linux-kernel - [PATCHv2 6/6] ARM: dts: omap4-droid4: add soundcard

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Message-Id: <20170712151846.24621-7-sebastian.reichel@collabora.co.uk>
Date:   Wed, 12 Jul 2017 17:18:46 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Tony Lindgren <tony@...mide.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-omap@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCHv2 6/6] ARM: dts: omap4-droid4: add soundcard

Add sound support to Motorola Droid 4 using simple-soundcard
and CPCAP's audio codec. This does not yet correctly represent
the whole audio routing, since McBSP3 is also connected to
Bluetooth and MDM6600 modem (and probably also 4G modem).
These extra DAI links are not yet supported and have not been
tested.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
---
 arch/arm/boot/dts/omap4-droid4-xt894.dts | 84 ++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)

diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
index 10ca1c174995..a182f9fb1c7a 100644
--- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
+++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
@@ -116,6 +116,26 @@
 
 		};
 	};
+
+	soundcard {
+		compatible = "audio-graph-card";
+		label = "Droid 4 Audio";
+
+		simple-graph-card,widgets =
+			"Speaker", "Earpiece",
+			"Speaker", "Loudspeaker",
+			"Headphone", "Headphone Jack",
+			"Microphone", "Internal Mic";
+
+		simple-graph-card,routing =
+			"Earpiece", "EP",
+			"Loudspeaker", "SPKR",
+			"Headphone Jack", "HSL",
+			"Headphone Jack", "HSR",
+			"MICR", "Internal Mic";
+
+		dais = <&mcbsp2_port>, <&mcbsp3_port>;
+	};
 };
 
 &dss {
@@ -479,6 +499,24 @@
 		OMAP4_IOPAD(0x112, PIN_OUTPUT_PULLUP | MUX_MODE5)	/* uart4_rts */
 		>;
 	};
+
+	mcbsp2_pins: pinmux_mcbsp2_pins {
+		pinctrl-single,pins = <
+		OMAP4_IOPAD(0x0f6, PIN_INPUT | MUX_MODE0)	/* abe_mcbsp2_clkx */
+		OMAP4_IOPAD(0x0f8, PIN_INPUT | MUX_MODE0)	/* abe_mcbsp2_dr */
+		OMAP4_IOPAD(0x0fa, PIN_OUTPUT | MUX_MODE0)	/* abe_mcbsp2_dx */
+		OMAP4_IOPAD(0x0fc, PIN_INPUT | MUX_MODE0)	/* abe_mcbsp2_fsx */
+		>;
+	};
+
+	mcbsp3_pins: pinmux_mcbsp3_pins {
+		pinctrl-single,pins = <
+		OMAP4_IOPAD(0x106, PIN_INPUT | MUX_MODE1)	/* abe_mcbsp3_dr */
+		OMAP4_IOPAD(0x108, PIN_OUTPUT | MUX_MODE1)	/* abe_mcbsp3_dx */
+		OMAP4_IOPAD(0x10a, PIN_INPUT | MUX_MODE1)	/* abe_mcbsp3_clkx */
+		OMAP4_IOPAD(0x10c, PIN_INPUT | MUX_MODE1)	/* abe_mcbsp3_fsx */
+		>;
+	};
 };
 
 &omap4_pmx_wkup {
@@ -552,3 +590,49 @@
 				  "0", "0", "1";
 	};
 };
+
+&mcbsp2 {
+	#sound-dai-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcbsp2_pins>;
+	status = "okay";
+
+	mcbsp2_port: port {
+		cpu_dai2: endpoint {
+			dai-format = "i2s";
+			remote-endpoint = <&cpcap_audio_codec0>;
+			frame-master = <&cpcap_audio_codec0>;
+			bitclock-master = <&cpcap_audio_codec0>;
+		};
+	};
+};
+
+&mcbsp3 {
+	#sound-dai-cells = <0>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcbsp3_pins>;
+	status = "okay";
+
+	mcbsp3_port: port {
+		cpu_dai3: endpoint {
+			dai-format = "dsp_a";
+			frame-master = <&cpcap_audio_codec1>;
+			bitclock-master = <&cpcap_audio_codec1>;
+			remote-endpoint = <&cpcap_audio_codec1>;
+		};
+	};
+};
+
+&cpcap_audio {
+	port@0 {
+		cpcap_audio_codec0: endpoint {
+			remote-endpoint = <&cpu_dai2>;
+		};
+	};
+
+	port@1 {
+		cpcap_audio_codec1: endpoint {
+			remote-endpoint = <&cpu_dai3>;
+		};
+	};
+};
-- 
2.13.2