@xxxxxxxxxxx> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- arch/arm64/boot/dts/renesas/Makefile | 1 + .../r8a779g0-white-hawk-ard-audio-da7212.dtso | 187 ++++++++++++++++++ 2 files changed, 188 insertions(+) create mode 100644 arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-ard-audio-da7212.dtso diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile index 0699b51c1247..22c1d20224ef 100644 --- a/arch/arm64/boot/dts/renesas/Makefile +++ b/arch/arm64/boot/dts/renesas/Makefile @@ -67,6 +67,7 @@ dtb-$(CONFIG_ARCH_R8A779A0) += r8a779a0-falcon.dtb dtb-$(CONFIG_ARCH_R8A779F0) += r8a779f0-spider.dtb dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g0-white-hawk.dtb +dtb-$(CONFIG_ARCH_R8A779G0) += r8a779g0-white-hawk-ard-audio-da7212.dtbo dtb-$(CONFIG_ARCH_R8A77951) += r8a779m1-salvator-xs.dtb dtb-$(CONFIG_ARCH_R8A77951) += r8a779m1-ulcb.dtb diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-ard-audio-da7212.dtso b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-ard-audio-da7212.dtso new file mode 100644 index 000000000000..9135d8e4ec0e --- /dev/null +++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-ard-audio-da7212.dtso @@ -0,0 +1,187 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for the White Hawk boards with ARD-AUDIO-DA7212 Board + * + * You can find and buy "ARD-AUDIO-DA7212" at Digi-Key + * + * https://www.digikey.jp/en/products/detail/ARD-AUDIO-DA7212/1564-1021-ND/5456357 + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + * + * [Connection] + * + * White Hawk ARD-AUDIO-DA7212 + * +----------------------------+ + * |CPU board | + * | | + * |CN40 (IO PIN HEADER) | + * | AUDIO_CLKIN_V pin1 |<--\ +---------------+ + * |(*) GP1_25/SL_SW2_V pin2 |<--/ |J2 | + * | AUDIO_CLKOUT_V pin5 |<----->| pin7 MCLK | + * | SSI_SCK_V pin9 |<----->| pin1 BCLK | + * | SSI_WS_V pin13 |<----->| pin3 WCLK | + * | SSI_SD_V pin15 |<----->| pin5 DATIN | (@) + * | | \-->| pin15 DATOUT | [CAPTURE] + * +----------------------------+ +---------------+ + * +----------------------------+ + * |Breakout board | + * | | +---------------+ + * |CN34 (I2C CN) | |J1 | + * | I2C0_SCL pin3 |<----->| pin20 SCL | + * | I2C0_SDA pin5 |<----->| pin18 SDA | + * | | +---------------+ + * | | +-----------------------+ + * |CN4 (Power) | |J7 | + * | 3v3 (v) pin9 |<----->| pin4 / pin8 3.3v | + * | GND (v) pin3 / pin4 |<----->| pin12 / pin14 GND | + * +----------------------------+ +-----------------------+ + * (*) GP1_25/SL_SW2_V is used as TPU + * (@) Connect to pin5 (DATIN = playback) or pin15 (DATOUT = capture) + * (v) These are just sample pins. You can find many 3v3 / GND pins on + * White Hawk board, not only CN4. You can use other pins for it. + * + * [How to enable] + * + * You need these configs + * + * CONFIG_PWM + * CONFIG_PWM_RENESAS_TPU + * CONFIG_COMMON_CLK_PWM + * CONFIG_SND_SOC_DA7213 + * + * [How to use] + * + * 44.1kHz groups sound is available in default. + * You need update audio_clkin settings to switch to 48kHz groups sound if you want + * see + * [(C) clock] + * + * You can use capture if you change the settings + * see + * [CAPTURE] + * + * You need to setup Headphone + * + * > amixer set "Headphone" 40% + * > amixer set "Headphone" on + * > amixer set "Mixout Left DAC Left" on + * > amixer set "Mixout Right DAC Right" on + */ + +/dts-v1/; +/plugin/; +#include <dt-bindings/clock/r8a779g0-cpg-mssr.h> + +&{/} { + sound_card: sound { + compatible = "audio-graph-card"; + label = "rcar-sound"; + + dais = <&rsnd_port0>; /* DA7212 Audio Codec */ + }; + + tpu_clk: tpu_clk { + compatible = "pwm-clock"; + #clock-cells = <0>; + + /* 44.1kHz groups [(C) clock] */ + clock-frequency = <11289600>; + pwms = <&tpu 0 88 0>; /* 1000000000 / 88 =~ 11289600 */ + + /* 48 kHz groups [(C) clock] */ +// clock-frequency = <12288000>; +// pwms = <&tpu 0 81 0>; /* 1000000000 / 81 =~ 12288000 */ + }; + +}; + +&pfc { + sound_pins: sound { + groups = "ssi_ctrl", "ssi_data"; + function = "ssi"; + }; + + sound_clk_pins: sound_clk { + groups = "audio_clkin", "audio_clkout"; + function = "audio_clk"; + }; + + tpu0_pins: tpu0 { + groups = "tpu_to0_a"; + function = "tpu"; + }; +}; + +&tpu { + pinctrl-0 = <&tpu0_pins>; + pinctrl-names = "default"; + + status = "okay"; +}; + +&i2c0 { + #address-cells = <1>; + #size-cells = <0>; + + codec@1a { + compatible = "dlg,da7212"; + + #sound-dai-cells = <0>; + reg = <0x1a>; + + clocks = <&rcar_sound>; + clock-names = "mclk"; + + dlg,micbias1-lvl = <2500>; + dlg,micbias2-lvl = <2500>; + dlg,dmic-data-sel = "lrise_rfall"; + dlg,dmic-samplephase = "between_clkedge"; + dlg,dmic-clkrate = <3000000>; + + VDDA-supply = <®_1p8v>; + VDDMIC-supply = <®_3p3v>; + VDDIO-supply = <®_3p3v>; + + port { + da7212_endpoint: endpoint { + remote-endpoint = <&rsnd_endpoint>; + }; + }; + }; +}; + +&rcar_sound { + pinctrl-0 = <&sound_clk_pins>, <&sound_pins>; + pinctrl-names = "default"; + + /* Single DAI */ + #sound-dai-cells = <0>; + + /* audio_clkout */ + #clock-cells = <0>; + clock-frequency = <5644800>; /* 44.1kHz groups [(C) clock] */ +// clock-frequency = <6144000>; /* 48 kHz groups [(C) clock] */ + + status = "okay"; + + /* update <clkin> to <tpu_clk> */ + clocks = <&cpg CPG_MOD 2926>, <&cpg CPG_MOD 2927>, <&tpu_clk>; + + ports { + rsnd_port0: port { + rsnd_endpoint: endpoint { + remote-endpoint = <&da7212_endpoint>; + + dai-format = "i2s"; + bitclock-master = <&rsnd_endpoint>; + frame-master = <&rsnd_endpoint>; + + /* Please use exclusively to the 'capture' */ + playback = <&ssi0>; + /* [CAPTURE] */ + /* capture = <&ssi0>; */ + }; + }; + }; +}; -- 2.25.1
