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authorHal Feng <hal.feng@starfivetech.com>2023-08-14 10:06:18 +0200
committerConor Dooley <conor.dooley@microchip.com>2023-09-13 15:32:02 +0200
commitbe326bee09374a2ebd18cb5af8fcd6f1e7825260 (patch)
treefa039d35aaedf813d05e1c72edb245da51ede1f0 /arch/riscv/boot/dts
parentriscv: dts: starfive: Add the nodes and pins of I2Srx/I2Stx0/I2Stx1 (diff)
downloadlinux-be326bee09374a2ebd18cb5af8fcd6f1e7825260.tar.xz
linux-be326bee09374a2ebd18cb5af8fcd6f1e7825260.zip
riscv: dts: starfive: Add JH7110 PWM-DAC support
Add PWM-DAC support for StarFive JH7110 SoC. Reviewed-by: Walker Chen <walker.chen@starfivetech.com> Signed-off-by: Hal Feng <hal.feng@starfivetech.com> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'arch/riscv/boot/dts')
-rw-r--r--arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi49
-rw-r--r--arch/riscv/boot/dts/starfive/jh7110.dtsi13
2 files changed, 62 insertions, 0 deletions
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 7179f1a31cf2..c4f389a9309b 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi
@@ -40,6 +40,33 @@
gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
priority = <224>;
};
+
+ pwmdac_codec: pwmdac-codec {
+ compatible = "linux,spdif-dit";
+ #sound-dai-cells = <0>;
+ };
+
+ sound-pwmdac {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "StarFive-PWMDAC-Sound-Card";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ simple-audio-card,dai-link@0 {
+ reg = <0>;
+ format = "left_j";
+ bitclock-master = <&sndcpu0>;
+ frame-master = <&sndcpu0>;
+
+ sndcpu0: cpu {
+ sound-dai = <&pwmdac>;
+ };
+
+ codec {
+ sound-dai = <&pwmdac_codec>;
+ };
+ };
+ };
};
&dvp_clk {
@@ -250,6 +277,12 @@
status = "okay";
};
+&pwmdac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwmdac_pins>;
+ status = "okay";
+};
+
&qspi {
#address-cells = <1>;
#size-cells = <0>;
@@ -460,6 +493,22 @@
};
};
+ pwmdac_pins: pwmdac-0 {
+ pwmdac-pins {
+ pinmux = <GPIOMUX(33, GPOUT_SYS_PWMDAC_LEFT,
+ GPOEN_ENABLE,
+ GPI_NONE)>,
+ <GPIOMUX(34, GPOUT_SYS_PWMDAC_RIGHT,
+ GPOEN_ENABLE,
+ GPI_NONE)>;
+ bias-disable;
+ drive-strength = <2>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ };
+
spi0_pins: spi0-0 {
mosi-pins {
pinmux = <GPIOMUX(52, GPOUT_SYS_SPI0_TXD,
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index 621b68c02ea8..9f31dec57c0d 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -536,6 +536,19 @@
status = "disabled";
};
+ pwmdac: pwmdac@100b0000 {
+ compatible = "starfive,jh7110-pwmdac";
+ reg = <0x0 0x100b0000 0x0 0x1000>;
+ clocks = <&syscrg JH7110_SYSCLK_PWMDAC_APB>,
+ <&syscrg JH7110_SYSCLK_PWMDAC_CORE>;
+ clock-names = "apb", "core";
+ resets = <&syscrg JH7110_SYSRST_PWMDAC_APB>;
+ dmas = <&dma 22>;
+ dma-names = "tx";
+ #sound-dai-cells = <0>;
+ status = "disabled";
+ };
+
usb0: usb@10100000 {
compatible = "starfive,jh7110-usb";
ranges = <0x0 0x0 0x10100000 0x100000>;