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Date:   Thu, 21 Jul 2022 15:42:26 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     matthias.bgg@...il.com
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 6/8] arm64: dts: mediatek: cherry: Enable DSP, audio codec and sound card

All machines of the Cherry platform have a working DSP (integrated
into the MT8195 SoC), and audio support, some with a different audio
codec: specifically, some using Realtek's RT5682I and some RT5682S.

Write a configuration for all the audio bits to enable functionality.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../dts/mediatek/mt8195-cherry-tomato-r1.dts  |  10 ++
 .../dts/mediatek/mt8195-cherry-tomato-r2.dts  |  10 ++
 .../dts/mediatek/mt8195-cherry-tomato-r3.dts  |  10 ++
 .../boot/dts/mediatek/mt8195-cherry.dtsi      | 117 ++++++++++++++++++
 4 files changed, 147 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts
index 3348ba69ff6c..2d5e8f371b6d 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r1.dts
@@ -10,6 +10,16 @@ / {
 	compatible = "google,tomato-rev1", "google,tomato", "mediatek,mt8195";
 };
 
+&audio_codec {
+	compatible = "realtek,rt5682i";
+	realtek,btndet-delay = <16>;
+};
+
+&sound {
+	compatible = "mediatek,mt8195_mt6359_rt1019_rt5682";
+	model = "mt8195_r1019_5682";
+};
+
 &ts_10 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts
index 4669e9d917f8..2586c32ce6e6 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r2.dts
@@ -10,6 +10,11 @@ / {
 	compatible = "google,tomato-rev2", "google,tomato", "mediatek,mt8195";
 };
 
+&audio_codec {
+	compatible = "realtek,rt5682i";
+	realtek,btndet-delay = <16>;
+};
+
 &pio_default {
 	pins-low-power-hdmi-disable {
 		pinmux = <PINMUX_GPIO31__FUNC_GPIO31>,
@@ -30,6 +35,11 @@ pins-low-power-pcie0-disable {
 	};
 };
 
+&sound {
+	compatible = "mediatek,mt8195_mt6359_rt1019_rt5682";
+	model = "mt8195_r1019_5682";
+};
+
 &ts_10 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts
index 5021edd02f7c..f54f9477b99d 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry-tomato-r3.dts
@@ -11,6 +11,11 @@ / {
 		     "google,tomato", "mediatek,mt8195";
 };
 
+&audio_codec {
+	compatible = "realtek,rt5682s";
+	realtek,amic-delay-ms = <250>;
+};
+
 &pio_default {
 	pins-low-power-hdmi-disable {
 		pinmux = <PINMUX_GPIO31__FUNC_GPIO31>,
@@ -31,6 +36,11 @@ pins-low-power-pcie0-disable {
 	};
 };
 
+&sound {
+	compatible = "mediatek,mt8195_mt6359_rt1019_rt5682";
+	model = "m8195_r1019_5682s";
+};
+
 &ts_10 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index 58349d4c3c8b..ca9955a97f8f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -25,6 +25,12 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	dmic_codec: dmic-codec {
+		compatible = "dmic-codec";
+		num-channels = <2>;
+		wakeup-delay-ms = <50>;
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		reg = <0 0x40000000 0 0x80000000>;
@@ -116,9 +122,49 @@ scp_mem: memory@...00000 {
 			reg = <0 0x50000000 0 0x2900000>;
 			no-map;
 		};
+
+		adsp_mem: memory@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60000000 0 0xd80000>;
+			no-map;
+		};
+
+		afe_mem: memory@...80000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60d80000 0 0x100000>;
+			no-map;
+		};
+
+		adsp_device_mem: memory@...80000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60e80000 0 0x280000>;
+			no-map;
+		};
+	};
+
+	spk_amplifier: rt1019p {
+		compatible = "realtek,rt1019p";
+		label = "rt1019p";
+		pinctrl-names = "default";
+		pinctrl-0 = <&rt1019p_pins_default>;
+		sdb-gpios = <&pio 100 GPIO_ACTIVE_HIGH>;
 	};
 };
 
+&adsp {
+	status = "okay";
+
+	memory-region = <&adsp_device_mem>, <&adsp_mem>;
+};
+
+&afe {
+	status = "okay";
+
+	mediatek,etdm-in2-cowork-source = <2>;
+	mediatek,etdm-out2-cowork-source = <0>;
+	memory-region = <&afe_mem>;
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -152,6 +198,17 @@ &i2c2 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c2_pins>;
+
+	audio_codec: codec@1a {
+		/* Realtek RT5682i or RT5682s, sharing the same configuration */
+		reg = <0x1a>;
+		interrupts-extended = <&pio 89 IRQ_TYPE_EDGE_BOTH>;
+		realtek,jd-src = <1>;
+
+		AVDD-supply = <&mt6359_vio18_ldo_reg>;
+		MICVDD-supply = <&pp3300_z2>;
+		VBAT-supply = <&pp3300_z5>;
+	};
 };
 
