[PATCH v3 3/3] riscv: dts: starfive: add tdm node and sound card

[Walker Chen <walker.chen@starfivetech.com>]

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

Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
---
 arch/riscv/boot/dts/starfive/Makefile         |  3 +
 .../jh7110-starfive-visionfive-2-wm8960.dtso  | 70 +++++++++++++++++++
 .../jh7110-starfive-visionfive-2.dtsi         | 40 +++++++++++
 arch/riscv/boot/dts/starfive/jh7110.dtsi      | 21 ++++++
 4 files changed, 134 insertions(+)
 create mode 100644 arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-wm8960.dtso

diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
index 170956846d49..644cc29b5be3 100644
--- a/arch/riscv/boot/dts/starfive/Makefile
+++ b/arch/riscv/boot/dts/starfive/Makefile
@@ -4,3 +4,6 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7100-starfive-visionfive-v1.dtb
 
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
+
+jh7110-starfive-visionfive-2-wm8960-dtbs := jh7110-starfive-visionfive-2-v1.3b.dtb jh7110-starfive-visionfive-2-wm8960.dtbo
+dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-wm8960.dtb
diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-wm8960.dtso b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-wm8960.dtso
new file mode 100644
index 000000000000..67897f000883
--- /dev/null
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2-wm8960.dtso
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ * Author: Walker Chen <walker.chen@starfivetech.com>
+ *
+ * Requires ReSpeaker 2-Mics Pi HAT plugged in 40-pin GPIO header.
+ */
+
+/dts-v1/;
+/plugin/;
+
+&{/} {
+	compatible = "starfive,visionfive-2-v1.3b", "starfive,jh7110";
+
+	wm8960_mclk: wm8960-mclk {
+		compatible = "fixed-clock";
+		clock-output-names = "wm8960_mclk";
+		#clock-cells = <0>;
+		clock-frequency = <24576000>;
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		simple-audio-card,name = "Starfive-TDM-Sound-Card";
+		simple-audio-card,widgets = "Microphone", "Mic Jack",
+					    "Line", "Line In",
+					    "Line", "Line Out",
+					    "Speaker", "Speaker",
+					    "Headphone", "Headphone Jack";
+		simple-audio-card,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";
+
+		simple-audio-card,dai-link@0 {
+			reg = <0>;
+			format = "dsp_a";
+			bitclock-master = <&dailink_master>;
+			frame-master = <&dailink_master>;
+
+			cpu {
+				sound-dai = <&tdm>;
+			};
+			dailink_master: codec {
+				sound-dai = <&wm8960>;
+				clocks = <&wm8960_mclk>;
+			};
+		};
+	};
+};
+
+&i2c0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	wm8960: codec@1a {
+		compatible = "wlf,wm8960";
+		reg = <0x1a>;
+		wlf,shared-lrclk;
+		#sound-dai-cells = <0>;
+	};
+};
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..19b5954ee72d 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -214,6 +214,40 @@
 			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 +255,9 @@
 	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
 };
+
+&tdm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&tdm0_pins>;
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 866313570a7e..cfda6fb0d91b 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -366,6 +366,27 @@
 			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>;
-- 
2.17.1