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From:   Walker Chen <walker.chen@starfivetech.com>
To:     Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
        "Rob Herring" <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor.dooley@microchip.com>,
        Emil Renner Berthing <emil.renner.berthing@canonical.com>,
        Walker Chen <walker.chen@starfivetech.com>
CC:     <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-riscv@lists.infradead.org>
Subject: [PATCH v1 3/3] riscv: dts: starfive: add tdm node and sound card
Date:   Wed, 29 Mar 2023 23:33:20 +0800
Message-ID: <20230329153320.31390-4-walker.chen@starfivetech.com>
In-Reply-To: <20230329153320.31390-1-walker.chen@starfivetech.com>
References: <20230329153320.31390-1-walker.chen@starfivetech.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Add the tdm controller node and sound card for the StarFive JH7110 SoC.

Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
---
 .../jh7110-starfive-visionfive-2.dtsi         | 87 +++++++++++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 34 ++++++++
 2 files changed, 121 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
index 1155b97b593d..35137c2edf5d 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -62,6 +62,10 @@
 	clock-frequency = <297000000>;
 };
 
+&wm8960_mclk {
+	clock-frequency = <24576000>;
+};
+
 &i2srx_bclk_ext {
 	clock-frequency = <12288000>;
 };
@@ -102,6 +106,14 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0_pins>;
 	status = "okay";
+
+	wm8960: codec@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		#sound-dai-cells = <0>;
+
+		wlf,shared-lrclk;
+	};
 };
 
 &i2c2 {
@@ -214,6 +226,40 @@
 			slew-rate = <0>;
 		};
 	};
+
+	tdm0_pins: tdm0-pins {
+		tdm0-pins-tx {
+			pinmux = <GPIOMUX(44, GPOUT_SYS_TDM_TXD,
+					      GPOEN_ENABLE,
+					      GPI_NONE)>;
+			bias-pull-up;
+			drive-strength = <2>;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+
+		tdm0-pins-rx {
+			pinmux = <GPIOMUX(61, GPOUT_HIGH,
+					      GPOEN_DISABLE,
+					      GPI_SYS_TDM_RXD)>;
+			input-enable;
+		};
+
+		tdm0-pins-sync {
+			pinmux = <GPIOMUX(63, GPOUT_HIGH,
+					      GPOEN_DISABLE,
+					      GPI_SYS_TDM_SYNC)>;
+			input-enable;
+		};
+
+		tdm0-pins-pcmclk {
+			pinmux = <GPIOMUX(38, GPOUT_HIGH,
+					      GPOEN_DISABLE,
+					      GPI_SYS_TDM_CLK)>;
+			input-enable;
+		};
+	};
 };
 
 &uart0 {
@@ -221,3 +267,44 @@
 	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };
+
+&tdm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&tdm0_pins>;
+	status = "okay";
+};
+
+&sound0 {
+	simple-audio-card,dai-link@0 {
+		reg = <0>;
+		status = "okay";
+		format = "dsp_a";
+		bitclock-master = <&dailink_master>;
+		frame-master = <&dailink_master>;
+
+		widgets =
+				"Microphone", "Mic Jack",
+				"Line", "Line In",
+				"Line", "Line Out",
+				"Speaker", "Speaker",
+				"Headphone", "Headphone Jack";
+		routing =
+				"Headphone Jack", "HP_L",
+				"Headphone Jack", "HP_R",
+				"Speaker", "SPK_LP",
+				"Speaker", "SPK_LN",
+				"LINPUT1", "Mic Jack",
+				"LINPUT3", "Mic Jack",
+				"RINPUT1", "Mic Jack",
+				"RINPUT2", "Mic Jack";
+		cpu {
+			sound-dai = <&tdm>;
+		};
+
+		dailink_master:codec {
+			sound-dai = <&wm8960>;
+			clocks = <&wm8960_mclk>;
+			clock-names = "mclk";
+		};
+	};
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index b503b6137743..a89158d1d7a6 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -210,6 +210,12 @@
 		#clock-cells = <0>;
 	};
 
+	wm8960_mclk: wm8960_mclk {
+		compatible = "fixed-clock";
+		clock-output-names = "wm8960_mclk";
+		#clock-cells = <0>;
+	};
+
 	i2srx_bclk_ext: i2srx-bclk-ext-clock {
 		compatible = "fixed-clock";
 		clock-output-names = "i2srx_bclk_ext";
@@ -375,6 +381,27 @@
 			status = "disabled";
 		};
 
+		tdm: tdm@10090000 {
+			compatible = "starfive,jh7110-tdm";
+			reg = <0x0 0x10090000 0x0 0x1000>;
+			clocks = <&syscrg JH7110_SYSCLK_TDM_AHB>,
+				 <&syscrg JH7110_SYSCLK_TDM_APB>,
+				 <&syscrg JH7110_SYSCLK_TDM_INTERNAL>,
+				 <&syscrg JH7110_SYSCLK_TDM_TDM>,
+				 <&syscrg JH7110_SYSCLK_MCLK_INNER>,
+				 <&tdm_ext>;
+			clock-names = "tdm_ahb", "tdm_apb",
+				      "tdm_internal", "tdm",
+				      "mclk_inner", "tdm_ext";
+			resets = <&syscrg JH7110_SYSRST_TDM_AHB>,
+				 <&syscrg JH7110_SYSRST_TDM_APB>,
+				 <&syscrg JH7110_SYSRST_TDM_CORE>;
+			dmas = <&dma 20>, <&dma 21>;
+			dma-names = "rx","tx";
+			#sound-dai-cells = <0>;
+			status = "disabled";
+		};
+
 		stgcrg: clock-controller@10230000 {
 			compatible = "starfive,jh7110-stgcrg";
 			reg = <0x0 0x10230000 0x0 0x10000>;
@@ -601,5 +628,12 @@
 			#reset-cells = <1>;
 			power-domains = <&pwrc JH7110_PD_VOUT>;
 		};
+
+		sound0: snd-card0 {
+			compatible = "simple-audio-card";
+			simple-audio-card,name = "Starfive-TDM-Sound-Card";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
 	};
 };
-- 
2.17.1