[PATCH v1 3/3] riscv: dts: starfive: add tdm node and sound card

From: Walker Chen
Date: Wed Mar 29 2023 - 11:34:24 EST


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

Signed-off-by: Walker Chen <walker.chen@xxxxxxxxxxxxxxxx>
---
.../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