 &i2c3 {
@@ -256,6 +313,11 @@ &mmc1 {
 	vqmmc-supply = <&mt_pmic_vmc_ldo_reg>;
 };
 
+&mt6359codec {
+	mediatek,dmic-mode = <1>;  /* one-wire */
+	mediatek,mic-type-0 = <2>; /* DMIC */
+};
+
 /* for CPU-L */
 &mt6359_vcore_buck_reg {
 	regulator-always-on;
@@ -463,6 +525,34 @@ &pio {
 		"AP_SPI_FLASH_MOSI",
 		"AP_SPI_FLASH_MISO";
 
+	aud_pins_default: audio-default-pins {
+		pins-cmd-dat {
+		    pinmux = <PINMUX_GPIO69__FUNC_AUD_CLK_MOSI>,
+			     <PINMUX_GPIO70__FUNC_AUD_SYNC_MOSI>,
+			     <PINMUX_GPIO71__FUNC_AUD_DAT_MOSI0>,
+			     <PINMUX_GPIO72__FUNC_AUD_DAT_MOSI1>,
+			     <PINMUX_GPIO73__FUNC_AUD_DAT_MISO0>,
+			     <PINMUX_GPIO74__FUNC_AUD_DAT_MISO1>,
+			     <PINMUX_GPIO75__FUNC_AUD_DAT_MISO2>,
+			     <PINMUX_GPIO0__FUNC_TDMIN_MCK>,
+			     <PINMUX_GPIO1__FUNC_TDMIN_DI>,
+			     <PINMUX_GPIO2__FUNC_TDMIN_LRCK>,
+			     <PINMUX_GPIO3__FUNC_TDMIN_BCK>,
+			     <PINMUX_GPIO60__FUNC_I2SO2_D0>,
+			     <PINMUX_GPIO49__FUNC_I2SIN_D0>,
+			     <PINMUX_GPIO50__FUNC_I2SO1_MCK>,
+			     <PINMUX_GPIO51__FUNC_I2SO1_BCK>,
+			     <PINMUX_GPIO52__FUNC_I2SO1_WS>,
+			     <PINMUX_GPIO53__FUNC_I2SO1_D0>;
+		};
+
+		pins-hp-jack-int-odl {
+			pinmux = <PINMUX_GPIO89__FUNC_GPIO89>;
+			input-enable;
+			bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+		};
+	};
+
 	cr50_int: cr50-irq-default-pins {
 		pins-gsc-ap-int-odl {
 			pinmux = <PINMUX_GPIO88__FUNC_GPIO88>;
@@ -707,6 +797,21 @@ pins-low-power-pupd {
 		};
 	};
 
+	rt1011_pins_default: rt1011-default-pins {
+		pins-spk {
+			pinmux = <PINMUX_GPIO94__FUNC_GPIO94>,
+				 <PINMUX_GPIO100__FUNC_GPIO100>;
+			output-high;
+		};
+	};
+
+	rt1019p_pins_default: rt1019p-default-pins {
+		pins-amp-sdb {
+			pinmux = <PINMUX_GPIO100__FUNC_GPIO100>;
+			output-low;
+		};
+	};
+
 	scp_pins: scp-default-pins {
 		pins-vreq {
 			pinmux = <PINMUX_GPIO76__FUNC_SCP_VREQ_VAO>;
@@ -779,6 +884,18 @@ cros-ec-rpmsg {
 	};
 };
 
+&sound {
+	status = "okay";
+
+	mediatek,adsp = <&adsp>;
+	mediatek,dai-link =
+		"DL10_FE", "DPTX_BE", "ETDM1_IN_BE", "ETDM2_IN_BE",
+		"ETDM1_OUT_BE", "ETDM2_OUT_BE","UL_SRC1_BE",
+		"AFE_SOF_DL2", "AFE_SOF_DL3", "AFE_SOF_UL4", "AFE_SOF_UL5";
+	pinctrl-names = "default";
+	pinctrl-0 = <&aud_pins_default>;
+};
+
 &spi0 {
 	status = "okay";
 
-- 
2.35.1

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